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love history [14]
4 years ago
12

A large bag of marbles contains an equal amount of red, orange, yellow, blue, and green marbles. Quinn randomly selects 1 marble

from the bag. Which of the following represents the probability of selecting a red or blue marble?
Mathematics
2 answers:
kifflom [539]4 years ago
8 0
There is a 20% chance it wil be red or blue

12345 [234]4 years ago
7 0
40% because if their are 5 colors of equal amounts, than each one is 20% amd if you try and get 2 then you multiply %20 by 2 and you get %40
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Tan ^-1 (-1). enter your answer in radians
Assoli18 [71]

Answer:

\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}

Step-by-step explanation:

we are given

tan^{-1}(-1)

Let's assume angle as theta

\theta =tan^{-1}(-1)

so, we get

tan(\theta)=-1

now, we can use unit circle and find theta

and we get

\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}

So, solution is

\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}


8 0
3 years ago
Plss help help help can someone plss help me
vladimir2022 [97]

Answer:

1) The stars are not constant in their position.

2) No. The stars aren't in original position because of apparent movement of stars in the sky.

3) Due to rotation of earth on its axis , the stars appear to move from west to east in the sky. Actually stars don't move as they are constant in their position but they appear to move with respect to earth.

4) Both the motion of stars & motion of sun are similar because both are an example of apparent motion. Both appear to change their respective positions but in reality , sun & stars are constant in their positions. But as earth is rotating , it appears like sun & stars are changing their positions.

5 0
3 years ago
Dan buys a car for £2700.
BartSMP [9]

Answer:

The car will be worth £2516.22 in 5 years

Step-by-step explanation:

The rule of depreciating is  

A=P(1-r)^{t}, where

  • <em>A</em> is the new value
  • <em>P</em> is the original value
  • <em>r</em> is the rate in decimal
  • <em>t</em> is the time in years

∵ Dan buys a car for £2700

∴ <em>P</em> = 2700

∵ It depreciates at a rate of 1.4% per year

∴ <em>r</em> = 1.4% = 1.4/100 = 0.014

∵ We need to find how much it will be worth in 5 years

∴ <em>t</em> = 5

→ Substitute all of these values in the rule above to find A

∵ A=2700(1-0.014)^{5}

→ Use your calculator to find the answer

∴ <em>A</em> = 2516.22

∴ The car will be worth £2516.22 in 5 years

7 0
3 years ago
Please help me find the monthly payment using that formula for this car thank you.
Annette [7]
The monthly pay is 7,999 dollars and the formula is under the place where it says "monthly pay"
4 0
3 years ago
Read 2 more answers
Norm's electric bill for December 2013 was $149.32. In 2014 the electric bill was $194.31. Next year Norm expects the bill to be
docker41 [41]

A): 2013 = 149.32

Find difference of: 194.31

2014 = 194<u>.31</u> <u>149.32</u>

= <u>44.99</u>

<u>2015</u> Total Will Be:

B):

149.32 + 25 = 174.32

(2013)

<h3> 174.32 + 44.99 = 219.31</h3>

(B) (A)

6 0
2 years ago
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