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Alexus [3.1K]
3 years ago
9

Write a direct or inverse variation equation for each relation.

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
6 0

Answer:

6 it is 6

Step-by-step explanation:

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Cuanto me da como resultado
Likurg_2 [28]

Step-by-step explanation:

1) (-4)^2{\cdot}(-4)

We know that, a^x{\cdot}a^y=a^{x+y}

(-4)^2{\cdot}(-4)=(-4)^{2+1}\\\\=(-4)^3\\\\=64

2) (-2)^5{\cdot} (-2)^3

Again using above property,

(-2)^5{\cdot} (-2)^3=(-2)^8\\\\=256

3) 5^{-3}

We know that,

a^{-x}=\dfrac{1}{a^x}

So,

5^{-3}=\dfrac{1}{5^3}\\\\=\dfrac{1}{125}

4) 2.5^2=2.5\times 2.5\\\\=6.25

Hence, this is the required solution.

4 0
3 years ago
Drag each figure to show if it is similar to the figure shown or why it is not similar
Margarita [4]

Answer:

Step-by-step explanation:

The given figure is a rectangle having length = 9 yd and width = 3 yd

Now we will check each figure

Figure one- rectangle with length = 18 yd and width = 9 yd

For similarity of both rectangles ratio of length should be equal to ratio of widths.

\frac{3}{9}\neq\frac{9}{18}

So rectangles are not similar.

Figure 2- rectangle with length = 3 yd and width = 6 yd

\frac{9}{3}\neq \frac{3}{6}

So figures are not similar.

Figure 3 - rectangle with length = 3 yd and width = 1 yd

\frac{9}{3}=\frac{3}{1}

Therefore, figures are similar.

Figure 4 -rectangle with length = 8 yd and width = 2 yd

\frac{3}{2}\neq \frac{9}{8}

So given rectangles are not similar.

Figure 5 - rectangle with length = 18 yd and width = 6 yd

\frac{9}{18}=\frac{3}{6}

So rectangles are similar.

Figure 6 - trapezoid with larger base = 18 yd and height = 6 yd

Since shapes of the given figures are not same so they are not similar.

8 0
3 years ago
If an object goes from 50 mph to 30 mph in 5 seconds, what is its acceleration?
Viktor [21]

Answer:

-4 mph/sec

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the distance from -2 to 1.5 on the number line
Inga [223]
3.5 because you turn the negative into the positive and add the 1.5
8 0
3 years ago
A lotion is made from an oil blend costing $1.50 per ounce and glycerin costing $1.00 per ounce. Four ounces of lotion costs $5.
Svet_ta [14]

Answer:

A (4-g)1.5

Step-by-step explanation:

hope this helps if you need a explanation just ask in the comments and I will.

8 0
3 years ago
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