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Jet001 [13]
3 years ago
10

Kim scored an average grade of 82 on her first four English quizzes. She wants to raise her average to a grade of 84. What is th

e lowest grade that she can receive on her fifth English quiz in order to achieve her goal?
1. 82
2. 84
3. 88
4. 90
5.92

Greatly appreciated!
Mathematics
2 answers:
Archy [21]3 years ago
7 0

Answer:

88

Step-by-step explanation:

Genrish500 [490]3 years ago
7 0
The answer is 92

Steps:
82 x 4 = 328
328 + 92 = 420
420/5 = 84

84 is the new average with the added test score.
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I do not understand this question and it will be kind if you help a kid in need
Nimfa-mama [501]

Answer:

x = \frac{mn(q-p)}{n-m}

Step-by-step explanation:

collect the fractional terms on the left side of the equation and other terms on the right side

subtract \frac{x-n}{n} from both sides

\frac{x-m}{m} - \frac{x-n}{n} + p = q

subtract p from both sides

\frac{x-m}{m} - \frac{x-n}{n} = q - p

We require the fractions to have a common denominator of mn

multiply the numerator/denominator of the first fraction by n and the numerator/denominator of the second fraction by m

\frac{n(x-m)}{mn} - \frac{m(x-n)}{mn} = q - p

distribute and simplify the numerators of the fractions

\frac{nx-nm-mx+mn}{mn} = q - p

\frac{nx-mx}{mn} = q - p

factor out x from each term on the numerator

\frac{x(n-m)}{mn} = q - p

multiply both sides by mn

x(n - m) = mn(q - p)

divide both sides by (n - m)

x = \frac{mn(q-p)}{n-m} → n ≠ m






5 0
4 years ago
Six times the sum of a number and 4 equals 5<br> Write as an equation
ale4655 [162]

Answer:

6 (x+4) = 5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Explain what an ordered pair is. What are it’s parts? Give an example (Functions)
Andreyy89

Answer:

An ordered pair is a composition of the x coordinate  and the y coordinate , having two values written in a fixed order within parentheses.

Step-by-step explanation:

8 0
3 years ago
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How do I do this? Please explain it. Thank you.
Westkost [7]

Answer:

slope = - \frac{14}{3}

Step-by-step explanation:

the slope of the secant line in the closed interval [a, b ] is

slope = \frac{f(b)-f(a)}{b-a}

here [a, b ] = [1, 4 ]

f(b) = f(4) = - 2^{4} + 5 = - 16 + 5 = - 11

f(a) = f(1) = - 2^{1} + 5 = - 2 + 5 = 3

slope = \frac{-11-3}{4-1} = \frac{-14}{3} = - \frac{14}{3}


8 0
3 years ago
New York City and New Jersey are approximately 90 miles apart. If a map is drawn using a scale of 2 cm = 15 miles, how far apart
defon

Answer:

12 cm

Step-by-step explanation:

6 cm because 90 divided by 15 is 6 and 6 times 2 is 12

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