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3 years ago

Help me if you can im feeling down lol

Mathematics

1 answer:

kow [346]3 years ago

8 0

The volume of a cone is 1/3 the volume of the cylinder so,

V of Cylinder = 144*3.14 = 452.16
V of cone = 1/3 * 452.16 = 150.72 or 48π

Hope this helps :)

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Find the value of ST:

Ronch [10]

Answer:

Step-by-step explanation:

It's the only one which 5x + 1 can equal, with x being 3.

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3 years ago

Find the distance of PQ<br> P(0,4) and Q(10,-6)

solong [7]

Answer:

PQ ≈ 14.14 units

Step-by-step explanation:

calculate the distance d using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = P (0, 4 ) and (x₂, y₂ ) = Q (10, - 6 )

PQ = $\sqrt{(10-0)^2+(-6-4)^2}$

= $\sqrt{10^2+(-10)^2}$

= $\sqrt{100+100}$

= $\sqrt{200}$

≈ 14.14 units ( to 2 dec. places )

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2 years ago

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Masja [62]

Answer:

2x-5=4

2x=9

x=9/2=4.5

2x-5=-4

2x=1

x=1/2

Step-by-step explanation:

3 0

3 years ago

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you make a salary of $700 dollars per week. you have an insurance deduction of $65 per week as 12% withheld for taxes after your

mrs_skeptik [129]

700-65 = 635 for deduction insurance
635*12%= 76.2 pay for taxes per week
real salary per week= 635-76.2 = $558.8
A year has 52 weeks, but you have 3 weeks of unpaid so you have 49 week paying and 3 weeks no.
700*3= 2100 for 3 weeks unpaid
558.8*49= $27381.2 the total earned the rest of the year
Total in a year = 27381.2+2100= $29481.2

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4 years ago

Choose the answer based on the most efficient method as presented in the lesson.

Grace [21]

Remember that to solve an equation we need to isolate the variable in one side. To do it we can perform any mathematical operations we want as long as we perform the operations to both sides of the equation.

Let's solve our equation step by step

Step 1. Subtract $2x$ from both sides of the equation