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lana [24]
3 years ago
11

Jumping rope burns approximately 720 calories per hour. If Jenny jumps rope for 15 minutes, about how many calories will she bur

n at this same rate?
Hint: how many minutes are in 1 hour
Hint: simplifying the given ration may help you see the relationship.

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0
My work is in the image provided. If you have any wQuestions concerning my methods, don't hesitate to ask.

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F(x)=6x^2 +10x−1
KATRIN_1 [288]

Answer: It has two distinct real zeros.

Step-by-step explanation:

The formula that is used to calculate the discriminant of a Quadratic function is the one shown below:

D=b^2-4ac

In this case you have the following Quadractic function provided in the exercise:

f(x)=6x^2 +10x-1

Let's make it equal to 0:

0=6x^2 +10x-1

You can identify that:

a=6\\\\b=10

Knowing these values, you can substitute them into the formula and then evaluate:

D=10^2-4(6)(-1)\\\\D=124

Therefore, since:

 D>0

You can determine that the it has two distinct real roots.

3 0
4 years ago
Amber received an end of year bonus of $2500 at work, and went on a shopping spree. She spent $125 at the department store, $345
Ostrovityanka [42]

Answer: $2,009

Step-by-step explanation:

345 + 125 = 470

470 + 21 = 491

2,500 - 491 = 2,009

6 0
3 years ago
Read 2 more answers
Can somebody help please??? Explain... I need help with with this one problem:
LUCKY_DIMON [66]

Well - I mean. If every lunch costs $4 that means that the relationship should be linear.


You used to be able to draw graphs. But plot it out.

3 0
4 years ago
4. Andrew purchased some drinks and some chips. Each bag of chips cost $2.00 and each drink cost $2.50. The expression 2x + 2.5y
ivann1987 [24]

Answer:

The answer is C, the total amount spent on drinks

6 0
2 years ago
In a right triangle, the acute angles measure 2x + 50 and 3x degrees. What is the measure of the smallest angle of the triangle?
andrezito [222]
Since this is a right triangle the two acute angles must sum to 90 degrees because a triangle's angles must sum to 180 degrees. 

2x+50+3x=90

5x+50=90

5x=40

x=8

So the smallest angle is 3x=3*8=24°
4 0
3 years ago
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