MATHEMATICS MIDDLE SCHOOL

Which number is between 0.6 and 7/9

A 23/27
B 31/45
C 14/27
D 1/3

Answers

Answer 1
Answer: The best way to find the answer is to convert the fractions to decimals using a calculator.
(7/9) is (0.7777). This means that we are looking for a number between 0.6 and 0.7777.
A. (23/27) is .8519. This is not the answer.
B. (31/45) is .6889. This falls in between 0.6 and 0.777 because 0.6 is less than 0.6889 and 0.7777 is greater than 0.6889.

There is no reason to look at C and D because we know that B is the answer.

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Which three ordered pairs complete the table to give solutions of the equation y = x – 5?A.(–3, –2), (0, –5), and (3, 2)B.(–3, –2), (0, –5), and (3, –2)C.(–3, –8), (0, –5), and (3, 2)D.(–3, –8), (0, –5), and (3, –2)

How do I right 0.389 in expanded form

Answers

0.389= (3x1/10)+(8x1/100)+(9x1/1,000=

How many times does 45 go into 280

Answers

45*6 = 270

280-270 = 10

45 can go into 280 , only 6 times, and their is a remainder of 10.
It just goes 6 times because 280÷45=6 r10.:-) wish this could help you.

Which value shows 5/8 written as a percent?A.
6.25%

B.
58%

C.
62.5%

D.
0.625%

Answers


if you divide 5 by 8, you will get .625, so the answer is 62.5%
It would be D i think if im not mistaken 

Jessie colored a poster she colored 2/5 of the post to read which fraction is equivalent to 2/5

Answers

It can be 4/10.
You get this be multiplying the denominator and numerator by 2.
~JZ
Hope it helps
your answer would be 4/10
I multiplied the numerator and the denominator by 2
and if you cancelled 4/10
you would get 2/5

(2,10) as equation of direct variation

Answers

direct variation is
y=kx
(x,y)
(2,10)
10=k2
divide 2
5=k

equation is
y=5x

A cone has a diameter of 30 in. and a slant height of 17 in.What is the approximate volume of the cone? Use 3.14 to approximate the value of PI.
Round your answer to the nearest tenth, if necessary.

Answers

Use the given formula :

V=\frac{1}3\pi r^2h=\frac{1}3\pi (\frac{D}2)^2h where D is the diameter.

By Pythagoras, h=√(17^2-(30/2)^2)=8\text{ in}

Hence V\approx\frac{3.14}3*15^2*8=\boxed{1884.0\text{ in}^3}
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