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klasskru [66]
3 years ago
7

Find the shaded part of diagram show step

Mathematics
1 answer:
Zina [86]3 years ago
7 0

Answer:

81

Step-by-step explanation:

So first find the are of the rectangle: 9 * 15 = 135

Next find the area of the trapezoid.

\frac{8+10}{2} *6=54

135 - 54 = 81

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Write an exponential function y = ab" whose graph passes through (2,12) and (5,96).
motikmotik

Answer:

y = 3(2)^{x}

Step-by-step explanation:

Substitute the given points into the function and solve for a and b

Using (2, 12)

12 = ab² → (1)

Using (5, 96)

96 = ab^{5} → (2)

Divide (2) by (1)

\frac{ab^5}{ab^2} = \frac{96}{12} , that is

b³ = 8 ( take the cube root of both sides )

b = \sqrt[3]{8} = 2

Substitute b = 2 into (1) and solve for a

12 = a2² = 4a ( divide both sides by 4 )

3 = a

Thus

y = 3(2)^{x} ← is the exponential function

3 0
3 years ago
A square has an area of 49 in.² what is each side of the perimeter
ludmilkaskok [199]
I hope this helps you




square one side a



Area=a.a



49=a.a



7.7=a.a



a=7



Perimeter=4a=4.7=28
8 0
3 years ago
MARKING BRAINLIEST!!
Misha Larkins [42]

Answer: 6a 2(a+2a) and the last one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find f(4) when f(x)=4x^2 - 2 x - 4
prisoha [69]

Answer:

52

Step-by-step explanation:

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

f(4)=4(4)^2-2(4)-4 (I replaced x with (4) since we are to find f(4).)

f(4)=4(16)-2(4)-4    (By the order of operations, we take care of the exponents before whatever else we have here.)

f(4)=64-8-4           (By the order of operations, we take care of the multiplication as we see if left to right.)

f(4)=56-4              (By the order of operations, we perform addition/subtraction as we see it left to right.)

f(4)=52                 (This completes the simplification.)

We could have also put this in our calculator as:

4(4)^2 -  2(4)  -  4

This would have returned 52.

8 0
3 years ago
Help please? and steps
Montano1993 [528]
P(x)=^3+4x-k
P(0) =5
P=20x^3
8 0
3 years ago
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