Find the solutions to the equation below.
Check all that apply.
2x² +9x+4=0
A. x = -4
B. X= 4
C. X=-3
D. X= 7
0 E. x= -1/2
F. X=2
SUBMIT

Answers

Answer 1

Answer-

-1/2, -4

Step-by-step explanation:

A, E

Did the math to find the solution earlier, got right xoxo :)

Answer 2
2x^2 + 9x + 4 = 0
Factor:
(2x + 1) (x + 4) = 0
Find x:
(2x + 1)
2x + 1 = 0
2x = -1
x = -1/2
(x + 4)
x + 4 = 0
x = -4
X = -1/2, -4

Related Questions

if there are 22 successful outcomes in a sample with a size of 50, what is the sample proportion?

Answers

22 out of 50

Explication…

Please help soon! I have a trig question...

Answers

The value of x will be 33 units approximately. Thus, option A is correct.

What are trigonometric identities?

Trigonometric identities are the functions that include trigonometric functions such as sine, cosine, tangents, secant, and, cot.

We need to find the value of x

so first

Tan 60 = Perpendicular / 11√6

Perpendicular = 1.732 (11√6)

Perpendicular = 46.66

Then,

Sin 45 = Perpendicular / x

Sin 45 = 46.66/ x

x = 33.00

So, the value of x will be 33 units approximately.

Thus, option A is correct.

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A pencil cost $1.20 and a pen cost $2.90. Jasmiah bought an equal number of such pencils and pens. She spent $32.30 more on the pens than on the pencils. How many pencils and pens did she buy altogether?

Answers

Answer:

38

Step-by-step explanation:

Let x be the number of pencils bought.

Let y be the number of pens bought.

Given information from the question:

x = y - equation 1

2.9y - 1.2x = 32.30 - equation 2

From here we can use the substitution method in solving simultaneous equations to find x and y. We will substitute equation 1 into equation 2.

2.9y - 1.2y = 32.30

1.7y = 32.30

y = [tex]\frac{32.3}{1.7} \\= 19[/tex]

Now since we know number of pens = number of pencils,

x = 19

Total Pencils and Pens bought = x + y = 19 + 19 = 38

Answer:

19

Step-by-step explanation:

hope it helps.good day.

136mm into cm and mm​

Answers

Step-by-step explanation:

13.6 is the answer because 1cm is 10 cm

Answer:

13.6 cm

Is the second requested unit mm?  The value is already in mm.

Step-by-step explanation:

Use conversion factors for the metric system.

By definition:  1cm = 10mm

We can write this as a conversion factor.  Either:

 1)  1cm/10mm, or

 2) 10mm/1cm

We are given 136 mm.  Convert that by using either conversion factor.

(136mm)*(1cm/10mm) = 13.6 cm  Note how the mm unit cancels.

To use the other conversion factor, do a division:

(136mm)/(10mm/1cm) = 13.6 cm

====

136 mm is already 136 mm.  

Please help!!!!! I’ve been stuck for like hours

Answers

[tex]10^2 + b^2=15^2\\\\100+b^2=225\\\\b^2=125\\\\b =\sqrt{125}\\\\b \approx \boxed{11.2}[/tex]

2. Given the equation of a line, y = 1/5x, the slope is:

Answers

Answer:

1/5

Step-by-step explanation:

The slope-intercept form looks like [tex]y=mx+b[/tex] where b is the y-intercept and m is the slope. m is the slope because if you increase x by 1, the value y increases by m, and if you increase x by 1 again, the y-value will increase by the value of m, because it's being multiplied. b is the y-intercept since the y-intercept is when x=0 so mx will become m(0) which is just 0 leaving b by it self. In this case you have y=1/5x so if you were to start with 0 as x the value of y is 0. Now increase it by 1 so x becomes 1, the value of y becomes 1/5x, now increase it by 1 again so x becomes 2, the value of y is 2/5x, so as you can see the function is just increasing by 1/5 so that's the slope, so essentially whatever the coefficient of x is (the number in front of the variable x), is the slope

-------------------------------------------------------------------------------------------------------------

Answer:  [tex]\textsf{Slope = 1/5}[/tex]

-------------------------------------------------------------------------------------------------------------

Given:  [tex]\textsf{y = 1/5x}[/tex]

Find: [tex]\textsf{The slope of the line}[/tex]

Solution:  In order to determine the slope of the line we need to see how the slope-intercept form compares to this expressions.  The slope-intercept form is y = mx + b where m is the slope and b is the y-intercept.  In this case we have no y-intercept therefore we do not have a b. However, our slope is equal to 1/5 as it fits perfectly with the form that was provided.

What is f(-3) for the
function f(a)=-2a?-5a+4?

Answers

Answer:

13

Step-by-step explanation:

f(-3)=2(-3)-5(-3)+4. = -6+15+4= 13. f(a)=13

Maya invests $3,000 into a brokerage account
which earns 10% per year. In 15 years, how
much will Maya's investment be worth if
interest is compounded monthly? Round to the
nearest dollar.

Answers

Answer: $13361.76

Step-by-step explanation:

Amount = initial balance(1 + annual rate/periods per year)^(periods per year*years)

A = 3000(1+0.1/12)^12*15

A = 3000(1.0083)^180

A = 3000(4.4275)

A = 13361.76

Hope this helps!

Solve for p and k. For 50 POINTS!!

Answers

Answer:

P = 55°

K = 27°

Step-by-step explanation:

55° + 98° + c = 180°

153° + c = 180°

c = 27°

since C is opposite K, K = 27°

Since 55° is opposite P, P = 55°

We can check this by adding up the values of P, K, and 98

27°+55°+98° = 180°

Which of the following is the equation for the graph shown

Answers

Answer:

I don't see a list of equations.  See the attached image for an equation that works well.

Step-by-step explanation:

At a certain fast-food restaurant, 56% of customers order a chicken sandwich, 43% of customers order french fries, and 30% of customers order both a chicken sandwich and french fries. What is the probability that a randomly selected customer will order a chicken sandwich or french fries (or both items)?

Answers

The probability that a randomly selected customer will order a chicken sandwich or french fries is 36%

How to determine the probability?

The given parameters are:

P(Chicken) = 56%

P(Sandwich) = 43%

P(Both) = 30%

The required probability is:

P = P(Chicken) + P(Sandwich) - P(Both)

This gives

P = 56% + 43% - 30%

Evaluate

P = 36%

Hence, the probability that a randomly selected customer will order a chicken sandwich or french fries is 36%

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A(N) _______________ questions require respondents to select one or more response options from a set of predetermined choices. Group of answer choices

Answers

Closed-end

You can answer "yes" or "no" to the completed question. Or, the number of answers is limited (eg A, B, C, or all of the above). Closed-end questions are often suitable for voting, as response rates are high when users don't have to type too much.

Closed-end questions are defined as question types that require respondents to choose from a specific set of predefined answers. B. Between "yes/no" or fixed multiple-choice questions. In a typical scenario, closed-end questions are used to collect quantitative data from respondents.

An indefinite definition represents a situation or question with a predetermined number of results. An example of a closed ending is the question "Do you need help?" This usually has only four answers-yes, no, maybe, or not.

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Someone please help me out

Answers

Answer:

A. y<-1/5x+1

Step-by-step explanation:

First, find the slope of the line

delta y / delta x = slope (delta means "change in", so delta y would the the change in y)

the change in y is 1, and the change in x is -5, so the slope is -1/5

we now know that the equation of the line is
y=-1/5x+1

The answer can't be c or d, because the line is dotted and not solid (solid lines signify ≥ or ≤, and dotted > and <)
To test if it is > or <, we can plug in some numbers to see if the equation is true

Right now, we have:


y[?]-1/5x+1, where "[?]" is either > or <


we see that the point 0,0 is a solution, since it is in the shaded region of the graph, because of this, we know that if we plug x=0 and y=0 into the equation, it must be true

plug in:

0[?]-(1/5)*0+1

0[?]1

clearly, [?] should be <, as 0<1
so, now that we know [?], we can replace it in our equation

y<-1/5x+1 , or "A"

Given: S is the midpoint of QR, QR¯⊥PS¯ and ∠RSP and ∠QSP are right angles.

Prove: PR≅PQ

Answers

ΔRSP ≅ ΔQSP by SAS. Therefore, PR ≅ PQ by CPCTC theorem.

What is the CPCTC Theorem?

If two triangles are congruent, the CPCTC theorem states that all corresponding parts of the two triangles would also be congruent to each other.

Since S is the midpoint of QR, therefore, RS ≅ QS (one pair of congruent sides)

∠RSP ≅ ∠QSP [right angles] (one pair of congruent included angles)

SP ≅ SP based on the reflexive property (one pair of congruent sides)

Therefore, ΔRSP ≅ ΔQSP by SAS.

Conclusively, PR ≅ PQ by CPCTC theorem.

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Write a piecewise-defined step function f(x) that has the following characteristics:
f(x) has more than one x intercept.
The domain of f(x) is the real numbers.
The range of f(x) consists of four unique integers.

Answers

Here use general math mind

F(x) has more than one x inetercept .

We shall take one quadratic function in which will give 2 intercepts(Real)

Domain is for real numbers

Four unique numbers?

Add 4 constants for 4 unique definations and that shouldn't fall under quadratic region

Lets see

[tex]\sf f(x)=\begin{cases}\sf (x+2)²,x\neq \left\{0,-1,1,2,3\right\}\\ \sf 0,x=0\\ \sf 1,x=-1\\ \sf 9,x=1\\ \sf 16,x=4\\ \sf 25,x=5\end{cases}[/tex]

Has 2 x intercepts

For -2

y=(0)²=0(-2,0)

For 0 it's (0,0)

And for extra ,it's discontinuous on x=0

A number is chosen at random from 1 to 25. Find the probability of selecting an even number or multiple of 13

Answers

Probability helps us to know the chances of an event occurring. The probability of selecting an even number or multiple of 13 is 13/25.

What is Probability?

Probability helps us to know the chances of an event occurring.

[tex]\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}[/tex]

Number of even numbers between 1 to 25 = 22

Number of multiple of 13 between 1 to 25 = 1

The probability of selecting an even number or multiple of 13 is,

Probability = (12+1)/25 = 13/25


Hence, The probability of selecting an even number or multiple of 13 is 13/25.

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Please assist me with this question

Answers

Answer:

? = 45

Step-by-step explanation:

the inner and outer triangles are similar ( AA postulate )

Then the ratios of corresponding sides are in proportion, that is

[tex]\frac{56}{56+24}[/tex] = [tex]\frac{105}{105+?}[/tex]  , that is

[tex]\frac{56}{80}[/tex] = [tex]\frac{105}{105+?}[/tex] ( divide numerator/denominator by 8 to simplify left side )

[tex]\frac{7}{10}[/tex] = [tex]\frac{105}{105+?}[/tex] ( cross- multiply )

7(105 + ? )  = 1050 ← distribute parenthesis on left side

735 + 7? = 1050 ( subtract 735 from both sides )

7? = 315 ( divide both sides by 7 )

? = 45

Hey, guys help me answer!

Answers

Hello and Good Morning/Afternoon

Let's take this problem step by step.

        [tex]5=\frac{1}{3}(5x-15)\\ 5=\frac{5}{3}x-5\\ 5+5= \frac{5}{3}x-5 +5\\10=\frac{5}{3}x\\ 10 * 3 = 3* \frac{5}{3}x\\30=5x\\\frac{30}{5} =\frac{5}{5}x\\ 6=x\\x=6[/tex]

What did we do in this problem

we ensured that both sides remained equally balanced in valuetook everything step-by-step to make sure that there were no mistakesto check it, we can plug it back into the original equation to see if it works

                  [tex]5=\frac{1}{3}(5(6)-15)\\ 5=\frac{1}{3} (30-15)\\5=\frac{1}{3}*15\\ 5=5 \checkmark\\[/tex]

Answer: x = 6

Hope that helps!

#LearnwithBrainly

Solution :-

⇒ 5 = 1/3 (5x - 15)

⇒ 5 × 3 = 1 (5x - 15)

⇒ 15 = 1 (5x - 15)

⇒ 15 = 1 × (5x - 15)

⇒ 15 = 5x - 15

⇒ 5x = 15 + 15

⇒ 5x = 30

⇒ x = 30 / 5

⇒ x = 6

Would mean a lot if you could help me out don’t answer it if you don’t know the answer

Answers

Answer: x = 15

Step-by-step explanation:

Hi!

These are supplementary angles, which means they both add up to 180°

Therefore,

9x+10 + 1x + 20 = 180

to solve, combine like terms

10x + 30 = 180

Then subtract 30 from both sides

10x = 150

now divide 10 from both sides leaving x by itself

x = 15

Hope this helps and have a nice day!

Answer: x = 15

Step-by-step explanation:

Hi!

These are supplementary angles, which means they both add up to 180°

Therefore,

9x+10 + 1x + 20 = 180

to solve, combine like terms

10x + 30 = 180

Then subtract 30 from both sides

10x = 150

now divide 10 from both sides leaving x by itself

x = 15

Hope this helps and have a nice day!

Points S, U, and T are the midpoints of the sides of TrianglePQR.

Triangle S U T is inside of triangle P Q R. Points S, U, and T are the midpoints of triangle P Q R.

Which statements are correct? Check all that apply.
One-halfQP = UT
One-halfTS = RQ
SU = PR
SU ∥ RP
UT ⊥ RP

Answers

Option A and D. The statements that are correct here are

1/2 QP = UTSU ║ RP

How to arrive at the statements about the midpoints

If the two points UT and QP are parallel, then UT is going to be the half of QP. This would be due to a scale factor of 1/2.

Then at a midpoint T is that of PR. SU is parallel to RP. SU is half of RP due to as scale factor of 1/2.

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Answer: A and D E2020

Step-by-step explanation:

E2020 geometry B!! :)

Jorge worked 6 hours of overtime this week but has decided to take time off instead of overtime pay. How many hours will Jorge receive in time off from work

Answers

Jorge will receive 9 hours in time off from work.

How many hours will Jorge get to take time off?

It is given that, Jorge has done overtime for 6 hours in this week. As per the Fair Labor Standards Act, for 6 hours of overtime work, he must be paid one and a half times the pay he gets per hour.

Instead of receiving an overtime pay for working 6 hours extra, Jorge decides to receive paid leaves from work, that is, he will get one and a half of the total hours for which he worked overtime.

As a result, the time off he receives from work = [tex]1\frac{1}{2} (6)[/tex] hours

[tex]=\frac{3}{2}(6) = 9 hours[/tex]

Thus, Jorge gets 9 hours in time off from work in return. The time that he earns for the overtime is equivalent to the pay he was supposed to receive for the overtime work.

What is Fair Labor Standards Act?

The Fair Labor Standards Act (FLSA) specifies standards for minimum wage, over-time compensation, recordkeeping, and youth employment that are applicable to workers in the private sector and in federal, state, and municipal governments.

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solve x^3 = 13. use a radical sign in your answer

Answers

⊱________________________________________________________⊰

Answer:

x=∛13

Step-by-step explanation:

Take the cube root of both sides. That way, you'll get rid of the ³ next to x and leave x by itself

[tex]\large\boldsymbol{\rm{x=\sqrt[3]{13} }}[/tex]

done !!

⊰________________________________________________________⊱

Cαlligrαρɦγ

What is the solution of
2x + 7 ≥ or 8 - x/3 ≤ 5

Answers

Answer: Second option from the top

Step-by-step explanation:

   First, we will simplify the given inequalities.

2x + 7 ≥ 1

2x ≥ -6

   x ≥ -3

-

8 - [tex]\frac{x}{3}[/tex] ≤ 5

- [tex]\frac{x}{3}[/tex] ≤ 5

- [tex]\frac{x}{3}[/tex] ≤ -3

   x ≥ 9

   Now, we will graph them. See attached.

Find the area of a right triangle with hypotenuse 15 in. and altitude 12 in. (to the hypotenuse).

Answers

The area of a right-angle triangle is half the product of the base of the triangle and the height of the triangle. The area of the triangle is 90 units².

What is the area of a right-angle Triangle?

The area of a right-angle triangle is half the product of the base of the triangle and the height of the triangle.

[tex]\rm{ Area \triangle = \dfrac{1}{2} \times base \times height\\[/tex]

For the given triangle if the hypotenuse is assumed as the base, and the altitude is assumed as the height of the triangle, then the area of the triangle will be,

Area of the triangle = 0.5 × 15 units × 12units

                                 = 90 units²

Hence, the area of the triangle is 90 units².

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32 less than 3/7 of a number is 11/35 of that number. Find the number.

Answers

Answer is x=280
Step by step
We know 32 less than is subtraction -32
We know 3/7 of a number is 3/7x
We know “is” is equal =
We know 11/35 of a number is 11/35x
So
3/7x - 32= 11/35x

Now solve by first by combining like terms
Change the denominator of 3/7 to match the other fraction so we can combine. 7x5=35 so we do the same to the numerator, 3x5.
3. 15
____. _____
7. 35

3/7x -32 = 11/35x
15/35x - 32 = 11/35x
Subtract 15/35x from both sides to combine like terms
-32 = -4/35x
Now divide both sides by -4/35 to solve for x
To divide a fraction flip it and multiply
( -35/4 )(-32)
X= 280

You can check your work by substituting your number for x into your equation

3/7 (280) -32 = 11/35 (280)
120 - 32 = 88
88 = 88

Answer:

Step-by-step explanation:

Let "a number" be x.

"3/7 of a number" means (3/7)x

"32 less" means - 32

Thus, "32 less than 3/7 of a number" means (3/7)x -32

"is 11/35 of that number" means = (11/35)x

Put these together and we get:

(3/7)x -32 = (11/35)x

(3/7)x - (11/35)x = 32   Rearrang to get the x on one side

We need to change "(3/7)x - (11/35)" so that the two terms have a common denominator.

If we multiply the first term by (5/5) [which is equal to 1], we get:  

(5/5)(3/7)x or

(15/35)x

We can now write:

(15/35)x - (11/35)x = 32

(4/35)x = 32

Multiply both sides by (35/4)

(35/4)(4/35)x = (35/4)(32)

x = (35)(8)

x = 280

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1
What are some steps you can take to protect yourself from predatory lenders?

Answers

Answer:

How To Protect Against Predatory Lending

1) Consider alternatives to borrowing

2) Borrow federal first

3) Check your credit before applying for private loans

4) Shop around when looking for a loan

Explanation:

Definition: "Imposing unfair and abusive loan terms on borrowers." - FDIC

What is the following product? sqrt10 x sqrt10

Answers

The product of the mathematical expression √10 · √10 is 10 option first 10 is correct.

What is an arithmetic operation?

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

We have given a mathematical expression:

= √10 · √10

As we know,

√a² = a

or

√a×√a = a

By applying the above rule:

= √10×√10

= √10²

= 10

Thus, the product of the mathematical expression √10 · √10 is 10 option first 10 is correct.

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A couple quick algebra 1 questions for 50 points!


Only answer if you know the answer to all of them, Tysm!

Answers

C) NoD)If we draw a vertical line, it intersects the graph at more than one point. So we can say that the image is not a function since it does not pass the vertical line test.E) NoF)We observe that 2 points having the same x value (-10) admit different y values,which suggests that one x value yields more than y value. So we can say the set of points do not represent a function.

#1

No

#2

We can see f(1) has 3 values so it's not a function as it's failed in vertical line test

#3

f(10) has two values -2 and 11

So not a function

#4

As per definition of function

every domain has an unique range

So it's not a function

An inverse variation function has a k value of 8. Which ordered pair is on the graph of the function?

Answers

The points on the graph of the inverse variation are of the form:

(x, 8/x)

Which ordered pairs are on the graph of the function?

An inverse variation function is written as:

y = k/x.

Here we know that k = 8.

y = 8/x

Then the points (x, y) on the graph of the function are of the form:

(x, 8/x).

So evaluating in different values of x, we can get different points on the graph:

if x = 1, the point is (1, 8)if x = 2, the point is (2, 4)if x = 3, the point is (3, 8/3)if x = 4, the point is (4, 2)

And so on.

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PLEASE HELPPP ASAPP
I WILL MAKE YOU BRAINLIEST

Answers

The transformation that's illustrated in the diagram is translation.

What is transformation?

It should be noted that transformation simply means the manipulation of that moves a shape from a space to another.

In this case, the transformation that's illustrated in the diagram is translation. This is the sliding of try shape across certain number of spaces.

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What mass of glucose (C6H12O6) can be produced from a photosynthesis reaction that occurs using 10moles of CO?6CO (g) + 6HO (1) C6H12O6 (aq) + 602 (g)A 10 gramsB. 180 gramsC. 300 gramsD. 1,080 grams9. During photosynthesis, how many moles of water (HO) are needed to produce 150 grams of glucose(C6H12O6)?A. 2 molesB. 3 molesC. 4 molesD. 5 moles10. During photosynthesis, how many grams of oxygen gas (0) are produced from 55 grams of carbondioxide gas (CO)?A. 32 grams 0B. 40 grams 0C. 44 grams 0D. 55 grams O Chief Complaint: HemoptysisHistory of Present Illness: The patient has been brought to the emergency department by hermother. She is a 22-year-old female with cystic fibrosis. She has had a1-day history of hemoptysis. She has been feeling tired for5 days. Her mother says that the patient has had mild dyspnea andcough. The patients last PFTs were much worse than normal for her.She has not had any epistaxis, bleeding from her gums, bloody stool, oreasy bruising.Past Medical History: Cystic fibrosis; bronchiectasis.Medications: Inhaled antibiotic (tobramycin); mucolytic agent (pulmozyme); vitamins ADEK; bronchodilator (albuterol).Allergies: NKDA.Social: She is a nonsmoker. She is a sophomore in college and lives with herparents.Surgical History: None.Physical Exam: RR: 30; HR: 92; Temp: 102.1F; BP: 90/57; Pulse ox: 89%Gen: Mildly cyanotic. In mild respiratory distress. Her nose and mouth are a little dry.HEENT: Her ear drums and ear canals are normal.CV: Mildly tachycardic. No murmur. Her pulses are a little weak.Resp: Tachypneic, shallow breaths, breath sounds are weaker than normalbilaterally.GI: Normal. Her liver and spleen are not large.Emergency Department Course: When she came to the ED, the patient was in acute respiratory distress. She was intubated with an endotracheal tube and placed onSIMV. A CXR verified correct placement in her trachea. She had poorcirculation, so she was given IVF and transfused with 2 units of blood(prbcs). An ABG showed hypoxemia and hypercapnia, both of whichimproved on follow-up ABG after she was intubated. The pulmonologyteam was contacted; the team decided bronchoscopy would be best.The team found that she was bleeding in her bronchi and treated herwith endobronchial electrocautery. Afterward, she was transferred tothe ICU for further care. in your own words , what is drecrete math When aqueous solutions of sodium phosphate and lead(II) nitrate are combined, solid lead(II) phosphate and a solution of sodium nitrate are formed. The net ionic equation for this reaction is: Write 10x10x10x10x10x10 with an exponent explain how you decided what exponent to write A tourist buys a nepali flag at a discount of 15% but pays10% VAT,if she pays rs170 for VAT.calculate the discount amount which artist, who is best kown for expanding the traditional limtations of artisic media created video flag