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Liono4ka [1.6K]
2 years ago
10

If the sum of the squares of the legs of a right triangle are = to 144, the hypotenuse is...

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
8 0

Answer: 12

Step-by-step explanation:

H^2=144

Square root of 144

H=12

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Can a rhombus be inscribed in a circle? Why or why not?
kati45 [8]

Answer:

b

Step-by-step explanation:

it isn't c because theres a theorem that says that opposite angles in a parallelogram are congruent

it isn't d because if the opposite angles are 90 and 90 they are supplementary

a is correct, but for the wrong reason

its b

5 0
2 years ago
1 Factor the polynomial over the set of real numbers. (a) f(x) = 25x^2 - 10x - 24​
MatroZZZ [7]

Answer:

(5x+4)(5x-6)

Step-by-step explanation:

25x^{2} -10x-24

Separate into two parts, first realizing that the only two factor pairs for 25 are 5 and 5 or 1 and 25. Using 5 and 5 makes the most sense, so

(5x      )(5x     )

The other two numbers need to multiply to -24 and add up to -10.

Pairs that muliply to 24 could be 1 and 24, 2 and 12, 3 and 8, and 4 and 6. The more you factor the easier it will be to quickly discern which numbers to use. In this case, the right pair is 4 and 6. Because it needs to add up to -10, it should be 4 and -6 (because multiplying out, -30 + 20 = -10).

Thus, the final factored equation is (5x+4)(5x-6). You can check this by FOILing and making sure you get the original equation.

8 0
2 years ago
What is the length of EF¯¯¯¯¯? Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth. ft
Dovator [93]
When finding the third side of a scalene triangle, use Law of Cosine with its formula

c^2 = A^2+B^2 - 2AB(cosC)

Now, you just have to input all your data in the formula, 

c^2 = 6^2+11^2 - 2(6)(11)(cos40degrees)
c^2 = 36+121 - 2(6)(11)(cos40degrees)
c^2 = 36+121 - 2(6)(11)(0.77)
c^2 = 157 - 101.12
c^2 = 55.88
c = square root of 55.88
c = 7.48 ft

Length of EF is 7.48 ft
4 0
3 years ago
Read 2 more answers
Please help I don’t know how to do this
alexandr1967 [171]
B :((((()))))))))) try
5 0
3 years ago
A Line passes through the point (-1,-2) and is perpendicular to the line with the equation y= -x - 1 what’s the equation of the
Allisa [31]

Answer:

y = x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - x - 1 ← is in slope- intercept form

with slope m = - 1

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-1} = 1, thus

y = x + c ← is the partial equation of the perpendicular line

To find c substitute (- 1, - 2) into the partial equation

- 2 = - 1 + c ⇒ c = - 2 + 1 = - 1

y = x - 1 ← equation of perpendicular line

7 0
3 years ago
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