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tatyana61 [14]
3 years ago
5

A cross-country racer travels 20 kilometers before she realizes that she has to cover 75 kilometers in order to qualify for the

next race.If the racer travels at a rate if 10 kilometers per hour, how many whole hours will it take her to reach the 75-kilometer mark?
Mathematics
1 answer:
Katarina [22]3 years ago
5 0
6............................................
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Brandon buys a radio for $43.75 in a state where the sales tax is 7%.
Nastasia [14]

Answer:

Tax: $3.06

Step-by-step explanation:

7% of 43.75 = 0.07 × 43.75 = 3.0625

43.75 increase 7% =

43.75 × (1 + 7%) = 43.75 × (1 + 0.07) = 46.8125

Radio: $43.75

Tax: $3.06

Total: $46.81

4 0
3 years ago
X^2 - 25 = 25 solve for x
Nezavi [6.7K]

Answer:

\tt x=\pm5\sqrt{2}

Step-by-step explanation:

\tt x^2 - 25 = 25

\tt x^2-25+25=25+25 (Add 25 to both sides)

\tt x^2=50 ( Take square of both sides)

\tt x=x=\sqrt{50},\:x=-\sqrt{50}

\tt x=\pm5\sqrt{2}

~

3 0
3 years ago
How do I convert pounds to tons?
ExtremeBDS [4]
To find out how many pounds<span> in </span>tons<span>, multiply by the right </span>conversion<span> factor or use the </span>converter<span> below to </span>convert<span> from short </span>tons. Enter a value that you want to convert<span> into </span>pounds<span> and click on the "</span>convert<span>" button. </span>Ton<span> is a unit of mass in different measurement systems and usually mistaken with each other.</span>
7 0
3 years ago
Read 2 more answers
1+1<br><br><br><br><br> (Just making this so 2 people can get free points)
agasfer [191]
2!!! Is the answer thanks you
7 0
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Please transform f(x)=2x^2-8x-24 into factored form and vertex form. please help me!
joja [24]
The answer is: 2(x−6)(x+2)<span>
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