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seraphim [82]
3 years ago
10

First gets brainliest! Please and thanks you :)

Mathematics
2 answers:
horrorfan [7]3 years ago
6 0

Answer:

3.72 × 10 to the power of 4

Step-by-step explanation:

firstly convert 2/5 to percentage form, which is 40%

then find 10% of earths distance from the sun so divide 93000000 by 10 to get 9300000

multiply that by 4 to get 37200000

standard form = 3.72 × 10 to the power of 7

erma4kov [3.2K]3 years ago
3 0

Answer:

Its B

Step-by-step explanation:

93000000 times 2/5 is 37200000 aka 3.72 times 10 to the 7th power

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Write 0.2 as a fraction in simplest form.
vredina [299]

Answer:

1/5

Step-by-step explanation:

4 0
3 years ago
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Using FOIL method. Multiply the terms. (X^2 -7)(x^2 -4)
murzikaleks [220]

Answer:

x^4-11x^2+28

Step-by-step explanation:

  1. Set it up

x^2(x^2-4) -7(x^2-4)

    2. Multiply

x^4-4x^2-7x^2+28

    3. Simplify

x^4-11x^2+28

4 0
3 years ago
Please help, will give brainliest!
12345 [234]

Answer:

Step-by-step explanation:

In parallelogram, diagonals bisect each other

DP = IP

7x - 8 = 3x

7x       = 3x + 8

7x - 3x = 8

      4x = 8

       x = 8/4

     x = 2

NP = YP

3y = 7x - 2

3y = 7*2 - 2

3y = 14 - 2

3y = 12

y = 12/3

y = 4

6 0
3 years ago
Brian has 40000 to invest in a mix of corporate and municipal bonds. The corporate bond pays 10% simple annual interest and the
jonny [76]

Answer:

Sum of money invested in corporate bonds = 30,000

Step-by-step explanation:

Total sum = 40,000

The rate of interest for corporate bonds = 10 % = 0.1

The rate of interest for municipal bonds = 6 % = 0.06

Total interest = 3600

Let sum of money invested in corporate bonds = x

The sum of money invested in municipal bonds = 40000 - x

x × 0.1 × 1 + (40000 - x) × 0.06 × 1 = 3600

(0.1- 0.06)x + 2400 = 3600

0.04 x = 1200

x = 30,000

Since x =  sum of money invested in corporate bonds

So  sum of money invested in corporate bonds = 30000

4 0
3 years ago
ten granola bars and 12 bottles of water cost $23. 5 granola bars and four bottles of water cost $10. how much do one granola ba
pishuonlain [190]

Answer:

2.15

Step-by-step explanation:

Let g= cost of granola bars

b = cost of bottles of water


10g+12b =23

5g +4b = 10

I will solve this system by elimination

Multiply the second equation by -2


-2(5g +4b) = -2*10

-10g -8b = -20

Now we add this equation to the first equation to eliminate  g

-10g -8b = -20

10g+12b =23

---------------------

   4b = 3

b = 3/4

A bottle of water = $.75

Now we need to find g

5g+4b =10

5g +4(.75) = 10

5g +3 = 10

Subtract 3 from each side

5g +3-3 = 10-3

5g =7

Divide by 5

5g/5=7/5

g = 7/5

g = 1 2/5

g =1.40


We want the cost of one bottle of water and 1 granola bar

1g + 1b

1.4+.75

2.15

4 0
2 years ago
Read 2 more answers
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