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3 years ago

The area of a parallelogram can be found by the

Mathematics

1 answer:

Daniel [21]3 years ago

4 0

I think that it might be 7.87 sorry if i am wrong

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Find the distance along an arc on the surface of the earth that subtends a central angle of 6 minutes (1 minute = 1/60 degree).

bazaltina [42]

Answer:

6.914miles (to 3 decimal places)

Step-by-step explanation:

Length of an arc = θ/360 *2πr

angle subtended by arc at the center of the earth = 6 minutes

1 minute =1/60 degree

6 minute= 6/60 degree =0.1°

θ=0.1°

radius of earth = 3960 miles

distance along the arc = $\frac{0.1}{360}*2\pi *3960$

=6.9142857143miles

3 0

3 years ago

Match the numbers in standard notation with the corresponding numbers in scientific notation.

ankoles [38]

Answer:

a) 864,000,000,000 8.64E11

b) 8,640,000,000 8.64E9

c) 86,400,000,000,000 8.64E13

d) 864,000,000,000,000 8.64E14

Step-by-step explanation:

A scientific notation is a way to represent very large values into the decimal form.

Steps to write in scientific notation:

Move the decimal to left before first digit of the given number.

Find the number of times decimal is moved to left.

Put that number in the exponent of e.

So, matching:

a) 864,000,000,000 8.64E11

b) 8,640,000,000 8.64E9

c) 86,400,000,000,000 8.64E13

d) 864,000,000,000,000 8.64E14

8 0

4 years ago

1. What is the price per pencil if 145 pencils cost $12.00? (unit rate) *

nevsk [136]

Answer:

$12.08

Step-by-step explanation:

divide 145 by 12 and BOOM, you get 12.08

3 0

3 years ago

Solve the inequality:

yarga [219]

Answer:

its A

Step-by-step explanation:

Because m > 6/7. and if you do the sloving it will be 2 or greater

Hope that helped

follow if you need more help

3 0

3 years ago

The model represents an equation. What value of x makes the equation true?

Slav-nsk [51]

Answer:

A) 29/8

Step-by-step explanation:

On the left side of the equals sign, we have five x's and nine -1's.

On the right side of the equals sign, we have three -x's and twenty 1's.

Both sides are equal, so:

5(x) + 9(-1) = 3(-x) + 20(1)

5x − 9 = -3x + 20

Add 3x to both sides.

8x − 9 = 20

Add 9 to both sides.

8x = 29

Divide both sides by 8.

x = 29/8

5 0

4 years ago