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8_murik_8 [283]
3 years ago
15

3.

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
8 0

Answer:

110÷360×π×4.6^(2)= 20.312

Step-by-step explanation:

Area of sector = angle / 360 x π x r^(2)

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Multiple choice geomotry 1 question
atroni [7]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
I understand some of this but this ones got me stumped i tried pemdas but im still lost
Mandarinka [93]
Just replace x with its given value:

9x^{2}-4x-3~~~~\text{where }x=-2\\ \\ \\ 9\cdot (-2)^{2}-4\cdot (-2)-3\\ \\ =9\cdot 4+8-3\\ \\ =36+8-3\\ \\ =41
6 0
3 years ago
Lionel bought a computer with a cost of $890. The state sales tax rate is 8.25%. What is the total cost of the computer includin
BabaBlast [244]
Answer is $963.43

Step by step.

The computer is $890. Sales tax is 8.25%.

Multiply $890 x 8.25% (or .0825) and add that tax to the cost.

$890 x 8.25% = 73.43.
$890 + 73.43 = $963.43 is your answer.
5 0
2 years ago
Evaluate the integral 1 / (x^2 + 9) ^3/2 dx.
tigry1 [53]

Answer:

Step-by-step explanation:

cheese monkey nut

8 0
2 years ago
How much more does the student need to save to buy the laptop
Harrizon [31]

Answer:

A

Step-by-step explanation:

Starting amount =                             307.50

1 month saving = 100

5 month saving = 5*100                   <u> 500.00</u>

<u />

Total so far                                         807.50

Let the total amount be x

75% *x = 807.50

75/100 x = 807,59                              Multiply both sides by 100

75 x = 807.50 * 100                          

75 x = 80750                                      Divide by 75.

x = 80750 / 75

x = 1076.67

That is not the answer. That's the total cost of the laptop.

The amount needed is

Amount needed = Total Cost - what has been saved

Amount needed = ????

Total Cost = 1076.67

What has been saved = 807.50

Answer

Amount needed = 1076.67 - 807.50 = 269.17

6 0
2 years ago
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