Solve for x Please hurry

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

4 0

Answer:

I think

Step-by-step explanation:

x = 116 -(-67)/3

x = 138.3`

podryga [215]3 years ago

3 0

Answer:

x = -61

Step-by-step explanation:

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(12√72) : (4√3)

horrorfan [7]

Answer:

ANS. => none of the above

7 0

4 years ago

50 points please hELP URGENT

tatuchka [14]

Answer:

The 1st problem is C. 212.79 The 2nd problem is 1 3/5 The 3rd problem is 3.68

Step-by-step explanation:

Explanation for problem 1 l times w = area

Explanation for problem 2 change to decimals multiply w times l change back to fraction

Explanation for problem 3 multiply l times w

7 0

4 years ago

Read 2 more answers

For what side length(s) is the area of an equilateral triangle equal to 30 cm?? Only enter the number, in centimeters, rounded t

xenn [34]

Answer: The sides length are 8.32 cm

Step-by-step explanation:

An equilateral triangle has all his sides of the same lenght, so we assume that the triangle has an L lenght in his sides.

The area of a triangle is $Area = \frac{base * height}{2}$ where the base is L, the Area is 30 and an unknown height.

To determine the height, we cut the triangle in half and take one side. By simetry, one side has a base of $\frac{L}{2}$ , a hypotenuse of L and a the unknown height.

Then we apply the Pythagoras theorem, this states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides, or, $hypotenuse = \sqrt{c^{2} + c^{2} }$ Where one c is $\frac{L}{2}$ and the other is the height.