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masha68 [24]
3 years ago
7

4 – (2x + 5) = (–4x – 2)

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
8 0

Answer:

the equation is false

Step-by-step explanation:

Marrrta [24]3 years ago
7 0

3/2

Isolate the variable by dividing each side by factors that don't contain the variable.

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A typical person has an average heart rate of 71.0 beats/min. Calculate the given questions. How many beats does she have in 4.0
zysi [14]

Answer:

37317600  beats she will have in 4 years.

Step-by-step explanation:

Given that,

A typical person has an average heart rate of 71.0 beats/min.

We need to find the number of beats she have in 4 years.

As 1 year = 525600 min

1 min = 71 beats

525600 min = 525600 × 71

=37317600  beats

Hence, 37317600  beats she will have in 4 years.

6 0
3 years ago
Equation for the area of a circle with a diameter of 31.6 cm. Use 3.14 for
goldfiish [28.3K]

Answer:

783.8696

Step-by-step explanation:

The way to find the area of a circle is to find the radius, multiply it by itself, then multiply by pi. The diameter is double the radius so we have to divide the diameter by 2 to find the radius. 31.6/2 is equal to 15.8, and if we plug it into our formula, we can find that the area is 15.8 * 15.8 * pi, and since we use 3.14 for pi, the area is 15.8 * 15.8 * 3.14. We can use a calculator for this part and find that the area of this circle is 783.8696.

6 0
2 years ago
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Which measure is most appropriate to describe the center of the data in the stem-and-leaf plot below?
raketka [301]

Answer:

Median

Step-by-step explanation:

The centre of every data set is the second quartile/50th percentile/median

3 0
3 years ago
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Write an expression to represent:<br> One minus the product of four and a number x
vlada-n [284]

Answer:

1-4x

Step-by-step explanation:

5 0
3 years ago
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Simplify the expression to a polynomial in standard form<br> (-2x – 1)(-3x2 + 6x + 8)
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Answer:

6x^3−9x^2−22x−8

Step-by-step explanation:

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3 years ago
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