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vladimir1956 [14]
3 years ago
14

I need help on this question

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Clockwise 90 is the same as counterclockwise 270. Since 270+90=360, going 270 degrees one way is the same as going 90 degrees the other way.

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Which condition is MOST likely to be true of an observational study on human subjects?
vodomira [7]
A because all of the other ones are weong
8 0
3 years ago
What is the value of x in the problem ?
Elis [28]

Answer:

The x angle is 112 degrees

Step-by-step explanation:

<u>Step 1:  Find the adjacent angle to 134 </u>

134 + w = 180

w + 134 - 134 = 180 - 134

w = 46

<u>Step 2:  Find the last angle inside the triangle </u>

46 + 22 + x = 180

68 + x = 180

x + 68 - 68 = 180 - 68

x = 112

Answer:  The x angle is 112 degrees

4 0
3 years ago
What number should be added to the expression x2 14x to change it into a perfect square trinomial?.
makkiz [27]

Answer:

  49

Step-by-step explanation:

When you look at the square of a binomial, you see ...

  (x +a)^2 = x^2 +(2a)x +a^2

The constant value (a^2) is <em>the square of half the x-coefficient</em>.

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Adding 49 gives ...

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8 0
2 years ago
Reduce to the lowest terms by canceling -14/9 times -3/7
maksim [4K]

Answer:

2/3

Explanation:

Given the below;

\frac{-14}{9}\times\frac{(-3)}{7}

We can see from the above that 9 is divisible by 3 and that 14 is divisible by 7, let's go ahead and reduce to the lowest term as shown below;

\frac{-14}{9}\times\frac{(-3)}{7}=\frac{-2}{3}\times\frac{(-1)}{1}=\frac{2}{3}

5 0
1 year ago
9 Quesions, 30 Points!!!! PLEASE HELP!
Sloan [31]
Note: I'm afraid I can't put the work for the answers, for lack of time =/
============================================================

1. 0 or -3

2. 0 or 4

3. -2 or 3

4. 0 or 1/2

5. -2 or 3

6. 0 or 5

7. 0 or 7

8. 0 or -2
============================================================

9. Substitute 0 for h in "h = -16x^2 + 16x" then solve for x
0 = -16x^2 + 16x

<span>Subtract -16x^2+16x from both sides.
</span><span>0−<span>(<span><span>−<span>16x2</span></span>+16x</span>)</span></span>=<span><span><span>−<span>16<span>x2</span></span></span>+<span>16x</span></span>−<span>(<span><span>−<span>16x2</span></span>+16x</span>)
</span></span><span><span>16<span>x2</span></span>−<span>16x</span></span>=<span>0
</span>
Factor the left side of the equation
<span><span>16x</span><span>(<span>x−1</span>)</span></span>=<span>0
</span>
Set factors to equal 0
<span><span>16x</span>=<span><span><span>0<span> or </span></span>x</span>−1</span></span>=<span>0
</span>x = 0 or x = 1
3 0
3 years ago
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