Mathematics » Page 17

Mathematics

3 8ths as a percent

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Mathematics

I think of a number and multiply it by 4. I then add 8 and I'm left with an answer of 30. What number did I think of? Form and solve an equation to find the number.

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Mathematics

What are three rational numbers that have a value between 1 and 1.5?

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Mathematics

Jenny's soccer team is raising mony for a tournament. lt has raised $350 so far. lt needs to raise at least $800. which solution describes how much more money the team needs to raise to reach its goal? a. * 450 c. x _450

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Mathematics

What can you infer about elements that are in the same group?

a. they will have the same atomic mass

b. they will display similar chemical and physical properties

c. they will contain the same number of protons

d. they will emit x rays of similar frequency

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Mathematics

Find the volume of a right circular cone that has a height of 9.5 m and a base with a circumference of 10 m. Round your answer to the nearest tenth of a cubic meter.

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Cassandra Harmon

Mathematics

Function notation (2)

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Mathematics

Is (2, 5) a solution to this system of equations?

x + 2y = 12

2x + 2y = 14

yes or no

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Mathematics

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition

x + y = 7

2x + y=

Multiply the first equation by - 1 and add the equations together.

Multiply the second equation by - 1 and the first equation by - 1, then add the equations together.

Multiply the second equation by - 1 and add the equations together.

Multiply the first equation by - 2 and add the equations together.

Multiply the first equation by 2 and the second equation by - 1, then add the equations together

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Mathematics

A father is 60 years old and his son is half his age. how old was the boy when his father was four times his age?

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Mathematics

Solve 24x+2y=48 for y

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Mathematics

Let p: A triangle is acute.

Let q: A triangle is equilateral.

If q is true, which statements must be true? Select three options.

p ∨ q

p ∧ q

p → q

q → p

q ↔ p

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Mathematics

1/2 and 0.8 which is bigger

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Mathematics

1/2 divided by 1/3 and simplified

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Mathematics

So far this semester, Zachary has test scores of 92, 98, 65, 77, 91, and 85. He has one more test to take before the semester ends. What must he score on the last test to earn an average of 85 for the semester? Type a numerical answer in the space provided.

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