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Lelechka [254]
3 years ago
10

6th grade math i mark as brainliest​

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

Step-by-step explanation:

Use PEMDAS

\begin{array}{ccc}214.8-(4^2+3)\times4&\\214.8-(16+3)\times4&Evaluate\\214.8-19\times4&Add\\214.8-76&Multiply\\138.8&Subtract\end{array}

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What are the ratios for sin A and cos A? The triangle is not drawn to scale.
dalvyx [7]

Answer:

SinA = \frac{84}{85}  and  CosA=\frac{13}{85}

Step-by-step explanation:

The ratios of sine and cos are defined as follows:

Sin A = \frac{Opposite}{Hypotenuse} , and

CosA = \frac{Adjacent}{Hypotenuse}

The hypotenuse is always the side opposite of the 90 degree angle (for the given triangle, the hypotenuse is 85)

Since we are looking at the angle A, the opposite side with respect to A would be the side length of 84. That leaves the side 13 as the adjacent side.

Thus, we can now write:

Sin A = \frac{Opposite}{Hypotenuse}\\SinA = \frac{84}{85}

CosA = \frac{Adjacent}{Hypotenuse}\\CosA=\frac{13}{85}

The correct answer is  the first answer choice.

7 0
3 years ago
Write a recursive formula for the following sequence:10, 5, 0, -5,... *
Alika [10]

Answer:

decrease by 5

Step-by-step explanation:

n= 10

then in sequence,

n= n-5

4 0
3 years ago
What is the sum of 1 2/5 and 5 3/4​
Art [367]

Answer:

7\frac{3}{20}

Step-by-step explanation:

<em>Hey there!</em>

Well to add this we need to pu it in improper form.

7/5 + 23/4

Now we need to find the LCM.

5 - 5, 10, 15, 20, 25, 30

4 - 4, 8, 12, 16, 20, 24, 28

So the LCD is 20.

Now we need to change the 5 and 4 to 20.

5*4 = 20

7*4 = 28

<u>28/20</u>

4*5=20

23*5=115

<u>115/20</u>

Now we can add 28 and 115,

= 143/20

Simplified

7 3/20

<em>Hope this helps :)</em>

4 0
3 years ago
Read 2 more answers
Find the 81st term of the arithmetic sequence -10, -25, -40
Maurinko [17]

Answer:

5 - (N x 15)

81 x 15 = 1215

5-1215=-1210

-1210 should be the 81st term

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Using the numbers 4,4,10, and 12. And using any mathematical operator (multiplication,subtraction,addition, or subtraction) how
Gennadij [26K]
I believe one answer could be (4x4)=16-10=6+12=18+10=28-4=24?
6 0
3 years ago
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