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3 years ago

Please someone help me with this!!

Mathematics

1 answer:

KIM [24]3 years ago

5 0

Answer:

a,c

Step-by-step explanation:

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roberta deposited 4,790.23 into a saving account with an interest rate of 3.8% compunded twice a year. about how long will it ta

Margarita [4]

The answer to this question would be: 17 years
The interest rate is 3.8% compounded twice a year. The function of the saving account amount would be:
f(x)= 4,790.23* (1+ 0.038/2)^2x
f(x)= 4,790.23* (1.019)^2x

Then for f(x)= 9,000 the x value would be:
9,000= 4,790.23* (1.019)^2x
9,000/4,790.23= (1.019)^2x
1.8788= (1.019)^2x
2x=34
x=17

7 0

4 years ago

Read 2 more answers

Your high school freshman class consists of 760 students. In recent years only 4 out 7 students actually graduated in four years

Art [367]

760 total students....4 out of 7 graduated...3 out of 7 didn't

so 4/7(760) = 3040/7 = 434.28 <== so approx. 434 will graduate
and 3/7(760) = 2280/7 = 325.7...and approx. 326 won't graduate

6 0

4 years ago

How do you find the perimeter of a shape?

olga nikolaevna [1]

add up all of the sides together. the perimeter is the outside length of a shape.

3 0

3 years ago

Find the value of x in the triangle shown below.

ser-zykov [4K]

Answer:

X = 30

Step-by-step explanation:

Because every triangle adds to the total of 180

so 102+48=150 and 180-150=30

Hope this helps

3 0

3 years ago

Read 2 more answers

AGENTHAMMERX I NEED YOUR HELP PLEASE

slavikrds [6]

Answer:

2nd Option: x + y = -1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I/Geometry

Plug 'n' Chug
Graphing and Eyeballing

Step-by-step explanation:

Since Point A is included in the altitude, we must have an equation that has to make Point A a solution set in the equation.

Pluging in and chugging Point A into each equation should tell us what the equation should be.

Option 1

x - y = 1

-3 - 2 = 1

-5 ≠ 1

We see here that -5 does not equal to 1. Therefore option 1 is incorrect.

Option 2

x + y = -1

-3 + 2 = -1

-1 = -1

We see here that -1 does equal to -1. Therefore option 2 is correct.

Option 3

x + y = 1

-3 + 2 = 1

-1 ≠ 1

We see here that -1 does not equal to 1. Therefore option 3 is incorrect.

Option 4

x - y = -1

-3 - 2 = -1

-5 ≠ -1

We see here that -5 does not equal to 1. Therefore option 4 is incorrect.

We can also graph the points and eyeball it. Doing so, we should see that our y-intercept is around -1 and our slope is also negative. Option 2 would be the best fit.

6 0

3 years ago