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Citrus2011 [14]
2 years ago
7

After your instructor added 4 points to each student's test score, your score is 92.

Mathematics
1 answer:
Alexandra [31]2 years ago
7 0
88

92-4=88

hope this helps
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PLEASE NO LINKS DONT WASTE YOUR TIME IM NOT GONNA CLICK. Use the graph of the polynomial function to find the factored form of t
USPshnik [31]

Answer:

B.

Step-by-step explanation:

factored form actually contains the x intercepts right in it. Basically whatever sets the whole equation equal to zero.

On the graph you can see that it passes through both positive and negative 4. so (x+4)(x-4) is the answer because plugging in 4 for x will make it zero. Same for plugging in negative 4

Hope this helps!

5 0
2 years ago
Find the area?????????
NemiM [27]

Total area = area rectangle + area of the triangle


= 8 * 13 + 0.5* 6 * (14-8)


= 122 unit^2

6 0
3 years ago
If a windshield wiper covers an area of approximately 160 square inches when it rotates at an angle of 84°, find the length of t
sergey [27]

General Idea:

We can use the below formula to find the area of sector (A), when angle of sector and radius is given:

A=\frac{\theta}{360} \cdot \pi  \cdot r^2

Applying the concept:

We need to substitute 84 for \theta and 160 for A in the above formula:

160 = \frac{84}{360} \cdot \pi   \cdot r^2\\ Solving \; for \; r\\ \\ \frac{84\pi}{360} \cdot r^2=160\\  Multiply \; the \;reciprocal\; \frac{360}{84\pi} \;on\;both\;sides\;of\;the\;equation\\ \\ r^2=160\cdot \frac{360}{84\pi}  \\ \\ r^2=\frac{57600}{84\pi}  \\Taking \;square\;root\;on\;both\;sides\\ r=\sqrt{\frac{57600}{84\pi}}   \approx14.8\; inch

Conclusion:

If a windshield wiper covers an area of approximately 160 square inches when it rotates at an angle of 84°, the length of the wiper to the nearest tenth of an inch is <u>14.8</u>

6 0
3 years ago
A number x multiplied by 2/5 is 3/20
svet-max [94.6K]
Compose an equation
2/5x=3/20
Then solve
8/20x=3/20
8x=3
x=3/8
I might be wrong
7 0
3 years ago
Solve 11(2x + 3y + z)
vichka [17]

Answer:

22x + 33y + 11z

Step-by-step explanation:

11(2x + 3y + z)

11 * 2x + 11 * 3y + 11 * z = 22x + 33y + 11z

4 0
3 years ago
Read 2 more answers
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