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kramer
3 years ago
8

Use a proportion to convert the measurement. Round your answer to two decimal places.

Mathematics
1 answer:
motikmotik3 years ago
4 0

Answer:

68.89 inches

Step-by-step explanation:

2.54 cm/in

175 divided by 2.54

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What is the distance between -2 1/2, -5 3/4
Leviafan [203]

Answer:

Step-by-step explanation:

it's kinda confusing b/c of the minus signs.. huh...  but -5 is less than -2 sooo

start with

-2 1/2  - (-5 3/4 )

=5 3/4 - 2 1/2

=5 3/4 - 2 2/4

=23/4 - 10/4

=13/4

there you go...  :)

if you want it back in proper fractions

3 1/4

8 0
3 years ago
Factor the expression. -20x + 32
fgiga [73]
Factor -20x+32
which comes out to 4(-5x+8)
answer: 4(-5x+8)
hope this helped :)
8 0
3 years ago
a psychologist contends that the number of facts of a certain type that are remembered after t hours is given by the following f
laiz [17]

Answer:

At t=1, Rate of Change=-36.86

At t=10 hours, Rate of Change =-0.0088

Step-by-step explanation:

The function which describes the number of facts of a certain type which are remembered after t hours is given as:

f(t)=\frac{85t}{99t-85}

To determine the Rate of Change at the given time, we first look for the derivative of f(t).

Applying quotient rule:

f^{'}(t)=\frac{-7225}{{\left( 85 - 99\,t\right) }^{2}}

At t=1

f^{'}(1)=\frac{-7225}{(85-99)^{2}}

=-36.86

At t=10 hours

f^{'}(10)=\frac{-7225}{(85-99(10))^{2}}

=-0.0088

4 0
3 years ago
a store has apples on sale for $3 for 2 pounds. if an apple is approximately 5 ounces how many apples can you buy for $9?
Margaret [11]
2 pounds of apples because 3$ for 2 pounds ok so divide 9 by 2 and get it would be 4.5 but you cann't have half of an apple so take that one pound of apple off and get your answer now do you get it if not tell me and i will explan it better
4 0
3 years ago
Which of these is a number that can be expressed as a non-repeating, nonterminating decimal?
mylen [45]

Answer:

A. An irrational number

D. A fraction

Step-by-step explanation:

Nonrepeating numbers are number/decimal that continues endlessly with no set of numbers alike or repeating theirself

while nonterminating numbers are numbers that do not have an end

examples can be a fraction, irrational numbers

6 0
2 years ago
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