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erma4kov [3.2K]
3 years ago
12

Find the slope of a ski run that descends 15 feet for every horizontal change of 24 feet. *Make sure to look at the sign of the

slope and include in your answer. Positive or negative? Please help me quick

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
8 0
The slope goes downwards and that means its a negative slope.
slope means rises over run. and with the facts that we know, it gives us m=-15/24
Ber [7]3 years ago
8 0

Answer:

15/24 i think'

Step-by-step explanation:

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Find any restrictions on x
olchik [2.2K]
The denominator of any fraction cannot be equal to zero. This is because if the denominator is equal to zero, the, the fraction itself would be "undefined".

Applying this to the above mentioned problem, we will find two denominators including the term "x". These two denominators cannot be equal to zero.

First fraction:
1/x ..................> x cannot be equal to zero

Second fraction:
1/(x^2 - 3x -4) = 1/(x - 4)(x + 1)
The denomination will be equal to zero if x = 4 or x = -1
........> x cannot be equal to 4 or -1

Based on this, the restrictions on x are as follows:
x cannot be equal to 0,4 or -1
6 0
3 years ago
In a statistics class of 13 sophomores, 12 juniors, and 8 seniors, 5 of whom are male sophomores, 6 of whom are female juniors,
8_murik_8 [283]

Answer:

\frac{20}{33}

Step-by-step explanation:

We are given that

Sophomores=13

Juniors=12

Seniors=8

Male sophomores=5

Female sophomores=6

Male seniors=4

We have to find the probability of randomly selecting a junior or  a senior.

Total persons=13+12+8=33

Let A=Seniors

B=Juniors

Probability,P(E)=\frac{number\;of\;favorable\;cases}{total\;number\;of cases}

Using the formula of probability

P(A)=\frac{8}{33}

P(B)=\frac{12}{33}

A\cap B=0

P(A\cap B)=0

P(A\cup B)=P(A)+P(B)-P(A\cap B)

P(A\cup B)=\frac{8}{33}+\frac{12}{33}

P(A\cup B)=\frac{8+12}{33}=\frac{20}{33}

Hence, the probability of selecting a junior or senior=\frac{20}{33}

3 0
3 years ago
6. Courtney bought a shirt for $24 with a
7nadin3 [17]

let the original price be x.

then,

x- 25% of x= 24

x- 25x/100 = 24

x-   x/4=24

3x/4=24

3x= 96

x= 32

in short...the original price= 32 dollars

8 0
3 years ago
On a test, George was asked to find the square root of 0.45.
Natali5045456 [20]

Answer:

The square route of 0.45 is 0.7.

Step-by-step explanation:

7 0
3 years ago
What is the probability of having 3 children that are all boys?
olganol [36]
So you have a 50% chance to have a boy vs a girl (1/2). If you want 3 children, that would be 1/3*1/2= 1/6 or 16.67% chance
5 0
3 years ago
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