3 years ago

HEEEEEEEEEEEEEEEEEEEEEELP 10 POINTS math vocab 2 questions

Mathematics

1 answer:

sergij07 [2.7K]3 years ago

6 0

Answer:

Number 1: Evaluate (A)

Number 2: Operator (B)

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Solve for x and y 100x + 50y = 200

Eva8 [605]

Answer:

x = 1 and y = 2

Step-by-step explanation:

because 100(1) + 50(2) = 100 + 100 = 200

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2 years ago

ANSWER THIS CORRECTLY FOR BRAINLIEST!!!! This is 8th grade algebra btw

gulaghasi [49]

Answer:

V = 2143.57

Step-by-step explanation:

To find the volume of a sphere you need to use this formula:

$V = \frac{4}{3}\pi r^{3}$

r = radius

Solve:

You need the radius from the diameter. Divide 16/2 which is

$V = \frac{4}{3}(3.14) 8^{3}$

V = 2143.57

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2 years ago

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What is the value of x?

vredina [299]

Answer:

x=30°

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3 years ago

PLEASE HELP 20 POINTS PLEASE HELP BROOO

Ulleksa [173]

Answer: 31700 sq mi

Step-by-step explanation: Well in order to find out the sq mi for Lake Superior you will add 7340 and 24360 which equals 31700 sq mi.

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2 years ago

Hector has 3/4 hour to spend his homework. He wants to spend 1/3 of this time on math homework, 10 minutes of his time on readin

DENIUS [597]

Answer:

20 minutes

Step-by-step explanation:

Remember that

$1\ h=60\ mi$

we know that

Hector has 3/4 hour to spend his homework

Convert to minutes

$\frac{3}{4}(60)=45\ min$

1) He wants to spend 1/3 of this time on math homework

To find out the time on math homework, multiply 45 minutes by 1/3

$45(\frac{1}{3})=15\ min$

2) He wants to spend 10 minutes of his time on reading homework

3) He wants to spend the remaining time on science homework

The time spend on math homework plus the time spend reading homework, plus the time spend on his science homework must be equal to 45 minutes

Let

x ----> the time spend on his science homework

$15+10+x=45$

Solve for x

$25+x=45\\x=45-25\\x=20\ min$

3 0

2 years ago