Answer:
p = (3b + 7)/2
General Formulas and Concepts:
Pre-Algebra
Equality PropertiesStep-by-step explanation:
Step 1: Define equation
3b = 2p - 7
Step 2: Solve for p
Add 7 to both sides: 3b + 7 = 2pDivide 2 on both sides: (3b + 7)/2 = pRewrite: p = (3b + 7)/2And we have our final answer!
Step-by-step explanation:
3b = 2p - 7
make p stand alone
3b + 7 = 2p
dividing both sides by 2
p = (3b + 7)/2
Find (x−2)(4x+2) using the table of products. Write your answer in standard form.
Answer:
x = {0.449489743, -4.449489743} thats what i got
The product of the two expressions (x - 2)(x + 2) gives x² - 4
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given the expression (x - 2)(x + 2):
Multiplying the two expressions gives:
x² + 2x - 2x - 4
This gives:
x² - 4
The product of the two expressions (x - 2)(x + 2) gives x² - 4
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John claims the following two expressions are equivalent.
- 215y - 3) = - 10y - 6
John's work in determining an expression equivalent to the first expression is shown below.
- 2/5y - 3)
= (-2x5y) - (-2x - 3)
= - 10y-6
Which statement explains why John's claim is incorrect?
He should have subtracted (-2 * 3) resulting in the expression–10y + 6.
He should have only multiplied 3 by -2 resulting in the expression 5y - 6.
He should have only multiplied Sy by -2 resulting in the expression-10y - 3.
He should have only multiplied 3 by -2 and subtracted (-2 * 3) resulting in the expression 5y + 6.
А.
В.
С.
D
Answer:
the answer is B. He should have only multiplied 3 by –2 resulting in the expression 5y – 6.
Step-by-step explanation:
In the given expressions, the reason for John's claim being incorrect would be:
B). He should have only multiplied 3 by –2 resulting in the expression 5y – 6.
Given,
The two expressions i.e. [tex](-215y - 3) = - 10y - 6[/tex]The mistake that John makes is that he multiplies the entire equation by -2 as shown in [tex]= (-2x5y) - (-2x - 3)[/tex] which makes it incorrect.In order to rectify this mistake, only 3 was suppossed to be multiplied by -2 so that the outcome comes out as [tex]5y - 6[/tex].Thus, option B is the correct answer.
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it’s due in 5 mins pleases helppppp!!!
Answer:
I don't understand what to do
The cost y (in dollars) to spend an evening bowling is proportional to the
number of games x that are bowled.
It costs $16 to bowl 4 games.
5. Write an equation that represents the situation.
6. How much does it cost in dollars) to bowl 6 games?
Answer:
y = 4x
Bowl 6 games cost $24
Step-by-step explanation:
Proportional Relationship
We have a situation where the cost y in dollars to spend an evening bowling is proportional to the number of games x bowled.
A proportional relationship is written with the equation:
y = k.x
The value of k will be determined by using the given information: 4 games bowled cost $16, thus:
16 = k.(4) = 4k
Solving:
k = 16 / 4 =4
Thus, the function is:
y = 4x
x=6 games bowled cost:
y = 4*6
y = $24
Bowl 6 games cost $24
Solve.
7( x+3 ) < 5x + 13
Answer:
[tex]\boxed {x < -4}[/tex]
Step-by-step explanation:
Solve the following inequality:
[tex]7(x + 3) < 5x + 13[/tex]
Use Distributive Property:
[tex]7(x + 3) < 5x + 13[/tex]
[tex]7x + 21 < 5x + 13[/tex]
-Take [tex]5x[/tex] and subtract it from [tex]7x[/tex]:
[tex]7x + 21 - 5x < 5x - 5x + 13[/tex]
[tex]2x + 21 < 13[/tex]
Subtract both sides by [tex]21[/tex]:
[tex]2x + 21 - 21 < 13 - 21[/tex]
[tex]2x < -8[/tex]
Divide both side by [tex]2x[/tex]
[tex]\frac{2x}{2} < \frac{-8}{2}[/tex]
[tex]\boxed {x < -4}[/tex]
A person who is 6.1 feet tall is standing in a pool. The top of the person's head is 1.8 feet above the surface of the water. How deep is the pool? Write your answer as a decimal.
Select the theorem that proves the triangles congruent. If the triangle cannot be proven congruent, select "not congruent."
Please help! I’ll give brainliest!!
Answer:
E
Step-by-step explanation:
here we have Angle S≅angle Q, then we have Side PS≅QR and then we have again Side PR≅PR so we have A-S-S but there is NO theorem of congruency that spells that word
Guys I need help asap what is half of 45
7/12 divided by 2 5/8
Answer:
2/9 or 0.2 repeating
Generate an equivalent expression for:
5(2x+3y)
i kinda need this awnser asap also its for a flip grid so not to advanced
I WILL GIVE BRAINLIEST
Answer:
y = [tex]\frac{-2x}{3}[/tex]
Step-by-step explanation:
Distribute 5 to 2x and 3y by multiplying each by 5
10x + 15y
Isolate y to one side of the equation
15y=-10x
Divide each side by 15
y = [tex]\frac{-2x}{3}[/tex]
Answer:
5(2x + 3y) = 10x + 15y
Step-by-step explanation:
There is one particular way to find an equivalent expression which I am assuming is what the problem is looking for. When given a factored expression in the form of a binomial (two terms), by creating an equivilent expression, you can distribute the binomial inside the parenthesis factored by the coefficient 5. So 5(2x + 3y) = 5(2x) + 5(3y) = 10x + 15y.
5 is also the greatest common factor of 10x + 15y which is why this expression simplifies down to the equivilent expression 5(2x + 3y).
10x + 15y as a GCF is really the GCF of 10 and 15. What you do is individually split each number into all its possible factors(set of whole numbers that multiply to that number), and then find the factor that they both share.
For example, 10 has factors of 5, 2, 1, 10. And 15 has factors of 15, 1, 5, 3.
Notice how 5 appears in both.
A glass is 1/3
full. Then 75cm3 of orange juice is poured in.
The glass is now 3/4
full. What is the total volume of the glass?
Help please!
Tell me which ones are rational or irrational numbers I will number them 1 to 10
1. 3.9
2. 14.9876.....
3. √9
4. 2 1/2
5. 13
6. √100
7. √10
8. 2π
9. √5 + 9
10. 9.812.....
Answer:
1,3,4,5,6
Step-by-step explanation:
all the other answers to not have a definite end to them. rational numbers end
You are Buying snacks. you buy 8 apples and 2 juices. the juice costs $1.75 each. The total cost is 9.50. How much is 1 apple?
Answer: Each apple would cost $0.75.
Step-by-step explanation: If each juice is $1.75, then 2 of them equal $3.5. Subtract this from $9.50 to get 6 dollars remaining. We know now we can buy 8 apples from the remaining 6 dollars. So from this, divide 6 by 8, you get $0.75.
A statement of equality between two ratios is called a
a) Product
b) Proportion
c) Property
d) Relation
e) Percentage
Which one?
Mark works at a clothing store and earns 20% commission on his total sales last month mark sold $1500 in closing total sales what was his commission last month
Answer:
$300
Step-by-step explanation:
I did have an explanation here but someone *cough* *cough* laurenercsp6fpli deleted all my answers for no reason. But I did the math and I assure you that the answer is $300.
ANSWER IF THIS IS WHAT MATH LOOKS LIKE TO YOU↓↓↓ ∵⊕∪⊕∵
Answer: yessss
Step-by-step explanation: I hate math
Answer:
yall help me with this im solving by substition
Step-by-step explanation:
xy=4
2x-y+2=0
help please!!!!!!!!!
Answer:
[tex]f\left(0\right)=\left(0\right)^2-4\left(0\right)=0-0=0[/tex]
[tex]f\left(1\right)=\left(1\right)^2-4\left(1\right)=1-4=-3[/tex]
[tex]f\left(2\right)=\left(2\right)^2-4\left(2\right)=4-8=-4[/tex]
[tex]f\left(3\right)=\left(3\right)^2-4\left(3\right)=9-12=-3[/tex]
[tex]f\left(4\right)=\left(4\right)^2-4\left(4\right)=16-16=0[/tex]
Step-by-step explanation:
Given the function
[tex]f\left(x\right)=x^2-4x[/tex]
Putting x=0 in the equation to find f(0)
[tex]f\left(x\right)=x^2-4x[/tex]
[tex]f\left(0\right)=\left(0\right)^2-4\left(0\right)=0-0=0[/tex]
Putting x=1 in the equation to find f(1)
[tex]f\left(x\right)=x^2-4x[/tex]
[tex]f\left(1\right)=\left(1\right)^2-4\left(1\right)=1-4=-3[/tex]
Putting x=2 in the equation to find f(2)
[tex]f\left(x\right)=x^2-4x[/tex]
[tex]f\left(2\right)=\left(2\right)^2-4\left(2\right)=4-8=-4[/tex]
Putting x=3 in the equation to find f(3)
[tex]f\left(x\right)=x^2-4x[/tex]
[tex]f\left(3\right)=\left(3\right)^2-4\left(3\right)=9-12=-3[/tex]
Putting x=4 in the equation to find f(4)
[tex]f\left(x\right)=x^2-4x[/tex]
[tex]f\left(4\right)=\left(4\right)^2-4\left(4\right)=16-16=0[/tex]
Find the circumference of the circle. Round to the nesrest tenth. 4 cm
Answer:
25.1
Step-by-step explanation:
4 is the radius and the diameter is twice the radius. The circumference is pi times the diameter. 3.14x8 is 25.12. Round that to the nearest tenth to get 25.1.
the sum of twice a number and 15
Answer:
2x+15
Step-by-step explanation:
because this is easy
Answer:
2x+15
Step-by-step explanation:
The "sum" means addition. "Twice a number" means 2x (or any other variable), "and 15" means adding 15.
hope this helps!
It takes 3 hours to cook an 8-pound turkey. How long would it take to cook a turkey that is 14 pounds? Round to the nearest tenth.
Answer:
5.3 hours
Step-by-step explanation:
Given:
3 hours = 8lbs. turkey
?? hours = 14lbs. turkey
Do proportions:
[tex]\frac{3}{8}[/tex] = [tex]\frac{x}{14}[/tex] <-- Cross Multiply
42 = 8x <-- Solve for x
x = 5.25
Round to the nearest tenth:
x = 5.3 hours
What is the measure of L in
degrees? Round your answer to
the nearest hundredth.
23
N
18
Use trigonometry to find L.
Tangent = opposite over adjacent on any right triangle.
tan(L) = 18/23
Take the inverse on both sides.
arctan(tan(L)) = arctan(18/23)
L = 38.0470425318
L = 38.05°
Done.
How to do this question plz answer me
Answer:
18 will be the number of sides.
Step-by-step explanation:
As we know that the sum of exterior angles of a polygon is 360°.
The formula is:
The exterior angle of a polygon = 360 ÷ number of sidesAs each exterior angle of a regular polygon is 20°.
so putting the value exterior angle 20° in the formula
The exterior angle of a polygon = 360 ÷ number of sides
20 = 360 ÷ number of sides
20 = 360/number of sides
so the number of sides will be:
number of sides = 360/20
= 18
Therefore, 18 will be the number of sides.
Based on a poll 62% of internet users are more careful about personal information when using a public wifi hotspot. What is the probability that amoung three randomly selected internet users at least one is more careful about personal information when using pubblic wifi hotspot?
Answer:
0.9451
Step-by-step explanation:
Remaining question? "How is the result affected by the additional information that the survey subjects volunteered torespond?"
Probability that at least 1 user is more careful about personal information when using a public Wi-Fi hot spot is:
P(X≥1) = 1 − P(X<1)
= 1 − P(X=0)
= 1 - [(3,0) (0.62)^0 (1-0.62)^3-0
= 1 - 0.054872
= 0.945128
= 0.9451
Thus, the probability that among three randomly selected Internet users; at least one is more careful about personal information when using a public Wi-Fi hotspot is 0.9451
help please !! explain if can too? :)
Answer:
29 because lines ac and bd are perpendcular and equal.
Step-by-step explanation:
im not fully sure my explanation is good enough
Which one is right *Will make BRAINLEST*
Answer:
To me it looks like B
Step-by-step explanation:
RIP King Von
What is the slope of the line that passes through the points (-10, 9)(−10,9) and (-12, 7) ?(−12,7)
Answer:
The slope is 1
Step-by-step explanation:
Equation of the line:
y = x + 19
Which values represent solutions to the equation? Tangent (StartFraction 3 pi Over 4 EndFraction minus 2 x) = negative where x Is an element of [0, Pi]
Answer: we need a picture to solve this, please repost with a picture of your assignment
Step-by-step explanation:
Answer:
D.) 0, pi/2, pi 3pi/2
Step-by-step explanation:
I’ve been stuck on this help if you can. Thanks
Answer:
The line of reflection is y=3
Step-by-step explanation:
How many hours are in 40% of a week?
Answer:
67.2 hours
Step-by-step explanation:
Answer:
Step-by-step explanation:
67.2 hours are in 40% of a week.
2. Brice has $1200 in the bank. He will deposit $40 per week from his
paycheck.
Answer:
if the question is how much he'll have by the end of the week, the answer is $920
The equation that models the given sstatement is $1200 + 40x
Sum of valuesGiven the following parameters
Initial amount of money in bank = $1200
If he will deposit $40 per week from his paycheck,the amount of money he willhave at the end of x weekis given as:
Total = Iniital + 40x
Total .= $1200 + 40x
Hence the equation that models the given sstatement is $1200 + 40x
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