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Tems11 [23]
2 years ago
13

Please help me im confused as heck

Mathematics
2 answers:
soldier1979 [14.2K]2 years ago
4 0

Supplementary angles have sum 180°

\\ \tt\hookrightarrow 5w+1+90+7w-7=180

\\ \tt\hookrightarrow 12w+84=180

\\ \tt\hookrightarrow 12w=96

\\ \tt\hookrightarrow w=8

Gwar [14]2 years ago
3 0
So they’re supplementary angles which means that they add up to 180°… The equation would be: 5w+1+7w-7=180

5w+1+7w-7=180 (combine like terms)
12w-6=180
+6 +6
12w=186
w=15.5

Im not sure what they’re asking for but if they’re asking for w, your answer is 15.5, if they’re asking for the angle measure on the left, your answer is 78.5° & if they’re asking for the angle measure on the right, your answer is 101.5° :) hope this helps
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Please help me with this if you can? thanks alot :)))​
Lynna [10]

The probabilities are:

  • P(red) = 5/24
  • P(orange) =  0
  • P(blue) =  1/3
  • P(not green)= 17/24
  • P(green or black) = 11/24
  • P(not yellow)  = 1.

<h3>How to find the probabilities?</h3>

The probability of getting a particular color of marble, is given by the quotient between the number of marbles of that color and the total number of marbles.

Here we have:

  • 5 red marbles.
  • 7 green marbles.
  • 4 black marbles.
  • 8 blue marbles.

So the total number is 5 + 7 + 4 + 8 = 24.

Then:

  • P(red) = 5/24
  • P(orange) = 0/24 = 0  (because there are 0 orange marbles).
  • P(blue) = 8/24 = 1/3
  • P(not green) = (24 - 7)/24 = 17/24
  • P(green or black) = (4 + 7)/24 = 11/24
  • P(not yellow) = 24/24 = 1 (because there aren't yellow marbles).

If you want to learn more about probability, you can read:

brainly.com/question/251701

#SPJ1

5 0
2 years ago
Which point is located at (2, -3)?point Hpoint Epoint Gpoint K
Fynjy0 [20]

Answer:

Since i dont have a graph il just tell you this way. on the x axis, go right 2 times, then go down 3 times and that will be your answer.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Cheryl pays $69 for 6 DVDs.  
yanalaym [24]
$69 ÷ 6 = 11.5 per DVD
11.5 × 4 = 46
7 0
4 years ago
Read 2 more answers
Is the mean age at which American children learn to walk less than 15 months? A study of 40 American children found a mean walki
Sonbull [250]

Answer:

We define the random variable X as the walking age and we are interested if American children learn to walk less than 15 months so then that would be the alternative hypothesis and the complement would be the null hypothesis.

Null hypothesis: \mu \geq 15

Alternative hypothesis: \mu

And for this case the best answer would be:

H 0 : μ ≥ 15 vs. Ha : μ < 15

Step-by-step explanation:

We define the random variable X as the walking age and we are interested if American children learn to walk less than 15 months so then that would be the alternative hypothesis and the complement would be the null hypothesis.

Null hypothesis: \mu \geq 15

Alternative hypothesis: \mu

And for this case the best answer would be:

H 0 : μ ≥ 15 vs. Ha : μ < 15

And the data given from the sample is:

\bar X = 13.2 represent the sample mean

\sigma represent the population deviation

n = 40 represent the sample size

And the statistic would be given by:

z = \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

8 0
4 years ago
A soccer team lost 30% of its games. Suppose the team won 14 games. How many games did the team play?
-BARSIC- [3]
They would have played 20 games altogether
8 0
3 years ago
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