Find the equation of this line.

Answers

Answer 1

Answer: f(x)=-2/5x+1

using the two dots Rise/run =-4/10 simplifies tp -2/5 y-intercept is 1

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Solve by substitution
3x y=-9
x-2y=-10

Answers

: 3x + y = 9
y = 9 - 3x

x - 2y = 10
y = (x - 10)/2

2(9 - 3x) = x - 10
18 - 6x = x - 10
7x = 28
x = 4

y = 9 - 3(4)
y = 9 - 12
y = - 3

Answer: x = 4, y = - 3

Proof—2nd equation:
4 - 2(- 3) = 10
4 + 6 = 10

Hope this helps :)

California has 143deaths from heart disease and 137deaths from cancer per100,000 residents. Which rate is more extreme compared to other states? A.Perform any needed computations here: b. Is California's rate for heart disease or for cancer more extreme compared to the other states? Explain:

Answers

Answer:

California's rate for heart disease is more extreme than Cancer

Step-by-step explanation:

Given

Represent Cancer with C and Heart Disease with H

H = 143

C = 137

Population = per 100,000

First we need to determine the probability of both.

For H

P(H) = H/100000

P(H) = 143/100000

P(H) = 0.00143

For C

P(C) = C/100000

P(C) = 137/100000

P(C) = 0.00137

By comparison,

0.00143 > 0.00137

So, California's rate for heart disease is more extreme than Cancer.

Reason: P(H) > P(C)

2
Multiple choice. How many solutions does the equation 6 + 1 = -6x+ 10 have?

Answers

Answer:

x = 0.5, one solution

Step-by-step explanation:

6+1 = -6x + 10

7 = -6x + 10

-3 = -6x

6x = 3

x = 3/6

x = 1/2

x = 0.5

a 60 foot cable is stretched from the top of a pole to an anchor it is anchored on the ground 19 feet away from the base of the pole how tall is the pole

Answers

Answer:

56.95 feet

Step-by-step explanation:

To find the height of the pole, you can use the Pythagorean Theorem because the cable, the height of the pole, and the distance from the base of the pole to the anchor form a right triangle.

The Pythagorean Theorem states that in a right triangle, the sum of the squares of the lengths of the two shorter sides is equal to the square of the length of the hypotenuse (the longest side).

In this case, the height of the pole is the side we want to find (let's call it "h"), the distance from the base of the pole to the anchor is 19 feet (let's call it "d"), and the cable's length is 60 feet (the hypotenuse).

So, the equation is:

h^2 + d^2 = hypotenuse^2

h^2 + 19^2 = 60^2

Now, we can solve for "h":

h^2 + 361 = 3600

Subtract 361 from both sides:

h^2 = 3600 - 361

h^2 = 3239

Now, take the square root of both sides to find "h":

h = √3239

h ≈ 56.95 feet

So, the height of the pole is approximately 56.95 feet.

The table below shows the blood types of 75 donors after a one-day blood drive. Based on the results, what is the chance that a random donor has type A blood..?Blood Type- O A B AB
Frequency- 31 33 9 2

Answers

Based on the results, the chance that a random donor has type A blood is; 11/25

How to find the Probability?

We are told that there was a survey of 75 blood donors.

Now, we want to find the chance that a random donor has type A blood. From the given table, we see that there are 33 type A blood donors. Thus;

P(donor has type A blood) = 33/75 = 11/25

Read more about Probability at; brainly.com/question/251701

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What I think the chance that a random donor has type a blood is 44% because there are 33 people in total of 75 that have type A blood type so you simply just divide 33/75 then get .44 which is 44%

Leiff goes online to buy a new video game. He finds a site that currently has a promotion of 15% off on all orders over $50. Leiff decides to buy his video game, with a price tag of $128, at this site because he knows that he will get the 15% discount when he checks out. Leiff pays 5. 3% sales tax on the discounted price and pays a shipping fee of $4. 75. What is the total of Leiff’s online purchase? a. $112. 84 b. $114. 57 c. $118. 82 d. $119. 32 Please select the best answer from the choices provided A B C D.

Answers

The total of Leiff’s online purchases will be $119.32.Option d is correct.

What is the percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

If the video game's original price is $128 and the discount is 15%, then Leiff paid (100-15) = 85% of the original price for the item.

Consequently, the video game's price is as follows:

(0.85 x 128) = $108.80.

Leif must contribute an additional 5.3% of the new price, so

(100 + 5.3) = 105.3% of the new price

= (1.053 x 108.8) = $114.57

Including the video game's shipping cost,

114.57 + 4.75 = $119.32

Thus, the total price is $119.32

Learn more about the percentage here:

brainly.com/question/8011401

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