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sleet_krkn [62]
3 years ago
12

BRAINLIEST!!! 2. Determine whether each pair of triangles is similar. Justify your answer.

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0

Answer:

the correct answer is option A.

Step-by-step explanation:

given that JK parallel to MN.

therefore angle JKL = angle LMN

and angle KJL = angle LNM

also angle JLK = angle MLN since vertically opposite angles.

we can say that triangle JLK ~ triangle NML.

as angle K coincides with angle L and angle J coincides with angle N

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Two less than five times a number is 28. what is the number
marissa [1.9K]
The number is 6 because five times 6 is 30, and 30 minus 2 is 28. You could also solve this backwards in the future and take 28 plus 2 and then divide that number by 5 (opposite of subtracting 2 is adding two, opposite of multiplying by five is dividing by 5). 

5x-2=28    (writing it this way might also help, because now you just have to solve for x)
7 0
4 years ago
Read 2 more answers
A circle with a radius of 15 yards contains a sector with an area of 609 yde. Find the measure of
kondaur [170]

Answer: 310.3° or 5.41 radians.

Step-by-step explanation:

The area of a circle of radius R is calculated as:

A = pi*R^2

Now, if we have a sector of an angle θ degrees, the area of that sector is:

A = (θ/360°)*pi*R^2

In this case, we know that:

R = 15yd

And the area of the sector is 609 yd^2

Then we can replace these two values in the equation to get:

609yd^2  =(θ/360°)*3.14*(15yd)^2

(609yd^2)*360°/(3.14*(15yd)^2) = θ = 310.3°

And we want the angle also in radians.

We know that:

3.14 rad = 180°

(3.14 rad/180°) = 1

Then:

310.3° = 310.3°*(3.14 rad/180°) = (310.3°/180°)*3.14 rad = 5.41 radians.

4 0
3 years ago
What is f(5) if f(1) = 3.2 and f(x + 1) =5over2 (f(x))?
Lubov Fominskaja [6]
F(5) would be 16. because f(1) is only 3.2 so if you multiply 3.2 x 5 you will get 16
6 0
3 years ago
A prize wheel at a county fair is divided into 9 equal sections. Each section on the wheel is marked with a letter. Each letter
Alik [6]
Your answer would be 9/27 but can be converted to 1/3. Hope this helps
8 0
3 years ago
Dr.Lamb is mixing a solution for his next patient. He has a cylindrical test tube which is 4 inches across on the inside. The de
SSSSS [86.1K]

Answer:  There are 34.35 liters left in the test tube.

Step-by-step explanation:

Since we have given that

Depth of the tube = 9 inches

Circumference of base=4 inches

As we know the formula of circumference ,

Circumference=2\pi r\\\\4=2\times \frac{22}{7}\times r\\\\4\times{7}{22\times 2}=r\\\\\frac{7}{11}=r

Now, we need to find the volume of tube is given by

\text{ Volume of test tube }=\pi r^2h\\\\\text{ Volume of test tube }=\frac{22}{7}\times \frac{7}{11}\times \frac{7}{11}\times 9\\\\\text{ Volume of test tube }=\frac{126}{11}=11.45\ inches^3

Since we have also given that,

Of 1 cubic inch of space holds 3 liters of water,

So,

1\text{ cubic inch}=3\text{ liters}\\\\11.45\text{ cubic inches}=3\times 11.45=34.35\text{ liters}

Hence, there are 34.35 liters left in the test tube.



6 0
3 years ago
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