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Semmy [17]
2 years ago
5

Solve for X -6 (4x + 4) = 28 -(10 + 3x) = 44 ¾ (12x – 4) = 12

Mathematics
1 answer:
guapka [62]2 years ago
7 0

Answer:

1.)  Exact form:  x  = -13/6

   Decimal Form: x = -2.6 ( repeated )

   Mixed number form: x = -2  1/6

2.) x = -18

3.) Exact form: x = 5/3

   Decimal Form: x = 1.6 ( repeated )

   Mixed Number form: x =  1  2/3

Step-by-step explanation:

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Simplify cos^-1 (sqrt 3/2)<br><br> A. 60° <br> B. 30° <br> C. 240° <br> D. 150°
Fantom [35]
B.) 30 degrees would be correct here
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3 years ago
Please can anyone help me?
hoa [83]
i’m pretty sure the answer would be 1) linear :D
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3 years ago
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A rectangular magazine cover is photocopied by using a scale factor of One-third. The length of the photocopy of the magazine co
seraphim [82]

Answer: "reduced by a factor of One-third."

Step-by-step explanation:

Suppose that the original magazine has a length L and a width W.

If it is photocopied using a scale factor of K, then the measures of the photocopy will be:

length = K*L

Width = K*W

In this case, the scale factor is K = 1/3, then the measures of the photocopy will be:

length = (1/3)*L = L/3

Width = (1/3)*W = W/3

For usual notation:

When k > 1, we have an enlargement by a factor k

when 0 < k < 1, we have a reduction by a factor k

in this case, k = 1/3, then:

We have a reduction by a factor of 1/3

The correct option is:

"reduced by a factor of One-third."

7 0
3 years ago
Read 2 more answers
Please help ! This is 7th grade math and I’ve been stuck on this question for 30 minutes!
FinnZ [79.3K]

\dfrac{1}{22}\:\dfrac{\text{in}}{\text{hr}}

Step-by-step explanation:

The amount of time from 10pm to 7am is 9 hours. However, the time indicated is 7:10am. Since there are 60 minutes in an hour, 10 min is equal to 1/6 of an hour. Therefore, the total time that the water level of the pool decreased is 9\frac{1}{6} hours or \frac{55}{6} hours. To find the rate at which the water level decreased, we divide the change in the water (in inches) by the time it took to reach that level. So we write

rate of change = \dfrac{\text{change\:in\:height}}{\text{change\:in\:time}}

\:\:\:\:\:\:\:= \dfrac{\frac{5}{12}\:\text{in}}{\frac{55}{6}\:\text{hrs}}

\:\:\:\:\:\:\:=\dfrac{5}{12}\cdot\dfrac{6}{55}\:\dfrac{\text{in}}{\text{hr}}

\:\:\:\:\:\:\:= \frac{1}{22}\:\dfrac{\text{in}}{\text{hr}}

7 0
2 years ago
PLZZZ CHECK ME<br><br> Is this correct, if not please help me.
Gwar [14]
Hello! For this question, you solve using order of operations, which you probably already have remembered as PEMDAS. Anytime a number is raised to the 0 power, that is equivalent to 1. 0.5^0 is 1. 250 * 1 is 250. x = 0 gives us the answer of 250. Now, let's solve for the number by the second power. 0.5² is 0.25. 250 * 0.25 is 62.5. x² gives us 62.5. Now, let's subtract the two numbers together. 250 - 62.5 is 187.5. Because the number is decreasing, the slope is negative, so the answer is -187.5. Your answer is correct.
5 0
3 years ago
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