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Posted in Mathematics

Write a multiplication problem in which the product is between 0.05 and 0.75


The answer would be 0.8 I think not sure but positive

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Posted in Mathematics

The sum of the angle measures of any triangle is 180 degrees. Suppose that one angle in a triangle has a degree measure of 7x+3 and another has a degree measure of 3x-6 . Write an expression for the degree measure of the third angle in the triangle.

The sum of the angle measures of any triangle is 180 degrees. It should be that a + b + c = 180. For this problem, we are given the two angles which we assume to be a and b so,

180 = 
7x+3 + 3x-6 + c
c = 180 - (
7x+3 + 3x-6) 
c = 180 - (10x - 3)
c = 177 - 10x

Hope this answers the question. Have a nice day.

Posted in Mathematics

The product of a + 3 and –2a2 + 15a + 6 is –2a3 + xa2 + 51a + 18. What is the value of x? a. 3 b. 9 c. 12 d. 15

9

Further explanation

Given:

The product of \boxed{ \ a + 3 \ and \ -2a^2 + 15a + 6 \ is \ -2a^3 + xa^2 + 51a + 18. \ }

Question:

What is the value of x?

Problem solving:

We will solve the case about the distributive property of multiplication.

Let's rewrite and arrange the multiplication equation as follows.

\boxed{ \ (a + 3)(-2a^2 + 15a + 6) = -2a^3 + xa^2 + 51a + 18. \ }

Work out the multiplication of terms carefully.

\boxed{ \ a(-2a^2 + 15a + 6) + 3(-2a^2 + 15a + 6) = -2a^3 + xa^2 + 51a + 18. \ }

\boxed{ \ -2a^3 + 15a^2 + 6a -6a^2 + 45a + 18 = -2a^3 + xa^2 + 51a + 18. \ }

\boxed{ \ -2a^3 + 9a^2 + 51a + 18 = -2a^3 + xa^2 + 51a + 18. \ }

Note the coefficient of the term a² on the left-hand side. Let us equate with a similar term on the right side.

\boxed{ \ 9a^2 = xa^2 \ }

Let us cross out a².

Hence, the value of x is 9.

Learn more

  1. Factoring methods brainly.com/question/2568692
  2. Changing the subject in a formula brainly.com/question/291105
  3. All the steps to get R as a subject  brainly.com/question/4703807#

Keywords: the product, the value of x, the distributive property of multiplication, the coefficient of the term a²

Posted in Mathematics

What is another way to write 250,000 ml?

Another way to write it would be 250 liters.

hope this helps you

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Whats the product of 86 and the depth of the river?

Here is how you are going to get the answer:

Let the depth of the river = d

So in order to find the product, you simply multiply

so the product of 86 and the depth of the river would be 86 * d

or 86d.

Hope this answers your question. Have a great day!

Posted in Mathematics

How to solve this problem 14-6= 10-6=?

I really don't think you wrote the question properly. Or maybe you did, but this question doesn't make any sense! :/

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Rewrite the following without an exponent ₋7⁻¹.

The solution to the answer is as follows:

-7^-1 = -1/7

The expression without an exponent would be simplified to be -1/7.


I hope my answers has come to your help. Thank you for posting your questions here in Brainly. We hope to answer more of your inquiries son. God bless and have a nice day ahead!

Posted in Mathematics

Each set of ordered pairs represents a function. Write a rule that represents the function. 1. (0,0),(1,4),(2,16),(3,36),(4,64) 2. (0,0),(1,0.5),(2,2),(3,4.5),(4,8)

My answer to the question is as follows:

First one looks like you are squaring the number, then multiplying the result by 4, i.e.

y=4x2

second one is similar, but instead of squaring and multiplying by 4, you are squaring and then dividing by 2

I hope my answer has come to your help. God bless and have a nice day ahead!

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How to estimate 184÷9 in multiplication

Do you mean checking your work? In that case it would be 9*20.

Posted in Mathematics

Which is bigger 0.07 or 0.005?

0.07 is the larger number out of the two

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Write two equivalent fractions for each. 1/2 and 4/5

An equivalent fraction for 1/2 would be 2/4. This is because you can simplify 2/4 by dividing it by 2. The final answer would be 1/2.

An equivalent fraction for 4/5 would be 8/10. It's basically the same thing. Divide them both by 2 and you'll get 4/5 since 8 divided by 2 is 4, and 10 divided by 2 is 5.

Posted in Mathematics

200x50 mathematics problem

200*50=10,000.
2*5=10
20*50=1000
200*50=10000

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Posted in Mathematics

How was percent used to solve real-world problems

A. When your teacher grades a test, s/he will give you percents (Ex: 99%, 87%...)
B. On Black Fridays, it would say 50% off, 30% off...

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How do you multiply fractions and express product in simplestform.

You just multiply top times top and bottom times bottom and then find a number you can divide into the number and you keep doing that until you can't simplify any more.

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Posted in Mathematics

11/12 - 5/8 Write your answer as a fraction in simplest form.

11/12 - 5/8 = 22-15 / 24 = 7/24

So, your final answer is 7/24

Hope this helps!

Posted in Mathematics

Write 2/5 as a decimal

I think the answer will be 2.5

Posted in Mathematics

How to write 2/5 as a decimal

The anwser it is................. 0.4

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Please help me solve this math problem

You would have to add up the total participants in the survey first. So, 30+35+40+25+10=140. Now, you would take the number of people under 17 (30) and divide it by the total participants (140). 30/140=21.4%. Hope this helps.

Ok, so when you're reading the bar graph, you can tell how many participants are in each group by looking at the y-axis. For example, there are 30 people under 17. There are 35 people aged 18-24, etc. The numbers on the y-axis you add up. So 30 (for under 17)+35(for 18-24), etc. Now, a percentage is basically a proportion.  So the whole, which in this case is the total amount of people surveyed, will always be the denominator. Then the portion that we are trying to find, which in this case is the people surveyed under 17, will be the numerator. Hence, 30/140.



Posted in Mathematics

Write an expression for the area of the shaded region in its simplest form. show all of your steps

The answer is x² + 23x + 49

The area (A) of the shaded region is the difference between the area of the rectangle (A1) and the white square (A2).
A = A1 - A2

A1 = (x + 10)(2x + 5)
    = 2x² + 5x + 20x + 50
    = 2x² + 25x + 50
A2 = (x +1 )² = x² + 2x + 1

A = A1 - A2
    = 2x² + 25x + 50 - (x² + 2x + 1)
    = 2x² + 25x + 50 - x² - 2x - 1
    = x² + 23x + 49

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The table shows revenue R (in millions of dollars) of a company when it spends A (in millions of dollars) in advertising. a. Write a linear function that relates the revenue to the advertising cost. b. What is the revenue of the company when it spends $10 million on advertising? (Table is attached below)

Advertising is x and revenue is y

(0,2)(2,6)
slope = (6 - 2) / (2 - 0) = 4/2 = 2

y = mx + b
slope(m) = 2
(0,2)...x = 0 and y = 2
now we sub and find b, the y int
2 = 2(0) + b
2 = b

so ur equation is : y = 2x + 2

spends 10 mill on advertising.....so x = 10
y = 2x + 2
y = 2(10) + 2
y = 20 + 2
y = 22.....so the revenue (y) of the company is 22 (million)

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