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wel
2 years ago
10

The area of the following equilateral triangle is 62.4 square feet? What is its height?

Mathematics
2 answers:
love history [14]2 years ago
6 0

Answer:

10.4 ft

Step-by-step explanation:

lakkis [162]2 years ago
3 0
You need to know the base to answer this. but if you want i will explain it divide 62.4 by 2 which is 31.2
the you divide 31.2 by what ever the base is and that is your height 

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You have 4/6 cups or brown sugar the recipe for a dessert calls for 2/5 cup of brown sugar how much sugar would you have left if
Vanyuwa [196]
4/15
4/6 = 20/30 and 2/5 = 12/30 so 20 - 12 = 8 or 8/30 which can be rounded to 4/15
6 0
2 years ago
Use the formula to find the length of the radius if the area is 25 square centimeters.
Alexandra [31]

Answer:r = 2.81 centimeters

Step-by-step explanation:

The area of this circle can be found using the formula

A=πr^2

Where r = radius of the circle

π is a constant whose value is 3.14

We are given the area of the circle to be 25 square centimeters. To determine the length of the radius of the circle , we will make r the subject of the formula

r^2 = A/π

Taking square root of both sides of the equation,

r = √A/π

Since A = 25 and π = 3.14,

r= √25/3.14

r = 2.82166323992

Approximating to the nearest tenth of a centimeter,

r = 2.81 centimeters

5 0
3 years ago
What is sn for the arithmetic series with a1=3 an=-38 and n=8?
otez555 [7]
Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140
4 0
3 years ago
Joe pays $26.78 for 6.5 gallons of gas.
Dovator [93]

Answer:

$4.12

Step-by-step explanation:

$26.78 / 6.5 gallons = $4.12 per gallon

4 0
3 years ago
Read 2 more answers
Consider the function f(x)=3x-1 (over)x+4 (a) At which value of x will the function not have a solution? Explain your answer. (b
Irina18 [472]

Ans(a):

Given function is f(x)=\frac{3x-1}{x+4}

we know that any rational function is not defined when denominator is 0 so that means denominator x+4 can't be 0

so let's solve

x+4≠0 for x

x≠0-4

x≠-4

Hence at x=4, function can't have solution.


Ans(b):

We know that vertical shift occurs when we add something on the right side of function so vertical shift by 4 units means add 4 to f(x)

so we get:

g(x)=f(x)+4

g(x)=\frac{3x-1}{x+4}+4

We may simplify this equation but that is not compulsory.

Comparision:  

Graph of g(x) will be just 4 unit upward than graph of f(x).


Ans(e):

To find value of x when g(x)=8, just plug g(x)=8 in previous equation

8=\frac{3x-1}{x+4}+4


8-4=\frac{3x-1}{x+4}


4=\frac{3x-1}{x+4}


4(x+4)=(3x-1)


4x+16=3x-1


4x-3x=-1-16

x=-17

Hence final answer is x=-17

8 0
3 years ago
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