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baherus [9]
3 years ago
15

The sum of 3 consecutive odd numbers is 270, find the first number

Mathematics
1 answer:
mylen [45]3 years ago
7 0

Let the first number be x

The second number is x + 2

The third number is x + 4

x + x + 2 + x + 4 = 270

3x = 270 - 6

x = 88

x is not prime so there is no first number!

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What diretction does the parabola open if its equatin is y=-4(x+2)^2
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It is a cap-size parabola. The parabola "goes down". The graph of this function looks like in this attached picture. 

5 0
3 years ago
Find the value of x in the equation x⁄ 4 + x⁄14 + x⁄17 = 71
Morgarella [4.7K]

Hello from MrBillDoesMath!

Answer:

33769/181

Discussion:

Each term contains "x" so factoring it out gives

x( 1/4 + 1/14 + 1/17)  = 71       (*)

Use common factor (17*14*4  = 952) as the denominator to combine terms:

1/4 =  (17*14)/ 952  = 238/952

1/14 = (17*4)/952 = 68/952

1/17 = (14*4)/952  = 56/952

so 1/4 + 1/14 + 1/17 =    (238 + 68 + 56)/ 952 =  362/952 = 181/476

Substituting in (*) gives

x ( 181/476)  = 71                       => multiply both sides by 476/181

x = (71 * 476)/181                       => 71* 476 =33769

x = 33769/181

Thank you,

MrB

4 0
4 years ago
Rebecca gets a part time job in order to pay for her cheerleading uniform. her employer tells her that she will be earning $7.25
qwelly [4]

<u>Answer:</u>

$1972

<u>Step-by-step explanation:</u>

We are given that Rebecca will earn $7.25 per hour for her job and she is promised to have 34 hour workdays per week.

We are to find the minimum amount of money she will gross in eight weeks.

Number of hours of work in 8 weeks = 34 \times 8 = 272 hours

Minimum amount of money she will earn in 8 weeks = 272 \times 7.25 = $1972

4 0
3 years ago
Solve 3x-2y=15 for y?
Nikitich [7]

Answer:

y=3x-15

Step-by-step explanation:

3x-2y=15

   +2y +2y

3x=15+2y

-15 -15

y=3x-15

7 0
3 years ago
Please helllpppp......​
MrRissso [65]

Answer:

y = 2x + 10

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2, thus

y = 2x + c ← is the partial equation

To find c substitute (- 3, 4) into the partial equation

4 = - 6 + c ⇒ c = 4 + 6 = 10

y = 2x + 10 ← equation of line

6 0
3 years ago
Read 2 more answers
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