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Tamiku [17]
3 years ago
15

What percent of 45 is 7? show work please?

Mathematics
2 answers:
pishuonlain [190]3 years ago
5 0

Answer:

3.15 is correct

Step-by-step explanation:

The person above me has all the work needed

Otrada [13]3 years ago
3 0

Answer:

3.15

Step-by-step explanation:

45% can be converted into 0.45 or 9/20. You either multiply 7 by 0.45 or 9/20 to get your answer.

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Complete the parts in each step to find the area of each trapezoid?
Sergio039 [100]

The area of the trapezoid is 20 in².

Solution:

Given data:

Length of the bottom base = 7 in

Length of the top base = 3 in

Height of the trapezoid = 4 in

Step 1: Area of the trapezoid formula,

$A=\frac{b_{1}+b_{2}}{2} \times h

Step 2: Substitute the given values in the formula.

$A=\frac{7+3}{2} \times 4

Step 3: Add 7 and 3.

$A=\frac{10}{2} \times 4

Step 4: Divide 10 by 2, we get

A=5 \times 4

Step 5: Multiply 5 by 4, we get

A = 20 in²

The area given in the picture is wrong.

The area of the trapezoid is 20 in².

8 0
2 years ago
What is another way to write 15 minutes before 9?
dimulka [17.4K]

Answer:

8:45

9:00 - 0:15 = 8:45

4 0
3 years ago
PLEASE ANSWER THE QUESTION<br> 1/3 x + y = 4<br> SOLVE FOR Y( THIS MEANS GET THE Y BY ITSELF.)
Marrrta [24]
Subtract 1/3x from the left side of the equation and subtract it from the right side of the equation. So it would be y = 4 - 1/3x
6 0
2 years ago
Does the following infinite series converge or diverge? 1/3+2/9+4/27+8/81
Norma-Jean [14]

Answer:

converge

Step-by-step explanation:

The ratio that you multiply by to get the next term is 2/3, which is less than 1, so the geometric series converges by the Geometric Series Test.

8 0
2 years ago
Read 2 more answers
Samantha puts an initial $500 into a savings account. The account has a 4% annual compound interest rate. What is the function t
konstantin123 [22]
Hello! I can help you with this!

a. The function that would best represent Samantha's account is f(5) = 500(1 + 0.04)^5. This is because $500 is the principal, the interest rate is 4%, and we're looking for the amount in the savings account 5 years later.

b. Okay. 1 = 0.04 is 1.04. 1.04^5 is 1.216652902. It's a long decimal, but don't delete it. Multiply that decimal by 500 and you get 608.32645 and other numbers behind it or 608 when rounded to the nearest dollar. Samantha will have about $608 in her savings account in 5 years.

Note: The formula goes like this: f(x) = P(1 + r)^x. This means, you add 1 and the simple interest rate in decimal form together and raise that up by the exponent. There is no shortcuts for this, so you'll have to use the calculator. There will be a very long decimal, but don't clear it. Instead, multiply it by the principal to get the answer. It seems very complicating, but if you do this right, it gets easier overtime and you'll make less errors. There are more complex problems out there, so this formula is very important, but it was kept simple for this question.
7 0
3 years ago
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