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Butoxors [25]
3 years ago
11

Estimate the value of the square root of 2 times 3.14 divided by the square root of 5

Mathematics
1 answer:
Anton [14]3 years ago
5 0

Answer:

The estimate is going to be about 9.9

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Sasha can walk 6 miles in 3 hours. If she has to walk 1 mile, how long will it take her?
kvv77 [185]
30 mins or 1/2 hour
4 0
3 years ago
Read 2 more answers
Given: ABCD is a trapezoid, AC ⊥ CD AB = CD, AC=the square root of 75 , AB = 5 Find: AABCD
Ugo [173]

In this attached picture according to the conditions of the problem we have an isosceles trapezoid and since we know that legs are equal (AD=BC=5 cm), we have to calculate bases and height in order to find the area. Working with the triangle BCD, we apply Pythagoras theorem and find that CD = \sqrt{75+25} = 10 cm. Since BDC is a right triangle, applying theorem for the area of triangles, we find that \frac{1}{2} * BF =  \frac{1}{2} * 5 * \sqrt{75} and BF= 0.5\sqrt{75}. Since ABCD is an isosceles trapezoid, triangles ADE and BFC are congruent with Angle Side Angle theorem. Then, DE=FC and with the help of Pythagoras theorem, DE=FC=2.5 cm. Then, AB=EF=5 cm and the area of the trapezoid is  A= BF *  \frac{AB+CD}{2} = 0.5  \sqrt{75}  * \frac{5+10}{2} = 18.75 \sqrt{3}   cm^{2}

3 0
3 years ago
In order to determine the height of the flagpole in the school yard, Cindy is going to use similar triangles. The
kvv77 [185]

The height of the pole is 12.5 feet.

<h3>What is Unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Cindy's shadow is 5 feet.

length of the shadow of the pole at the same time, she finds it to be 12.5 feet.

So,

12.5/5=x/5,

62.5=5x

x= 12.5 feet.

Hence, the height of the pole is 12.5 feet.

Learn more about this Unitary method here:

brainly.com/question/22056199

#SPJ1

4 0
1 year ago
4|w − 5| = 4
anastassius [24]

Answer:

   w = 9 or  w = 1

Step-by-step explanation:

4|w − 5| = 4

Divide both sides by 4

w - 5 = 4                         w - 5 = -4

   + 5    + 5                          + 5     + 5

     w = 9                             w = 1

7 0
3 years ago
Guys my grades are Fs but if I get some help from u I should get them up
tresset_1 [31]

Answer: What do you need help in then?

Step-by-step explanation:

6 0
2 years ago
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