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kotykmax [81]
3 years ago
14

/

22}=8" align="absmiddle" class="latex-formula"> find the answer
Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0

Answer:

b = 149

Step-by-step explanation:

Given

\frac{27+b}{22} = 8

Multiply both sides by 22 to clear the fraction

27 + b = 176 ( subtract 27 from both sides )

b = 149

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Can someone help me with this question
Savatey [412]

x^2 + 9.5^2 = 11^2

x^2 + 90.25 = 121

x^2 = 30.75

x^2 = \sqrt{30.75}

x = 5.54cm

rounded: 5.5cm

answer: D

6 0
2 years ago
HELP ME PLEASE!!
LUCKY_DIMON [66]

Using a system of equation, we have that:

a)

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

b)

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

c)

The cost of one on-site repair service is of $90.

Item a:

The variables are:

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

Item b:

On-site service costs <u>3 times as much as at-store service</u>, thus:

x = 3y

By mail service costs <u>$10 less than at-store</u>  service, thus:

z = y - 10

Last week, the shop completed <u>15 services on-site, 40 services at-store, and 5 services by mail for total sales of $3100</u>, thus:

15x + 40y + 5z = 3100

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

Item c:

  • The cost of one on-site repair service is x.
  • First, replacing the first two equations into the third, we find y, and then with it we find x.

15x + 40y + 5z = 3100

15(4y) + 40y + 5(y - 10) = 3100

60y + 40y + 5y = 3150

105y = 3150

y = \frac{3150}{105}

y = 30

Then

x = 3y = 3(30) = 90

The cost of one on-site repair service is of $90.

A similar problem is given at brainly.com/question/24823220

3 0
2 years ago
Round this to the nearest hundred. 728
hammer [34]
<span>Round this to the nearest hundred. 728

= 700</span>
6 0
3 years ago
A carpenter has a 6 foot long board, he wants to cut the board into pieces that are 4/5 foot long
Artyom0805 [142]
You need to divide 6 by 4/5.
6÷4/5
6 x 5/4
30/4
7 2/4 = 7 1/2 answer
5 0
3 years ago
The combined weight of three basset hounds is 185 pounds. The two smaller dogs weigh the same. The difference between the larger
olga2289 [7]

Answer:

75 pounds

Step-by-step explanation:

(x) + (x) + (x+20) = 185

3x + 20 = 185

3x = 165

x = 55

Large dog = 55 + 20 = 75

5 0
3 years ago
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