3 years ago

Solve for x and y.

1 answer:

7 0

hey question do you still need help answering this cuz I noticed you posted this a while ago so I'm not sure.....let me know!

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What is the percent change if the student population of the school goes from 380 students to 335 students? Round to the nearest

lys-0071 [83]

Answer:

12% decrease

Step-by-step explanation:

I'm srry if I'm wrong but I'm 90-ish% its correct

6 0

4 years ago

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Which table(s) show x and y in DIRECT PROPORTION?

Nuetrik [128]

Answer:

d and a

Step-by-step explanation:

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3 years ago

What is the answer to this math problem -7d + 8 > 29

irina1246 [14]

Answer:

The answer is: d > -3

Step-by-step explanation:

-7d + 8 > 29

Solve for d:

-7d > 21

d > 21/-7

d > -3

Proof:

-7d + 8 > 29

-7(-3) + 8 = 29

21 + 8 = 29

29 = 29, therefore any number d greater than -3 fulfills the inequality.

Hope this Helps! Have an Awesome Day!! (-;

4 0

4 years ago

What is the solution to the coordinates<br> y= x - 1<br> y= -2x - 4

Sati [7]

Answer:

x = -1 and y=-2

Step-by-step explanation:

-2x-4=x-1 x=-1 -2x-4 and x=-1 is -2(-1)-4 which is -2(-1)-4=-2 so y= -2

6 0

3 years ago

A rectangular exercise has a perimeter of 36 week the length of the mat is twice the width it right and solve and equation to de

xxTIMURxx [149]

Answer:

Part a) The length of the rectangle is $12\ ft$

Part b) The area of rectangle is $72\ ft^{2}$

Step-by-step explanation:

step 1

Find the length

Let

L-----> the length of the rectangle

W---> the width of the rectangle

we know that

The perimeter of rectangle is

$P=2(L+W)$

$P=36\ ft$

$36=2(L+W)$

$18=(L+W)$ ----> equation A

$L=2W$ -----> equation B

substitute equation B in equation A

$18=(2W+W)$

solve for W

$18=3W$

$W=18/3=6\ ft$

Find the value of L

$L=2(6)=12\ ft$

step 2

Find the area

The area of rectangle is equal to

$A=LW$

substitute the values

$A=(12)(6)=72\ ft^{2}$

8 0

3 years ago