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NemiM [27]
3 years ago
13

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics
1 answer:
bezimeni [28]3 years ago
6 0

Answer:

BC≈1.71

Step-by-step explanation:

The cosine of an angle is the adjacent side relative to that angle divided by the hypotenuse.

cos(70)=BC/5

BC=cos(70)*5≈1.71

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Find the sum of 24/5 + 13/9
bearhunter [10]
Mixed Number Form: 6 11/45
Exact Form: 281/45
5 0
3 years ago
Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan.
bixtya [17]
So, the 2 equations would be.... B -12 = I   and    (B - 3) = 4(I - 3)  the second sentence is irrelevant.
B - 3 = 4 (I) - 12
B - 3 = 4B - 48 - 12
B - 4B = -60 + 3
-3B = -57
B (Ben) = 19
Ishaan is 7

Hope this helps!
5 0
3 years ago
Read 2 more answers
What is the difference of the polynomials
yarga [219]

The correct answer is A.

In order to find the correct answer in this one, you have to group all of the like terms. In this case, each term is unique with the exception of the x^2y^3 terms. Therefore, we need to check those first.

4x^2y^3 - (-5x^2y^3)

4x^2y^3 + 5x^2y^3

9x^2y^3

Since this term is included, we look for answers that involve this one. A is the only one that does. Plus, it includes each other term unchanged (which is good since there are no other like terms). Therefore, A is your answer.

3 0
3 years ago
Read 2 more answers
Estimate the perimeter and area of the figure to the nearest whole number. Please help!!
solniwko [45]

Answer:

29 ; 37

Step-by-step explanation:

The figure is composed by a square, a rectangle, and a right triangle

The perimeter of the square is 6 units

The perimeter of the rectangle is 10 units

The triangle is composed by a side of 6 units and a side of 5 units

The third side can be find with the Pythagorean theorem

\sqrt{6^2 + 5^2} = \sqrt{36 + 25} = \sqrt{61} = 7,81025

The total perimeter is

6 + 10 + 5 + 7,81025 = 28,81025 = 29

Area of the square = 2^2 = 4 square units

Area of the rectangle = 6 x 3 = 18 square units

Area of the triangle =  (5 x 6)/2 = 15 square units

Total area = 4 + 18 + 15 = 37 square units

8 0
3 years ago
Read 2 more answers
Determine the slope for the line that meets each condition stated. Show your work. Passes through the points ( 3 , 5 ) and ( − 1
Kamila [148]

<u><em>Answer:</em></u>

The slope of the line that passes through (-1, -7) and (3, 5) is 3

<u><em>Explanation:</em></u>

<u>The slope of the line is calculated using the following rule:</u>

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

<u>We are given the following points:</u>

(3 , 5) representing (x₁ , y₁)

(-1 , -7) representing (x₂ , y₂)

To get the slope, we will simply substitute with the givens in the above equation

<u>This is done as follows:</u>

Slope = \frac{-7-5}{-1-3}=3

You haven't attached the table for the second part. However, follow the same procedure. Pick two points from the table, substitute with them in the above equation and you'll get the slope

Hope this helps :)

4 0
3 years ago
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