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Reptile [31]
3 years ago
10

I know how to work out all but the third row can you help

Mathematics
1 answer:
labwork [276]3 years ago
4 0

Here I have attached a photo to help you with this:

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2/5(a+2b)^2 (if a=3 and b=-4)
kondor19780726 [428]

The answer is 10. Hope this helps.

Multiply the numbers

2/5 •(3-8)^2

Subtract (3-8)

2/5• (-5)^2

A negative base raised to an even power equals a positive

2/5• (5)^2

Reduce the expression with 5.

2•5

10

4 0
3 years ago
The lengths of angles given represent the sides or angles of a triangle.
Dafna1 [17]

Answer:

C.

Step-by-step explanation:

Comparing the sides: 20 = 12 + 8.

The largest side must be less than the sum of the other 2 sides for there to be a triangle.

No triangle can have these dimensions.

4 0
3 years ago
How is taking away sandbags different from adding
elena-s [515]
Your limting the amount of sandbags you have if you take away and when your adding your adding more sandbags.
8 0
3 years ago
A four foot tall girl cast a shadow of 6 feet. A shade tree cast a shadow of 24feet. What is the height of the tree?
aleksandr82 [10.1K]
The answer is 16.
the girls shadow is 6 feet, and the trees is 24. you get to 24 by multiplying by 4. so do the same thing for the height. if the girls height is 4, multiply by 4 to get to the trees height. 4x4 is 16.
5 0
3 years ago
Is there a solution <br> y=3x+1 y=3x+5
umka21 [38]

Answer:y = 3x + 5 is a linear equation in two variables and it has infinite possible solutions.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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