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valkas [14]
3 years ago
9

Find the equation containing the points (-1,1) and (4,-9)

Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

D)

Step-by-step explanation:

Substitute it into equation, for (-1,1): -2*(-1) - 1 = 2 -1 = 1, and -2*4 - 1 = - 8 -1 = -9, so D) is correct.

If you find it is helpful plz give Brainliest

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Which are true and which are false?
patriot [66]

Answer:

true

Step-by-step explanation:

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3 years ago
At a fabric store, the probability that a customer buys thread is 0.15. The probability that a customer buys a needle given that
Sveta_85 [38]

Answer:

The correct statement is:

C. Buying a needle and buying a thread are dependent events.

Explanation:

The first statement is incorrect because the given events are dependent on each other because the probability that a customer buys a needle given that the customer buys thread is 0.25.

The second statement is incorrect because we cannot say all those who buy a thread also buy a needle.

The fourth statement is incorrect because the probability that a customer buys a needle and thread is 0.25 \times 0.15=0.0375



8 0
4 years ago
Suppose a water tank in the shape of a right circular cylinder is thirty feet high and eight feet in diameter. a) How much sheet
Zanzabum

Answer:

755.98 ft^2

Step-by-step explanation:

Height of the Cylinder= 30 feet

Diameter = 8 feet

Radius= Diameter/2 = 8/2 = 4 feet

The Amount of Metal Sheet used in constructing the tank is the Total  Surface Area of the Tank.

Total Surface Area of a Cylinder =

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5 0
3 years ago
HELP ME PLEASEEE!!!!!!!
melisa1 [442]

Answer:

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3 years ago
A competitive cliff diver jumps into
fredd [130]

Answer:

2.25 seconds

Step-by-step explanation

d=16t^{2}

d=81 feet\\t=?

Because you know what distance equals you can plug it into the equation

81=16t^{2}

From there you can solve by dividing the 16 over and then square rooting.

\frac{81}{16}=t^{2}

5.0625=t^{2}

You take the square-root to get rid of t^{2}

\sqrt{5.0625} =\sqrt{t}^{2}

t=2.25

8 0
3 years ago
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