Mathematics College

Use the system of equations and graphs below to complete the sentence.

X - 2y = 5

3x + 15y = -6

The graph that correctly represents the given system of equations is graph (A, B, C, D), and the solution to the system is ((-4, -3, 3, 4), (-2, -1, 1, 2)).

Answers

Answer 1

Answer:

Graph B

The Blanks: (3, -1)

Step-by-step explanation:

I got it right on edmentum

Answer 2

Answer:

B, 3,1

Step-by-step explanation:

Related Questions

A car sold 120 cars in April the dealership wants to increase the number of cars sold by 15% in may how many cars will the dealership need to sell to reach there goal

Answers

Answer:

Step-by-step explanation:

15 x 20%=18

Answer:

138

Step-by-step explanation:

because when you add 18 to 120 it is 138

Each answer choice below shows an equation and a value for x. Which of the following are true? Select three that apply.
A. If 3(x+6)=15, then x = 3.
B. If 4(x-7) = 36, then x=37.
C. If 5x + 10 =20 then x =2
D. If 6x-12=48, then x=10
E. If 7x-14=-28, then x=8
F. If 8x(x-4)=32, then x=8

Answers

Replace x in each equation and see which ones are true.

The answers are:

C. If 5x + 10 =20 then x =2

D. If 6x-12=48, then x=10

F. If 8x(x-4)=32, then x=8

what is 22.5%written as a fraction in simplest form ? plz help

Answers

Answer:

22 1/2 or 45/2

Step-by-step explanation:

5. Elena bought 8 tokens for $4.40.
b. How much does 19 tokens cost?

Answers

Answer:

8 = 4.40

9 = x

9(4.40)=39.6

39.6/8=4.95

So 19 tokens cost $4.95.

Step-by-step explanation:

The 19 tokens cost $104.5.

What is Unitary method?

In order to solve a problem for two different values of a quantity, its unit value is first derived. This method is known as unitary method.

Given that,

The price of 8 tokens is $4.40.

In order to find the cost for 19 tokens the unitary method is used as,

The cost for 1 token = $4.40/8

= $5.5

So, the cost for 19 tokens is 19 × 5.5 = $104.5

Hence, the cost for 19 tokens is $104.5.

To know more about unitary method click on,

https://brainly.com/question/28276953

#SPJ5

Juan cuts a piece of rope that is 16 meter long into 2 equal pieces. What is the length of each shorter piece of rope?

Answers

Answer:

8 meters each

Step-by-step explanation:

there is not a shorter piece of rope because 16 divided my 2 is 8 so they would both be 8 meters

Use substitution to solve the system.

X= 2y-5
4x+3y=-9

Answers

Step-by-step explanation:

x=2y-5 - equation 1

4x+3y=-9 -equation 2

Replace equation 1 in equation 2

4(2y-5)+3y=-9

8y-20+3y=-9

11y=-9+20

11y=11

y=11/11

y=1

If y=1, therefore x=2(1)-5=-3

x=-3,y=1

Which triangle is a 30°-60°-90° triangle?

Answers

Answer:

right triangle

Step-by-step explanation:

Answer:

A right triangle

Step-by-step explanation:

A 30-60-90 triangle is a special right triangle (a right triangle being any triangle that contains a 90 degree angle) that always has degree angles of 30 degrees, 60 degrees, and 90 degrees.

y = 8x- 18
y-intercept:

x-intercept
:

Answers

Answer:

the y-intercept is -18

Step-by-step explanation:

hope i couldve help :)

Estimate. Tell whether the estimate is greater than or less than the actual product.
52 x 11

Answers

Answer:

Step-by-step explanation:

because the estimate of 52 is 50 and the estimate of 11 is 10 so there.

Jasmin can walk 1/4 mile every 1/5 hour. At this rate, how far can Jasmin
walk in one hour?

Answers

Answer:

hope this helps :)

Step-by-step explanation:

Since we know how far she can walk in 1/5 (one fifth) of an hour, if we multiply this distance by 5, we will find out how far she can walking in 5/5 (five fifths) of an hour, or to be clear: in one hour.

So, 5 x 1/4 miles = 5/4 or 1.25 miles per hour

Jazmeen can walk 1.25 miles in one hour.

Imagine the entrance to your local grocery store. Can you guess how many shopping cartwheels there are in the store? There is a relation between the number of carts and the number of wheels in the store.
Can you use the number of carts (x) to correctly figure out the number of wheels (y)? What would you do?
Hint: If there are two shopping carts, how many wheels are there?

Is this relation a function? Why or why not?

Answers

Answer:

I'm confused what?8<$*=&

Mya is doing a 45-minute cardio workout. She has completed 4/5 of the workout. In how many minutes will her workout be done?

Answers

Answer:

9 minutes

Step-by-step explanation:

First, find 4/5 of 45 by multiplying 45 by 4/5:

(45)(4/5)

= 36

Then, to find how many more minutes she has left, subtract 36 from 45:

45 - 36

= 9

So, her workout will be done in 9 minutes

Answer:

Step-by-step explanation:

(45)/(4/5)=36

45-36 is 9

2. Eldon helps people load their groceries into their cars at the
grocery store. The grocery store pays him $5.15 per hour. In one
week he worked 38 hours and earned $425.00 in tips. What was
his total income?

Answers

Answer:

$620.7

Step-by-step explanation:

$5.15 × 38 = $195.7

$195.7 + $425.00 = $620.7

What is the expression -7x2 + 32x + 240 in factored form?

a) (-7x – 60)(x + 4)

b) (7x + 60)(x + 4)

c) (-7x + 60)(x + 4)

d) (-7x + 60)(x – 4)

Answers

The answer is D: (-7x + 60)(x - 4)

Answer:

a) (-7x – 60)(x + 4)

Step-by-step explanation:

;)

work out the area of the trapezium abde

Answers

Step-by-step explanation:

you need to attach a photo to show us what this looks like

Mike buys a pack of markers for $2.85. He uses a 20% off coupon, what is the price of the markers with the coupon?

A $2.28
B $3.42
C .57
D $2.53

Answers

The answer would be C

Answer:

c.57

Step-by-step explanation:

(help please!) Which is a correct representation of x-2 using algebra tiles?

Answers

Answer:

its c

Step-by-step explanation:

The answer is C

Hope this helps

What is the solution to the inequality 7<=-3x-4

Answers

Answer:

The nearest option is -3 (negative 3)

So, Option B is correct.

Step-by-step explanation:

We need to solve the inequality [tex]7 \leq -3x-4[/tex]

Solving:

Step 1: Switching sides of inequality and reversing the inequality

[tex]-3x-4\geq 7[/tex]

Step 2: Adding 4 on both sides

[tex]-3x-4+4\geq 7+4\\-3x\geq 11[/tex]

Step 3: Dividing both sides by -3 and reversing the inequality

[tex]\frac{-3x}{-3}\leq \frac{11}{-3} \\x\leq -3.6\\[/tex]

The nearest option is -3 (negative 3)

So, Option B is correct.

2. A jar contains 660 beans. Of them, 440 are kidney beans and the rest are cranberry
beans. What is the ratio of kidney beans to all the beans?

Please help y’all! I’m confused!

Answers

Answer:

2/3

Step-by-step explanation:

They didn't ask about the cranberries so just simplify 440/660 which is 2/3

440:1100 or you can say 440 to 1100

A class has 30 students. 18 are boys. what id the ratio of boys to girls? (you must simplify)

Answers

Answer:

number of students =30

boys =18

girls =30-18=12

therefore,the ratio of boys :girls

=18:12

then simpilyfing, =3:2

The ratio of the number of boys to girls in the class is 3 : 2

Total number of students = 30

Number of boys = 18

Nunber of girls = 30 - 18 = 12

The ratio of boys to girls :

Number of boys : Number of girls 18 : 12

Simplify to lowest term :

Divide both sides by 63 : 2

Therefore, the ratio of boys to girls is 3 : 2

Learn more : https://brainly.com/question/13218948

what's the answer -5+ 8x - 9 = 3x+3)

Answers

We collect like terms
8x - 3x = 3 + 5 + 9
This is bcos if a (-) sign crosses the equals sign it becomes a (+), and if a (+) sign crosses the equals sign it becomes (-)
We the have
5x = 17
Divide both sides by 5
x = 17/5
x = 3.4

What’s the angles relationship ?

Answers

Answer:

IF YOU ARE TALKING ABOUT ANGLES 1 AND 2

They add up to 180 degrees

if you want the measures of them, ANGLE 1 = 140 degrees ANGLE 2 = 180-140=40 degrees

Step-by-step explanation:

They are Supplementary angles, which means they add up to 180 degrees

HOPE THIS HELPPPSSSSSSSSSSS

Co-interior angles

This means that angle 1 would be 140 degrees
Angle 2 would be 40 degrees

The graph of y>1/2x-2 is shown. Which sweet contains only points that satisfy the equality

Answers

Answer:

hi I dont think I can help I am only 9 year old and am in grade 5 so

express as a unit rate. $18.50 for 5 lbs

Answers

Answer:

3.7 dollars per lb

Answer:

$3.70 per lb

Step-by-step explanation:

It's asking how much money for one pound. So, right now the equation is

18.5=5lbs

divide by 5 on both sides

3.7=1lb

so, $3.70 per lb

HELP WILL MAKE BRAINLIST TO WHOEVER DID IN EXPLAINATION

Answers

Answer:

The scouts hiked up the mountain in 1 mile.

Step-by-step explanation:

how to do this T-T?

The difference between 20th and 40th term is 40. Find the 100th term if the second
term is 2.

Answers

Answer:

198

Step-by-step explanation:

t20=a+19d.......1

t40=a+39d.......2

t2=a+d=2.........3

According to ques,

t40-t20=a+39d-(a+19d)=40

or,20d=40

or,d=2

Now ,putting the value of d in equation 3,we get,

a=0

t100=a+99d

=0+99×2

=198

Darrin orders 24.5 square feet of granite countertop for his kitchen.
If hepays $428.75 for the granite, what is the cost per square foot?

Answers

Answer:

37.9

Step-by-step explanation:

what is the slope of the line

Answers

the answer to you ? is = -3/4x

9 1/3 minus 3 1/4 as a mixed number

Answers

Answer: i got 6 83/1000

Step-by-step explanation:

Mickey needs $80 to buy a fish tank for her fish. So far he shas been able to save $8. She is going to be cleaning up this weekend at the park where he makes $9 per hour. Which inequality shows the minimum number of hours h , that Mickey can work at the park to earn enough to buy the fish tank for her fish? (5 points) a 8 + 9n ≤ 80, so n ≤ 8 b 8 + 9n ≥ 80, so n ≥ 8 c 9n ≥ 80 + 8, so n ≥ 9.8 d 9n ≤ 80 + 8, so n ≤ 9.8

Answers

Answer:

Step-by-step explanation:

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Use the system of equations and graphs below to complete the sentence. X - 2y = 5 3x + 15y = -6 The graph that correctly represents the given system of equations is graph (A, B, C, D), and the solution to the system is ((-4, -3, 3, 4), (-2, -1, 1, 2)).

Answers

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Use the system of equations and graphs below to complete the sentence.

X - 2y = 5

3x + 15y = -6

The graph that correctly represents the given system of equations is graph (A, B, C, D), and the solution to the system is ((-4, -3, 3, 4), (-2, -1, 1, 2)).