3 years ago

Can somebody help me please

Mathematics

1 answer:

serious [3.7K]3 years ago

8 0

Answer:

-7 and 21

Step-by-step explanation:

y-2y=7 (sub x=7 to the equation)

-y=7

y=-7 (not sure of its correct)

if y=-7,

x-2(-7)=7 (sub y=-7 into equation)

x-14=7

X=7+14

X=21

You might be interested in

If the mean of this data is 95, find the missing data 103,99,90,86,105,96 what is the missing data

d1i1m1o1n [39]

Let, the missing number = x
Then, 103 + 99 + 90 + 86 + 105 + 96 + x / 7 = 95
579+x = 665
x = 665 - 579
x = 86

In short, Your Answer would be 86

Hope this helps!

3 0

3 years ago

CAN SOMEONE PLEASE HELP ME OUT PLEASE I WOULD APPRECIATE IT VERY MUCH

tatyana61 [14]

Answer:Decreasing

Step-by-step explanation:

Focus only on the 8-10 interval for x. Note that for x=8 , y=1, for x=9, y=0 and for x=10, y=-1. Y is obviously decreasing for $8$ .

6 0

3 years ago

1. Fill in the blanks with the proper vocabulary.<br> |5y - 8 = 7v+22

Virty [35]

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a+2+2+2

7 0

3 years ago

Inequality of 28.005 & 28.05

iogann1982 [59]

Answer:

28.05 > 28.005

Step-by-step explanation:

It might help to express the numbers with the same number of decimal places:

28.050 > 28.005

You can see that 50 is greater than 5.

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

8 0

4 years ago

Please I need help!!!!!!

8090 [49]

Answer:

What? I'm in middle school ;-;

Step-by-step explanation:

8 0

3 years ago