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Dominik [7]
2 years ago
9

negative 1 times the sum of twice a number and 3 is equal to two times the difference of -4 times the number and 3. What is the

number
Mathematics
1 answer:
zaharov [31]2 years ago
5 0

Answer:

1.5

Step-by-step explanation:

Let the number be denoted as "a"

-1 (2a + 3) = 2 (-4a + 3)

-2a - 3 = -8a + 6

-2a + 8a = 6 + 3

6a = 9

a = 9/6

a = 3/2 = 1.5

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Answer:314

Step-by-step explanation: To find area you use the formula πr^2. Your radius is 10 (since it is half your diameter). Plug it in to get π(10)^2. or 100π. Then just substitute 3.14 for π. You have 100 times 3.14 which equals 314

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PLEASE HELP ME ITS 9TH GRADE MATH
Marysya12 [62]

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Step-by-step explanation:

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Unit 1 Lesson 5 Cumulative Practice Problems Geometry Illustrative Mathematics answer key
AnnZ [28]

Congruent distance is a term used for distance with equal measurements. EA and EB are congruent; FA and FB are also congruent

I've added as an attachment, the image of the complete question.

From the attached image of the circles, we have the following observations

  • Points A and B are at the centers of both circles
  • Point E is at the exact point of intersection of both circles
  • Point F is also at the exact point of intersection of both circles (opposite point E).

These observations mean that:

  • The distance from A to E and B to E are the equal (congruent)
  • The distance from A to F and B to F are the equal (congruent)

Hence,

  • <em>Distance EA and distance EB are congruent;</em>
  • <em>Distance FA and distance FB are congruent;</em>

Read more about circles at:

brainly.com/question/11833983

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5. Greg used a sensor to measure the speed of a moving car at different
Hatshy [7]

The correct option regarding whether the table represents a proportional relationship is:

The relationship is proportional because the ratio of m to k is constant.

<h3>What is a proportional relationship?</h3>

A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:

y = kx

In which k is the constant of proportionality.

In this problem, the ratio of m to km is given as follows:

k = 11/17.699 = 26/41.834 = 34/54.706 = 0.6215.

Since the values are equal, the correct option is:

The relationship is proportional because the ratio of m to k is constant.

More can be learned about proportional relationships at brainly.com/question/10424180

#SPJ1

4 0
1 year ago
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