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3 years ago

I am a product. one of my factors is 2. the other factor is 1 greater than 4. what number am i

Mathematics

2 answers:

Vlad1618 [11]3 years ago

7 0

2 x 5 = 10

You are the number 10.

ivolga24 [154]3 years ago

4 0

The answer here would be 10. One of the factors for this multiplication problem is already given, which is 2. The other factor, which is basically 4+1, is 5. 2 times 5 equals 10! Hope this helped.

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alexandr1967 [171]

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7 0

3 years ago

At a point on the ground 35 ft from the base of a tree, the distance to the top of the tree is 1 ft more than 3 times the height

jolli1 [7]

Answer:

Step-by-step explanation:

This is a question that uses the Pythagorean Theorem.

a = 35 feet

b = x which is the height of the tree.

c = 3*x + 1 so we are trying to find x. Substitute into a b and c

a^2 + b^2 = c^2

35^2 + x^2 = (3x + 1)^2

35^2 + x^2 = 9x^2 + 6x + 1 Subtract x^2 from both sides.

35^2 = 8x^2 + 6x + 1 Subtract 35^2 from both sides.

0 = 8x^2 + 6x + 1 - 35^2

0 = 8x^2 + 6x - 1224

Does this factor?

(x + 12.75)(x - 12)

x - 12 = 0 is the only value that works.

x = 12

The tree is 12 feet high.

Note: I used the quadratic formula to solve this.

6 0

4 years ago

Read 2 more answers

Grandfath

Anestetic [448]

Answer:

Step-by-step explanation:

First, write an equation to represent the situation.

34 = 2a + 12

This equation works because your combined age is half of 68, so 34. If your age is a, then yours sister's age is a + 12. if you add your age to your sister's, you get 2a + 12.

Now just solve for a.

34 = 2a + 12

First, subtract 12 from both sides.

22 = 2a

Then divide both sides by 2.

11 = a

So you are 11 years old. If you need to check your work, your age (11) plus your sister's age (11 + 12, which is 23) is 34, which is half of your grandfather's age.

5 0

3 years ago

An on-the-job injury occurs once every 10 days on

ExtremeBDS [4]

The probability that the next on-the-job injury will occur within 10, 5, and 1 day are 0.632, 0.393, and 0.095

<h3>What is probability?</h3>

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We know the exponential distribution is given by;

$\rm P(X < t)=1-e^{-\dfrac{1}{\mu}t}$

The probability that the next on-the-job injury will occur within 10 days:

$\rm P(X < 10)=1-e^{-\dfrac{1}{10}10}$

P(X< 10) = 0.632

The probability that the next on-the-job injury will occur within 20 days:

$\rm P(X < 5)=1-e^{-\dfrac{1}{10}5}$

P(X< 5) = 0.393

The probability that the next on-the-job injury will occur within 1 days:

$\rm P(X < 1)=1-e^{-\dfrac{1}{10}1}$

P(X< 1) = 0.095

Thus, the probability that the next on-the-job injury will occur within 10, 5, and 1 day are 0.632, 0.393, and 0.095

Learn more about the probability here:

brainly.com/question/11234923

#SPJ1

5 0

2 years ago

Six football players, all defensive linemen, decide that they'll gain an average of 10 pounds over the summer. At the start of t

noname [10]

Answer: b. 14 pounds

Step-by-step explanation:

Formula to calculate average :

$\text{Average}=\dfrac{\text{Sum of all observations}}{\text{Number of observations}}$

Let x denotes the number of pounds the last person have to gain so that the group can attain its goal.

Required average = 10 pounds

Observations = 9, 13, 11, 6, 7 and x (pounds)

Number of observations= 6

Sum of all observations = 9+13+ 11+ 6+7+x=46+x

According to the question , we have

$10=\dfrac{46+x}{6}\\\\ 46+x=10\times6\\\\ 46+x=60\\\\ x=60-46=14$

i..e the last person has to gain 14 pounds so that the group can attain its goal.

Hence, the correct answer is b. 14 pounds .

7 0

4 years ago