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Anastasy [175]
4 years ago
5

Help with 8th-grade middle school math SHOW WORK

Mathematics
2 answers:
zalisa [80]4 years ago
6 0

Answer:

40

Step-by-step explanation:

solong [7]4 years ago
3 0
Your answer is 40 hope this helps
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-5w = -24.5 what is it. ​
pav-90 [236]

Answer:

w=4.9

Step-by-step explanation:

If you are solving for w, you want to isolate the variable. If it is easier to write it out, it would look something like this..

-5 x w = -24.5

To get w by itself, use the inverse of multiplication, which is division. Divide the expression to the left of the equal sign by -5. Remember, what you do to one side, you must do to the other. When you divide -24.5 by -5, you end up with

w=4.9

6 0
3 years ago
What is the property of 21 times 9 = 9 times 21
zaharov [31]
21 x 9 = 9 x 21 is the commutative property.
6 0
3 years ago
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Elect the correct answer.
NeX [460]

The answer to this question is (A) left.

8 0
2 years ago
The normal monthly temperatures (°F) for Omaha, Nebraska, are recorded below.
AfilCa [17]

Answer

y = 28 \sin(\frac{\pi}{6} - \frac{2\pi}{3}) + 49

Step by Step Explanation

Given

See attachment for table

Required

Determine the sinusoidal function

The sinusoidal function is represented as:

y = A \sin(Bx + C) + D

Where

|A| = Amplitude

And it is calculated as:

A = \frac{1}{2}[Highest - Least]

From the table:

Highest = 77 and Least = 21

So:

A = \frac{1}{2}[77 - 21]

A = \frac{1}{2}[56]

A = 28

B is calculated as:

Period = \frac{2\pi}{B}

The period is 12 i.e. 12 months

So:

\frac{2\pi}{B} = 12

B = \frac{2\pi}{12}

B = \frac{\pi}{6}

C is calculated as:

\frac{C}{B} = -4

C = -4 * B

C = -4 * \frac{\pi}{6}

C = -2 * \frac{\pi}{3}

C = -\frac{2\pi}{3}

Lastly, D is calculated as:

D = Least + A

So:

D =21 + 28

D=49

So, the function is:

y = A \sin(Bx + C) + D

y = 28 \sin(\frac{\pi}{6} - \frac{2\pi}{3}) + 49

8 0
3 years ago
jane and ken share some money in the ratio 5:3. ken's share is $16 less than jane's share. find each person's share
Vlad [161]

Answer:

10:6

Step-by-step explanation:

6 0
3 years ago
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