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Nataly [62]
2 years ago
6

What is the value of the expression?

Mathematics
1 answer:
fredd [130]2 years ago
4 0

Answer:

-\frac{4}{5}

Step-by-step explanation:

7/25 ÷ (-0.35) = -4/5 or -0.8

<em>Ace Carlos</em>

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Algebra:please answer #1 and show work
Novay_Z [31]
So 12 mins to 600 feet
35 mins=1900 feet
find the slope which is change in top over change in bottom (aka slope) so to find do
(y1-y2)/(x1-x2)
we want, per minute, so put the time as x1 and x2
x1=12
y1=600
x2=35
y2=1900
subsitutte
(600-1900)/(12-35)=-1300/-23=56.5 per minute
the answe ris 56.5 feet per minute or the last answer
4 0
2 years ago
 Given that 310 = 59 049 , what is 3-10 expressed as an exact value?
Advocard [28]
x^{-n}=\frac{1}{x^n} \\ \\&#10;3^{10}=59049 \\&#10;3^{-10}=\frac{1}{3^{10}}=\frac{1}{59049} \\ \\&#10;\boxed{3^{-10}=\frac{1}{59049}}
4 0
2 years ago
the first Indianapolis 500 auto race took place in 1911. the winning car covered the 500 miles in 6.7 hours. what was the winnin
Vesna [10]

Average speed = (distance covered) / (time to cover the distance)

                         =        (500 miles)      /    (6.7 hours)

                         =            (500 / 6.7)  (mile/hour)

                         =                    74.63 miles per hour.

I imagine there were quite a number of pit stops included in that.

This is faster than I expected when I first read your question.
That's really gettin' with it for cars in 1911 !

4 0
3 years ago
Jen is 4/10 meters taller than her sister. Her sister is 9/10 meters tall. How tall is Jen?
mariarad [96]

Add 4/10 to 9/10.

9/10 + 4/10 = 13/10

Simplify 13/10 into a mixed number by subtracting 10 from the numerator and turning it into a whole.

13/10 ⇒ 1 3/10

<h2>Answer:</h2>

<u>Jen is </u><u>1 3/10 meters</u><u> tall.</u>

5 0
3 years ago
Factoring 12m^2n^2-8mn+1=
alisha [4.7K]
12m^2n^2-8mn+1=12m^2n^2-2mn-6mn+1=\\\\=2mn\cdot6mn-2mn\cdot1-1\cdot6mn-1\cdot1=\\\\=2mn(6mn-1)-1(6mn-1)=(6mn-1)(2mn-1)
3 0
3 years ago
Read 2 more answers
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