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tester [92]
2 years ago
15

Simplify the expression using the order of operations. (10^2+ 5^2)/5 this one too im confused

Mathematics
2 answers:
lilavasa [31]2 years ago
8 0
Answer is your(mom) hope this helps
lara [203]2 years ago
4 0

Answer:

25

Step-by-step explanation:

Review:  any operations inside parentheses must be done first.  Inside these parentheses are two exponential functions:  10^2 and 5^2; these are equal to 100 and 25, and when we add them we get 125:

(125)/5

Now do the indicated division.  We get 25

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Answer:

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Step-by-step explanation:

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3 years ago
Explain the steps necessary to convert a quadratic function in standard form to vertex form
SIZIF [17.4K]

Answer:

See below.

Step-by-step explanation:

Here's an example to illustrate the method:

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First divide the first 2 terms by the coefficient of x^2 , which is 3:

= 3(x^2 - 2x) + 10

Now  divide the -2 ( in -2x) by 2 and write the x^2 - 2x in the form

(x - b/2)^2 - b/2)^2  (where b = 2) , which will be equal to x^2 - 2x in a different form.

= 3[ (x - 1)^2 - 1^2 ] + 10 (Note: we have to subtract the 1^2 because (x - 1)^2 = x^2 - 2x  + 1^2  and we have to make it equal to x^2 - 2x)

= 3 [(x - 1)^2 -1 ] + 10

= 3(x - 1)^2 - 3 + 10

= <u>3(x - 1)^2 + 7 </u><------- Vertex form.

In general form the vertex form of:

ax^2 + bx + c  = a [(x - b/2a)^2 - (b/2a)^2] + c .

This is not easy to commit to memory so I suggest the best way to do these conversions is to remember the general method.

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2 years ago
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What’s 3 times 72 in expanded Form?
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...........................................

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3 years ago
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