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Ksenya-84 [330]
3 years ago
12

Which expression is equivalent to 4/9 x 7?

Mathematics
1 answer:
qaws [65]3 years ago
7 0

Answer:

Step-by-step explanation:

3.1111 + 0

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olga2289 [7]

Answer:

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3 years ago
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PLEASE HELP! WILL MARK BRAINLIEST!!
adoni [48]

Answer:

41.04 meters

Step-by-step explanation:

The questions which involve calculating the angles and the sides of a triangle either require the sine rule or the cosine rule. In this question, the two sides that are given are adjacent to each other the given angle is the included angle. The initial position is given by A. The tree is denoted as C and the fence post is denoted as B. Since the use of sine rule will complicate the question, it will be easier to solve this question using the cosine rule. Therefore, cosine rule will be used to calculate the length of BC. The cosine rule is:

BC^2 = AB^2 + AC^2 - 2*AB*AC*cos(BAC).

The question specifies that AC = 70 meters, BAC = 25°, and AB = 35 meters. Plugging in the values:

BC^2 = 35^2 + 70^2 - 2(35)(70)*cos(25°).

Simplifying gives:

BC^2 = 1684.091844.

Taking square root on the both sides gives BC = 41.04 meters (rounded to two decimal places).

Therefore, the distance between the point on the tree to the point on the fence post is 41.04 meters!!!

6 0
3 years ago
Help math word problem
erastova [34]

Lets x = # pounds of coffe

70 - 8.06x = 37.76

- 8.06x = - 32.24

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Answer

4 lbs

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Please help me with this I will give out extra points with the brain this math question
Leni [432]

Answer:

D)

Step-by-step explanation:

The hypotenuse is a bit longer than that of the longer side.

Say, 17 miles.

15+8+17

23+17

40

40 is equal to D.

Hope this helped!

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-4x – 4y = -8<br> -2x + 4y = –10
shusha [124]

Answer:

–10

Step-by-step explanation:

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