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astraxan [27]
3 years ago
10

GUYS PLEASE HELP ME ILL MARK BRIANLIEST AND GIVE EXTRA POINTS I NEED IT ASAP

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Q1

n >  \frac{81}{2}

Q2 <em>D</em>

sry I don't hv time to ans more

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Find the average rate of change of f(x) = 4x² – 3 from 3 to 9.
Lina20 [59]

Answer:

44

Step-by-step explanation:

Given:

f(x) = 4x^2 - 3

Required:

Average range of change from 3 to 9

SOLUTION:

Step 1:

Find f(3) and f(9):

To find f(3), replace x with 3 in the given function

f(3) = 4(3)^2 - 3

f(3) = 4(9) - 3

f(3) = 36 - 3

f(3) = 33

To find f(9), replace x with 9 in the given function

f(9) = 4(9)^2 - 3

f(9) = 4(81) - 3

f(9) = 324 - 3

f(9) = 321

Average rate of change = \frac{f(b) - f(a)}{b - a}

Where,

a = 3, f(a) = 33

b = 9, f(b) = 321

Plug in the values into the formula for average rate of change.

= \frac{321 - 33}{9 - 3}

= \frac{288}{6}

= 44

Average rate of change = 44

3 0
3 years ago
Someone please help me
posledela

Answer: first would be 6 the next would be 12 then the next would be 18 and so on just add 6 for each one and for ten pizzas it would be 6*10 and that equals 60 im sure you get it

5 0
2 years ago
Alternate Interior Angles Theorem a. b. c. Corresponding Angles Flow Proof a. b. c. d. e. Proof Diagram a. b. c.
Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

(1). m∠5 = 40° → (a) Given

m∠2 = 140° → (b) Given

∠5 and ∠2 are supplementary angles → (c) Interior angles on the same side of the transversal.

∠5 and ∠2 are the same side interior angles → (d) Both angles are supplementary

a║b → (e) By interior angles theorem of the parallel lines.

(2).            Statements                 Reasons

   1.     l║n                               1. Given

   2.    ∠2 ≅ ∠6                      2. Corresponding angles  

   3.    ∠4 ≅ ∠2                      3. Vertical angles

   4.    ∠6 ≅ ∠4                      4. Transitive property of equality

(3).         Statements                Reasons

     1.       ∠1 ≅ ∠5                   1. Given

    2.       ∠4 ≅ ∠1                  2. Vertical angles

    3.       ∠4 ≅ ∠5                 3. Alternate interior angles

    4.       p║r                         4. Definition of parallel lines

4 0
3 years ago
Complete the statement used &lt; or &gt;
Anastaziya [24]

Answer: <

Step-by-step explanation: 1/10 is less that 2/5

6 0
2 years ago
In a parallelogram, one angle is 9 times the size of another. Find the measures of the angles.
Pavlova-9 [17]
In a parallelogram, opposite angles are congruent. However, the same thing cannot be said for the other.

You can label one pair of opposite angles with x and the other 9x. 

You also know that each quadrilateral has interior angles that add up to 360 so you can create the equation of
9x+9x+x+x=360
which can be simplified into 

20x=360

x=18 

Now, you know the angle measures of one pair of opposite angles. to find the other you plug in 18 to our other equation and multiply 9 to get 162. 

The angles of the parallelogram is 18,18, 162 and 162. 

Note: you can check if this is right if all the angles add up to 360.

7 0
3 years ago
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