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viktelen [127]
3 years ago
6

Molly opened a bank account. She deposited $86.50 into her account every month for 20 months. She used $24.50 every month to pay

for singing lessons. After 20 months, she used 1 over 4 of the total money left in her account to go to a summer camp for singers. What is the total amount of money Molly spent to go to the summer camp?
Mathematics
2 answers:
OLga [1]3 years ago
7 0

Answer:

A. $310

Step-by-step explanation:

labwork [276]3 years ago
5 0
Molly used $310 to go to summer camp.
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Suppose that a cylinder has a radius of r units, and that the height of the cylinder is also r units. The lateral area of the cy
horrorfan [7]

Answer:

r = 7.33 units

Step-by-step explanation:

Given that,

A cylinder has a radius of r units, and that the height of the cylinder is also r units.

The lateral area of the cylinder is 338 square units.

We need to find the value of r.

The formula for the lateral area of the cylinder is given by :

A=2\pi rh

Put all the values,

2\pi r^2=338\\\\r=\sqrt{\dfrac{338}{2\pi}} \\\\r=7.33\ unit

So, the value of r is equal to 7.33 units.

6 0
3 years ago
What is 3.01 as a mixed number
Montano1993 [528]
3.01 as a mixed number is 3 and 1/100
It is 1/100 because the 1 is in the hundredths place
6 0
3 years ago
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What expression shows 4 less than a number?<br> A. n + 4<br> B. n - 4<br> C. 4 - n<br> D. n(4)
Elis [28]

Answer:

B

Step-by-step explanation:

Because the expression in b is saying whatever number n is say 9 then your subtracting 4 by N or like I said take 9 for an example which=5

hope it helps

3 0
2 years ago
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Solve the system of equation
kherson [118]

Answer:

The answer to your question is:

x = -10; y = 8

Step-by-step explanation:

Solve equations by elimination method                          

                                              2x + 3y = 4    (1)

                                               x + 2y = 6    (2)

Multiply 2 by -2

                                              2x + 3y = 4

                                             -2x - 4y = -12

                                                    -y = -8

                                                     y = 8

Substitute y in (2)

                                             x + 2(8) = 6

                                            x = 6 - 16

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8 0
3 years ago
URGENT ANSWER NOW In △ABC, A=59∘, a=20, and c=21. What are the two possible values for angle C to the nearest tenth of a degree?
PilotLPTM [1.2K]

Answer:

The two possible values of C are 64.2° and 115.8°

Step-by-step explanation:

* In ΔABC

- a, b, c are the lengths of its 3 sides, where

# a is opposite to angle A

# b is opposite to angle B

# c is opposite to angle C

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* To find the distance m∠C we can use the sin Rule

- In any triangle the ratio between the length of each side

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∴ sin(C) = 21 × sin(59) ÷ 20 = 0.9000256657

∴ m∠C = sin^-1(0.9000256657)  = 64.16144°

∴ m∠C = 64.2°

∵ The value of sin(C) is positive

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∴ The other measure of ∠C = 180 - 64.2 = 115.8

* The two possible values of C are 64.2° and 115.8°

6 0
3 years ago
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