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3 years ago

Subtract 4.32 x 10^6 from 7.57 x 10^6. Show your work. Write your answer in index notation.

Mathematics

1 answer:

Schach [20]3 years ago

8 0

Answer:

3.25 × 10^6

Step-by-step explanation:

7.57×10^6 - 4.32 × 10^6

(7.57 - 4.32) × 10^6

3.25 × 10^6

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Help please help please

ANTONII [103]

Answer is C. 22

if you subtract 15 by 10, you get 5. so you can also subtract 27 by 5 and get 22

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3 years ago

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Martin is 6 years younger than his sister. The sum of their ages is no more than 22 years. use x represents Martin's sister's ag

Agata [3.3K]

Martins sisters age is 14 I got this My work (could be wrong)

Its pretty simple if they said Their sum of their ages is 22 all you have to do is 22-6= 14.

Hope this helps If you have any questions ask me in the comments :D

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3 years ago

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Find the value of x in the triangle shown below. x = 56° 99°

anyanavicka [17]

Answer:

x = 25 degrees

Step-by-step explanation:

All angles in a triangle should add up to 180 degrees. So to solve for x, set up an equation where all three angles added up equals 180.

180 = 99 + 56 + x

180 = 155 + x

25 = x

The unknown angle is equal to 25 degrees.

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3 years ago

Which fractions are equivalent to 10/12? Select each correct answer. 2/3 5/6 12/24 30/36 50/60 60/84

Yuri [45]

Answer:

[See Below]

Step-by-step explanation:

✦ Turn into decimals:

$\frac{10}{12}=0.83$

$\frac{2}{3} =0.67$

$\frac{5}{6} =0.83$

$\frac{12}{24} =0.5$

$\frac{30}{36} =0.83$

$\frac{50}{60} =0.83$

$\frac{60}{84} =0.71$

So $\frac{10}{12}$ ≈ $\frac{5}{6},\frac{30}{36},and,\frac{50}{60}$ .

~Hope this helps Mate. If you need anything feel free to message me.

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3 years ago

3x + 3y =15 and x = -3y -1

saul85 [17]

Answer:

(x, y) = (8, -3)

Step-by-step explanation:

You can substitute for x in the first equation:

3(-3y -1) +3y = 15

-6y = 18 . . . . . add 3 and simplify

y = -3 . . . . . . . divide by -6

x = -3(-3) -1 = 8 . . . . find x using the second equation

The solution to this system of equations is (x, y) = (8, -3).

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3 years ago