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wolverine [178]
3 years ago
10

The product of seven plus two and eight minus two

Mathematics
1 answer:
Finger [1]3 years ago
4 0

Answer:

56

Step-by-step explanation:

type in calculator 7*((2+8)-2)

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The answer is 4x^2+6x-9
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40 POINTS!!!!
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Step-by-step explanation:

5 0
2 years ago
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. Ans
FrozenT [24]

Answer:

43

Step-by-step explanation:

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles

First we find out the width of the rectangle

Δx=b−a/n,  a= 0 and b= 3, n= 3

so Δx= 1

Divide the interval [0,3] into  3 sub intervals of width=1

[0,1]     [1,2]     [2,3]

Now we plug in end point and evaluate the function

We take left endpoints

f(x) = 16 - x^2

f(0) = 16 - 0^2=16

f(1) = 16 - 1^2= 15

f(2) = 16 - 2^2= 12

Now sum = Δx(f(0) + f(1)+f(2))

= 1 (16+15+12)= 43


3 0
3 years ago
Anybody good in geometry!?
crimeas [40]

7th:

Y + 128° = 180° (Linear Pair)

Y = 180 - 128 = <em>52</em><em>°</em>

<em>You're</em><em> </em><em>welcome</em><em>.</em><em>.</em><em>.</em><em>Please</em><em> </em><em>mark</em><em> </em><em>as</em><em> </em><em>brainliest</em><em> </em>

<em>au revoir madame</em>

5 0
2 years ago
Read 2 more answers
It's URGENT PLEASE HELP!!! what is 5x-2=6 x=??
galben [10]
Answer: x = 8/5
Explanation:
5x-2 = 6
5x = 6 + 2
5x = 8
x = 8/5
8 0
3 years ago
Read 2 more answers
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