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Anna35 [415]
3 years ago
14

Jenny has already taken 23 quizzes during past quarters and she expects to have 1 quiz during each week of this quarter each of

this quarter After attending 3 weeks of school how many quizzes will Jenny have to take in total
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
8 0
For the new quarter: 3 quizzes
all past quarters and current quarter in total: 26 quizzes
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What is the value of x? <br>enter your answer in the box.<br>x = _​
UNO [17]

Answer: x = 7

Step-by-step explanation:

24 = 2x + 10

24 - 10 = 2x + 10 - 10 (Subtract 10 from both sides)

14 = 2x

14/2 = 2x/2 (Divide both sides by 2)

7 = x

x = 7

8 0
3 years ago
the midpoint of AB is point P at (-16,6) if point A is at (-10,8) what are the coordinates of point B?
max2010maxim [7]

Answer:

Denote B(x, y), we have:

-10 + x = 2 x (-16) => x = -22

  8 + y = 2 x 6 => y = 4

=> B(-22, 4)

Hope this helps!

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8 0
3 years ago
A taxi service charges a flat fee of $4.20 per ride plus an additional $0.80 per mile.if a taxi ride costs $6.60, how many miles
Setler [38]
The answer is: x miles = \frac{6.60-4.20}{0.80} = 3 miles
7 0
3 years ago
Shayna pays 20 for 5 bottles of juice. What is the unit price for the bottles of juice?
Goshia [24]
20/5 = 4
therefore the unit price for the bottles of juice is 4
3 0
2 years ago
There are 420 books on a bookcase with 7 shelves. Each shelf has the same number of books. How many books are on 4 shelves? 28 6
Ghella [55]
If we have 420 books for every 7 shelves and are looking for how many books are on 4 shelves, we need to set up fractional proportions.

We have 7 shelves for every 420 books, so we will have our first fraction like this:
7/420.
We also have 4 shelves for every x books, so our second fraction will be 4/x.

Set these fractions up as an equation.
7/420 = 4/x

To solve for x, we need to cross multiply the numerators of one fraction with the denominators of the other fraction.
In other words, multiply the top number of one fraction by the bottom number of the other question.

It should look like this:
7(x)
420(4)

7(x) = 7x
420(4) = 1680

Set your products up as an equation.
7x = 1680

Now to solve for x, we need to simplify.
Currently, x is being multiplied by 7.
To get x alone, divide 7x by 7.
Remember, what you do to one side of an equation, you must do to the other, so divide 1680 by 7.

7x / 7 = x
1680 / 7 = 240

You are left with:
x = 240.

For every 4 shelves you have 240 books.

I hope this helps!

3 0
3 years ago
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