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Jet001 [13]
3 years ago
6

The altitude of an equilateral triangle is 15. What is the length of each side?

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0
An equilateral triangle is a triangle where all sides are of equal lengths. So, the angles are of equal values as well which is 60. We use the angle and the height of the triangle to determine the side length. We do as follows:

tan (60) = 15 / base/2
base = 10√3 = side length
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7y - 4.5 - 6y =<br><br><br><br> HELP ME IM SO CONFUSED
kotegsom [21]

Answer:

y=4.5

Step-by-step explanation:

8 0
3 years ago
When y = 35,x = 2.5. If the value of y varies directly with x what is the value of y when the value of xis 3.25
leonid [27]

Answer:

The value of y would be 45.5

Step-by-step explanation:

To solve this problem, start with the base form of direct variation.

y = kx

Now we can use our original values to model the equation and find k.

35 = k(2.5)

14 = k

Now we can model the equation as:

y = 14x

Now to find y, when x = 3.25, simply put 3.25 into the equation.

y = 14(3.25)

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8 0
4 years ago
What is the area of this figure?
Paraphin [41]
Area of square
= 7x7
=49
Area of triangle
=0.5x 7x12
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=49+42
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6 0
4 years ago
What's (7 x 100) + (4 x /100) + (8 x 1/1000) in standard form?
IceJOKER [234]

Answer:

(7*100) can be written as 7*10^2

4 * / 100 i don’t know

if it was 4 * 100 then it’s 4*10^2

if it was divided then it’s 4*10^-2

8* 1/1000 = 8/1000 = 8*10^-3

add together to get 1.100008 * 10^3 (if it was 4*100)

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7 0
3 years ago
What is the y-intercept of the line passing though the point (9,-7) with a slope of -1/8
Tomtit [17]

Answer:

y-intercept (0, -47/8)

Step-by-step explanation:

Point slope equation form:

y + 7 = -1/8(x - 9)

y + 7 = -1/8 x + 9/8

y = -1/8 x + 9/8 - 56/8

y = -1/8 x - 47/8

y = mx + b where m=slope and b = y intercept

In this case, y intercept = -47/8

Answer:

y-intercept (0, -47/8)

8 0
3 years ago
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