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Mkey [24]
3 years ago
9

Can anyone gekonme non

Mathematics
2 answers:
grandymaker [24]3 years ago
7 0

Answer:

15° and 75°.

Step-by-step explanation:

The triangle is a right triangle, so

                                          5y + y + 90 = 180

Subtract 90 from each side:     5y + y = 90

Combine like terms:                       6y = 90

Divide each side by 6:                      y = 15

Multiply each side by 5                  5y = 75°

The angles are 15 ° and 75° .

viva [34]3 years ago
3 0

Answer:   y = 15°,  5y = 75°

<u>Step-by-step explanation:</u>

The Triangle Sum Theorem states that the sum of the angles of a triangle is 180°.  Reminder that a right angle is 90°

y + 5y + 90 = 180

     6y         =   90

   <u> ÷6        </u>     <u> ÷6   </u>

       y         =   15

Now, let's find the measure of the other angle:

5y = 5(15) = 75

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What is the solution to 3x²+x+10=0
e-lub [12.9K]

Answer:

x = - 1/6 + √-119/6, and, - 1/6 - √-119/6

Step-by-step explanation:

Using the quadratic formula which is: - b ± √b² - 4ac / 2a

a = 3, b = 1, c = 10

- 1 ± √1² -4 * 3 * 10 / 2 * 3

- 1 ± √1 - 120 / 6

-1 ± √-119 / 6

= -1/6 + √119/6,               or                  - 1/6 - √-119/6

7 0
3 years ago
Add an intersection the red light times normally distributed by the mean of three minutes and a standard deviation of .25 minute
Soloha48 [4]

95% of red lights last between 2.5 and 3.5 minutes.

<u>Step-by-step explanation:</u>

In this case,

  • The mean M is 3 and
  • The standard deviation SD is given as 0.25

Assume the bell shaped graph of normal distribution,

The center of the graph is mean which is 3 minutes.

We move one space to the right side of mean ⇒ M + SD

⇒ 3+0.25 = 3.25 minutes.

Again we move one more space to the right of mean ⇒ M + 2SD

⇒ 3 + (0.25×2) = 3.5 minutes.

Similarly,

Move one space to the left side of mean ⇒ M - SD

⇒ 3-0.25 = 2.75 minutes.

Again we move one more space to the left of mean ⇒ M - 2SD

⇒ 3 - (0.25×2) =2.5 minutes.

The questions asks to approximately what percent of red lights last between 2.5 and 3.5 minutes.

Notice 2.5 and 3.5 fall within 2 standard deviations, and that 95% of the data is within 2 standard deviations. (Refer to bell-shaped graph)

Therefore, the percent of  red lights that last between 2.5 and 3.5 minutes is 95%

8 0
3 years ago
At a birthday party, there are 2 gift boxes that are red, 7 gift boxes that are green, 4 gift boxes that are blue, and 11 gift b
Monica [59]
2 Red — 7 Green — 4 Blue — 11 Random
2 + 7 + 4 + 11 = 24
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7/24

Hope this helps
5 0
3 years ago
(a) A square has a perimeter of 20 m. What is the length of each side?
Goshia [24]

Answer:

A= 5

B= 3

Step-by-step explanation:

A= 5 +5+5+5= 20

B= 3 (length) x 3 (width)

5 0
2 years ago
Please help I found this one a bit confusing ​
Sergio [31]

Answer:

C

Step-by-step explanation:

If you look closely.. You can see that one is longer than the other

3 0
3 years ago
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