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SOVA2 [1]
3 years ago
10

7-3x=-4(2+x) pls answer this first correct answer i will mark as brainliest

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0

Answer:

x = -15

Step-by-step explanation:

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

7 - 3x = -8 -4x

7 + x = -8

x = -15

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If the simple interest on $5,000 for 4 years is $1,600, then what is the interest rate?
matrenka [14]

Answer:

0.08, or 8%

Step-by-step explanation:

The appropriate formula is i = p*r*t, where p is the principal, r is the interest rate as a decimal fraction, and t is the time in years.

We want to calculate r when i, p and t are known.

                                                           i

Solving i = p*r*t for r, we get r = ------------

                                                       p*t

The interest rate in this case is

        $1600

r = ---------------- = 0.08, or 8%

      $5000*4

8 0
3 years ago
PPPPPPPLLLLLEEEEAAASSEEE HHHEEELLLPPPPP!!!!!
VARVARA [1.3K]

Answer:

the answer is a

Step-by-step explanation:

2x +2(x-4)=87

2x+2x-8=87

4x-8=87

4x=95

x=95/4

8 0
3 years ago
A triangle with sides of lengths 16, 63, and 65 is a right triangle.
malfutka [58]
False I think it doesn't add up to 18
3 0
3 years ago
What is the period of the function F(x) = 2 cot(3x-1) ?
lakkis [162]
The period is pi/3
Have a nice day :)
8 0
3 years ago
Explanation and answer thanks
musickatia [10]
There would be 25 people in the line. 
There are 6 people between jane and ken
k - - - - - - j
there are 18 people ahead of jane including ken
- - - - - - - - - - -k - - - - - - j
and 13 people behind ken including jane
- - - - - - - - - - -k - - - - - - j - - - - - - 
if you add all of the dashes up from the row above, you will get your answer of 25 people in the line 
6 0
3 years ago
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