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KIM [24]
3 years ago
10

Evaluate the expression when a = - 4.2 and b = - 3.9 . - 7b + 2a

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

-35.7

Step-by-step explanation:

1. Plug in a and b to the equation:

7(-3.9)+2(-4.2)

2. Evaluate: -35.7

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Which expression is equivalent to x6 – 9?
Cerrena [4.2K]

Answer:

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5 0
3 years ago
1. Determine the approximate measure of angle E.
Naddik [55]

Answer:

1. 81.0

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Step-by-step explanation:

7 0
3 years ago
Maria has already written  of her 1,000 word essay. If she continues writing at the same pace of 6 words per minute, which expre
neonofarm [45]
The first thing we must do in this case is to define variables:
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 Answer:
 
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8 0
3 years ago
Read 2 more answers
Please solve-y(2+4y)
Elina [12.6K]
To solve this, you distribute the -y to both terms, 2 and 4y.
It will look something like this: (2*-y)+(4y*-y)
When you simplify, look for any like terms that can be combined, and if none, then leave it as it is. 
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8 0
3 years ago
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