MATHEMATICS MIDDLE SCHOOL

Answer Please! 25 Points

Answers

Answer 1

Answer:

Answer:

y = 6

Step-by-step explanation:

-4x - 9y = -26

substitute -7 for x

-4 (-7) - 9y = -26

28 - 9y = -26

-28 -28

-9y = -54

/-9 /-9

y = 6

hope this helps :)

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Write the system of linear equations
Y=3x+1
Y=2x+3

Answers

Answer:

x = 2

y =7

Step-by-step explanation:

the system of linear equation will be solve using substitution method,

let

Y=3x+1.............................................. equation 1

Y=2x+3.............................................. equation 2

substitute equation 1 into equation 2

3x + 1 = 2x + 3

combine the like terms

3x+1 -2x = 3

x = 3 -1

x = 2

put the value of x=2 in either equation 1 or 2

Y=2x+3.............................................. equation 2

y = 2(2) + 3

y = 4 + 3

y = 7

I am stuck heres the question;the product of 2 numbers is 144 and their difference is 10 what is the su of the 2 numbers
if you can help Thanks¡

Answers

Well using guess and check I got 8 x 18, and that also equals 10 when subtracted, hope this helps ! :D

Xy=144
x-y=10

x=144/y
Y-10=144/y
y2-10y=144
y2-10y+25=169
(y-5)square=169
(y-5)=13 Y-5=-13
y=18 Y=-8

20 POINTS!!!The options are proportional or not proportional and are and are not a constant multiple.

Answers

Answer:

not proportional

Step-by-step explanation:

If it is proportional y/x = constant

y/x = 5/2 = 2.5

6/3 = 2

These are not the same so it is not proportional

Find coordinates of point c

Answers

ans n solution can refer in the picture

A construction company orders 12 tons of pea gravel how many pounds of pea gravel do they order

Answers

Each ton is equal to 2,000 pounds, therefore each ton (12) times the number of pounds per ton (2,000) is 24,000 pounds! Hope this helps!!

The price of one share of Acme Company declined $3.50 per day for 4 days in a row. What is the overall change in price of one share?

Answers

Answer:

The overall change in price of one share is: -$14.00

Step-by-step explanation:

The Acme Company share has declined its price in a rate of $3.50 per day

Therefore the change rate is: $- (\mathdollar 3.50)/(day)$

In order to find the overall change in prince in 4 days in a row, we must have to multiply the change rate by 4 days

$( - (\mathdollar 3.50)/(day))(4 \ days)= - \mathdollar 14.00$

Therefore, the overall change in price is: -$14.00

Since it's a decline, the amount will be negative.
3.5 per day for 4 days so multiply 3.5 by 4, which equals: $14
so the overall change is -$14.00

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