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3 years ago

The reciprocal of a number is added to three.The result is the quotient of 25 and the number. Find the number

Mathematics

1 answer:

Firdavs [7]3 years ago

5 0

Answer:

Step-by-step explanation:

Let x represent the number. Then the reciprocal is 1/x. The quotient of 25 and the number is 25/x. The problem statement tells us ...

3 + 1/x = 25/x

Subtracting 1/x, we have ...

3 = 24/x

x = 24/3 = 8 . . . . . . . . multiply by x/3

The number is 8.

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What is the frequency of the function y = 3sin2x

antiseptic1488 [7]

Answer:

d. None of the above.

Step-by-step explanation:

The period is the change in x required to make a change of 2π in the argument to the sine function:

2x = 2π

x = π

The frequency is the reciprocal of the period, so is 1/π. There are no matching answer choices.

7 0

3 years ago

The number of bags of soybean seeds N that a farmer needs varies jointly as the number of acres a to the planted and the pounds

frozen [14]

Answer:

N= 15000

Step-by-step explanation:

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4 years ago

Explain why the triangles are similar then find out the distance represented by x

elena55 [62]

Because the only difference between them is size so the basic form of the shape remains, having corresponding sides in proportion.

<h2>Explanation:</h2>

Two triangles are similar if the only difference between them is size. Put another way, the basic form of the shape remains. If this is true, then:

Corresponding angles are congruent
Corresponding sides are in proportion

Since you didn't provide any graph, I have attached two similar triangles below. As you can see they are right triangles. As we said, corresponding sides of similar triangles are in proportion, so it is true that:

$\frac{9}{3}=\frac{12}{4}=\frac{x}{5}=3 \\ \\ \therefore \frac{x}{5}=3 \\ \\ \therefore x=5(3) \\ \\ \therefore \boxed{x=15}$

<h2>Learn more:</h2>

Right and scalene triangles: brainly.com/question/10379190

#LearnWithBrainly

8 0

3 years ago

What are the square roots of 64? A) 0, 8 B) 2, 32 C) 4, 16 D) 8, -8

olga2289 [7]

Answer:

D) 8, -8

Step-by-step explanation:

To find the square root of 64, we need to determine what number times itself equal 64

8*8 = 64

-8*-8 = 64

The answer is 8 and -8

8 0

3 years ago

Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H0

Leviafan [203]

Answer: We do not reject the null hypothesis.

Step-by-step explanation:

When the p-value is greater than the significance level , then we do not reject the null hypothesis or if p-value is smaller than the significance level , then we reject the null hypothesis.

Given : Test statistic : $z = -2.28$

Significance level : $\alpha=0.02$

By using the standard normal distribution table ,

The p-value corresponds to the given test statistic ( two tailed ):-

$2P(Z>|z|)=2P(Z>2.28)=0.0226$

Since the p-value is greater than the significance level of 0.02.

Then , we do not reject the null hypothesis.

8 0

4 years ago