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Sauron [17]
3 years ago
13

7(1-2x)=-x+33solve with every step

Mathematics
2 answers:
11111nata11111 [884]3 years ago
7 0

x= -2

my friend included the steps above

Gelneren [198K]3 years ago
6 0

7(1 - 2x) = -x + 33

Distribute 7 inside the parentheses.

7 - 14x = -x + 33

Subtract 7 from both sides.

-14x = -x + 26

Add x to both sides.

-13x = 26

Divide both sides by -13.

x = -2

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maw [93]
I think you want to prove that a rectangle is a quadrilateral. You can prove this with definitions. The definition of a quadrilateral is that it is a shape with four sides. Since a rectangle has four sides, that proves that a rectangle is a quadrilateral. 
7 0
2 years ago
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Evaluate 15+w for w=6
svetlana [45]

Answer:

21

Step-by-step explanation:

To evaluate, substitute w = 6 into the expression, that is

15 + w = 15 + 6 = 21

3 0
2 years ago
What is 3/16 of 200 written as a percentage
Georgia [21]

The expression 3/16 of 200 expression as a percentage is; 6.25%.

<h3>What is the value of 3/16 of 200 written as a percentage?</h3>

The value of the expression given in the task content can be evaluated as follows;

3/16 × 200 = 12.5

Hence, the value 12.5 expressed as a percentage of 200 is;

(12.5/200) × 100%.

= 6.25%.

Read more on percentages;

brainly.com/question/16865197

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7 0
2 years ago
WORTH 99 POINTS!
Ksivusya [100]
The general formula for the lateral surface area of a regular pyramid is:
A= \frac{1}{2} *p*l
Where:
p=perimeter of a base
l=slant height

a.
a=3ft
l=4ft
p=5*a=5*3=15ft
A= \frac{1}{2} *15*4=30 ft^{2}

b.
a=2.5ft
l=4ft
p=6*a=6*2.5=15ft
A= \frac{1}{2} *15*4=30 ft^{2}

c.
a=1.9ft
l=4ft
p=8*a=8*1.9=15.2ft
A= \frac{1}{2} *15.2*4=30.4 ft^{2}

d.
Based on a lateral surface area the blue umbrella is best choice. But, the best umbrella overall is the one with the greatest base area. General formula for regular polygon is:
A= \frac{1}{4} *n* a^{2}*cot( \frac{180}{n} )

For pentagon:
A=15.48ft^2
For hexagon:
A=16.24ft^2
For octagon:
A=17.43ft^2
Blue umbrella is still best choice.
8 0
2 years ago
Read 2 more answers
What does the line 4x y = 17 look like?
olganol [36]
The equation must be 4x + y = 17

I will use the y-intercept slope version

y = - 4x + 17

Then the slope is negative (-4) and the y-intercept is 17.

The line passes through the points (0,17) and (0,17/4). The negative slope indicates that the line goes down from left to right (y decreases when x increases).
4 0
3 years ago
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