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user100 [1]
4 years ago
7

sylvie is going on vacation. she has already driven 60 miles in one hour. her average speed for the rest of the trip is 57 miles

per hour. how far will sylvie have driven 7 hours later
Mathematics
2 answers:
Flauer [41]4 years ago
7 0
Gallons of gas, approximately how far has<span> George </span>driven? A.). 2.8. B.) 38. 20. It costs a shoe .... Janice is going<span> on </span>vacation<span> and needs to leave </span>her<span> dog at a kennel. Nguyen's .... </span>She has already driven 60 miles<span>in </span>one hour<span>. </span>Her average speed<span> for the </span>rest<span> of the </span>trip<span> is </span>57 miles per hour<span>. How </span><span>far will Sylvie have driven 7 hours</span>
harina [27]4 years ago
5 0
 I guess just do 57 x 7 = which is 399
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The inequality 2 p ≤ 18 can be used to determine how many pounds of apples at $2.00 per pound, p, you can buy while spending $18
Irina-Kira [14]
So we know we don't want to exceed 18 dollars. 

So what we want to know is how many times can 2 dollars go into 18 dollars. 

We would do 18/2 = 9

Now the answer is 9, so we know we can buy 9 pounds of apples without going over 18 dollars.
6 0
3 years ago
Help !!!!!!!!!!!!!!!!​
algol [13]
Multiply the coefficients -5 and 3 which gives you -15
Then multiply variables. So x^(2+1) and it gives you x^3. Then y^(3+2) and it gives you y^5.
The final answer is -15x^3y^5
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3 years ago
Is a temperature of 98 above zero negative or positive
mina [271]
Positive. Keyword is 'above' zero meaning positive numbers. Negative would be 'below' zero.
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4 years ago
Evaluate the following expression (-3)^-2
OleMash [197]
<h3>Answer: the fraction 1/9</h3>

It is approximately equal to 0.1111

=================================

To get this answer, we use the rule

x^{-k} = \frac{1}{x^k}

The negative exponent tells us to apply the reciprocal to get the exponent to be positive.

So,

(-3)^{-2} = \frac{1}{(-3)^2}\\\\(-3)^{-2} = \frac{1}{9}

Squaring -3 means you square the negative as well

(-3)^2 = (-3)*(-3) = 9

8 0
3 years ago
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Jill's mother limited her xbox 1 playing to 10 hours per week. she played on only four days, a different amount of time each day
Brrunno [24]
You have to find out how much time she played on Saturday, Wednesday, Friday, and Sunday. Let's look at the facts.
Sunday: No info is given.
Friday: She played the least of all four days
Saturday: Twice as much as Wednesday
Wednesday: No info is given.

We can write a problem and solve from this information. Let's use the variable W for Wednesday. Saturday is 2W. So whatever number Wednesday has, multiply it by 2. All of the total numbers should equal 10.

Since Friday was played the least amount, we know that every other day has to be at least 2 hours or above, so that Friday can be 1 hour. Sunday we have no info given.

This is a bit of guess and see for this problem. Let's say that Friday was 1 hour, Wednesday was 2, Sunday was 3, and Saturday was 4. Total that equals 10. Let's check to varify that these numbers are correct.

Friday was the least amount of hours of any day, which is why it is 1.
Wednesday had 2 hours, and Saturday had twice that many, which is 4.
Sunday has 3 hours.

In short, your answer would be: Friday 1 hour, Wednesday 2 hours, Sunday 3 hours, and Saturday 4 hours. I hope I explained it wel
6 0
4 years ago
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