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3 years ago

1. 15 2. 27 3. 75 4. 87

Mathematics

1 answer:

solong [7]3 years ago

6 0

Answer: the answer is 546

Step-by-step explanation: because 646 goes into 565 so 546 is the answer

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9000 for 5 years at 4.5% compounded monthly

tatuchka [14]

I think its 9000(1.045)^5. Hope this helps. That equals $11,215.60, or rounded to the nearest dollar, $11,215.

7 0

3 years ago

Anne is currently h years old. bill is currently 2h years old and Charles is currently eight years old. find an expression for e

Margarita [4]

Ann's age after h years is 2h

Bill's age after h years is 3h

Charles' age after h years is 8 + h

The sum of their ages after h years is 6h + 8

Step-by-step explanation:

The given is:

Anne is currently h years old

Bill is currently 2h years old

Charles is currently eight years old

We need to find an expression for each person’s age after h years and then find an expression for the sum of their ages after h years

∵ Ann is h years old now

∵ Her age after h years = her age now + h

∴ Her age after h years = h + h

∴ Her age after h years = 2h

Ann's age after h years is 2h

∵ Bill is 2h years old now

∵ His age after h years = his age now + h

∴ His age after h years = 2h + h

∴ His age after h years = 3h

Bill's age after h years is 3h

∵ Charles is 8 years old now

∵ His age after h years = his age now + h

∴ His age after h years = 8 + h

Charles' age after h years is 8 + h

Add their ages after h years

∵ The sum of their ages after 8 years = 2h + 3h + 8 + h

- Add like terms

∴ The sum of their ages after 8 years = (2h + 3h + h ) + 8

∴ The sum of their ages after 8 years = 6h + b

The sum of their ages after h years is 6h + 8

Learn more:

You can learn more about word problems in brainly.com/question/10557938

#LearnwithBrainly

7 0

3 years ago

Shirley wants to find the distance her unicycle moves on the sidewalk when the tire makes one complete revolution. If the diamet

Evgesh-ka [11]

Answer:

44 in

Step-by-step explanation:

The circumference of the tire will be the same as the distance the unicycle moves in one complete revolution.

Find the circumference with the formula C = $\pi$ d, where d is the diameter

Plug in the values:

C = $\pi$ (14)

C = approx. 44 in

6 0

3 years ago

HELP PLEASE

Gnesinka [82]

Answer: $x^2=8y$

Step-by-step explanation:

Let the given parabolic mirror opens upwards and vertex=(0,0)

Focus point of the parabolic mirror is located 2 inches from the vertex of the mirror. ∴ p=2

Since, the parabola opens upward, then the equation of the parabola is of the form $x^2=4py$

Substitute the value of p=2 in this, we get the equation of the parabolic mirror

$x^2=4(2)y\\\Rightarrow\ x^2=8y$

Hence, the equation of the parabola that models the cross section of the mirror is $x^2=8y$

7 0

3 years ago

Read 2 more answers

Explain a way to find each sum 8 + 4

amm1812

Since we are adding two positive numbers here, their sum could be found by writing either

8
+4
---
12

or

4
+8
---
12

6 0

3 years ago