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WITCHER [35]
3 years ago
11

Item 9 Evaluate (3−1) 3 +7(6)− 5 2 (3−1)3+7(6)−52 .

Mathematics
1 answer:
krok68 [10]3 years ago
6 0
The answer this problem is -247
You might be interested in
The stopping distance of a car is modeled by the function d = 0.05r(r + 2) where d is the stopping distance of the car measured
adell [148]

Answer:

The car was moving approximately at a speed of 37.74 miles per hour.

Step-by-step explanation:

We are given the following in the question:

The stopping distance of a car is given by

d = 0.05r(r + 2)

where d is the stopping distance in feet and r is speed of the car in miles per hour.

The stopping distance is 75 feet, we have to find the speed of the car,

Putting d = 75 in the equation, we get,

75 = 0.05r(r + 2)\\r^2 + 2r = 1500\\r^2 + 2r-1500 = 0\\\\r =\dfrac{-2\pm \sqrt{4-(4)(1)(-1500)}}{2}\\\\r\approx -39.74,37.74

Thus, the car was moving approximately at a speed of 37.74 miles per hour.

3 0
3 years ago
Are -4 ( x - 6) and -4 • x - 4 • 6 equivalent
tekilochka [14]

Answer:

 no

Step-by-step explanation:

Lets solve the first half.

-4 ( x - 6) = -4x + 24

Second one:

-4 times x - 4 times  6 = -4x -24

Now compare.....Not the same right??

So your answer is:  no

Hope this helps :)

7 0
3 years ago
Which is a simplified form of the expression 6(2t – 3) + 3(t + 5)?
faust18 [17]

Answer:

it's option D.

Step-by-step explanation:

see attachment in case u need steps

8 0
3 years ago
Read 2 more answers
What is 35.125 as a mixed number??
Sever21 [200]
The number can be separated into 35+0.125
0.125 can be rewritten as,
\frac{125}{1000}
So, the number can be rewritten;
35+\frac{125}{1000}
35\frac{125}{1000}
5 0
3 years ago
HELP ASAP!!! WILL GIVE BRAINLEIST!!!
netineya [11]

Answer:

The first question is (n*8) - 4

The second question is no.

Step-by-step explanation:

The first question, you add 8. The first is 1. 1 * 8 = 8 - 4 = 4.

Therefore, the equation is (n*8) - 4

The second question, you can plug in numbers. You can solve for a term.  -100 + 17 = -83. -83 is not a multiple of -4. -100 is not a term.

8 0
3 years ago
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