2 years ago

The model shown represents which of the following?

Mathematics

2 answers:

pickupchik [31]2 years ago

7 0

It’s the third option

-BARSIC- [3]2 years ago

4 0

Answer:

its 3

Step-by-step explanation:

selcet 3 it goes plus 3 then back to neg 4 its the 3rd option

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Find the area of the shaded sector of the circle. Leave in terms of pi.

qaws [65]

Answer:

$a=10.88\pi$

Step-by-step explanation:

using the formula below, the central angle is 20° (bc 360-180-160=20)

radius is 14 (28/2=14)

$\frac{20}{360} =\frac{a}{\pi r^2} \\ \frac{1}{18} =\frac{a}{\pi 14^2}$

$\frac{1}{18} =\frac{a}{196\pi}$

$a=\frac{1*196\pi}{18} \\a=1*10.88\pi\\a=10.88\pi$

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2 years ago

Use benchmarks to estimate 2.81+3.73

love history [14]

The benchmarks are: 0, 0.25, 0.50, 0.75 and 1.
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+
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2 years ago

To change a recipe that serves 8 to make it serve 5, by what fraction would you multiply each ingredient?

NARA [144]

Let, that fraction = x
So, 8 * x = 5
x = 5/8

In short, Your Answer would be 5/8

Hope this helps!

8 0

3 years ago

Work out the acceleration for the first 3 seconds?

Finger [1]

The acceleration is given by the slope of the line. This line passes through the points (0, 2) and (3, 5), so it has slope

$\dfrac{5-2}{3-0}=1$

which means the acceleration over this 3 second interval is 1 m/s^2.

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Is this 1/3 7/21 a proportion

Brut [27]

Yes they are proportionate

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