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umka21 [38]
3 years ago
12

Question 15

Mathematics
1 answer:
Ghella [55]3 years ago
7 0

Answer:

C: -680/9

B: -185/18

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In the triangle below, y= . Round to the nearest tenth
horsena [70]

Use cosine.

cosine={adjacent}{hypotenuse}

We have:

adjacent = 9cm and hypotenuse = 17 cm

\cos x=\dfrac{9}{17}\approx0.5294\to x\approx58^o

8 0
3 years ago
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Select the answer that correctly orders the set of numbers from greatest to least. 15% ,1/2 , 0.2 , 0.09.
Lilit [14]
15% in decimal form would be 0.15. 1/2 would be 0.50. So following that, if we were to place these in greatest to least form, then it would be: 0.50, 0.15, 0.09, 0.2. I hope I've ordered these correctly and that I've helped. Have a nice day.
4 0
3 years ago
Show the result of substituting x=0 into 0.75x+1.5y=40
prohojiy [21]

Answer:

y=26.67

Step-by-step explanation:

The given equation is 0.75x+1.5y=40.

We need to show the result of substituting x=0 in above equation.

0.75x+1.5y=40

Put x = 0

0.75(0)+1.5y=40

0+1.5y=40

⇒ 1.5y=4

y=\dfrac{40}{1.5}\\\\y=26.67

So, the value of y = 26.67 when x = 0.

8 0
3 years ago
Hair Color Boys Girls
pentagon [3]

Answer:

B) 0.45

Step-by-step explanation:

The total number of students is:

4 + 5 + 4 + 6 + 10 + 8 + 2 + 1 = 40

The number of students with brown hair is 10 + 8 = 18.

So the probability is:

P = 18/40 = 0.45

4 0
4 years ago
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Solve x - 1/4 = 1/2 for x
Juli2301 [7.4K]

Answer:

x = 3/4

Step-by-step explanation:

Simply add 1/4 to both sides of the equation to isolate <em>x</em> and to get your answer.

x = 1/4 + 1/2

x = 1/4 + 2/4

x = 3/4 or 0.75

8 0
4 years ago
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