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ziro4ka [17]
3 years ago
10

The temperature is 40 below zero and remained that low for 8 days. What is the answer: a) 8, b) -8, c) 0, d) -40

Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0

Answer:

D) -40

Step-by-step explanation:

Any temperature described as below zero is negative. 40 below zero is -40.

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Given f(x) = 2 sin x, find the exact value of f (7pi/6) in simplest form with a rational denominator.​
IrinaVladis [17]

Answer:

           \bold{f(\frac{7\pi}6)=-1}

Step-by-step explanation:

f(\frac{7\pi}6)=2\sin(\frac{7\pi}6)=2\sin(\frac{7\pi}6)=2\sin(\pi+\frac{\pi}6)=-2\sin(\frac{\pi}6)=-2\cdot\frac12=-1

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When you reflect a shape, you (blank) over an axis or line.
igomit [66]

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poison

Step by Step Explanation

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How many radians is -135°
Yuri [45]

Answer:

-3/4 pi radians

Step-by-step explanation:

<em>180° is 1 pi radian</em>

Hence, -<em>135° = -135/180 pi radians</em>

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6 0
3 years ago
X^{2} -25=0 Please help meeee
-BARSIC- [3]

Answer:

x=5,x=-5

Step-by-step explanation:

x^2-25=0

Add 25 to both sides:

x^2-25+25=0+25

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x=\sqrt{25},\:x=-\sqrt{25} (Since a negative number multiplied by itself gives positive, there are two answers.)

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8 0
3 years ago
Read 2 more answers
Which statement best compares the value of the 4 in each of these numbers? A: 16.942 B: 9.214 A) (40 &lt; 400) The value of the
OleMash [197]

First, let us write the place values of 4 in A and B.

In A, the number is 16.942 and the place value of 4 is 0.04.

In B, the number is 9.214 and the place value of 4 is 0.004.

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Hence, statement C best compares the value of 4 in each number.

6 0
3 years ago
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