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stepan [7]
3 years ago
11

Evaluate the following expression. 3 + 90 = 10

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer: The answer is 9.3 if the coefficient is 10, but the answer is -80/3 if the coefficient is 3

Step-by-step explanation:

Let's solve your equation step-by-step.

3+90=10x

Step 1: Simplify both sides of the equation.

3+90=10x

(3+90)=10x(Combine Like Terms)

93=10x

93=10x

Step 2: Flip the equation.

10x=93

Step 3: Divide both sides by 10.

10x

10

=

93

10

x=

93

10

Answer:

x=

93

10

Let's solve your equation step-by-step.

3x+90=10

Step 1: Subtract 90 from both sides.

3x+90−90=10−90

3x=−80

Step 2: Divide both sides by 3.

3x

3

=

−80

3

x=

−80

3

Answer:

x=

−80

3

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In 2015, the population of a small town was 8,000. The population is increasing at a rate of 1.8% per year. What is the monthly
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Answer:

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y= a*b x (a is initial value b= growth rate)

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f(x)=x. f ( x )= x. = 0.1527 * 12

or we can square so that x^2=1.8 and x= 1.34164 note this can only be used for the first 5 decimal place.

This shows the exponential growth we expand and introduce y=8000 (-1)^12 to find one year.

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6 0
3 years ago
A restaurant customer left ​$1.80 as a tip. The tax was 8% and the tip was ​20% of the cost including tax.
PtichkaEL [24]

Answer:The bill before tax was $8.33

Step-by-step explanation: Divide tip by portion of bill:

1.80/0.20 = 9.00

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8 0
3 years ago
Quadrilateral ABCD in the figure below represents a scaled-down model of a walkway around a historic site. Quadrilateral EFGH re
Mkey [24]

the picture in the attached figure

Step 1

Find the perimeter of the scaled-down model of a walkway (Quadrilateral ABCD)

P=AD+DC+CB+BA\\P=3+2+2+4\\ P=11 in

Step 2

Find the scale factor

if Quadrilateral ABCD is similar to Quadrilateral EFGH

then

PerimeterEFGH=PerimeterABCD*scale factor

scale.factor=\frac{EF}{AB} \\ \\ scale.factor=\frac{60}{4} \\ \\ scale.factor=15\frac{ft}{in}

Step 3

Find the perimeter of the actual walkway (Quadrilateral EFGH)

PerimeterEFGH=PerimeterABCD*scale factor

PerimeterEFGH=11*15

PerimeterEFGH=165 ft

therefore

the answer is

165 ft

8 0
3 years ago
Read 2 more answers
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