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tester [92]
3 years ago
10

The equation of a parabola is y=1/8x2−4x+41 .

Mathematics
2 answers:
zimovet [89]3 years ago
4 0

Answer:

7

i took the test

Dafna1 [17]3 years ago
3 0
Y=7............................................................................................................................................................
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In the following equation, f(x)=2x +7, what is f(-3)?
Helen [10]

Answer:

f(-3) = 1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 2x + 7

f(-3) is x = -3

<u>Step 2: Evaluate</u>

  1. Substitute:                   f(-3) = 2(-3) + 7
  2. Multiply:                       f(-3) = -6 + 7
  3. Add:                             f(-3) = 1
5 0
3 years ago
If d = 2, what is the value of 8/4−d? 1 43 4 0
Arada [10]

To solve this plug 2 in for d in the equation like so:

\frac{8}{4} - 2

The fraction \frac{8}{4} can be simplified to 2.

How I found this:

The greatest common factor of 8 and 4 is 4.

If we divide 8 by 4 you get 2

If you divide 4 by 4 you would get 1

That gives you the simplified fraction:

\frac{2}{1} Which is the same as simply 2

Now we have the expression:

2 - 2

^^^ A number subtracted from itself is always zero

The answer is:

0

Hope this helped!

~Just a girl in love with Shawn Mendes

8 0
3 years ago
Is0.85 a fraction mixed number or a decimal
mamaluj [8]
0.85 is a decimal //////
6 0
3 years ago
What is the measure in degrees for the central angle of a circle whose radius is 9 cm and intercepted arc length is 7.2 cm?
Marina CMI [18]

Answer:

Therefore the measure of the central angle is 45.86°.

Step-by-step explanation:

Given:

Radius = 9 cm

arc length = 7.2 cm

pi = 3.14

To Find:

Central angle = θ =?

Solution:

If the θ  measured in degree then the arc length is given as

\textrm{arc lenght}=\dfrac{\theta}{360\°}\times 2\pi r

Where r = radius, θ = Central angle

On substituting the values we get

7.2=\dfrac{\theta}{360}\times 2\times 3.14\times 9\\\\\theta=\dfrac{2592}{56.52}=45.8598=45.86\\\therefore \theta=45.86\°

Therefore the measure of the central angle is 45.86°.

4 0
3 years ago
What is 84×22 in standard algorithm for fifth grade
Alekssandra [29.7K]
84.
x22 equals 1848
5 0
3 years ago
Read 2 more answers
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