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2 years ago

What is 1000 rounded to the nearest ten?

Mathematics

1 answer:

Serga [27]2 years ago

5 0

Its 1000 cause its all zeros

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Find the x and y intercepts of the graph of the equation y=x^2-5

mr_godi [17]

Answer:

x intercepts -sqrt(5), + sqrt(5)

y intercept -5

Step-by-step explanation:

y = x^2 -5

to find the x intercept set y=0 and solve for x

0 = x^2-5

add 5 to each side

5 = x^2

take the square root of each side

+- sqrt(5) = sqrt(x^2)

x = +-sqrt(5) there are 2 x intercepts since it is a quadratic

to find the y intercept set x=0 and solve for y

y = 0-5

y = -5

8 0

2 years ago

The college student senate is sponsoring a spring break Caribbean cruise raffle, with proceeds going to the local homeless shelt

drek231 [11]

Answer:

The mathematical expectation of a student who purchases 10 tickets is -$39.65.

Step-by-step explanation:

A student that purchases 10 tickets out of 2900 has a probability of winning the cruise that can be calculated as:

$p=10/2900\approx0.00345$

Each ticket cost $5, so he has spent $50 for the 10 tickets.

Then, the expected value of this operation is equal to the expected value of the earnings (probability of winning the prize multiplied by the value of the prize), minus the costs:

$E(X)=p\cdot R-C\\\\E(X)=0.00345\cdot3000-50=10.35-50=-39.65$

The mathematical expectation of a student who purchases 10 tickets is -$39.65.

8 0

2 years ago

Help please anyone??

katovenus [111]

Answer:

147

Step-by-step explanation:

Suplementary angles add up to be 180

So 180-33 is 147

3 0

2 years ago

Read 2 more answers

jasenka [17]

Answer:

3.6 mph

Step-by-step explanation:

The total distance was 6 mi. and the total time was 5/3 hr.

6 ÷ 5/3 = 6(3/5) = 18/5 = 3.6 mph

6 0

2 years ago

Help me out please this is my sister's lol

nalin [4]

It's nice to help your sister.

a) 9711 rounds to 10000

b) 6549 rounds to 7000

c) 25499 rounds to 25000

d) 979501 rounds to 980000

5 0

2 years ago