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julsineya [31]
3 years ago
14

What is the solution of​

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

x

Step-by-step explanation:

Firstly, we know that the solution cannot contain \leq or \geq as when x=3, the equation is undefined. This cuts the options in half

When we plug in a value that is less than 3, we always get a value less than 1. This means that when added to 3, we will always get a value less than 4.

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3. Twenty-five percent of Santa's elves
bixtya [17]
600 elves

25% = 1/4
1/4 of the total = 150.
1/4 x 4 = 1 (total)
150 x 4 = 600
there are 600 elves
3 0
2 years ago
A sailor is 30m above the water in the crow's nest on a sailboat. The sailor encounters an orca surface at an angle of depressio
Natali [406]

Given :

A sailor is 30 m above the water in the crow's nest on a sailboat.

The sailor encounters an orca surface at an angle of depression of 15 degrees.

The crows nest is 20 m horizontally from the bow (front) of the boat.

To Find :

How far in front of the boat is the orca.

Solution :

Let, distance of boat front from the crow's nest is x.

So,

\dfrac{30}{20+x}=tan \ 15^{\circ}\\\\x=\dfrac{30}{tan \ 15^{\circ}}-20\\\\x=111.94-20\\\\x=91.94\ m

Hence, this is the required solution.

4 0
3 years ago
The square below has an area of x^2 - 12x + 36 square meters.
Andreyy89

Answer:

(x - 6) meters

Step-by-step explanation:

x² - 12x + 36

x² - 2(x)(6) + 6²

(x - 6)² = side²

side = x - 6

4 0
3 years ago
Read 2 more answers
What is the answer to X^2-61=20
Reika [66]
X^2 -61 =20
X^2= 81x =9 x=-9
7 0
3 years ago
1.The sum of three numbers is twenty. The second number is four times the first and the sum of the first and third is eight. Wha
lesya692 [45]

Answer:

Step-by-step explanation:

4x=12

x=12/4

x=3 answer

y=4*3=12 answer.

z=8-3=5 answer.

proof

3+12+5=20

20=20

5 0
3 years ago
Read 2 more answers
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