Please help me I will give you Brainly

Please Help Me I Will Give You Brainly

Answers

Answer 1

Answer:

(- 1, 4 )

Step-by-step explanation:

Given the 2 equations

3x + 4y = 13 → (1)

2x - 2y = - 10 → (2)

Multiplying (2) by 2 and adding to (1) eliminates the term in y

4x - 4y = - 20 → (3)

Add (1) and (3) term by term to eliminate y, that is

7x + 0 = - 7

7x = - 7 ( divide both sides by 7 )

x = - 1

Substitute x = - 1 into either of the 2 equations and solve for y

Substituting into (1)

3(- 1) + 4y = 13

- 3 + 4y = 13 ( add 3 to both sides )

4y = 16 ( divide both sides by 4 )

y = 4

solution is (- 1, 4 )


Related Questions

i need help now its due right now can anyone help me

Answers

Answer:

(2,-3)

Step-by-step explanation:

I thought you'd actually have to calculate it but I guess they just wanted to give you guys a graph lol

Math NEED HELP PLzPLZ

Answers

Answer:

7x < 60

Step-by-step explanation:

What is the equation in standard form of a line that passes through the point (-2, 5) and has a slope of -0.3?

a) 3x + 10y = 44
b) 3x + 10y = -50
c) 3x + 10y = -44
d) 3x +10y = 50

Answers

Answer:

a it's a :)

Step-by-step explanation:


Please help due in 10 minutes

Answers

Answer:

One solution

Step-by-step explanation:

maybe

Answer:

There is only one solution to the equation.

x = 0

Step-by-step explanation:

Let rewrite the following equation so that x will be separated from the other numbers. So we do the following......

[tex]\frac{x+4}{4} = \frac{x +3}{3}[/tex]

[tex]12(\frac{x+4}{4}) = 12(\frac{x +3}{3})[/tex]

[tex]3(x +4) = 4(x+3)[/tex]

[tex]3x +12 = 4x +12[/tex]

[tex]12 = 4x - 3x +12[/tex]

[tex]0 = x[/tex]

Lisa needs 250 yards of yarn to knit a hat. She has 185 yards of yarn and needs to buy the rest. How many yards of yarn does she need to buy?

Use the variable y to represent the number of yards of yarn she needs to buy.

Which equation represents this situation and its solution?


250y = 185; y = 55

y + 185 = 250; y = 65

y + 250 = 185; y = 65

185y = 250; y = 55

Answers

Answer:

it's answer is y + 185 = 250; y = 65

hope it helps you

The table below shows all of the possible outcomes for rolling two six-sided number cubes.
How many possible outcomes are there?
Answer Choice
A)6
B)12
C)21
D)36

Answers

There are 12 6 in the first and second cube so it would be “B) 12”
I believe D.


The of getting an even number in first and an odd number second is .
Step-by-step explanation:
Given,
Total number of outcomes = 36

Please help me with the questions

Answers

Answer:

11.76 ft or 12 ft

Step-by-step explanation:

tan 30= x/12            tan 22=  x/12

x= 6.92                    x= 4.84

6.92+4.84=11.76ft

11.76 rounded to the nearest foot= 12ft

what is 0.45 divide by 0.3 please show work.

Answers

Step-by-step explanation:

We can use standard form to make it simpler to deal with.

0.45=45×10^-2

0.3=3×10^-1

Now 45÷3=15

10^-2÷10^-1=10^-1

So the answer is 15×10^-1 OR 1.5

Solve for a: 3a + 11 > 5 Which graph shows the solutions? ​

Answers

Answer: The first one

Step-by-step explanation:

3a + 11 > 5

Subtract 11 from both sides:-

3a > 5 - 11

3a > -6

a > -2

Answer:

It would be the first one

Step-by-step explanation:

problem---> 3a + 11 > 5

FIND a

1. Subtract 11 from both sides:-

which would look like this "3a > 5 - 11"

=3a > -6

a > -2

ANSWER; C.

what is 9 : 45 = 6 : ?

Answers

Answer:6:45

Step-by-step explanation:

Answer:

x = 30

Step-by-step explanation:

a ratio is just a fraction

9:45 = 9/45

6:x = 6/x

now you have 9/45 = 6/x

cross multiply:

9 * x = 45 * 6

9x = 270

divide both sides by 9

9x/9 = 270/9

x = 30

State the degree and end behavior of the following polynomial f(x)=4x^3+3x^5-x^2 - 2

Answers

Answer:

Degree

Five Degree

End Behavior

When x approaches negative infinity, f(x) approaches the negative infinity as well.

When x approaches positive infinity, f(x) approaches positive infinity.

Step-by-step explanation:

[tex]y = 4 {x}^{3} + 3 {x}^{5} - {x}^{2} - 2[/tex]

A five-degree polynomial function. Rearrange the terms.

[tex]y = 3 {x}^{5} + 4 {x}^{3} - {x}^{2} - 2[/tex]

Because it is an odd-degree function, the graph increases from negative infinity and ends by increasing at positive infinity.

Graph / End Behavior

When x approaches negative infinity, f(x) approaches the negative infinity as well.

When x approaches positive infinity, f(x) approaches positive infinity.

Carla and Andrew have 29 chocolate chip cookies. Andrew has 8 more than twice Carla’s cookies. How many cookies does each person have?

Answers

Step-by-step explanation:

29 cookies

Carla has X cookies

Andrew has 8+ 2X cookies

x + 8 + 2x = 29

3x = 29-8

3x= 21

x = 7 / Carla has 7 cookies

8+ 2x = 8+2•7= 8+14=22 / Andrew has 22 cookies

Find the value of X AND Y: Show your work.

Answers

We are given:                                                                                                        

AB = 7x + 10

BD = 9x - 2

∠DBC = 9y - 9

∠ABC = 90°

AB = BD

Solving for x:                                                                                                          

We are given that AB = BD

7x + 10 = 9x - 2               [since AB = 7x+10 and BD = 9x-2]

10 = 2x - 2                       [subtracting 7x from both sides]

2x = 12                            [adding 2 on both sides]

x = 6                               [dividing both sides by 2]

Hence, x = 6

Solving for y:_______________________________________________  

We know that AD is a straight line,

So, ∠ABC and ∠DBC must form a linear pair

∠ABC + ∠DBC = 180°

90 + 9y-9 = 180

9y - 9 = 90             [subtracting 90 from both sides]

9y = 99                  [adding 9 on both sides]

y = 11                      [dividing both sides by 9]

Hence, y = 11

Simplify the expression:
4+4+7d

Answers

Answer:

8+7d

Step-by-step explanation:

So forest you combine like terms

4+4=8

There are no longer any like terms so your finished product is 8+7d

PLEASE FAST SHOW YOUR WORK AND GIVE ANSWER FOR BRAINLIEST AND 15 POINTS

what is the value of 4(2f-3d)+2(2d+e)

Answers

Answer:

8f - 8d + 2e

Step-by-step explanation:

8f-12d+4d+2e = 8f - 8d + 2e

Answer:

−8d+8f+5.436564

Step-by-step explanation:

Let's simplify step-by-step.

4(2f−3d)+2(2d+2.718282)

Distribute:

=(4)(2f)+(4)(−3d)+(2)(2d)+(2)(2.718282)

=8f+−12d+4d+5.436564

Combine Like Terms:

=8f+−12d+4d+5.436564

=(−12d+4d)+(8f)+(5.436564)

=−8d+8f+5.436564

Answer:

=−8d+8f+5.436564

You go to Macy’s and buy a watch costing $150. The watch is on sale for 60% off. What is the sale price after both discounts?

Answers

Answer:

Sale price of the watch = $60

Step-by-step explanation:

Given that:

Cost of the watch at Macy's = $150

Discount on watch = 60%

Amount of discount = 60% of cost

Amount of discount = [tex]\frac{60}{100}*150[/tex]

Amount of discount = 0.60*150 = $90

Price after discount = 150-90

Price after discount  = $60

Hence,

Sale price of the watch = $60

There are 72 squares in the model. What is the result of 72-12?
6
8
9
12

Answers

Answer:

6

Step-by-step explanation:

the answer is 6

What is the x-value of the solution to the system of equations:

y = -1/2x - 4

y = 2x + 1

Answers

I don’t know but just try your best and you will get it right

Answer:

x = 0

x = (-1/2,0)

Step-by-step explanation:

A student usually save $20 a month.He would like reach a goal $350 in 12 months

Answers

he will need to save 30 dollars a month

Step-by-step explanation:

round 2.33459 to the hundreths place

Answers

Answer:

2.33

Step-by-step explanation:

Answer:

go to your hundredths place. since 4 is not greater than 5 then it would round down. so the final answer would be 2.33

I need help on this question reallyyyyy fast

Answers

Answer:

40 degrees

Step-by-step explanation:

75 + 65 = 140

The sum of all of the angles of a triangle equals 180

180-140 = 40

Convert the following measurements:
34 mm
cm
23 kL
L
16 mg
II
Com
3 km
2 g
=
mg

Answers

Step-by-step explanation:

a.3.4cm

b.23000l

c.0.016g

d.3000m

e.2000mg

Can you guys help meh pls

Answers

16500, 1650, ?, 0.165
This pattern is to move the the number to the right by 2 decimal places.
So pattern number 3 is 16.50

Can y’all plz help me for brainliest

Answers

the awnser is #3

k=96

Answer:96

Step-by-step explanation:

4 can go into 96 24 times

please choose the correct answer due at 11:59

Answers

The answer is b
Graph b is the only one that crosses (1,30) (2,60) and (3,90)

Answer:

B

Step-by-step explanation:

if you line up the months (x) with the money (y) evrything lines up correctly whe you look at the points on the graph

hope this helps <3

Can someone tell just the answer

Answers

Answer:

Option D is correct .

Step by step explanation:

A function is given to us and we need to find its inverse . The function is g(x) = -2x⁵ - 2.

So for finding its inverse , exachange x with y .

⇒ g(x) = -2x⁵ - 2 .

Let g(x) = y ,

⇒ y = -2x⁵ - 2 .

Replace x with y ,

⇒ x = -2y⁵ - 2

⇒ x + 2 = -2y⁵

⇒ y⁵ = x+2 / -2

⇒ y⁵ = (-1) ( x + 2) / (-1)(-2)

⇒ y⁵ = -x - 2/ 2

y = [ ( -x -2)/2 ]

Hence the inverse of the function is ,

[tex]\boxed{\red{\bf f^{-1}(x)=\sqrt[5]{\dfrac{-x-2}{2}}}}[/tex]

Hence the correct option is (D) .

Answer Choice
A)Sophomore Class
B) P.E. Classes
C)Math CLub members
D)entire student body

Answers

Shouldn’t it be D bc census includes everyone


6 (2n + 5 ) = 66
solve for n

Answers

Answer:

n=3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6(2n+5)=66

(6)(2n)+(6)(5)=66(Distribute)

12n+30=66

Step 2: Subtract 30 from both sides.

12n+30−30=66−30

12n=36

Step 3: Divide both sides by 12.

12n/12    = 36/12

n=3

Answer:

n = 3

Step-by-step explanation:

Distribute 6 into 2n+5, which is 12n +30

Subtract 30 from 66, which is 36

Divide 36 by 12

You're left with n = 3

Or in numbers:

6(2n+5)=66

12n+30=66

12n=36

n=3

Read the excerpt from Heart of a Samurai and then answer the question.

The strangers leaped out of their boats and pulled them up on the small beach. By signs, they made it clear the castaways should climb aboard.

The fishermen exchanged frightened glances and whispered to one another,

“What about Denzo and Jusuke?”

Gesturing, Manjiro communicated to the strangers about the two men in the cave. Denzo and Jusuke were retrieved, both of them so weak they had to be carried to the boats. Everyone found a place and the sailors shoved off. The two boats rowed away from the island toward an unknown future.

The sun flickered on the restless waves just as it always did. The wind blew just as steadily as it always had. Yet everything had changed. They had been rescued from the island, only to be taken captive by barbarians.

Manjiro stared at the strangers when he thought they weren’t looking. Sometimes he caught them staring at him when they thought he wasn’t looking.
What do the details in this excerpt help readers to infer about the barbarians?
A. They are just as mean and monstrous as the fishermen expect them to be.
B. They are suspicious creatures who seem to be from a place other than Earth.
C. They have a plan to humiliate the fishermen and are waiting for the right time.
D. They are just as curious about the fishermen as the fishermen are about them.

Answers

Answer:

D

Step-by-step explanation:

"Manjiro stared at the strangers when he thought they weren’t looking. Sometimes he caught them staring at him when they thought he wasn’t looking."

"The fishermen exchanged frightened glances and whispered to one another,"

A bowling alley and a skating rink both offer birthday party rentals. The bowling alley costs $5 per person plus a $15 room rental fee. The skating rink costs $3 per person plus a $20 room rental fee. You have $50. If you want to invite as many people as possible, which location should you choose?

Answers

For example: if you chose to invite 10 people the skating rink would cost a total of $50 including the room fee

If you invite 10 people to the bowling alley you would spend $65 Including the room

The answer would be to choose the skating rink
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