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Vlada [557]
3 years ago
14

lass="latex-formula">
can have the answer please ​
Mathematics
2 answers:
DiKsa [7]3 years ago
8 0
X=22
Add 4 plus 18 and your answer comes out to 22
lesantik [10]3 years ago
7 0
It should be 15 xymanajsdfood
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The students in Roberto's school are painting a mural that will be 15 feet by 8 feet. First they make a scale drawing of the mur
Verizon [17]

Answer:

x = 2 * (y/5) feets

Step-by-step explanation:

Given that :

Actual dimension of mural = 15 feet by 8 feet

Scale drawing = 2 feet : 5 feet

2 feets on the scale drawing represents 5 feets of the actual drawing.

Drawing length (x)

Actual mural length (y)

x = 2 * (y/5) feets

Hence, dimension of scale drawing:

x = 2 * (15/5) ; x = 2 * (8/5)

x = 6 feets ; 3.2 feets

3 0
3 years ago
How do you do this problem?
umka2103 [35]

Answer:

Step-by-step explanation:

You are going to work entirely on the right, until you can compare what is on the right with what you are given on the left.

a/1 + b/(x + 2) + c/(x - 8)

The first step is to determine the common denominator which is

(x + 2)(x - 8)

Now put each fraction over the common denominator.

<u>a(x + 2)(x - 8) + b(x - 8) + c(x + 2)</u>

             (x + 2)(x - 8)

The denominators on the left and right are the same, so you need only work with the numerators.

Remove the brackets.

a(x^2 - 6x - 16) + bx - 8b + cx + 2c

ax^2 - 6ax - 16a + bx - 8b + cx + 2c

In that whole expression, there is only 1 term that has an x^2 in it and that is the very first term.

a = 2 when you compare it to the left. You do this so you can get a value for  a.

Now put a = 2 in the first three terms on the expression above

2x^2 - 6*2x - 16(2) + bx - 8b + cx + 2c

2x^2 - 12x - 32 + bx - 8b + cx + 2c

The next thing is to get all the terms containing x together.

-12x + bx + cx = - 14x That's the term on the left (-14x). Divide by x

-12 + b + c = - 14          Add 12 to both sides

b + c = -14 + 12

b + c = - 2                    (x)

======================

Now you equate the terms with no x's in them.

-32 - 8b + 2c = - 76      Add 32 to both sides.

-8b + 2c = - 76 + 32

-8b + 2c = - 44             Divide by 2

-4b + c = - 22               (y)

Subtract (y) - (x)

-4b + c = - 22

 <u> b + c = - 2</u>

- 5b = - 20                   Divide by - 5

-5b/-5 = - 20/-5

b = 4

==============

b + c = - 2                     Find c substitute b = 4

4 + c = - 2                     Subtract 4 from both sides

c = - 2 - 4

c = - 6      

===============  

Answer

a = 2

b = 4

c = -6

6 0
3 years ago
There are 250 students in the 6th grade. 45 percent of the students eat lunch 4th period. How many students eat lunch 4th period
aev [14]

Answer

About 112 students eat lunch 4th period

Step-by-step explanation:

250*.45 = 113

112.5 rounded is 112 because there can not be any half students

3 0
2 years ago
Read 2 more answers
The equation of the line shown in the graph is y = ?.
Vesna [10]
Equation if the line for the graph is
y = -2x+1
6 0
3 years ago
Write the digit in the ten thousands place
mars1129 [50]
For now I don't know the answer to this problem of yours.
8 0
3 years ago
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