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3 years ago

13

Please help me with math please, they are number lines

1 answer:

Novay_Z [31]3 years ago

3 0

So u have to rearrange to find x again
You look at the equation and u can see that if u take away 14 from both sides it will leave u with:
X/-3<-2
Now as x is over - 3, the opposite of divide is multiply, so you multiply both sides by - 3.
This leaves you with your answer:
x<6

So the number line which represents this is C.

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You are laying an asphalt driveway. How much surface area must you cover if the driveway is 19 feet long and 10.5 feet wide?

Scorpion4ik [409]

Assuming that your driveway is rectangular, just mult. the length and width together to get the area:

(19 ft)(10.5 ft) = 199.5 ft^2

C is the correct answer choice.

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3 years ago

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What is the volume of a sphere with a radius of 4

Ede4ka [16]

Step-by-step explanation: To find the volume of a sphere, start with the formula for the volume of a sphere which is shown below.

$V = \frac{4}{3}\pi r^{3}$

Here, we are given that our sphere has a radius of 4 units.

So plugging into the formula, we have $(\frac{4}{3})(\pi)(4 units)^{3}$ .

Start by simplifying the exponent.

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5 0

2 years ago

Find the surface area!<br> Thank you!!

Evgen [1.6K]

Answer:

$SA= 720 m^2$

Step-by-step explanation:

$x=\sqrt{5^2+12^2}=13m$

$AS=2*1/2*12+12*22+5*22+13*22$

$= 60+264+110+13*22$

$AS= 720m^2$

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<u>hope it helps...</u>

<u>have a great day!!</u>

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3 years ago

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Aurora has a cell phone plan that charges $65 for phone service plus $12 for eachgigabyte of data used each month. If her bill f

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Answer:

4 gigabytes

Step-by-step explanation:

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3 years ago

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Aunt Kendra is pricing cakes for a baby shower she is throwing. She wants one large cake shaped like a duckling and also some cu

Andreas93 [3]

Answer:

$70

Step-by-step explanation:

Middletown Equation:

1c +50 = T

Sweet Shoppe Equation:

2c + 30 = T

Set equations equal to one another and solve for first for cupcakes then for cost.

1c + 50 = 2c + 30

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20 = c (twenty cupcakes would be ordered)

Now insert into either equation ( or both to check)

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Total cost would be $70

HOPE THIS HELPS!!!

4 0

2 years ago