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3 years ago

What is the equation of the line whose slope is 20 and a y-intercept of 5

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

3 0

The answer is B because u always start of like that

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The population of a town is 13,000. It decreases at a rate of 5% per year. In about how many years will the population be less t

Allushta [10]

Answer:

2 years

Step-by-step explanation:

13000 X 0.05 = 650

13000 - 650 = 12350 year 1

12350 X 0.05 =617.5

12350 - 617.5 =11732.5 year 2

4 0

2 years ago

How many complete rotations will the bowling ball make if it rolls straight down the center of the entire length of the lane. A.

jasenka [17]

<h3>Answer: C) 26 complete rotations</h3>

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

Explanation:

The diameter of the ball is 8.5 inches. So d = 8.5

The circumference of the circle with this diameter is

C = pi*d

C = pi*8.5

C = 8.5pi

C = 26.7035375555132 approximately.

This is the rough distance it travels in one revolution or one full rotation.

--------------

1 revolution = 26.7035375555132 inches

(1/26.7035375555132) revolution = 1 inch

1 inch = (1/26.7035375555132) revolution

1 inch = 0.03744822190398 revolution

There are 12 inches a foot, so,

1 inch = 0.03744822190398 revolution

12*1 inch = revolution

12 inches = 0.44937866284776 revolution

1 foot = 0.44937866284776 revolution

Now multiply both sides by 60

1 foot = 0.44937866284776 revolution

60*1 foot = 60*0.44937866284776 revolution

60 feet = 26.9627197708657 revolutions

Round down to the nearest whole number to get 26

We can't round to 27 even though we're really close to it. This is because we are looking for the number of whole revolutions the ball makes.

Therefore, 60 linear feet correspond to 26 full rotations of the ball. There's a bit leftover, but it's not enough to make another full rotation.

8 0

3 years ago

A bag has 2 red marbles, 1 blue marble and 4 gold marbles. What is the probability of

Aliun [14]

Answer:

if its wrong then a but pretty sure c xx.

Step-by-step explanation:

8 0

3 years ago

In a study of 100 new cars, 29 are white. Find and g, where

sleet_krkn [62]

Question

<em>In a study of 100 new cars, 29 are white. Find p and q , where p is the proportion of new cars that are white. </em>

Answer:

p = 0.29 and q = 0.71

Step-by-step explanation:

Given

Total new cars = 100

White new cars = 29

Required

Determine p and q

From the question;

<em>p represents white new cars</em>

Hence;

$p = 29$

Note that;

$p + q = 100$

Substitute 29 for p

$29 + q = 100$

$29 - 29 + q = 100 - 29$

$q = 100 - 29$

$q = 71$

The proportion of p is calculate by dividing p by the total number of new cars (Same process is done for q)

For proportion of p

$Proportion,\ p = \frac{p}{new\ cars}$

$Proportion,\ p = \frac{29}{100}$

$Proportion,\ p = 0.29$

For proportion of q

$Proportion,\ q = \frac{q}{new\ cars}$

$Proportion,\ q = \frac{71}{100}$

$Proportion,\ q = 0.71$

6 0

3 years ago

Plzzzzzzzzz help meeeeeee

saul85 [17]

-25c because it was increasing 1 c by hour

6 0

3 years ago