3 years ago

marianne buys 16 bags of plotting soil that comes in 5/8 pound bags: how many pounds of plotting soil does marrianne buy?

Mathematics

1 answer:

Zepler [3.9K]3 years ago

4 0

16/1 x 5/8 = 80/8

Answer: 10

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Solve: -4x+3<-9<br> Help isoss

Oliga [24]

Sorry If I got it incorrect

x > 3

Subtract 3 from both sides

-4x + 3 - 3 < -9 -3

Simplify

-4x < -12

Multiply both sides by -1 (reverse the inequality)

(-4x) (-1) > (-12) (-1)

Simplify

4x > 12

Divide both sides by 4

4x/4 > 12/4

Simplify

x > 3

7 0

3 years ago

Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either 3 or 9?

Dmitry_Shevchenko [17]

4/18 is the answer i got

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4 years ago

Which is 0.54 (.54 is repeating) converted to a simplified fraction?

Yuri [45]

B because the fifty four is in the hundredths place

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4 years ago

Score for Question 2: ___ of 5 points) 2. Write the equation of the circle in general form. Show your work.

azamat

Answer:

$x^2 + y^2 + 2x - 2y - 7 = 0$

Step-by-step explanation:

Given

See attachment for circle

Required

The circle equation

First, we get the radius of the circle.

From the attachment, we have:

$r = 3$

Next, the center of the circle

$(h,k) = (-1,1)$

The equation of the circle is:

$(x - h)^2 + (y - k)^2 = r^2$

This gives:

$(x - -1)^2 + (y - 1)^2 = 3^2$

$(x +1)^2 + (y - 1)^2 = 3^2$

Expand

$x^2 + 2x + 1 + y^2 - 2y + 1 = 9$

Collect like terms

$x^2 + y^2 + 2x - 2y + 1 + 1 - 9 = 0$

$x^2 + y^2 + 2x - 2y - 7 = 0$

Hence, the equation in general form is:

$x^2 + y^2 + 2x - 2y - 7 = 0$

3 0

3 years ago

Harriet works at the Mint, where new coins are made. Old and fake coins are also destroyed there. Harriet has 10 bags of $1 coin

Aloiza [94]

Answer:

3 times

Step-by-step explanation:

She would have to weigh the fake coins and another bag of real coins to spot a difference, and then she would need to check another bag to see which was correct. Maybe thats right.

4 0

3 years ago