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aliina [53]
3 years ago
13

In a science test, Jamie solved 42 correct and 18 incorrect answers. What is the percentage of correct question?

Mathematics
2 answers:
uysha [10]3 years ago
4 0
It would have to be B
Slav-nsk [51]3 years ago
3 0

Answer:The answer is C.

Step-by-step explanation:

There are 60 questions total. (42+18)

You just turn the answers into decimals (.80, .75, .70, .40) and you multiply it by the total number of questions(60)

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Solve the system of equations.
o-na [289]

Answer:

x =-5 and y = -6

Step-by-step explanation:

In order to get the answer, I used the elimination/addition method

8y-9x= -3 <— I decided to eliminate the y

5y-8x= 10 <— I decided to eliminate the y

5(8y-9x = -3) <— switch up the number of y from the bottom to multiply

-8(5y-8x= 10) <— switch up the number of y from the top to multiply, but have a negative sign to it

So...our new equation will be....

40y - 45x = -15

+ -40y + 64x = -80

________________________

19x = -95

x = -5

8y-9x= -3

8y-9(-5) = -3

8y+45 = -3

- 45 = - 45

8y = -48

y = -6

3 0
3 years ago
the grade 6 class harvested 3 1/4 kg tomatoes, 5 3/4 kg of eggplant and 2 1/2 kg of green pepper from their "gulsyan sa paaralan
Sonbull [250]
3 1/4 + 5 3/4 + 2 1/2 = x
Convert 2 1/2 to a fraction over 4

3 1/4 + 5 3/4 + 2 2/4 = 10 6/4 = 11 2/4 = 11 1/2 kg of vegetables
6 0
3 years ago
How do I evaluate a+b for a= 47 and b=31
melisa1 [442]
A + b
47 + 31
78

a= 47
b = 31
6 0
3 years ago
A farmer harvested a total of 364
defon

Answer:

11 pounds and all together 4004

Step-by-step explanation:

hope its right hope it helps

8 0
3 years ago
Nancy is making lemonade for her birthday party. She made 6 batches. Each batch of lemonade uses 24 fluid ounces of lemon juice
Goryan [66]

Answer:

Step-by-step explanation:

1 Us pint = 16 Us fluid ounces

It means that 8 pints of water would be

8 × 16 = 128 fluid ounces

Each batch of lemonade uses 24 fluid ounces of lemon juice and 8 pints of water. The total number of fluid ounces in each batch is

128 + 24 = 152 fluid ounces

Also,

1 fluid ounce = 0.125 Us cups

Therefore, the number of cups made is

152 × 0.125 = 19 cups

If each serving is 1 cup, then the number of servings that she made from each batch of lemonade is 19

servings. The number of batches made is 6. Therefore, the number of servings made altogether is

6 × 19 = 114

If her brother came and spilled half of it on the floor, then the number of servings that she have left after that for her party is

114/2 = 57 servings

7 0
3 years ago
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