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Delicious77 [7]

3 years ago

7

I need help with geometry. The questions asks to write the equation of the line passing through the given point that is parallel

to the given line.

1 answer:

dimaraw [331]3 years ago

4 0

Answer:

7y-2x=-7

Step-by-step explanation:

first solve the equation in terms of y. and get the coefficient of x has your gradient slope, and use the equation of a straight line, M1=M2.

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Nutka1998 [239]

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2 years ago

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The surface area of this regular pyramid is 1040 cm2. The base is a regular pentagon with side b = 16 cm and slant height l =15

Valentin [98]

Answer:

(a) = 11 cm

Step-by-step explanation:

The formula for finding the surface area of a regular pyramid is B + (1/2*P*l), with B being the area of the base, p being the perimeter of the base, and l being the slant of the pyramid.

The area of a pentagon can be solved using the formula 1/2*a*p, with a being the apothem and p being the perimeter of the pentagon.

B + (1/2*80*15) = 1040
B + 600 = 1040
1040 - 600 = 440 (440 is the area of pentagon)
1/2*a*(16*5) = 440
40*a = 440
440/40 = 11

The apothem is 11 cm. Hope this helps!

6 0

3 years ago

Gold in the form of solid cylinders will be molded into solid blocks. Each cylinder has a diameter of 6.19 cm and a height of 6

Taya2010 [7]

First, solve for the volume (V) of each cylinder by the equation,
V = πd²h / 4
where d and h are diameter and height, respectively. Substituting the given values,
V = π(6.19 cm)² x (6 cm) / 4 = 180.56 cm³
To determine the number of cylinders needed, divide the volume of the solid block by the volume of the cylinder,
n = 360 cm³ / 180.56 cm³ = 1.99
Thus, approximately 2 cylinders are needed to mold one block of gold.

5 0

3 years ago

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Pls HELP!! it is factoring PST answer with explanation please!!!!!! 30 points!

kondaur [170]

Step-by-step explanation:

these are the answers of your questions

7 0

3 years ago

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Math 7a using number sense to solve equations

Anika [276]

Simple...

you have: $\frac{n}{3} =12
$

and

$\frac{n}{3} =-12$

To solve for.... $\frac{n}{3} =12$

Multiply to remove the denominator-->>

$3* \frac{n}{3} =12*3$

n=12*3

n=36

Then-->>>

$\frac{n}{3} =-12$

Do the same thing-->>

$3* \frac{n}{3} =-12*3$

n=-12*3

n=-36

Thus, your answer.

6 0

3 years ago