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agasfer [191]
2 years ago
12

Your quiz grades are a 63% and an 87% what's ur grade average

Mathematics
1 answer:
Fantom [35]2 years ago
6 0

Answer:

75 is your grade average.

Step-by-step explanation:

To find the average you add up all the numbers you have and then divide the sum of those numbers by the number of all the numbers you have. (I hope that made sense).

63

+ 87

_____

150

150/2 = 75%

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Now, solve this problem. 106% of $ _______ = $7.95 
Alex787 [66]

Answer:

7.5

Step-by-step explanation:

106% of $x = $7.95

In other words,

\[\frac{106}{100}\] of $x = 7.95

Multiplying both sides of the equation by \[\frac{100}{106}\]

\[\frac{106}{100} * \frac{100}{106}\] of x = 7.95 * [\frac{100}{106}]

=> x = [\frac{750}{100}]

=> x = [\frac{7.50}{1}]

=> x = 7.5

Validation: 106% of 7.5 = 7.95

4 0
3 years ago
You are setting up a zip line in your yard. You map out your yard in a coordinate plane. An equation of the line representing th
neonofarm [45]

Answer:

Distance is 6.7units to the nearest tenth.

Explanation:

To solve this problem, we the distance formula. And this is given as:

D = \frac{|a x + b y + c|}{\sqrt{a^2 + b^2}}

We were given the equation:

y = 2 x + 4

This can also be rewritten as:

y – 2 x – 4 = 0.

Therefore, a = -2, b = 1 and c = -4

Also, we were given the points:

(x, y) = (–4, 11)

Making use of the above formula for distance, we have:

D = \frac{|-2\times -4 + 1\times 11 + -4|}{\sqrt{-2^2 + -4^2}}

D = \frac{15}{\sqrt{5}}

D = 6.7units (to the nearest tenth)

8 0
2 years ago
Emma is making two different kinds of cookies for a cookie party she will be attending. She needs 2 and 2/3 cups of sugar for th
Rainbow [258]

Answer:

Step-by-step explanation:

Emma is making two different kinds of cookies for a cookie party she will be attending. She needs 2 and 2/3 cups of sugar for the first recipe and 1 and 1/4 cups of sugar for the second recipe. Emma thinks she will have enough sugar but she isn't quite sure. She knows that her full 2 pound bag of sugar says it contains 4 and 1/2 cups of sugar. Determine the exact difference between the amount of sugar Emma has and the amount of sugar she needs for the recipes.) Emma's mom brought home another 2 pound bag of sugar (4 and 1/2 cups) and wants to make fudge to take to work. Her mom will need 2 and 1/6 cups of sugar. Write a numerical expression that could be used to determine exactly how much sugar will be left over from the two bags of sugar after Emma bakes cookies and her mom makes fudge

4 0
2 years ago
What is the result when the number 10 is decreased by 5.1%?
SashulF [63]

Answer:

(10/100)*94.9 = 9.49

Step-by-step explanation:

Divide by 100 and multiply by 100-5.1 = 9.49

6 0
2 years ago
What is the quotient of 1+i/<br> 3+4i
gizmo_the_mogwai [7]

Answer: 7/25-1/25i

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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