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Diano4ka-milaya [45]
3 years ago
5

Which set of side measures could be used to make a right triangle

Mathematics
1 answer:
nadezda [96]3 years ago
6 0
The answer is C. If you connect a 5 cm vertically and a 5cm on the bottom of the triangle, it makes it a right angle which would be a right triangle.
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What is the answer for this 2\5+m=5\6
Bingel [31]

Answer:

m=25/12

Step-by-step explanation:

multiply the reciprocal of 2/5 on both sides

6 0
3 years ago
Please look at the picture. I answered b but it was incorrect. <br> Please help.
LuckyWell [14K]

9514 1404 393

Answer:

  d.  14 -3x

Step-by-step explanation:

If you want to substitute for y in the second equation, you must use the first equation to find an expression for y.

  3x +y = 14 . . . . . . first equation

  y = 14 -3x . . . . . .  subtract 3x from both sides

This gives you the expression for y that you want to use for substitution. It matches the expression of choice D.

  y = 14 -3x . . . . matches D

6 0
3 years ago
Hello, I am currently very stuck with this problem and I am unsure as to how I would solve it.
borishaifa [10]

We have the equation

20y=x^2-10-15

Let's complete the square, to do it let's add and subtract 25 on the right side

\begin{gathered} 20y=x^2-10-15+25-25 \\  \\ 20y=(x-5)^2-15-25_{} \\  \\ 20y=(x-5)^2-40 \\  \\  \end{gathered}

Now we can have y in function of x

\begin{gathered} y=\frac{1}{20}(x-5)^2-2 \\  \\  \end{gathered}

Now we can already identify the vertex because it's in the vertex form:

y=a(x-h)+k

Where the vertex is

(h,k)

As we can see, h = 5 and k = -2, then the vertex is

(5,-2)

Now we can continue and find the focus, the focus is

\mleft(h,k+\frac{1}{4a}\mright)

We have a = 1/20, therefore

\begin{gathered} \mleft(5,-2+5\mright) \\  \\ (5,3) \end{gathered}

The focus is

(5,3)

And the last one, the directrix, it's

y=k-\frac{1}{4a}

Then

\begin{gathered} y=-2-5 \\  \\ y=-7 \end{gathered}

Hence the correct answer is: vertex (5, -2); focus (5, 3); directrix y = -7

5 0
1 year ago
Katie bought 2 one-gallon bottles of juice for a party. Her guests drank 6/4 gallons of juice. What fraction of a gallon of juic
Alenkasestr [34]
6/4 = 1 1/2 gallons 
2 - 1 1/2 = 1/2 gallon

She has 1/2 a gallon left over


3 0
3 years ago
Read 2 more answers
Which graph represents a linear function?<br>​
Ymorist [56]
2nd graph (straight line)
5 0
3 years ago
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