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3 years ago

9. ______________ Consists of the Sun and everything that orbits the Sun

Mathematics

2 answers:

xeze [42]3 years ago

6 0

Answer:

Step-by-step explanation:

9.) Solar System

10.) Planet

11.) Gravity

12.) Asteroid belt

13.) Newtons

14.) Orbit

15.) Mass

16.) Sun

GalinKa [24]3 years ago

4 0

SO uh. 9. is either the solar system or radiant energy or mercury. 10. is a moon. 11. is gravity? 12. is the earth. 13. is matter or volume or mass? 14. is magnitism? 15. is volume or mass. 16. is the moon.

I don't know how to explain that. Hopefully I got most of them right.

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Just number 2 please i’ve tried many times... i need an equation and the answer :)

Triss [41]

Keller collected $62.48 and Izzy collected $47.83 and J collected $19.98

Step-by-step explanation:

Step 1; Assume that J collected $x, Keller collected $y and Izzy collected $z. All three combined collected $125.95, so

x + y + z = 125.95, take this as equation 1.

From the given data, the following equations can be formed.

y = 42.50 + x or x = y - 42.50 take this as equation 2 and

y = 15 + z, take this as equation 3.

Step 2; Now we must determine x and y in terms of z, so that equation 1 can be solved (the equations can be in terms of any term x, y or z.)

Rearranging equation 2 and 3,

we get 15 + z so x = y - 42.50, y = x = 15 + z - 42.50, take this as equation 4,

If we substitute equations 4, 2 in 1, we get

(15 + z - 42.50) + (15 + z) + z = 125.95,

3z - 12.5 = 129.95,

3z = 142.45, so z = 47.833.

Substitute z = 47.833 in equation 3.

y = 15 + 47.8333 = 62.4833.

Substitute y = 62.4833 in equation 2,

x = 62.4833 - 42.50 = 19.9833.

Rounding of the values of x,y, and z to nearest hundredth we get

x = $19.98, y = $62.48 and z = $47.48.

7 0

3 years ago

2. Half of Robert's piece of wire is equal to of Maria's wire. The total length of their wires is 10 feet. How much longer is Ro

Aleonysh [2.5K]

Step-by-step explanation:

Given that,

Half of Robert's piece of wire is equal to of Maria's wire i.e.

$\dfrac{R}{2}=M$ ....(1)

Total length of the wires = 10 feet

ATQ,

$R+M=10$ ....(2)

Use equation (1) in (2).

$R+\dfrac{R}{2}=10\\\\\dfrac{3R}{2}=10\\\\R=\dfrac{20}{3}\\\\R=6.67\ ft$

So,

$M=\dfrac{6.67}{2}\\\\M=3.33\ ft$

Hence, this is the required solution.

6 0

3 years ago

The value -2 is a lower bound for the zeros of the function shown below.

Juliette [100K]

Answer:

a) true

Step-by-step explanation:

The bottom-line numbers from synthetic division <em>alternate signs</em>, indicating that -2 is a lower bound. The given statement is true.

If the signs were all positive, it would indicate the proposed zero is an <em>upper bound</em>.

A graph shows all real zeros are greater than -2.

4 0

3 years ago

Two automobiles start together from the same place and travel along the same route. The first averages 40 miles

natita [175]

Answer:

A. (55 x 5) - (40 x 5)

Step-by-step explanation:

You are solving how much miles (further along) would the second car be after 5 hours.

The first car averages 40 miles per hour. 5 hours later, it will have averaged about 200 miles in 5 hours (40 x 5 = 200).

The second car averages 55 miles per hour. 5 hours later, it will have averaged about 275 miles in 5 hours (55 x 5 = 275)

Subtract: 275 - 200 = 75

The second car would have averaged 75 more miles than the first car.

4 0

3 years ago

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There are 25 computers in a math lab. There are 6 activity books for every 2 computers in the math lab. How many activity bookle

kondaur [170]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers