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2 years ago

Twelve times one-half of a number is thirty six. What is the number? a. 3 b. 6 C. 8 d. 18

Mathematics

1 answer:

sukhopar [10]2 years ago

7 0

The number would be C- 6

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Math Homework Number 49

navik [9.2K]

[((2 / 75.5) - 3) * 2]3 (make 3 an exponent.)

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2 years ago

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Y=-3x + 10<br> y = -2x + 6<br> Substitution method

Nutka1998 [239]

Answer:

x=4 and y=−2

Step-by-step explanation:

y=−3x+10;y=−2x+6

Step: Solve y=−3x+10for y:

Step: Substitute−3x+10foryiny=−2x+6:

y=−2x+6

−3x+10=−2x+6

−3x+10+2x=−2x+6+2x(Add 2x to both sides)

−x+10=6

−x+10+−10=6+−10(Add -10 to both sides)

−x=−4

-x/-1 = -4/-1 (Divide both sides by -1)

x=4

Step: Substitute4forxiny=−3x+10:

y=−3x+10

y=(−3)(4)+10

y=−2(Simplify both sides of the equation)

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2 years ago

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Measuring Units Worksheet 2 Convert the following measurements. 1 a. 4.13 cm = mm 2 a. 486 cm = m 3 a. 4.2 m = cm 4 a. 706 cm =

DaniilM [7]

Answer:

41.3 mm
4.86 m
420 cm
7.06 m
2.2 cm
5.93 m
255 cm
79 cm
46.9 mm
3.29 m

Step-by-step explanation:

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2 years ago

A 16 1/2 kilometer stretch of road needs repairs. Workers can repair 2 1/4 kilometer of road per week. How many weeks will take

liraira [26]

Answer:

$7\frac{1}{3}\ weeks$

Step-by-step explanation:

we know that

To find out how many weeks it will take to repair this stretch of road, divide the total length of the road by the workers' rate

$\frac{16\frac{1}{2}}{2\frac{1}{4}}$

Convert mixed number to an improper fraction

$16\frac{1}{2}\ km=\frac{16*2+1}{2}=\frac{33}{2}\ km$

$2\frac{1}{4}\ km=\frac{2*4+1}{4}=\frac{9}{4}\ km/week$

substitute

$(33/2)/(9/4)=\frac{132}{18}\ weeks$

Convert to mixed number

$\frac{132}{18}\ weeks=\frac{126}{18}+\frac{6}{18}=7\frac{1}{3}\ weeks$

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2 years ago

The formula below is used to convert a temperature in degrees Celsius c to a temperature in degrees Fahrenheit f : f=1.8c+32 the

vredina [299]

Oh my guy you ate so many

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2 years ago