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Dimas [21]
3 years ago
9

Which of the following set can be sets of a right triangle

Mathematics
2 answers:
ella [17]3 years ago
7 0
A right triangle has a 90 degree angle. Any triangle with a 90 degree angle is considered a right triangle. ex. 

pav-90 [236]3 years ago
4 0
Where are the triangles :)

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If y varies directly as x and y = 21 when x = 5, find x when y = 42.
Lorico [155]

Answer: 10

<u>Step-by-step explanation:</u>

varies directly means: \frac{y}{x} = k

Step 1: solve for k   ⇒  \frac{21}{5} = k

Step 2: plug in the given value and k to solve for the missing value: \frac{42}{x} = \frac{21}{5}

42(5) = 21(x)

\frac{42(5)}{21} = \frac{21(x)}{21}

2(5) = x

10  = x


5 0
3 years ago
15. In the diagram AB is parallel to CD.<br> Calculate the value of a.<br> NOT TO<br> SCALE
VikaD [51]

Same-side interior angles, which are shown here, are supplementary, which means that they add up to 180 degrees.

5a + a = 180

6a = 180

a = 30 degrees

Hope this helps! :)

5 0
3 years ago
Find the quotient and the remainder: (x^2+3x-4)/(x-1)
skelet666 [1.2K]
Evaluate this...
\frac{x^2+3x-4}{x-1}
the x at the bottom cancels out one of the xs at the top so it will be
\frac{x^2+2x-4}{-1}
Now the one cancels out one of the 1s in the -4 so
{x^2+2x-3}

Hope this helps :)
8 0
3 years ago
If ABCD ~ EHFG what do you know about the corresponding sides? Be specific.
melomori [17]

The answer for this is the last option

6 0
3 years ago
What is the volume of the pyramid ? 8ft 7ft 7ft
Nuetrik [128]

Answer:

V= 392 ft^3

Step-by-step explanation:

We know that the volume V of a pyramid is one-third the area of the base B times the height h.

If h= 8ft and areabase = 7ft x 7ft = 49 ft^2.

Then, the Volume V is:

V = areabase x height = 49 ft^2 x 8ft = 392 ft^3

So the solution is option D.

7 0
3 years ago
Read 2 more answers
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