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anyanavicka [17]
3 years ago
10

Step by step to this please

Mathematics
2 answers:
vladimir1956 [14]3 years ago
6 0

Answer:

7

Step-by-step explanation:

1) Substitute the values of t, v, and w into the expression:

(-2)^{2} + (1)(3)

2) Simplify the terms:

(-2)^{2} + (1)(3)\\=4 + 3\\= 7

Drupady [299]3 years ago
6 0

Answer:

7

Step-by-step explanation:

-2^2+3

4+3

7

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Someone explain it please
Alina [70]

9514 1404 393

Answer:

  ∠A = 44°

Step-by-step explanation:

In order to find the measure of angle A, you need to know the value of the variable x. This means you need some relation that you can solve to find x.

Happily, that relation is "the sum of angles in a triangle is 180°." This means ...

  84° +(x +59)° +(x +51)° = 180°

  (2x + 194)° = 180° . . . collect terms

  2x = -14 . . . . . . . . . . divide by °, and subtract 194

  x = -7 . . . . . . . . . . . .divide by 2

Now, the measure of angle A is ...

  ∠A = (x +51)° = (-7 +51)°

  ∠A = 44°

4 0
3 years ago
Which of the following could be the equation of a parallel to the line y=4?
malfutka [58]

Answer:

y = 0 is parallel to y= 4 ..plz mark my answer as brainlist plzzzz if correct

3 0
3 years ago
Allen runs at an average rate of 9 mi/hr and walks at a average rate of 3 mi/hr. Write an equation in standard form to relate th
den301095 [7]

Answer:

The equation would be 30=12+9x.

Allen will Run for 2 hours.

Step-by-step explanation:

Given:

Total Distance traveled = 30 miles

Average rate of walking = 3 mi/hr

Average rate of running = 9 mi/hr

Time for walking = 4 hours

W need to find the time for running.

Solution:

Let Number of hrs required for running be 'x'.

Total Distance traveled is equal Distance Traveled in walking plus Distance traveled in Running

But Distance is equal Rate multiplied by Time.

Framing in equation form we get;

Hence Total Distance Traveled = Rate of walking × Hours of walking + Rate of Running × Hours of running.

Substituting the values we get;

30 = 3\times4 +9x\\\\30=12+9x

Hence The equation would be 30=12+9x

Solving above equation we get;

9x=30-12\\\\9x=18\\\\x=\frac{18}{9}=2\ hrs

Hence Allen will Run for 2 hours.

8 0
4 years ago
Given f(x)=2x-10 determine the value if f(x)=8
koban [17]

Answer:

f(x)=2x-10 ______(given)

f(x)=8 _______(given)

Therefore, according to the above problem

2x-10=8

2x=10+8

2x=18

x=18/2

<u>x=9</u>

<h3><u>9</u> is the right answer.</h3>
6 0
3 years ago
Read 2 more answers
How to use the numbers 4, 7, 3, and 9 to get the number 25 only using the operations multiplication, division, and addition
bearhunter [10]

Answer:

(9 x 7)/3 + 4

Step-by-step explanation:

9 x 7 = 63

63 divided by 3 is 21.

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5 0
3 years ago
Read 2 more answers
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