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Julli [10]
3 years ago
10

WILL GIVE BRAINLIEST Question in picture

Mathematics
2 answers:
nirvana33 [79]3 years ago
4 0
1. 31e+16
hope that helps
Ad libitum [116K]3 years ago
3 0
31e+16 just like the other person
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Which three lengths could be the lengths of the sides of a triangle? A.21 cm, 7 cm, 7 cm B.9 cm, 14 cm, 22 cm C.15 cm, 5 cm, 20
lapo4ka [179]
B.) 9 cm, 14 cm, 22 cm

It would make an obtuse triangle, and by using the triangle calculator trick or ways you would have to find the area of the triangle, but it would get to confusing...

But also the simplest way or elementary would be

A.) 21 cm, 7 cm 7 cm

I messed up my self I'm am truly sorry but,

I hoped this helped!! <33
5 0
3 years ago
Please help, I will mark!!
Alik [6]

Answer:

d=28.28

Step-by-step explanation:

To calculate the lenght of the diagonal d across the square, we can assume that the square it is compound of two right triangles. So, we can resolve this exercise using The Pythagorean Theorem.

<em>The Pythagorean theorem</em> states that in every right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the respective lengths of the legs. It is the best-known proposition among those that have their own name in mathematics.

If in a right triangle there are legs of length a and b, and the measure of the hypotenuse is c, then the following relation is fulfilled:

a^{2} +b^{2} =c^{2} a is the height, b is the base, and c is  

the hypotenuse.

To obtain the value of the hypotenuse

c= \sqrt{a^{2} +b^{2} }

To find the value of the lenght of the diagonal d across the square, we have:

d=\sqrt{a^{2} +b^{2} } Where a = b = 20

Substituting the values

d=\sqrt{(20)^{2} +(20)^{2} }\\d=\sqrt{400+400} =\sqrt{800} \\d=28.284

Round the answer to 2 decimal places

d=28.28

6 0
3 years ago
Find the student's error in solving the following
zheka24 [161]

x>7

Step-by-step explanation:

when dividing by a (-)

the inequality sign changes

5 0
3 years ago
Read 2 more answers
24. The relative frequency of getting a HEAD when tossing a coin is ⅜. How many HEADS would you expect if the coin is tossed 400
Finger [1]
3/8 probability × 400 times = 150 heads
5 0
3 years ago
3 x {(300 - 70 ÷ 5) - [3 x 23 - (8 - 2 x 3)]}<br><br> A.657<br> B.2433<br> C. -843
Liula [17]

Answer:

657

Step-by-step explanation:

pemdas

5 0
3 years ago
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