MATHEMATICS COLLEGE

1.25 = (d/32) + (d/48)

Answers

Answer 1

Answer:

Answer:

d =24

Step-by-step explanation:

1.25=3d/96+2d/96

1.25=3d+2d/96

1.25=5d/96

96•1.25=96•5d/96

96•1.25=5d

120=5d

120/5=5d/5

d =24

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The question is: 5 < b - 3

Answers

Answer:

8 <b

Step-by-step explanation:

5 < b - 3

Add 3 to each side

5+3< b-3+3

8 <b

Answer:

8 < b

Step-by-step explanation:

1. Add 3 by both sides to eliminate the -3 on b - 3.

2. You get 8 < b.

Find the area:

A.16
B.64
C.256
D.none of these

Answers

Answer:

64π in²

Step-by-step explanation:

The area of a circle is given by the formula ...

A = πr²

where r is the radius.

The radius of a circle is half the diameter. For the circle shown, the radius is ...

r = d/2 = (16 in)/2 = 8 in

Then the area is ...

A = π(8 in)² = 64π in²

_____

Often, units are left off, so the appropriate choice might be 64π.

_____

If you want to be technically correct (at the expense of getting your answer marked wrong), you can select "None of the above." That is because none of the offered choices have the correct units: square inches. You may want to discuss this with your teacher.

What's another way to write 2^6?A. 2•6

B. 6•2

C. 2•2•2•2•2•2

D. 6•6

Answers

Answer:

Step-by-step explanation:

Answer:

C. 2•2•2•2•2•2

Step-by-step explanation:

Exponents show how many times a number is being multiplied by itself.

For $2^6$ you would have to multiply 2 by itself 6 times. Thus getting 64 in the end.

NOENHailey bought a 9 ft piece of ribbon that she will out into 2/3 ft long pieces. How many 2/3 ft pieces con Hailey aut?

Answers

Answer:

Step-by-step explanation:

9/(2/3) = 27/2 = 13.5

Maggie rewrote the expression 36 + 27 as two factors using the greatest common factor and the distributive property. Write the expression Maggie created.

Answers

Answer:

9(4+3)

Step-by-step explanation:

The GCF of 36 and 27 is 9. Dividing 36 and 27 by 9, I used the distributive property and got the equation 9(4+3)

Solve for , , and .
-6x+3y-z=5
3x-y+5z=-10
-x+2y+3z=-1

Answers

Answer:

x=1, z=-2, y=3

Step-by-step explanation:

Substitution Method

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