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Rom4ik [11]
4 years ago
13

What's -3a(5a-7) ? I can't figure It out .

Mathematics
2 answers:
DochEvi [55]4 years ago
6 0
I think maybe -15 but I’m not sure
steposvetlana [31]4 years ago
3 0
It is - 15 a ^ 2 + 21 a.
You use distributive property
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What is (-100)a×56 and thanks​
Stella [2.4K]
Hey there!
First, we will multiply -100 by a.
-100 x a = -100a
Now we have:
-100a x 56
Let’s multiple this as well.
-100a x 56 = -5600a
Your answer is -5600a.
Hope this helps!
4 0
3 years ago
URGENTTT!!! NEED HELP ASAP!!! (WILL MARK BRAINLIEST FOR CORRECT ANSWER)
Mariana [72]

Answer:

112.41

Step-by-step explanation:

9 percent of 1,249 is 112.41

3 0
3 years ago
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Simplify negative 5 and 1 over 6 − negative 8 and 1 over 2
Tomtit [17]

Answer:

Hi there!

Your answer is;

17/6 <em><u>OR</u></em> 2 & 5/6

Step-by-step explanation:

(-5+1)/6 - (-8+1)/2

First, simplify in parentheses!

-4/6 - -7/2

Next, change the symbol of 7/2 because two negatives make a positive!

-4/6 +7/2

Next, change the denominators so they both have the same

-4/6 + 7/2

× 3/3

-4/6 + 21/6

Simplify!

17/6

<u>OR</u>

2 & 5/6

Hope this helps

4 0
3 years ago
F(x) = 2 sin x- tanx is not a sinusoid.
OLga [1]

Answer:

True

Step-by-step explanation:

4 0
3 years ago
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There are 32 valentines cards in a box. Alesha signed 1/2 of the valentines cards and Samuel signed 3/8 of them. How many cards
Allisa [31]
28 cards were signed
3 0
3 years ago
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