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blagie [28]
3 years ago
8

Karlie has a collection of quarters, dimes, and nickels that equal $2.70. If she has 7 quarters and 7 nickels, how many dimes do

es she have? *
Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

22 Dimes

Step-by-step explanation:

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You wish to buy an eraser that costs $0.50, a pencil that costs $1.00, and a notebook that costs $1.75. The sales tax is 6%. Wha
icang [17]
3.45 is the right answer
4 0
3 years ago
8x + 4y = -104<br> 4x + y = -24
boyakko [2]

Step-by-step explanation:

there are different ways you could do it using the elimination and substitution method.

hope this helps you!

-s.

3 0
2 years ago
Read 2 more answers
What is the volume, in cubic inches, of a rectangular prism with a height of 19 inches,
Mnenie [13.5K]

Answer:

2584

Step-by-step explanation:

height of 19 inches,

a width of 8 inches, and a length of 17 inches

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7 0
3 years ago
Solve for g. <br> 5.1g = 35.7 <br> Enter your answer in the space below. <br><br> g =
telo118 [61]
5.1g = 35.7

5.1g/5.1 = 35.7/5.1

g = 35.7/5/1

g = 7

hope this helps
4 0
3 years ago
Find a function f such that f '(x) = 5x3 and the line 40x + y = 0 is tangent to the graph of f.
Alex17521 [72]

The function that is a  tangent to the graph of f is f(x) = (5/4)x^4+60

<h3>What is the concept of integral?</h3>

The definite integral can be interpreted as the resulting area of a region. In addition, it is a value in its result, that is, it does not depend on the variable x, which can be exchanged for any other variable without changing the value of the integral.

Knowing that :

  • 40x + y = 0 is tangent of f(x)
  • slope of the line = -40

therefore, f'(x)|x=a = -40, so only look for a we have:

5a^3 = -40\\a^3 = -8\\a = -2

if, x = -2, then y = 80 (since, 40x + y = 0), therefore, f(x) passes through (-2,80), so in the equation:

f'(x) = 5x^3\\f(x) = (5/4)x^4 + c\\80 = (5/4)(-2)^4 + c\\c = 60

Therefore,

f(x) = (5/4)x^4+60

See more about tangent at brainly.com/question/401236

#SPJ1

4 0
2 years ago
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