3 years ago

PLEASE ANSWER FAST YOU'LL BE THE BRAINLIEST!!!

1 answer:

8 0

Y = (3/2)x-1 tp find m count from one point the units up and to the right till you meet the second point. Y int. is there

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Find the total area for the regular pyramid.

hram777 [196]

Answer:

Option B

Step-by-step explanation:

Given is the hexagonal pyramid.

We know the radius of the base is same as its side.

Find the base area:

A = 3√3/2a²
A = 3√3/2*6² = 54√3

Given the height and radius, find the side of the lateral triangular faces:

$\sqrt{8^2+6^2} =\sqrt{100} =10$

Each of 6 triangles have sides 10, 10 and 6 units.

Find the area using heron's formula:

s = P/2 = (10*2 + 6)/2 = 13
s - a = s - b = 13 - 10 = 3
s - c = 13 - 6 = 7
$A = \sqrt{s(s-a)(s-b)(s-c)} =\sqrt{13*3*3*7} =3\sqrt{91}$

Total surface area:

$S = 6*3\sqrt{91}+54\sqrt{3} =18\sqrt{91}+54\sqrt{3}$

Correct choice is B

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2 years ago

The Martinez family has gallon of orange juice in the refrigerator. How many cups of orange juice are in the refrigerator?

guapka [62]

Answer:

there are 16 cups of orange juice

Step-by-step explanation:

6 0

3 years ago

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If a bill cost $125. And they leave a $21.25 for a tip what percentage did they tip

yanalaym [24]

Answer:

17%

Step-by-step explanation:

Divide $21.25 by $125

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3 years ago

Which of the is the same as2.3×10^3

dalvyx [7]

2300 you mover the decimal over 3 spaces

7 0

3 years ago

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#1) Line j contains points (-3,5) and (6,-1). If line p is PERPENDICULAR to linej,

tia_tia [17]

First find slope of line j
(-1-5)/(6+3) = -6/9 = -2/3
Perpendicular = opposite sign and reciprocal slope

Solution: 3/2

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3 years ago