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scoundrel [369]
3 years ago
13

of the 9 students surveyed, 4 said they prefer exercising in the morning.express the fraction as a decimal. use bar notation if

necessary.
Mathematics
1 answer:
almond37 [142]3 years ago
3 0
4 of 9

so 4/9 = 0.44444444444444444444444444444repeating

(sorry, not sure how to get bar notation for that)
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If y is 15 times x, which equation shows the relationship between x and y?
zhannawk [14.2K]
Is= equals sign
times= multiplication


So y equals 15 times x

y= 15 * x
y= 15x


ANSWER: y= 15x (bottom choice)

Hope this helps! :)
4 0
3 years ago
26. Law of sines, please give a step by step explanation
Stels [109]

Answer:

  174.6 ft

Step-by-step explanation:

It can be helpful to draw a diagram of the triangle we're concerned with. (See attached.)

We know the angle at the end of the shadow inside the triangle is 52°-22° = 30°. We assume the tree is growing straight up out of the hillside, so its angle with the hill inside the triangle is 90°+22° = 112°. Then the remaining angle between the shadow and the tree at the top of the tree is ...

  180° -30° -112° = 38°

Now, we have the angle opposite the tree, and the angle opposite the known side length of the triangle (215 feet along the hill, AC in the diagram). This is enough information to usefully use the Law of Sines.

  c/sin(C) = a/sin(A)

  c = a(sin(C)/sin(A)) = (215 ft)(sin(30°)/sin(38°)) ≈ 174.6 ft

The height of the tree is about 174.6 feet.

5 0
3 years ago
Solve the equation. type the numeral answer. do not round up-5= b - 2.3
ycow [4]

Answer and explanation:

  - 5 = b - 2.3    add 2.3 to both sides

+2.3        +2.3

- 2.7 = b

5 0
3 years ago
There are 60 minutes in one hour. Which of these does NOT represent the number of minutes in an hour?
givi [52]
The answer is c bc it is correct
4 0
3 years ago
Read 2 more answers
Write 7x^2 -4 + 6x^3 -4x -x^4 in standard form
Nata [24]

-x⁴+ 6x³- 7x²- 4x - 4

Order from least to greatest exponent (the variable, which is x in this case, is always first by the way in terms of order, then integers). This point of this problem is essentially to just rearrange the original equation.

3 0
2 years ago
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