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3 years ago

Find the value of z - 13

Mathematics

1 answer:

leonid [27]3 years ago

8 0

The sum of the measures of the exterior angles of a polygon, taken one per vertex, is 360.

z - 13 + z + 10 + z = 360

3z - 3 = 360

3z = 363

z = 121

z - 13 = 121 - 13 = 108

Answer: z - 13 = 108 degrees

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The distance from Earth to the sun is about 9.3 × 10 7th power miles.

AURORKA [14]

Answer:

The distance from earth to sun is 387.5 times greater than distance from earth to moon.

Solution:

Given, the distance from Earth to the sun is about $9.3 \times 10^{7} \mathrm{miles}$

The distance from Earth to the Moon is about $2.4 \times 10^{5} \mathrm{miles}$

We have to find how many times greater is the distance from Earth to the Sun than Earth to the Moon?

For that, we just have to divide the distance between earth and sun with distance between earth to moon.

Let the factor by which distance is greater be d.

$\text { Now, } \mathrm{d}=\frac{\text { distance between sun and earth }}{\text { distance between moon and earth }}=\frac{9.3 \times 10^{7}}{2.4 \times 10^{5}}=\frac{9.3}{2.4} \times 10^{7-5}\\\\=3.875 \times 10^{2}=387.5$

Hence, the distance from earth to sun is 387.5 times greater than distance from earth to moon.

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Dominik [7]

Hello

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Choose all the expressions that are equal to 45,000 ÷ 90.

scZoUnD [109]

A and D is the answer

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tamaranim1 [39]

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Svet_ta [14]

Answer:

18-19= -1

Step-by-step explanation:

18-19=-1

Sweetheart, you cant subtract a smaller number from an bigger number or it will be a negitive number so the answer is -1

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