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4 years ago

9

I want to be a teacher some day and i know this question----------What is -15 -(-8)=? remember a negitive plus a negitive equals

a positive ;) *i will upvote*

1 answer:

irina [24]4 years ago

8 0

Answer is -7 because -15+8=-7

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In parallelogram ABCD, AC=87.5 and BC=52.5. If ABCD is a rectangle, find AB.

igor_vitrenko [27]

We can do this using Pythagorus,,,
87.5*2 - 52.5*2 = AB*2
4900 = AB*2
70 = AB

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3 years ago

F(x) = 3х + 2 and g(x) = X + 5<br> g[f(x)] =<br> A:Зx +7<br> B:3х + 17<br> C:4x +7

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3 years ago

What’s the perpendicular slope of -3/2

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3 years ago

Which of the following statements is true? A. Vertical angles are always complementary. B. Vertical angles are always supplement

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3 years ago

Read 2 more answers

Subtract. Then, in two or more complete sentences, explained how you found the difference. In your explanation, make sure to inc

elena-s [515]

Answer:

$-1\frac{5}{2}-\frac{7}{12}=\frac{-49}{12}$

Step-by-step explanation:

Given : Expression $-1\frac{5}{2}-\frac{7}{12}$

To find : Subtract the expression ?

Solution :

Step 1 - Write the expression,

$-1\frac{5}{2}-\frac{7}{12}$

Step 2 - Write mixed form into proper form,

$-1\frac{5}{2}-\frac{7}{12}=-\frac{7}{2}-\frac{7}{12}$

Step 3 - Take least common denominator,

$-1\frac{5}{2}-\frac{7}{12}=\frac{-42-7}{12}$

Step 4 - Solve,

$-1\frac{5}{2}-\frac{7}{12}=\frac{-49}{12}$

$-1\frac{5}{2}-\frac{7}{12}=\frac{-49}{12}$

4 0

4 years ago