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ludmilkaskok [199]
3 years ago
10

Question 31: Please help what is the cosine ratio of ∠X in the given triangle?

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0

Step-by-step explanation:

\cos \: \angle X =  \frac{XY}{XZ}   =  \frac{5}{13}  \\

Hence, option A is the correct answer.

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What is the ratio 44/12 in simplest form
mylen [45]

Answer:

11/3

<em>Alternative Form: </em>3 2/3, 3.6

Step-by-step explanation:

44/12

Dive the numerator and denominator by 4

44/4 / 12/4

11/ 12/4

11/3

3 0
3 years ago
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Ryan is planning a party for 138 people.Paper plates are sold in packs of twelve.How many packs of paper does ryan need to buy s
Artyom0805 [142]

Divide the number of people by the number of plates per pack:

138 / 12 = 11.5

He need to buy 12 packs of plates to have enough.

6 0
3 years ago
Is 0.007x10 equivalent to 0.07
djverab [1.8K]

Answer: yes.

Step-by-step explanation:

adding 10 is moving the decimal point once to the right, so yes.

move the decimal point in 0.007 once to the right (multiply it by 10) and you get 0.07

5 0
2 years ago
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Which is the vertex of x^2 + 10x = - 17?
Dafna11 [192]

Answer:

(-5, -8)

Step-by-step explanation:

Parabolas always have a lowest point (or a highest point, if the parabola is upside-down). This point, where the parabola changes direction, is called the "vertex". If the quadratic is written in the form y = a(x – h)2 + k, then the vertex is the point (h, k).

x^2 + 10x = - 17

x^2+10x+17=0

x^2+2*5x+25 - 8=0

(x+5)^2-8=0

h=-5, k= -8

vertex is (-5, -8)

3 0
2 years ago
The number of students enrolled at a college is 18,000 and grows 6% each year. part c: to find the number of students enrolled a
Alex777 [14]
18000 x 6/100 (Because 6%)
1080 each year.
Hope I helped!
8 0
2 years ago
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