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Marta_Voda [28]
2 years ago
7

Chen rode his skateboard 334 miles in 34 of an hour. What was his average speed in miles per hour?

Mathematics
1 answer:
vitfil [10]2 years ago
3 0
334 ÷ 34 = 9.82 ≈ 10
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Alessandro wrote the quadratic equation –6 = x2 + 4x – 1 in standard form. What is the value of c in his new equation?
Black_prince [1.1K]

Answer:

5

Step-by-step explanation:

To write it in standard form, we set the equation equal to 0.  To do this, we add 6 to each side:

-6+6 = x² + 4x - 1 + 6

0 = x² + 4x + 5

The related function is

y = x² + 4x + 5

The value of c in this function is 5.

7 0
3 years ago
A box of the Tic Tacs contains 44 of the 1 1/2- calorie flavored breath mints. How many calories are there in a box of Tic Tacs?
masya89 [10]

Answer:

66

forty-four times 1.5 equals 66

6 0
2 years ago
Solve for x.<br><br> Captionless Image<br> x= 6<br> x = 0<br> x= 5<br> x= 10
Pachacha [2.7K]

Answer:

You cannot solve for x on any of these. it will just be the same answer.

Step-by-step explanation:

4 0
2 years ago
which of the following angles would from an obtuse isosceles triangle 100,40,40 30,75,75 90,30,60
Vesna [10]

Answer:

100, 40, 40

Step-by-step explanation:

7 0
2 years ago
The following histogram presents the amounts of silver (in parts per million) found in a sample of rocks. One rectangle from the
gladu [14]

Answer:

  • <u><em>The height of the missing rectangle is 0.15</em></u>

Explanation:

The image attached has the mentioned <em>histogram</em>.

Such histogram presents the relative frequencies for the clases [0,1], [1,2],[2,3], [4,5], and [5,6] Silver in ppm.

Only the rectangle for the class [3,4] is missing.

The height of each rectangle is the relative frequency of the corresponding class.

The relative frequencies must add 1, because each relative frequency is calculated dividing the absolute class frequency by the total number in the sample; hence, the sum of all the relative frequencies is equal to the total absolute class frequencies divided by the same number, yielding 1.

In consequence, you can sum all the known relative frequencies and subtract from 1 to get the missing relative frequency, which is the height of the missing rectangle.

<u>1. Sum of the known relative frequencies</u>:

  • 0.2 + 0.3 + 0.15 + 0.1 + 0.1 = 0.85

<u>2. Missing frequency</u>:

  • 1 - 0.85 = 0.15

<u>3. Conclusion</u>:

  • The height of the missing rectangle is 0.15

4 0
2 years ago
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