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tino4ka555 [31]
3 years ago
13

Simplify -a -(a-b) ​

Mathematics
2 answers:
raketka [301]3 years ago
8 0

Answer:a²-ab

Step-by-step explanation:

since the negative symbol is on the outside of the parenthesis all values inside the parenthesis get reversed. so:

-a(-a+b)

Then multiply by -a:

a²-ab

Marina86 [1]3 years ago
3 0

Answer:

b

Step-by-step explanation:

-a-(a-b)

Distribute the negative sign to get -a+a+b

-a cancels out a, and you're left with b.

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Plz help I will give thanks and if u give me the right answer ill give u brainly
Anestetic [448]
It’s -8 because -8+7=-1
3 0
3 years ago
Read 2 more answers
Mrs.Roberts drives 3/4 miles in 1/2 minute. How many miles can she drive in 1 minute?
mojhsa [17]

Answer:

1 1/2  OR 1.5 in decimal form

Step-by-step explanation:

If Mrs. Roberts drives 3/4 miles in half a minute, 1/2 x what = 1? 2. Multiply both items by 2. 3/4 x 2 = 6/4, also known as 1 1/2 or 1.5 Hope this helped!!

5 0
3 years ago
5 + (9) (6) - 4 = I want an explanation too not too long.
Korvikt [17]

9 x 6 = 54

54 - 4 = 50

50 + 5 = 55

i think, your question isn't very clear

7 0
3 years ago
Find the Total surface area of the triangular prism below.
zaharov [31]

Answer:

The surface area of any prism is the total area of all its sides and faces. A triangular prism has three rectangular sides and two triangular faces. To find the area of the rectangular sides, use the formula A = lw, where A = area, l = length, and h = height. To find the area of the triangular faces, use the formula A = 1/2bh, where A = area, b = base, and h = height. Once you have the areas of all sides and faces, you simply add them together to get the surface area.

Step-by-step explanation:

Formula

Area of a triangle

A = 1/2bh

Area of a rectangle  

A = lw

Surface area of triangular prism  

SA = bh + (s1 + s2 + s3)H

Hope it helps... Please mark as the Brainliest!!!

8 0
3 years ago
Please I need help now with explanation Its due and am stuck 45 > 12t + 3(t -8) - 6
abruzzese [7]

Answer:

5>t

Step-by-step explanation:

45 > 12t + 3(t -8) - 6 multiply 3 times t-8

1) 45 > 12t + 3t - 2 - 6 combine alike terms

2) 45 >  15t - 30 isolate the variable by adding 30

3) 75 > 15t divide by 15

4) 5 > t

3 0
3 years ago
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