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patriot [66]
3 years ago
11

An assembly was held for the 7th graders. When first entering the gym 5 out of 8 of the 7th grade boys had on hoodies. If 320 bo

ys attend the assembly , what is a reasonable amount of them that will be wearing hoodies?
140
200
180
160
Mathematics
1 answer:
Elis [28]3 years ago
3 0
200 guys have hoodies on
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What is 3 minus 3 times 6 plus 2?
Zina [86]
What is 3 minus 3 times 6 plus 2?

Write it out:-

3 - 5 × 6 + 2 = ?
3 - 30 + 2 = ?
-27 + 2 = 
-25 

<span>3 minus 3 times 6 plus 2 is -25. </span>
7 0
3 years ago
Read 2 more answers
250,000 grams is ________ kilograms. A) 0.25 B) 25 C) 250 D) 2500
alexira [117]
C) 250 is the right answer
3 0
3 years ago
A 100 gallon fish tank fills at a rate of x gallons per minute. The tank has already been filling for 5 minutes. the function f(
Alexxx [7]

Answer:

Shifted 5 unit right side then stretched vertically by the factor 100

Step-by-step explanation:

Here, parent function,

f(x)=\frac{1}{x}

Transformed function,

f(x) = \frac{100}{x-5}

Since, if a function f(x) gives cf(x), where c is any number,

Then the function was vertically stretched by factor c,

While, the function gives f(x-c),

Then the function was shifted c unit right.

Hence, the graph of f(x)=\frac{1}{x} was shifted 5 unit right side then stretched vertically by the factor 100 to create the graph of f(x)=\frac{100}{x-5}

4 0
3 years ago
A company needs $5,400,000 in 14 years in order to expand their factory. How much should the company invest each week if the inv
ludmilkaskok [199]

Answer: the company should invest $12191 each week

Step-by-step explanation:

The amount that the company needs is $5,400,000

We would apply the periodic interest rate formula which is expressed as

P = a/[{(1+r)^n]-1}/{r(1+r)^n}]

Where

P represents the weekly payments.

a represents the amount that the company needs

r represents the rate.

n represents number of weekly payments. Therefore

a = 5,400000

There are 52 weeks in a year

r = 0.079/52 = 0.0015

n = 52 × 14 = 728

Therefore,

P = 5400000/[{(1+0.0015)^728]-1}/{0.0015(1+0.0015)^728}]

5400000/[{(1.0015)^728]-1}/{0.0015(1.0015)^728}]

P = 5400000/{2.98 -1}/[0.0015(2.98)]

P = 5400000/(1.98/0.00447)

P = 5400000/442.95

P = $12191

3 0
3 years ago
the uniform distribution over the interval 8.5 to 11.5 gallons per minute. Find the probability that between 9.0 gallons and 10.
Tema [17]

Answer: 1/3

Step-by-step explanation:

Here is the complete question:

machine is set to pump cleanser into a process at the rate of 9 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the uniform distribution over the interval 8.5 to 11.5 gallons per minute. Find the probability that between 9.0 gallons and 10.0 gallons are pumped during a randomly selected minute.

The Probability of the above question will be calculated as:

= (10-9) / (11.5 - 8.5)

= 1/3

The above is the easier way to solve this

3 0
2 years ago
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