Help with the pic below

Mathematics

2 answers:

s2008m [1.1K]2 years ago

7 0

Answer:38cm

Step-by-step explanation:

radius=19cm

Diameter=2 x radius

Diameter=2 x 19

Diameter=38cm

Viefleur [7K]2 years ago

5 0

The answer is the last one

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marysya [2.9K]

First, subtract to get the difference.
2.85 – 2.78 = 0.07

Next, divide 2.78 by 100
2.78 ÷ 100 = 0.0278
So, 0.0278 is 1%. Divide 0.07 by 0.0278 to get the answer.
0.07 ÷ 0.0278 ≈ 2.518
2.518 ≈2.5
Therefore, the percentage increase is approximately 2.5% (that's the answer).

Hope this helps!

8 0

2 years ago

What does P(X4=2,X3=3,X2=3,X1=2)

Dmitriy789 [7]

Answer:

its b

Step-by-step explanation:

3 0

2 years ago

Please help fast! give me the equation

uranmaximum [27]

$\begin{bmatrix}x=\frac{\pi }{2}+2\pi n\\ x=\frac{3\pi }{2}+2\pi n\\ x=\frac{3\pi }{4}+\pi n\\ x=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\begin{bmatrix}\frac{3\pi }{2}+2\pi n=\frac{\pi }{2}+2\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{3\pi }{4}+\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\pi =0$

- hope this helps! -

6 0

1 year ago

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown

Butoxors [25]

i'm 85% certain the answer is C. Fiona is not correct because the coin will definitely land in the white area .

8 0

2 years ago

A jet plane can carry up to 200,000 liters of fuel. It used to 130,000 liters of fuel during a flights. What percentage of the f

LekaFEV [45]

65%
Step-by-step explanation:
Given: Full capacity= 200000 litres
Amount of fuel used during flight= 130000 litres
Now, finding percentage of fuel used on the flight.
∴ Percentage of fuel used=
Solving it, we will get
∴ 65% of fuel capacity been used in this flight.

7 0

2 years ago