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jonny [76]
2 years ago
13

Determine the period. Acellus!!! Please help

Mathematics
1 answer:
Anna71 [15]2 years ago
4 0
<h3>Answer:   1</h3>

Reason:

The first peak is at x = 0. The next peak over is at x = 1. The difference is 1-0 = 1 which is the period.

The period is the amount of time needed to repeat the cycle.

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alvin and simon raced a distance of 2.9 x 10^2 kilometers. they need to race 7 times that distance in kilometer. how far must th
dimaraw [331]

The distance in kilometers in scientific notation 2.03 \times 10^3 km

<h3>Scale factors</h3>

Scale factors are values or constants multiplied with a variable

If Alvin and Simon raced a distance of 2.9 \times 10^2 kilometers and they need to race 7 times that distance in a kilometer, the distance traveled will be:

  • Distance travelled = 7(2.9 \times 10^2)
  • Distance travelled = 2.03 \times 10^3 km

Hence the distance in kilometers in scientific notation 2.03 \times 10^3 km

Learn more on distance here: brainly.com/question/23848540

8 0
3 years ago
Polygon ABCD is dilated by a scale factor of 2 with the center of dilation at the origin to create polygon A′B′C′D′. If the endp
liq [111]

Answer:

A'B' = 34 units

Step-by-step explanation:

Since the dilatation is centred at the origin , then multiply the coordinates by 2

A' = (2(0), 2(- 7) = (0, - 14 )

B' = (2(8), 2(8) = (16, 16)

Calculate the length using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = A'(0, - 14) and (x₂, y₂ ) = B'(16, 16)

d = \sqrt{(16-0)^2+(16+14)^2}

   = \sqrt{16^2+30^2}

   = \sqrt{256+900}

   = \sqrt{1156}

   = 34

3 0
3 years ago
Find the area of a circle
PtichkaEL [24]

Answer:

28.26 square feet

Step-by-step explanation:

Area of a circle is: A=\pi r^2

'r' is the radius.

We are given the diameter of 6ft. Since the diameter is twice the radius, the radius is 3 ft.

6/2 = 3

Using 3.14 for pi:

A=3.14*3^2\\\rightarrow 3^2=9\\A=3.14*9\\\boxed{A=28.26}

The area of the circle should be 28.26 square feet.

7 0
3 years ago
Read 2 more answers
F(x)+x^2+7 Find X if f(x)=23
Illusion [34]

Answer:

Step-by-step explanation:

x^2 + 7 = 23

x^2 = 16

√x² = √16

x = 4

6 0
3 years ago
3. According the the chart below, what percentage of the Simpsons' annual expenses is taxes? If the Simpsons annual
serg [7]

Answer:

$7,600

Step-by-step explanation:

Simpson's annual income = $76,000.

Percentage tax = 10%

This means that 10% of Simpson's annual income was paid as tax.

Amount of tax paid in $ can be gotten as;

10% of $76,000

= 10/100×$76,000

= $7,600

This means Simpsons pay $7,600 in taxes.

7 0
4 years ago
Read 2 more answers
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