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12345 [234]
3 years ago
15

Find the exact value of tan 75 degrees.

Mathematics
2 answers:
Shalnov [3]3 years ago
6 0

Answer:

3.73205080757 or 3.7

Step-by-step explanation:

MrRa [10]3 years ago
4 0

Answer:

2+√3 or 3.73

Please mark brainliest

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3) Construct triangle PQR such that PQ = 6 cm, angle PQR =
raketka [301]

Step-by-step explanation:

kfucmc!fxlkdf?c

Clc

c

<h3>ckmclc!fofloxldod</h3>
8 0
3 years ago
The square of a number decreased by 3 times the number 28 find all possible values for the number
stealth61 [152]

Question:

The square of a number decreased by 3 times the number is 28 find all possible values for the number  

Answer:

The possible values of number are 7 and -4

Solution:

Given that the square of a number decreased by 3 times the number is 28

To find: all possible values of number

Let "a" be the unknown number

From given information,

square of a number decreased by 3 times the number = 28

a^2 - 3a = 28

a^2 - 3a - 28 = 0

Let us solve the above quadratic equation

\text {For a quadratic equation } a x^{2}+b x+c=0, \text { where } a \neq 0

x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

Using the above formula,

\text { For } a^{2}-3 a-28=0 \text { we have } a=1, b=-3, c=-28

\begin{aligned}&a=\frac{-(-3) \pm \sqrt{(-3)^{2}-4(1)(-28)}}{2 \times 1}\\\\&a=\frac{3 \pm \sqrt{9+112}}{2}\\\\&a=\frac{3 \pm \sqrt{121}}{2}=\frac{3 \pm 11}{2}\\\\&a=\frac{3+11}{2} \text { or } a=\frac{3-11}{2}\\\\&a=7 \text { or } a=-4\end{aligned}

Thus the possible values of number are 7 and -4

5 0
3 years ago
A family has two children. If B represents a boy and G represents a girl, the set of outcomes for the possible genders of the ch
olga_2 [115]
To determine the probability, the formula is by number of successful outcomes divided by number of possible outcomes. The number of possible outcomes in this problem is 4.

So to compute the probability distribution:

The number of times that 0 G appeared is 0.25 which is represented by BB which is 1/4.
The number of times that 1 G appeared is .5 which is represented by BG and GB which is 2/4.
The number of times that 2 G appeared is .25 which is represented by GG which is 1/4.

The probability distribution will look like this:
X       Px(x)
0         .25
1          .5
2         .25
8 0
3 years ago
Read 2 more answers
Store A sells boxes of rice for $2.50 each.
lawyer [7]
The answer I think is 5 because
6 0
3 years ago
*pic attached* There are 98 international units (IUs) of vitamin D in 1 cup of milk. The function V(c)=98c represents the amount
anygoal [31]

The <em><u>correct answer</u></em> is:

0 ≤ c ≤ 16, 0 ≤ V(c) ≤ 1568

Explanation:

Since the jug of milk has 16 cups, the domain, c, runs from 0 to 16.

This means the range, V(c), runs from 98(0) = 0 to 98(16) = 1568.

6 0
3 years ago
Read 2 more answers
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