MATHEMATICS MIDDLE SCHOOL

1. What is the volume of the cube?( 15 mm )
A.
1350 mm3
B.
225 mm3
C.
45 mm3
D.
3375 mm3

Answers

Answer 1
Answer: I'm guessing 15 mm is the side length.

V = a^3

Where 'a' is the side length.

V = 15^3

V = 3375

So the volume of the cube is 3375 mm^3.
Answer 2
Answer: a cube volume is side legnth=x    x^3
so assuming that 15 is the side legnth then
15^3=15 times 15 times 15=3375mm^3 which is D

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Rewrite using the Distributive Property, the evaluate. 4 x 35

Answers

distributive property is the switch in number
35*4=140
Hope this helped
35*4 is the distributive property for 4*35

x ^(2) - 8x = 3solve by factoring please. I really need help I have no clue how to solve by factoring like I forgot the steps so can u work the steps out also please

Answers

Answer:

x = 4 + √(19)

Step-by-step explanation:

To solve by factoring, complete the square by dividing 8 from 8x in 2. Then square the result 4 to get 16. Add 16 to both sides.

x^2 -8x = 3\n\nx^2 - 8x + 16 = 3 + 16\n\n(x-4)^2 = 19

The equation is now factored. To solve, take the square root of both sides and solve for x.

√((x-4)^2)  = √(19)\n\nx-4 = √(19) \n\nx = 4 + √(19)

Expanded form how you would write this 125524780 in expanded form

Answers

ALL EXPANDED FORMS

Expanded Notation Form:

 100,000,000  

+ 20,000,000  

+ 5,000,000  

+ 500,000  

+ 20,000  

+ 4,000  

+ 700  

+ 80  

+ 0  

Expanded Factors Form:

 1 × 100,000,000  

+ 2 × 10,000,000  

+ 5 × 1,000,000  

+ 5 × 100,000  

+ 2 × 10,000  

+ 4 × 1,000  

+ 7 × 100  

+ 8 × 10  

+ 0 × 1  

Expanded Exponential Form:

1 × 108

+ 2 × 107

+ 5 × 106

+ 5 × 105

+ 2 × 104

+ 4 × 103

+ 7 × 102

+ 8 × 101

+ 0 × 100

Word Form:

one hundred twenty-five million five hundred twenty-four thousand seven hundred eighty

Answer:

      100,000,000+

 20,000,000+

    5,000,000+

        500,000+

           20,000+  

              4,000+  

                  700+  

                     80+  

                        0=

              125,524,780

36 is the same as _____ radians. Round to the nearest hundredth of a radian.
(Points : 2)

Answers

Answer:

0.63\ radians

Step-by-step explanation:

we know that

\pi \ radians=180\ degrees

so

by proportion

Convert 36 degrees to radians

(\pi)/(180)(radians)/(degrees)=(x)/(36)(radians)/(degrees)\n \nx=36\pi /180\n \nx=0.63\ radians
the formula is (degree)x(pi÷180)
36 x pi ÷ 180
0.63 rad

Eric and Charles are on their high school track and field team. Eric is participating in hurdles and the javelin. For every 5 hours that Eric spends practicing hurdles, he practices the javelin for 1.5 hours. Charles is participating in a relay race and the javelin. For every 5 hours that Charles spends practicing for the relay race, he practices the javelin for 2.5 hours.If Eric practiced hurdles for 15 hours last week, and Eric and Charles practiced javelin for the same amount of time, then how long did Charles practice for the relay race last week?
A.
7.5 hours
B.
4.5 hours
C.
9 hours
D.
18 hours
Reset Submit

Answers

15 hours/ 5 hours = 3

3 x 1.5 hours = 4.5 hours

Eric practiced javelin for 4.5 hours.

Charles practiced javelin the same, so 4.5 hours.

4.5 / 2.5 = 1.8

5 hours x 1.8 = 9 hours

Charles practiced relay for 9 hours.

Answer is C. 9 hours

Answer:

answer is a

Step-by-step explanation:

Omarion has 9/10 of pages in a book remaining to read for school. He reads 2/3 of the remaining pages over the weekend. What fraction of the book does Omarion trad over the weekend?

Answers

Answer:  The required fraction of the book that Omarion trad over the weekend is(3)/(5).

Step-by-step explanation:  Given that Omarion has (9)/(10) of pages in a book remaining to read for school and he reads (2)/(3) of the remaining pages over the weekend.

We are to find the fraction of the book that Omarion trad over the weekend.

The fraction of the book trad over the weekend

= the fraction of the pages read over the weekend multiplied by the fraction of the book that is remaining to be read.

Therefore, the fraction of the book that Omarion trad over the weekend is given by

f=(2)/(3)*(9)/(10)=(3)/(5).

Thus, the required fraction of the book that Omarion trad over the weekend is (3)/(5).
2/3 of 9/10
multiply 2/3 by 9/10, then reduce/simplify
2/3 * 9/10= 18/30, divide by 2
9/15, so Omarion read 9/15 of the book.
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