2 years ago

Which statement about these triangles is true. Picture Below

Mathematics

1 answer:

Mashcka [7]2 years ago

4 0

Answer:

For me I think it is a number 3

Step-by-step explanation:

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In a right triangle the length of a hypotenuse is c and the length of one leg is a, and the length of the other leg is b, what i

swat32

Apply the Pythagoras Theorem

${c }^{2} = {a}^{2} + {b}^{2}$
${9 }^{2} = {7}^{2} + {b}^{2}$
$81 = 49+ {b}^{2}$
$81 - 49 = {b}^{2}$
$32= {b}^{2}$
Take square root of both sides

$b = \sqrt{32}$
$b = 4 \sqrt{2}$

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3 years ago

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Find the mean. Round to the nearest tenth if necessary.

kondor19780726 [428]

Answer:

Step-by-step explanation:

The actual mean is 27.008333333333, round that as you will.

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2 years ago

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What is the maximum number of real distinct roots that a cubic equation can have?

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3 but in most cases it is 2 real roots and one root has a multiplicity of 2

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A person is walking at a rate of 9 feet every 4 seconds.(b) Given the rate in (a), how far would this

Crank

Answer:

2.25 feet

31.5 feet

Step-by-step explanation:

Given that the person travels 9 feet every 4 seconds, it means that in one second, the distance walked

= 9/4

= 2.25 feet

If the person walks 2.25 feet in a second then in 14 seconds, the distance walked

= 2.25*14/1

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3 years ago

Find all possible values of the digits Y, E, A, R if YYYY - EEE + AA - R = 1234, and different letters represent different digit

schepotkina [342]

Answer:

Y: 2

E: 9

A: 1

R: 0

Step-by-step explanation:

If we used the value Y = 2, E = 9 , A = 1 and R = 0

in the given equation i.e

$YYYY - EEE + AA - R = 1234$ .

From LHS,

Putting the value of Y,E, A and R in the given question we get

$2222-999+11-0\\=\ 1223\ + 11\\=\ 1234$

=RHS

$Therefore\ the\ value\ of \ Y, E, A, R\ is\ 2\ , \ 9 , \ 1\ and\ 0$

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3 years ago