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nekit [7.7K]
3 years ago
6

Find the missing lengths of the sides.

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

The choice third ; a=9 , c= 18

Step-by-step explanation:

\sin(60)  =  \frac{9 \sqrt{3} }{c} \\  \\ c = 18

\tan(30)  =  \frac{a}{9 \sqrt{3} }  \\  \\ a = 9

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Define a variable and write an expression to represent the following phrase:
ryzh [129]

Answer:

x - 7 = age of whatever you are finding the age of

Step-by-step explanation:

seven years younger implies that you are taking away so we minus it from  our variable, Tates age is the variable since it does not tell us his/her age in the statement given.

6 0
3 years ago
1. What is the volume for the following rectangular prism?
____ [38]

Answer:

2. c) 1050 mm³

3. c) 8 yards.

Step-by-step explanation:

Given the following data;

Length = 25mm

Width = 7 mm

Height = 6 mm

To find the volume of the rectangular prism;

Volume of rectangular prism = base area * height

First of all, we would determine the base area;

Base area = length * width

Base area = 25 * 7

Base area = 175 mm²

Next, we find the volume;

Volume of rectangular prism = 175 * 6

Volume of rectangular prism = 1050 mm³

Question 2.

Given the following data;

Length = 9 yards

Width = 7.5 yards

Volume = 540 cubic yards

To find the height of the rectangular prism, x;

Volume of rectangular prism = length * width * height

540 = 9 * 7.5 * x

540 = 67.5x

x = 540/67.5

Height, x = 8 yards

8 0
3 years ago
Timed!!! few mins left HELP!
LUCKY_DIMON [66]

Answer:

2x - 15

3a + 17

1000/y

Step-by-step explanation:

1.

15 less means subtract 15

twice a number is 2x

Answer: 2x - 15

2.

increased by 17 means add 17

3 times a number is 3a

Answer: 3a + 17

3.

1000 divided by y number of employees

Answer: 1000/y

7 0
3 years ago
You are writing a research paper on plant cells. You got 48,600,000 results on the online search. How do you write 48,600,000 in
never [62]

Place a decimal point between the first two digits (4 and 8). Erase the commas and the 0s. So you'll have 4.86 left over after you've done that erasing.

Now ask yourself: "how many places to the right must I move the decimal to get 4.86 to turn back to 48,600,000?"

That would be 7 places to the right. That 7 is the exponent over the 10

<h3>Therefore, the answer is 4.86 * 10^7</h3>

This number is 48.6 million

8 0
4 years ago
(2,3), m = -4<br><br> I need to write it in standard form
andre [41]

Answer:

4x +y = 11

Step-by-step explanation:

y - y_{1}=m(x-x_{1})

y - 3 = -4(x - 2)

y - 3 = -4x + 8

4x + y -3 = 8

4x + y = 8+3

4x + y = 11

3 0
3 years ago
Read 2 more answers
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