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3 years ago

Please help will mark brainliest

Mathematics

2 answers:

Firdavs [7]3 years ago

7 0

Answer:

Step-by-step explanation:

o-na [289]3 years ago

5 0

Answer:

The answer is C again

Step-by-step explanation:

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What is the area of a triangle with a =25, b =13, and c =17?

Inessa [10]

Answer:

d. 102.3 units ^2

Step-by-step explanation:

3 0

3 years ago

If ON=8x*8, LM=7x+4, NM=x-5, and OL=3y-6, find the values of x and y for which LMNO must be a parallelogram. The diagram is not

lana66690 [7]

ON = 8x • 8
LM = 7x + 4
NM = x - 5
OL = 3y - 6

OL is congruent & parallel to NM
LM is congruent & parallel to ON

So,
$8x \times 8 = 7x + 4$
Simplify
$64x = 7x + 4$
subtract 7x from both sides
$57x = 4$
divide 57 from both sides
$x = \frac{4}{57}$
Substitute x into equations
$8x \times 8 = 7x + 4 = 4 \frac{28}{57}$

$3y - 6 = x - 5$
$3y - 6 = 4 \frac{28}{57} - 5$
$3y - 6 = - \frac{28}{57}$
NM & OL = -28/57
ON & LM = 4 + (28/57)

4 0

3 years ago

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Find the value of "Y" if;<br>Y-3 [4-2Y] = 16

Ivanshal [37]

Answer:

y=4

Step-by-step explanation:

hello :

Y-3 (4-2Y) = 16

y-12+6y = 16

7y-12=16

so :7y =12+16

7y=28

y=28/7 =4

4 0

3 years ago

HELP!!!! if you answer you get 20 points.

wolverine [178]

Answer:

Very last choice is the answer.

Step-by-step explanation:

Remark

The thing that is most important is that the horizontal line connect h and the radius is parallel to the cut of the sphere if it was placed right in the middle. That line swings around as though the center was a pivot.

Solution

So what you have is a circle when that line goes around that part of the sphere.
To find the length of that line, use the Pythagorean Theorem. Call the line r1.
r1 ^2 = r^2 - h^2
So the area is pi * r1^2
Area = pi (r^2 - h^2)
The very last one is the answer.

8 0

3 years ago

Angle B measures 60°. What is the measure of the angle that is complementary to angle B?

vodomira [7]

Complementary angles add up to 90.
Say the complementary angle is A.
Angle A + Angle B = 90
Angle A + 60 = 90
Angle A = 30 degrees

Hope this helps :)

6 0

4 years ago

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