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den301095 [7]
3 years ago
14

Need help asap isnt hard i just dont understand

Mathematics
1 answer:
qwelly [4]3 years ago
5 0

Answer:

The answer is b. 35.5

Step-by-step explanation:

angle bisector always bisects an angle in to half amd in the question you have been told to tell the value of one half of the angle abc so the half of 71 would be 35.5

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Video rental stores are being replaced by streaming subscriptions. In one area, there were 10 video rental locations in 1996, bu
SSSSS [86.1K]

Answer:

The unit rate is -1 store per year

Step-by-step explanation:

Let

x -----> the number of years since 1996

y ----> the number of video rental stores

we know that

The year 1996 represent x=0

so

2016 represent ----> x=2016-1996=10 years

we have the points

(0,10) and (10,1)

The unit rate is equal to the slope of the linear equation

<em>Find the slope m</em>

m=(1-10)/(10-0)

m=-1\ stores/year ----> is negative because is a decreasing function

therefore

The unit rate is -1 store per year

7 0
3 years ago
A soccer ball is kicked in the air off a 22.0 meter high hill. The equation h(t)=-5t^2+10t+22 gives the approximated height h, i
Lana71 [14]

Answer:

Equation: 5t² − 10t + 13 = 0

Answer: No

Step-by-step explanation:

h(t) = -5t² + 10t + 22

When h(t) = 35:

35 = -5t² + 10t + 22

5t² − 10t + 13 = 0

This equation must have at least one real solution if the ball is to reach a height of 35 meters.  Which means the discriminant can't be negative.

b² − 4ac

(-10)² − 4(5)(13)

100 − 260

-160

The ball does not reach a height of 35 meters.

5 0
3 years ago
Mrs. Wei was designing a 6 question True or False quiz. She did
Darya [45]

The answer key be designed to fit the  criteria is 12 ways for Mrs.Wei

<u>Solution: </u>

Given, Mrs. Wei was designing a 6 question True or False quiz.  

She did not want there to be more than 2 answers the same in a row.  

We have to find how many ways could the answer key be designed to fit the criteria?

Given that, more than 2 continuous answers are not allowed.

So, one answer same in a row conditions are t f t f t f or f t f t f t ⇒ 2 ways.

And, two answers same in a row conditions are  

<em><u>Condition 1:</u></em>

t t f f  t t  t t f t f t    t t f t t f

⇒3 ways by keeping 1st two answers same and constant and total 6 ways by interchanging true with false.

<em><u>Condition 2:</u></em>

f t t  f f t  f t t f t f  

⇒ 2 ways by keeping 2nd two answers same and constant and total 4 ways by interchanging true with false.

<em><u>Condition 3:</u></em>

Next, f f t t f f ⇒ this is covered in 1st case when we interchange true with false.so, we are done with possibilities.

So, total ways are 2 + 6 + 4 = 12 ways.

Hence, there are 12 ways.

7 0
3 years ago
Given f(x)=3x(to the scnd power)−5x−2. What is the value of f(−2/3)? 1 8/3 3 10/3
Nataliya [291]

Given:

f(x)=3x^2-5x-2; find f(-2/3)

Answer:

f(-\frac{2}{3} )=\frac{8}{3}

Step-by-step explanation:

1. Insert -\frac{2}{3} \\ as X; f(-\frac{2}{3}) = 3 (-\frac{2}{3} )^2 - 5 (-\frac{2}{3}) - 2

2. Solve equation; f(-\frac{2}{3} )=\frac{8}{3}

6 0
2 years ago
Which of the following is(are) the solution(s) to |x-1|- 8?
Rashid [163]

Solutions are -7 and 9

Step-by-step explanation:

  • Step 1: Given |x-1| - 8. To solve it, equate it to zero.

⇒ |x-1| - 8 = 0

⇒ ± (x - 1) - 8 = 0

⇒ x - 1 - 8 = 0 and -x + 1 - 8 = 0

⇒ x - 9 = 0 and -x - 7 = 0

⇒ x = 9 and x = -7

7 0
3 years ago
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