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Aleksandr-060686 [28]
3 years ago
11

Help please. thank you!

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0

Answer:

20t-120 is the correct answer.

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What integer is 12 times -5?
seraphim [82]

Answer:

The integer is -60

Step-by-step explanation:

Is means equals and times means multiply

W = 12* (-5)

W = -60

6 0
3 years ago
What is the answer to this question
stiv31 [10]
4(d-8)-5 = 9(d+2)+1

Assuming you're looking for d:

Use Distributive Property for both sides
4d-32-5 = 9d+18+1

Combine like terms
4d-37 = 9d+19

Take all d's to one side & numbers to other
-37-19 = 9d-4d

Simplify
-56 = 5d

Divide both sides by 5
d = -56/5

8 0
3 years ago
Read 2 more answers
Which of the following expressions represents "twelve diminished by six times a number"?
ahrayia [7]
Diminished means "made smaller", so in other words, subtracted. This makes the phrase "twelve subtracted by six times a number", or more simply "twelve minus six times a number".

Answer:
A. 12 - 6n
4 0
3 years ago
Read 2 more answers
Consider the function f(x)=x3+4x2+2. find the points where the tangent line is horizontal.
lions [1.4K]
Thinking about the graph of f(x), the rate of change is zero whenever there is an extremum.

First, differentiate f(x)

f'(x)=3x^2+8x

Next, find the zeros of f'(x) by factoring.

x(3x+8)=0  \\ x= \frac{-8}{3},x=0

Now, we substitute these x-values into the original equation to find the coordinates. 

(-2.667, 11.481), (0, 2)
6 0
3 years ago
A) Work out the size of angle x. b) Give reason for your answer.
enot [183]

A

x=75°

B

We know that ∠EFG=∠ABF because they are corresponding angles.

We also know that ∠x+∠ABF=180, because angles along a straight line always equal 180:

x+105=180

x=75°

6 0
3 years ago
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