3 years ago

Please i really need help

Mathematics

1 answer:

valkas [14]3 years ago

4 0

X -2 0 2 4
y 13 4 5 1

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Im not understanding this and its making me frustrated can u help me?

vampirchik [111]

Answer:

Step-by-step explanation:

If the dot it open, it does not include the number. If the dot is shaded, it does include the number. Whichever way the orange line is pointing, corresponds to < or >.

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What is the mixed number to 42/6

bulgar [2K]

42/6 is 42 divided by 6 which is equal to 7.

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4 years ago

Determine the similarity ratio for each pair of similar solids.

Lostsunrise [7]

Answer:

a) $k = \frac{7}{4}$

b) ${k} = \frac{13}{9}$

Step-by-step explanation:

a) The similarity ratio is given by;

${k}^{2} = \frac{image \: size}{corresponding \: object \: size}$

This implies that:

${k}^{2} = \frac{78.4}{25.6}$

This simplifies to:

${k}^{2} = \frac{49}{16}$

Take positive square root:

${k} = \sqrt{ \frac{49}{16} }$

$k = \frac{7}{4}$

Therefore the similarity ratio is:

$k = \frac{7}{4}$

b) This time the size are in volumes: We still use the same approach. But this time:

${k}^{3} = \frac{175.76}{58.32}$

${k}^{3} = \frac{2197}{729}$

Take cube root:

${k} = \sqrt[3]{\frac{2197}{729} }$

${k} = \frac{13}{9}$

The similarity ratio is

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4 years ago

I'll give you brainliest answer... please help! Thank you.

Marina CMI [18]

First lets find the area of the circle: Pi*r^2

3.14*16

50.24

now lets find the rectangle: l*w

3*2=6

subtract 6 from 50.24 to get 44.24

the area shaded is 44.24

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What is the exact value of sin 30° ?

Amanda [17]

Use unit circle, sin 30° = 1/2

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3 years ago