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IrinaK [193]
3 years ago
14

Which expression represents the phrase, "one fifth the sum of 14 and a number"?

Mathematics
1 answer:
Mkey [24]3 years ago
5 0

Answer:

1/5(14+×)

Step-by-step explanation:

The sum of 14 and x has to be (14+x)

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Please help me!!!! Anyone pleaseeeee!!!
otez555 [7]

Answer:

69 degree

Step-by-step explanation:

Using cosine formula again :))

So we have

BC^2 = AB^2 + AC^2 - 2*AB*AC*cosA

BC^2 = 32^2 + 28^2 -2*28*32*cos56

BC = 28.3884 cm

So B:

AC^2 = AB^2 + BC^2 - 2*AB*BC*cosB

CosB=0.3559

B=69.14 degree

3 0
3 years ago
If the mean of the data set is 7 raisins, find the number of raisins in each scoop of Great4U.
Bingel [31]

Step-by-step explanation:

The mean is given as 7. That is the only information given, and it is not enough to determine the number of raisin in each scoop.

Suppose the total number of raisins was given, then the total number of raisins is easily given as (total number of raisins) ÷ (mean)

= (total number of raisins) ÷ 7

5 0
3 years ago
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Which expression is equivalent to 21d + 18
ra1l [238]
C! Is the correct answer
4 0
3 years ago
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Two mechanics worked on a car. The first mechanic charged S95 per hour, and the second mechanic charged S115 per hour.
Norma-Jean [14]

The first mechanic worked for 10 hours and the second mechanic worked for 15 hours.

Step-by-step explanation:

Given,

Charges of first mechanic = $95 per hour

Charges of second mechanic = $115 per hour

Total hours = 25

Total amount charged = $2675

Let,

The number of hours worked by first mechanic = x

The number of hours worked by second mechanic = y

According to given statement;

x+y=25    Eqn 1

95x+115y=2675     Eqn 2

Multiplying Eqn 1 by 95

95(x+y=25)\\95x+95y=2375\ \ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(95x+115y)-(95x+95y)=2675-2375\\95x+115y-95x-95y=300\\20y=300

Dividing both sides by 20

\frac{20y}{20}=\frac{300}{20}\\y=15

Putting y=15 in Eqn 1

x+15=25\\x=25-15\\x=10

The first mechanic worked for 10 hours and the second mechanic worked for 15 hours.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/12700460
  • brainly.com/question/12773544

#LearnwithBrainly

6 0
3 years ago
What is the area for 10 and 6 1/2
schepotkina [342]

Answer:

65 units squared

Step-by-step explanation:

Why:area is base length times width. Considering what you gave me, 10 * 6.5 =65

6 0
3 years ago
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