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Bad White [126]
3 years ago
8

7(x+2)+34=55 (Find X in the following question)

Mathematics
2 answers:
nydimaria [60]3 years ago
8 0

Answer:

x = 1

Step-by-step explanation:

7(x+2)+34=55

7(x+2)+34=55

(7)(x)+(7)(2)+34=55

7x+14+34=55

7x+48=55

7x = 55 - 48

7x=7

<h3>x =  \frac{7}{7}</h3>

x = 1

<h3>Hope it is helpful.....</h3>
Rzqust [24]3 years ago
7 0

Answer:x=1

Step-by-step explanation:

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c

Step-by-step explanation:

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3 years ago
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Which function has a greater rate of change? Function A: x 1.5 2.5 3.5 4.5 5.5 y 5 0 –5 –10 –15 Function B: y = –4.5x + 15 Funct
expeople1 [14]

Answer:

Function A has a rate of change of -5 and Function B has a rate of change of -4.5, so Function B has a greater rate of

Step-by-step explanation:

Function A:

\begin{array}{cccccc}x & {1.5} & {2.5} & {3.5} & {4.5} & {5.5} \ \\ y & {5} & {0} & {-5} & {-10} & {-15} \ \end{array}

Function B:

y = -4.5x + 15

Required

Which has a greater rate of change

The rate of change of function A is calculated as thus:

m = \frac{y_2 - y_1}{x_2 - x_1}

Where:

(x_1,y_1) = (1.5,5)

(x_2,y_2) = (2.5,0)

So, we have:

m = \frac{0-5}{2.5 - 1.5}

m = \frac{-5}{1}

m = -5

For function B

The general function is:

y = mx + b

Where

m is the rate of change

By comparing y = mx + b to y = -4.5x + 15

m = -4.5

So, we have that:

Function A has a rate of -5; function B has a rate of -4.5.

By comparison: -4.5 is greater than 5

Hence, function B has a greater rate.

4 0
3 years ago
What is the perimeter of a regular octagon in which all sides have a length of 5 feet.
sineoko [7]
Octagons have 8 sides. If each side is 5 feet then the perimeter is 40 feet. You add up the sides.
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3 years ago
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Can someone tell me the answer to this?
lord [1]

Answer:

c is the answer i hope this helps

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3 years ago
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Zayed is helping his classmates get ready for their math test by making them identical packages of pencils and calculators. He h
oee [108]
So 72 pencils and 24 calculators
so greates number of identical calculators

this means
what is the biggest number that we can divide 72 and 24 by and get a whole number
this is called the GCM or greatest common multipule

to find the GCM, you factor 72 and group the like ones
72=2 times 2 times 2 times 3 times 3
24=2 times 2 times 2 times 3
so the common group is 2 times 2 times 2 times 3 or 24
so the greates number of packs is 24

so pencils
72 divided by 24=72/24=3
3 pencils per pack

24 divided by 24=24/24=1
1 calulator per pack


answer is 3 pencils and 1 calculator per pack
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3 years ago
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