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3 years ago

HELP PLEASE NO RANDOM ANSWERS

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

4 0

Answer:

1. Answer is 162 2. Answer is 159.2

Step-by-step explanation:

In the first one we calculate both triangles by using and multiply it by 2 since we have 2 triangles

then we calculate the rectangle

and then we put them all together and get the answer which is 162.

in the second one we calculate the trapezoid then rhombus, then we put them together and get our answer which is 159.2

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Butoxors [25]

Answer:

There are 19 quarters and 8 dimes.

Step-by-step explanation:

We will let x denote the amount of quarters.

Since there are 27 coins in total, (27-x) will be the amount of dimes there are.

Since each quarter is worth $0.25, the total value of quarters is given by 0.25x.

And since each dime is worth $0.10, the total value of dimes is given by 0.1(27-x).

We know that the total value of all 27 coins is $5.55. So, we can write the following equation:

$0.25x+0.1(27-x)=5.55$

So, we will determine the value of x, the amount of quarters there are.

First, let’s multiply everything by 100 to remove the decimals. So:

$100(0.25x+0.1(27-x))=100(5.55)$

Distribute:

$25x+10(27-x)=555$

Distribute:

$25x+270-10x=555$

Combine like terms:

$15x+270=555$

Subtract 270 from both sides:

$15x=285$

Divide both sides by 15:

$x=19$

So, the value of x is 19.

This means that there are 19 quarters.

So, the amount of dimes must be 27-19 or 8 dimes.

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3 years ago

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What is the future value of $845 a year for seven years at an interest rate of 11.3 percent? $6,683.95 $6,075.69 $8,343.51 $8,00

k0ka [10]

The future value of cash whose initial value is $845, at the rate of 11.3% for 7 years will be calculated using the compound interest rate, that is:
A=p(1+r/100)^n
where:
A=future amount
r=rate=11.3%=0.113
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4 years ago

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Kryger [21]

Answer:

So Height of the box is 5.906

Step-by-step explanation:

Given:

Volume of box = 567

Length = 12

Width = 8

To Find:

Height = ?

Solution:

We know that a box is in the shape of a cuboid so

We know that

Volume of the cuboid is given by the formula which is

Volume = Length * Width * Height

Now we are given all the values in the question

putting in those values

Volume = Length * Width * height

Putting the values

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So We get

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