3 years ago

.072 ÷345.00 round nearest tenth

1 answer:

3 0

This is calculatro problem
0.000209
to round to tenth,
look at hundreth place
0.00
rounded we get
0.0

answer is 0.0 since it is very small

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What point is an x-intercept of the quadratic function f(x)=(x+6)(x-3)

Katyanochek1 [597]

X-intercept is (-6, 0) , (3, 0)

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3 years ago

The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?

Alex

Answer:

9 and 18

Step-by-step explanation:

$x+y=27\\x=2y\\2y+y=27\\3y=27\\y=27/3=9\\x=27-9=18$

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1 year ago

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Solve the system of equations. y = 2x y = x 2 – 15

inn [45]

Answer:

D. (–3, –6) and (5, 10)

Step-by-step explanation:

The system has equations:

$y=2x$ ...(1)

and

$y=x^2-15$ ...(2)

Equate both equations;

$x^2-15=2x$

Rewrite in standard form:

$x^2-2x-15=0$

We factor to obtain:

$(x+3)(x-5)=0$

By the zero product principle;

$(x+3)=0,(x-5)=0$

$\implies x=-3,x=5$

When x=-3, y=2(-3)=-6

This yields the ordered pair (-3,-6).

When x=5, y=2(5)=10

This yields the ordered pair (5,10).

The correct choice is D.

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2 years ago

If it is 8:50 a.m., what will the time be 4 hours and 20 minutes later?

Marina CMI [18]

Answer:

1:10 p.m.

Step-by-step explanation:

First, add 20 minutes to 8:50 a.m. That would be 9:10 a.m. Then, add the remaining 4 hours to the 9:10 a.m. to get your answer- 1:10 p.m.

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1 year ago

I need help pleasse

aniked [119]

X= 30

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1 year ago