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A flat, rectangular sheet of gold foil measures 20 cm by 20 cm and has a mass of 23.16 grams. If 1 cubic centimeter of gold has a mas of 19.3 grams, find the thickness of the gold foil.

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Guest Jan 22, 2019

737

maths q proof

prove that 5n-(2n+3)(2+1) is always negative

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Guest Jan 22, 2019

574

what is .0033333333333333 in scientific notation

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Guest Jan 22, 2019

392

help plz

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Guest Jan 22, 2019

720

help

How many of the 343 smallest positive integers written in base 7 use 4 or 5 (or both) as a digit?

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Guest Jan 22, 2019

673

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Suppose that varies inversely with . If y=2 when z=1, find the value of z when y=4. Express your answer in simplest fractional form.

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Guest Jan 22, 2019

1433

Need Help

The table shows the height in centimeters, that a weight bouncing from a spring would achieve if there were no friction, for a given number of seconds.
Time (s)Height (cm)
0 read more ..

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Guest Jan 22, 2019

409

(-2,1)(4,5)=

Guest Jan 22, 2019

448

help

Write as a product of two monic quadratics with integer coefficients.

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Guest Jan 22, 2019

857

what is life

What is life

off-topic

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Guest Jan 22, 2019

817

What constant do you need to add to each quadratic to complete the square?

What constant do you need to add to each quadratic to complete the square?

Which of the following constants can be added to x2 + 2/3x to form a perfect read more ..

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Guest Jan 22, 2019

838

+687

check work?

Is the Answer for this a?

https://snag.gy/Usdwr8.jpg

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hoiuu Jan 22, 2019

741

+687

math help pls

Which equation could represent the relationship shown in the scatter plot?

https://snag.gy/6jh50W.jpg
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hoiuu Jan 22, 2019

409

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Guest Jan 22, 2019

740

i need help!!!!!

2
Ms. Perry bought a plant and is tracking the height of the plant each week. If y represents the height of the plant, in inches, x weeksafter she bought the plant, which of the following situations is represented read more ..

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Guest Jan 22, 2019

1978

Help Please!

Nancy generates a two-digit integer by rolling a six-sided die twice. The result of her first roll is the tens digit, and the result of her second roll is the ones digit. What is the probability that the resulting integer is divisible by 8? Express your read more ..

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Guest Jan 22, 2019

503

i need help

3
Starla bought cloth napkins at an outlet store for $2.25 each, and she also used a $5 off coupon. In the equation below, x represents the number of napkins, and y represents the cost before tax.

y = read more ..

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Guest Jan 22, 2019

1159

i need help

1
Type the correct answer in each box. Use numerals instead of words.
A music provider charges a monthly fee to use its services. There is also an additional cost for each song downloaded. The graph shows the total cost of read more ..

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Guest Jan 22, 2019

573

am i correct?

am i correct
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or do i add a -2 to the end ? read more ..

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Guest Jan 22, 2019

584

Simplify expression

How do you simplify this expression?
15z² - (3z - 1) (4z - 1) + 1
(The answer should be 3z² + 7z, I just don't understand how.)
Thankful for help. read more ..

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Guest Jan 22, 2019

527

How to graph this

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Guest Jan 22, 2019

700

15z² - (3z - 1) (4z - 1) + 1

15z² - (3z - 1) (4z - 1) + 1

In a calculation like this, are you supposed to change the minus inside both parantheses to plus?

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Guest Jan 22, 2019

997

+112

A racecar drives 10 laps around a 1-mile oval track in 250 seconds. What is the racecar’s velocity?

A racecar drives 10 laps around a 1-mile oval track in 250 seconds. What is the racecar’s velocity?

A river is flowing South at 14 mph relative to the bank. If a man rows a boat downstream at 5 mph relative to the river, read more ..

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McAcey Jan 22, 2019

911

+112

A clown runs 5 laps around a 400-meter track in 9 minutes. What is the clown’s speed?

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McAcey Jan 22, 2019

All Questions ⁺⁰237795 Questions

help

maths q proof

what is .0033333333333333 in scientific notation

help plz

help

help

Need Help

(-2,1)(4,5)=

help

what is life

What constant do you need to add to each quadratic to complete the square?

check work?

math help pls

help

i need help!!!!!

Help Please!

i need help

i need help

am i correct?

Simplify expression

How to graph this

15z² - (3z - 1) (4z - 1) + 1

A racecar drives 10 laps around a 1-mile oval track in 250 seconds. What is the racecar’s velocity?

A clown runs 5 laps around a 400-meter track in 9 minutes. What is the clown’s speed?

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