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LiRa [457]
2 years ago
8

Which of these expressions is equivalent to – 4(5 – 2x)?

Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
7 0

Answer:

-20+8x

Step-by-step explanation:

stira [4]2 years ago
4 0

Answer:

-20 + 8x

Step-by-step explanation:

-4(5-2x)\\\\-20+8x\\\\\left \{ {{-4 * 5 = 20} \atop {-4 * -2x = 8x}} \right.

Hope this helps.

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7x2 - 5x+3<br> + 2x2 + 7x-8
daser333 [38]

Answer:G

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Find each percent increase round to the nearest percent from $5 to $8
asambeis [7]
First subtract the two numbers:

8 - 5 = 3

Now divide this to the original:

3 / 5 = 0.6

Multiply by 100:

0.6 * 100 = 60%
7 0
3 years ago
Robin, who is self-employed, contributes $4500/year into a Keogh account. How much will he have in the account after 30 years if
pashok25 [27]

Answer:

The amount that would be in the account after 30 years is $368,353

Step-by-step explanation:

Here, we want to calculate the amount that will be present in the account after 30 years if the interest is compounded yearly

We proceed to use the formula below;

A = [P(1 + r)^t-1]/r

From the question;

P is the amount deposited yearly which is $4,500

r is the interest rate = 2.5% = 2.5/100 = 0.025

t is the number of years which is 30

Substituting these values into the equation, we have;

A = [4500(1 + 0.025)^30-1]/0.025

A = [4500(1.025)^29]/0.025

A = 368,353.3309607034

To the nearest whole dollars, this is;

$368,353

4 0
2 years ago
Write a fraction with a denominater of 6 that is greater than 4/2
Strike441 [17]
Anything over 12/6 will be greater than 4/2 such as 19/6 or 28/6
7 0
2 years ago
A school has an aquarium in each room. Each aquarium has 2 catfish for every 3 angelfish. How many fish are in an aquarium that
harkovskaia [24]
2 x ? = 6 catfish. (?=3) so multiply everything by 3......3 x 3 = 9 angelfish!!
8 0
2 years ago
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