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Romashka [77]
3 years ago
15

Can anyone help me with this maths problem?

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

There is a 1/3 probability that she will pick an adult.

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Solve for θ or x, round to the nearest tenth. I will mark brainliest if its correct!
attashe74 [19]
Cos-1 divided by (15/21) rounded to nearest tenth 44.4
5 0
3 years ago
Which equation is true?
amid [387]

Answer:

(3x-5)(3x+5)

Step-by-step explanation:

Difference of squares states that:

a^2-b^2=(a-b)(a+b)

In this case...

a^2=9x^2\\\sqrt{a^2}=\sqrt{9x^2}\ (take\ the\ square\ root\ of\ both\ sides)\\a=3x

b^2=25\\\sqrt{b^2}=\sqrt{25}\ (take\ the\ square\ root\ of\ both\ sides)\\b=5

This means that...

9x^2-25=(3x-5)(3x+5)

5 0
2 years ago
Billy picked 18 oranges. Taylor picked 3 times as many oranges as Billy did. They want to put them in bags with 9 oranges in eac
jenyasd209 [6]
18*3 = 54
54/9 = 6

So, they would need 6 bags.
6 0
4 years ago
Read 2 more answers
Simplify (7-2i) - (3 +9i).<br> 0-7<br> O 15<br> O 4 +7i<br> 04-11i
VMariaS [17]
This answer is 4-11i
3 0
3 years ago
The face of each stone on a walkway was shaped like a trapezoid shown below. 14 inches, 6 inches, 8 inches. What is the area of
marishachu [46]

Answer:

B. 66 square inches

Step-by-step explanation:

Area of a trapezoid = (a + b)/ 2 * h

Where,

a = base a = 14 inches

b = base b = 8 inches

h = height = 6 inches

Area of a trapezoid = (a + b)/ 2 * h

= (14 + 8) / 2 * 6

= 22/2 * 6

= 11 * 6

= 66 inches ²

Area of a trapezoid = 66 inches ²

The correct answer is

B. 66 square inches

8 0
3 years ago
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