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2 years ago

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5. Which of the following is an example of a proper fraction? A. 4/3 B. 4/4 C. 7/6 D. 3/4

2 answers:

Sindrei [870]2 years ago

7 0

Salutations!

Which of the following is an example of a proper fraction?

3/4 is a proper fraction. Proper fractions are fractions that have a number that is smaller numerator and greater denominator. 7/6 and 4/3 are improper fractions. Improper fractions are fractions that have a greater numerator and a smaller denominator. 4/4 is a like fraction. Like fractions are fractions that have alike numbers in both numerators and denominators.

Thus, your answer is option D.

Hope I helped (:

Have a great day!

CaHeK987 [17]2 years ago

5 0

D. is the proper fraction

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2 years ago

What is the value of "x" if -2(3x+2)>-8x+6

lukranit [14]

Answer:

<h2>x > 5</h2>

Step-by-step explanation:

-2(3x+2) > -8x+6

Expand the terms

That's

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- 6x + 8x > 6 + 4

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Divide both sides by 5

<h3>x > 5</h3>

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2 years ago

To find the area of parallelogram RSTU, Juan starts by drawing a rectangle around it. Each vertex of parallelogram RSTU is on a

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3 years ago

Read 2 more answers

Determine the mass of a solid steel ball that has a diameter of 10 cm. The density of pure steel is 8.09 g/cm3

Basile [38]

Answer:

<em>The mass of the steel ball is 4,235.9 gr</em>

Step-by-step explanation:

<u>Density</u>

The density ρ of a substance is a measure of its mass per unit volume:

$\displaystyle \rho=\frac{m}{V}$

If the density and the volume are given, the mass can be calculated by solving the above formula for m:

$m=\rho.V$

We know the density of pure steel ρ=8.09 gr/cm3 and the diameter of a solid steel ball d=10 cm.

We need to calculate the volume of the sphere:

The volume of a sphere of radius r is given by:

$\displaystyle V=\frac{4}{3}\cdot \pi\cdot r^3$

The radius is half the diameter: r= 10/2 = 5 cm. Thus:

$\displaystyle V=\frac{4}{3}\cdot \pi\cdot 5^3$

Calculating:

$V=523.6\ cm^3$

The mass is:

$m=8.09 gr/cm^3 \cdot 523.6\ cm^3$

m=4,235.9 gr

The mass of the steel ball is 4,235.9 gr

4 0

2 years ago

Giovanni justifies whether the expression -4x-8 is equivalent to -2(x+1)-2(x+3) by letting x=3 in both expressions. What is the

Lorico [155]

Answer:

The value of each expression when x=3 will be -20 and -20.

Step-by-step explanation:

Given the expression

-4x-8

setting x=3

= -4(3)-8

=-12-8

=-20

Given the expression

-2(x+1)-2(x+3)

setting x=3

=-2(3+1)-2(3+3)

=-2(4)-2(6)

=-8-12

=-20

so we conclude that the value of both the expressions was -20 when we substituted the value x=3.

Therefore, the value of each expression when x=3 will be -20 and -20.

3 0

2 years ago