3 years ago

Calculate the perimeter of this shape.

Mathematics

1 answer:

Sloan [31]3 years ago

4 0

Step-by-step explanation:

Hello there!

Just double the given sides!

(18*2)+(12*2)=60 cm.

There you are!

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Simplify 2 a + 4 - 7 a + a

AlexFokin [52]

2a + 4 - 7a + a

2a -7a +a +4

-5a + a +4

-4a + 4

-4a + 4 is your answer

hope this helps

8 0

3 years ago

the sum of −2x2 + x + 31 and 3x2 + 7x − 8 can be written in the form ax2 + bx + c, where a, b, and c are constants. What is the

Kitty [74]

Answer:

$a+b+c=32$

Step-by-step explanation:

we have

$(-2x^{2} +x+31)+(3x^{2}+7x-8)$

Adds the terms

Group terms that contain the same variable

$(-2x^{2}+3x^{2})+(x+7x)+(31-8)$

Combine like terms

$(x^{2})+(8x)+(23)$

where

$a=1,b=8,c=23$

therefore

$a+b+c=1+8+23=32$

8 0

3 years ago

I don’t understand how to find x to solve.

umka21 [38]

Answer:

X + 3

Step-by-step explanation:

There is no definite working. The first container is what I call the base because everything is a little above the first container, X. They are basically asking you what is the total of the four jars bigger than X. In other words how many steps more to climb before the top floor while you are on the first step. So then you add the other numbers like 0.5 etc which will give you X +3. Hope it helps.

5 0

2 years ago

Is reading a book that is 1400 pages he will read the same number of pages each day if he reads the book in 7 days how many page

Alex777 [14]

He will read 200 pages a day because 1400/7 = 200

3 0

3 years ago

Read 2 more answers

Which two values are solutions to the inequality r ≤ 5?

sergij07 [2.7K]

Answer:

Step-by-step explanation:The solution is x > 3

7 0

3 years ago