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pickupchik [31]
3 years ago
12

Use the distributive to simplify: 3{4x - 10}

Mathematics
1 answer:
liraira [26]3 years ago
4 0
12x-30 would be the accurate answer
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The m_ACD = (4x + 4)Á and m_ABD = (6x - 14)Á. Find m_ACD.
Temka [501]
From the figure, m<ACD = m<ABD
4x + 4 = 6x - 14
6x - 4x = 4 + 14
2x = 18
x = 9

Therefore, m<ACD = 4(9) + 4 = 40°
6 0
3 years ago
1. If 4.75x = 12.35, what is the value of x? 2. What is 3x +2+ 4x - 1 after combining like terms?
eimsori [14]

Answer:

1. x = 2.6

2. 7x + 1

Step-by-step explanation:

1.

Given:

4.75x = 12.35

Find x

4.75x = 12.35

Divide both sides by the coefficient of x, that is 4.75

4.75x / 4.75 = 12.35 / 4.75

x = 2.6

Check

4.75x = 12.35

4.75(2.6) = 12.35

12.35 = 12.35

2.

Given:

3x + 2 + 4x - 1

Combine like terms

3x + 4x + 2 - 1

7x + 1

6 0
3 years ago
A bank loans ​$2100 to a business at 7​% for 3 months. How much simple interest will the bank​ earn?
Natali [406]

Answer:

  $36.75

Step-by-step explanation:

The amount of interest payable is given by ...

  I = Prt = $2100·0.07·(3/12) . . . . . . . . t is in years

  I = $36.75

The bank earned $36.75 on the loan.

7 0
3 years ago
The ages (in years) and weights (in pounds) of all wide receivers for a football team are listed. Find the coefficient of variat
IceJOKER [234]

Answer:

The coefficient of variation for the weight and age are 5.9% and 10.6%.

Step-by-step explanation:

The coefficient of variation (CV) is well defined as the ratio of the standard deviation to the mean. It exhibits the degree of variation in association to the mean of the population.

The formula to compute the coefficient of variation is:

CV=\frac{\sigma}{\mu}\times 100\%

Here σ = standard deviation and µ = mean.

Compute the mean and standard deviations of the two data set in Excel using the following functions.

Mean=AVERAGE()

Standard deviation=STDEV.S()

Consider the Excel sheet attached.

The mean and standard deviation of weight are:

Mean = 202, Standard deviation = 11.87

And the mean and standard deviation of weight are:

Mean = 25.88, Standard deviation = 2.75

Compute the coefficient of variation for the weight as follows:

CV_{weight}=\frac{\sigma}{\mu}\times 100\%

              =\frac{11.87}{202}\times 100\%\\\\=5.87624\\\\=5.9\%

Compute the coefficient of variation for the age as follows:

CV_{age}=\frac{\sigma}{\mu}\times 100\%

              =\frac{2.75}{25.88}\times 100\%\\\\=10.62597\\\\=10.6\%

Thus, the coefficient of variation for the weight and age are 5.9% and 10.6%.

8 0
3 years ago
Evan told his class that the people in his family have 14 legs altogether.Quinton said that there must be 7 people in Even's fam
lianna [129]
Quinton is correct because each person has 2 legs and the multiplied by 7 is 14 that's why I say he is correct

4 0
3 years ago
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