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IgorC [24]
3 years ago
5

PLEASE HELP EXPERTS

Mathematics
1 answer:
sergey [27]3 years ago
3 0

Answer:

d=10 w=3

Step-by-step explanation:

d=w+7,d=2w+4 where d is the total distance and w is week

w+7=2w+4

w+7=2w+4

w=3

d=(3)+7

d=10

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Brums [2.3K]

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The perimeter of a square is 1.2m. Find the length of the side.<br> The area of the square.
Nana76 [90]
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8 0
4 years ago
Read 2 more answers
Evaluate the expression. -{-16.9 + 10} PLZ HELP
DaniilM [7]

Solution, -\left\{-16.9+10\right\}=6.9

Steps:

\mathrm{Add/Subtract\:the\:numbers:}\:-16.9+10=-6.9, =-\left(-6.9\right)

\mathrm{Apply\:rule}\:-\left(-a\right)=a, =6.9

The correct answer is <u><em>6.9</em></u>

Hope this helps!!!

4 0
3 years ago
Read 2 more answers
Please help me fill in the blanks :) ​
guapka [62]

Answer:

Absolute value is the distance from numbers on a number line. The absolute value of -7 is 7 b/c it is 7 units from 0. The absolute value of 5 is 5 b/c it is 5 units from 0.

A negative number is a number that is negative. On a horizontal number line negative numbers are to the left.

A positive number is a number that is positive. On a horizontal number line positive numbers are to the right.

I don't understand the last paragraph though. Hope this helped :D

Step-by-step explanation:

4 0
3 years ago
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