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vovikov84 [41]
3 years ago
15

The sum of 38 and twice a number x is 124. What is -2x - 5?

Mathematics
1 answer:
vazorg [7]3 years ago
3 0

Answer:

B). - 91

Explanation:

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What is the maximum value of h(t)=−16t^2+32t+64
lapo4ka [179]

Answer:

Step-by-step explanation:

h(t)=-16t²+32t+64

=-16(t²-2t)+64

=-16(t²-2t+1-1)+64

=-16(t-1)²+16+64

=-16(t-1)²+80

maximum value=80 and is obtained at t=1

6 0
3 years ago
Suppose the number of dropped footballs for a wide receiver over the course of a season are normally distributed with a mean of
snow_lady [41]

Answer:

<em>The z score for a wide receiver who dropped 13 footballs over the course of a season</em>

<em>           Z = - 1.5</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given Population mean  ' μ'= 16

Standard deviation of Population 'σ' = 2

Let 'x' be the Random Variable of Normal distribution

Given x = 13 foot balls

<em>The z score for a wide receiver who dropped 13 footballs over the course of a season</em>

<em>                 </em>Z = \frac{x-mean}{S.D}<em></em>

<em>                </em>Z = \frac{13 -16}{2} = \frac{-3}{2} = -1.5<em></em>

<u><em>Final answer</em></u><em>:-</em>

<em>The z score for a wide receiver who dropped 13 footballs over the course of a season</em>

<em>           Z = - 1.5</em>

<em></em>

8 0
3 years ago
What is 12x-4y= -8 written in slope-intercept form?<br> Oy=3x+2<br> y=3x-2<br> Oy=12x-8<br> y=-12x-8
Anettt [7]
The correct answer is y=3x+2
7 0
2 years ago
Which expression is equivalent to (x-2y-4z)^2
True [87]

Answer:

2xyz

Step-by-step explanation:

5 0
3 years ago
Last week at a gym, 120 people participated in a biking class. The number of people who ran on a treadmill
KonstantinChe [14]

Answer:

180

Step-by-step explanation:

This basically means that one and a half of the amount of people that took a biking class ran on the treadmill.

There are two ways to solve

1. \frac{150*120}{100}

2. 120+\frac{120\\}{2}

To do the first one:

1. Multiply the values in the numerator

18000/100

2. Divide

180

To do the second one:

1. Divide the fraction

120 + 60

2. Add

180

4 0
3 years ago
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