What are 2 items that weigh less than 1 ounce?what are 2 items that weigh more than a ton?

Answers

Answer 1
Answer: A feather and a piece of mechanical pencil lead weigh less than 1 ounce. 
A blue whale and an elephant weighs more than 1 ton

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Mapping Diagram to inverse, do not understand, please help! Thank you!!!!

Answers

I think diagram of number D show the inverse of R[X]

Valerie roller-skated 4 miles at an average speed of 8 mph. She started her skate at 4:15 p.m. Which explanation correctly tells how to calculate what time it was when Valerie finished her skate?

A.
Step 1 Divide: 8 ÷ 4.
Step 2 Multiply that quotient by 60.
Step 3 Add the number of minutes to 4:15 p.m.

B.
Step 1 Multiply: 8 × 4.
Step 2 Multiply that product by 60.
Step 3 Add the number of minutes to 4:15 p.m.

C.
Step 1 Multiply: 8 × 4.
Step 2 Divide that product by 60.
Step 3 Add the number of minutes to 4:15 p.m.

D.
Step 1 Divide: 4 ÷ 8.
Step 2 Multiply that quotient by 60.
Step 3 Add the number of minutes to 4:15 p.m.

Answers

4 miles
8 miles per hour
4/8=1/2
skated for 1/2 hour
1/2 times 60=30
4:15+30=4:45

answer is D

4b×3b-2b=102 what is b

Answers

4b×3b-2b=102
12b^2 - 2b = 102
12b^2 - 2b - 102 = 0
divide by 2
6b^2 - b - 51
(6b + 17)(b - 3) = 0
6b + 17 = 0
6b = -17
b = -17/6 or 2 5/6
b - 3 = 0
b = 3
4b\cdot3b-2b=102\n 12b^2-2b-102=0\n 6b^2-b-51=0\n 6b^2+17b-18b-51=0\n b(6b+17)-3(6b+17)=0\n (b-3)(6b+17)=0\n\ b=3 \vee b=-(17)/(6)

Find m
(-3x + 20)
(-2x + 55)

Answers

Answer: Solution for (-3x+20)+(-2x+55)=180 equation: x= -21

Step-by-step explanation:

Simplifying

(-3x + 20) + (-2x + 55) = 180

Reorder the terms:

(20 + -3x) + (-2x + 55) = 180

Remove parenthesis around (20 + -3x)

20 + -3x + (-2x + 55) = 180

Reorder the terms:

20 + -3x + (55 + -2x) = 180

Remove parenthesis around (55 + -2x)

20 + -3x + 55 + -2x = 180

Reorder the terms:

20 + 55 + -3x + -2x = 180

Combine like terms: 20 + 55 = 75

75 + -3x + -2x = 180

Combine like terms: -3x + -2x = -5x

75 + -5x = 180

Solving

75 + -5x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-75' to each side of the equation.

75 + -75 + -5x = 180 + -75

Combine like terms: 75 + -75 = 0

0 + -5x = 180 + -75

-5x = 180 + -75

Combine like terms: 180 + -75 = 105

-5x = 105

Divide each side by '-5'.

x = -21

Simplifying

x = -21

All of the answers please :)

Answers

Answer:

Question 8: Area=520in

Question 9: No clue, sorry

Question 12: 300in

Question 11: 400in

Step-by-step explanation:

When you take the area of a figure like question 8, it helps to split the figure into two shapes and take the area of those then add it.

- 11*13= 143    and 29*13=377    377+143=520

Question 11:

A=2(wl+hl+hw)=2·(10·15+2·15+2·10)=400

Question 12:

V=L * W * H

V= 2*10*15= 300in

How do you figure this out

Answers

I'm not sure if you're looking for a percentage or a decimal, but to find the answer you just need to do 160 ÷ 16 = 10. This means that, if you want it as a fraction, the answer is 1/10, and if you want it as a percentage, the answer is 10%. I hope this helps!