3 years ago

Pleaseeee helpp which one is it and whyyyy!!!!

Mathematics

1 answer:

Elza [17]3 years ago

7 0

Answer:

answer is A

Step-by-step explanation:

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15 points ! precalc question with graph

Semmy [17]

x-intercepts are where the graph crosses the x-axis. These are (-1, 0) and (3, 0) from the graph.

y-intercepts are where the graph crosses the y-axis. This is (0, -3) from the graph.

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4 years ago

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Brianna deposited $680 into a savings account that pays simple and your interest rate of 1.29% how much interest will she earn a

noname [10]

The answer is b just take the decimal off and subtract

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3 years ago

If 0 ≤ Ø < 90 degrees, and tan Ø= 2/3, what is sinØ + cosØ?

Alika [10]

Answer:

1.38

Step-by-step explanation:

tan Ø = 2/3

Ø = tan⁻¹(2/3)

Ø = 33.69

sin 33.69 ≈ 0.55

cos 33.69 ≈ 0.83

sin Ø + cos Ø ≈ 1.38

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3 years ago

Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.1 significance level.

miss Akunina [59]

Answer:

The right answer is Option B:

$H_0: \pi=0.9\\\\H_1: \pi\neq0.9$

Step-by-step explanation:

In this case we have to perform a hypothesis test on the proportion of the people owning cats.

The claim is that the proportion is significantly different than 905, what means it can be greater or smaller than 90% to reject the null hypothesis. Because of that, the null hypothesis has to state an equality (H0:p=0.9).

The right answer is Option B:

$H_0: \pi=0.9\\\\H_1: \pi\neq0.9$

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3 years ago

SOMEONE HELP ME PLEASE

WINSTONCH [101]

Answer:

Fraction: 50/100

Percentage: 50%

Step-by-step explanation:

Find the total amount of marbles:

30+50+20=100

Number of blue marbles: 50

Fraction: 50/100

Percentage: 50%

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3 years ago