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timama [110]
3 years ago
8

I completely forgot how to do this, so if you can answer and give an explanation, I’d really appreciate it!

Mathematics
1 answer:
aivan3 [116]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Well to do this we can eliminate answers that seem unreasonable and just calculate the ones we think might be it

We know it can't be the first one or the second since its perimeter isn't 32

It could be the third one so we can check the perimeter

3+3+16+16=38

so it is the third one

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The quadratic function in vertex form of a parabola vertex 1,1 and passes through 4,19
Grace [21]

Answer:

y = 2(x - 1)² + 1

Step-by-step explanation:

The equation of a quadratic function in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (1, 1), thus

y = a(x - 1)² + 1

To find a substitute (4, 19) into the equation

19 = a(4 - 1)² + 1

19 = 9a + 1 ( subtract 1 from both sides )

18 = 9a ( divide both sides by 9 ), thus

a = 2

y = 2(x - 1)² + 1 ← in vertex form

5 0
3 years ago
Lincoln, Nebraska lies directly North of Dallas, Texas. Lincoln is at a latitude of 40.5
vfiekz [6]

Answer:

The angular speed of a point on Earth is

π12

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Step-by-step explanation:

7 0
3 years ago
Group the first two terms by underline the first two terms 16x^3-4x^2-4x+1
Daniel [21]

Answer:

Terms are the things that are separated by a (+) or a (-).

Step-by-step explanation:

<u>16x^3</u> - <u>4x^2</u> -4x+1

I don't think I'm right...

7 0
3 years ago
I need help asap.
skad [1K]

Answer:

435=107+82+246

Step-by-step explanation:

I think this is correct. Someone correct me if I am wrong, but I took 435 and subtracted 107, then I took that number and divided it by 4 and took one of those 4 and put it in the equation then multiplied the last three.

3 0
2 years ago
Write the phrase as an expression. The quotient of 40 and the difference of a number y and 16.
klio [65]

Answer:

40/y-16

Step-by-step explanation:

5 0
3 years ago
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