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sergeinik [125]
3 years ago
13

Which is another way to write 7 × 10 = 70? A. 70 = 2 × 7 × 5 B. 70 = 2 × 7 × 10 C. 70 = 3 × 5 × 5 D. 70 = 3 × 4 × 10

Mathematics
2 answers:
Vesna [10]3 years ago
8 0
The answer is a.
Hope this helped :)
Art [367]3 years ago
6 0
The answer is A it is right
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Please help me ASAP it’s times THANK U
goblinko [34]

Answer:

Only choices C and D are solutions

Step-by-step explanation:

6x + 3y = -15

y = -2x - 5

6x + 3y = -15

6x + 3(-2x - 5) = -15

6x - 6x - 15 = -15

0 = 0

Since 0 = 0 is a true statement, both equations of this system are the same equation and represent a single line on the coordinate plane.

We need to check each choice in just one equation.

Let's use the second equation.

y = -2x - 5

A.

(2, 7)

7 = -2(2) - 5

7 = -4 - 5

7 = -9   False

Not a solution

B.

(5, 0)

0 = -2(5) - 5

0 = -10 - 5

0 = -15     False

Not a solution

C.

(-3, 1)

1 = -2(-3) - 5

1 = 6 - 5

1 = 1   True

Solution

D.

-13 = -2(4) - 5

-13 = -8 - 5

-13 = -13    True

Solution

Answer: Only choices C and D are solutions

7 0
3 years ago
What is the value of x in this figure?
Arte-miy333 [17]

Answer:

x=48°

Step-by-step explanation:

We two lines cross over each other, making four angles, the angles opposite each other are equal. They're called vertically opposite angles.

8 0
2 years ago
Read 2 more answers
The wavelength of green lights is about 0.00000051 meter. What is the estimated wavelength as a single digit times a power of 10
kari74 [83]

<em><u>Answer:</u></em>

<h2>5.1 X 10^-7</h2>

<u><em>Reason:</em></u>

It is to the -7 because you would have to move the decimal left (-) 7 times to get the original 0.00000051.

Hope this helps! ;)

6 0
3 years ago
What function is graphed below?<br><br><br><br> y = 2x<br> y = x + 3<br> y = 2x + 3<br> y = 2x + 2
vagabundo [1.1K]

Answer:

y=2x+3

Step-by-step explanation:

The coefficient has to be 2, since the graph has a slope of 2, and the constant has to be 3 because the y- intercept is 3.

y=2x+3

3 0
3 years ago
Read 2 more answers
In a race, a bicyclist travels 180 miles in 10 hours what is the unit rate in miles per hour? Question A 9 Miles per hour Questi
Svet_ta [14]
18 mph. Answer B is the correct answer
8 0
3 years ago
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