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balandron [24]
3 years ago
7

Belinda git 18 out of 20 correct on a science test what percent of the questions did Belinda get correct

Mathematics
2 answers:
sveta [45]3 years ago
4 0
92% of the questions were correct.
Margarita [4]3 years ago
4 0
Expressed as a percentage, 18/20x100=90 percent
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The area of the sector of a circle with a radius of 8 centimeters is 125.6 square centimeters. The estimated value of pi is 3.14
tangare [24]
\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
----------\\
r=8\\
A=125.6
\end{cases}
\\\\\\
360A=\theta\pi r^2\implies \cfrac{360A}{\pi r^2}=\theta\implies \cfrac{360\cdot 125.6}{\pi 8^2}=\theta
4 0
3 years ago
Margo borrows $600, agreeing to pay it back with 4% annual interest after 18 months. How much interest will she pay?
Nastasia [14]
To find the simple interest, we multiply 600 × 0.04 × 1.5 to get that:

The interest is: $36.00
3 0
3 years ago
How many terms are there in the following expression: 3a + 3ab + 7b – 2c – 4d
Anastasy [175]
Lets count...
3a...thats 1 term
3ab...thats 2
7b....thats 3
-2c....movin on up to 4
-4d....and we end at 5

so this expression has 5 terms since none of the terms can be combined :)
3 0
3 years ago
International Juice Inc. plans to introduce a new line of fruit juices with three different flavors: cherry, grape and apple. 50
Tanya [424]
Cherry sales as a % of total sales = (0.5 x 1.2)/(0.5 x 1.2 + 0.2 x 1.4 + 0.3 x 1.6) = 0.6 / (0.6 + 0.28 + 0.48) = 0.6 / 1.36 = 0.4412 = 44.12%

Therefore, 44.12% of the total sales will be cherry.
8 0
3 years ago
Aubrey, a pet store employee, wants to fit two fish tanks on one table. One fish tank is 1/6 of a foot wide and the other fish t
Anna007 [38]

Answer:

1/1

Step-by-step explanation:

1/6+5/6 simple adding with fractions its would be 1 foot

6 0
3 years ago
Read 2 more answers
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