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jeka94
3 years ago
14

What expression has a negative value?7+3(-4)(2)-2[12/(-3)](15-7)-(9/3)-5[7+(-14)]-30

Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

7+3(-4)(2)= -17

Step-by-step explanation:

7+3(-4)(2)

(-4)*2=-8

∴ 7+3(-8)= 7-24

= -17

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What is the value of n when n = 2 ?
lys-0071 [83]

Answer:

2

Step-by-step explanation:

Is there an expression you need to solve?

n = 2 so the value would be 2

3 0
2 years ago
If the interest rate is 7%, how many years will it take for your bank balance to double from $1,000 to $2,000?Enter the followin
svlad2 [7]

Answer:

It will take 14.29 years for your bank balance to double from $1,000 to $2,000.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

T = E + P.

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We have that P = 1000, I = 0.07

We want to find t when E = 1000, so T = P + E = 2000.

E = P*I*t

1000 = 1000*0.07*t

t = \frac{1}{0.07}

t = 14.29

It will take 14.29 years for your bank balance to double from $1,000 to $2,000.

8 0
3 years ago
Dennis spent $5 less on lunch than he spent on dinner. Dennis spent at most $12 on dinner. Write and solve an inequality to find
Vinil7 [7]
12>x-5 is the answer your looking for. Make sure to put a line under the more than sign, my computer wouldn't allow me to plug that part in.
7 0
3 years ago
An angle measures 148° more than the measure of its supplementary angle. What is the measure of each angle? AND DONT PLAGERISE!!
Usimov [2.4K]

Answer:

Step-by-step explanation:

Supplementary angles add up to 180°.

“θ is 148° more than its supplement”

Supplement of θ = 180°-θ

θ = (180°-θ) + 148°

2θ = 328°

θ = 164°

Supplement of θ = 180°-164° = 16°

6 0
2 years ago
Myras stamp collection consisted of 120 stamps in October by the following March her collection had grown to 138 stamps by how m
Karolina [17]
The answer is 18. Just take the number that comes later and simply subtract from the original number. EXAMPLE- 138-120=18. Hope this helps.
8 0
3 years ago
Read 2 more answers
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