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3 years ago

11

a group of 20 students and 4 adults are going on a field trip to the mueseum make a diagram to show the ratio of students and ad

ults ?

1 answer:

Leona [35]3 years ago

7 0

Answer:

20=5(4)

Step-by-step explanation:

make it a linear function make the x-axis adults and the y-axis students and for every 1 adullt go up by 5 student

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Interest rates of 5%,6%,8%, earned on investments of $13,000,$12,000,$4,000. Calculate total amount of interest earned

Mariana [72]

$13,000*0.05+12,000*0.06+4,000*0.08=1,690.00$

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3 years ago

currently there are 20 female senators and 80 Male senators serving in Congress. what percent of current Congress people are fem

kherson [118]

20%, there are 100 people so you base each person as a percentage.

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2 years ago

Solve for 2 unknowns : 3a+4b=9 ; 2a+2b=6

BARSIC [14]

Let us take the second equation first
2a + 2b = 6
Dividing both sides by 2 we get
a + b = 3
a = 3 - b
Putting the value of a in the first equation we get
3a + 4b = 9
3(3 - b) + 4b = 9
9 - 3b + 4b = 9
b = 9 - 9
= 0
Now putting the value of b in the second equation we get
a + b = 3
a + 0 = 3
a = 3
So the value of the unknown variable a is 3 and the value of the unknown variable b is 0.

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3 years ago

What is the annual compound interest rate for an investment account modeled by the function y=12⋅1.18t ?

NikAS [45]

Answer:

The interest rate for the given investment is 18%.

Step-by-step explanation:

We are given that,

The function representing the investment model is, $y=12(1.18)^t$ .

It is required to find the interest rate for the investment.

Since, the function can be re-written as,

$y=12(1.18)^t$

i.e. $y=12(1+0.18)^t$

So, on comparing with the formula for compound interest i.e. $A=P(1+r)^t$ , where 'r' is the interest rate.

We have that,

The interest rate for the given investment is 0.18 i.e. 18%.

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2 years ago

A sporting goods store sold 2.5 times as many footballs as basketballs last year. Which statement is true?

Yuri [45]

THE ANWSER IS 2 CAUSE U HAVE TO DIVIDE

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3 years ago

Read 2 more answers