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yulyashka [42]
2 years ago
13

I need help I need this plz

Mathematics
1 answer:
weqwewe [10]2 years ago
7 0

Answer:

The correct answer is 5 2/15

Step-by-step explanation:

Since the numerators on both numbers are opposite, you have to go through an equation to make them equal.

4/5 and 1/3 don't have the same numerator. Because of this, you have to find the least common multiple.

5, 10, <u>15</u>

3, 6, 9, 12, <u>15</u>

Now that we found said number, we have to multiply the denominators so they match as well. How we do that is by multiplying the number by how many times the numerator has been multiplied to.

Since 5 had to be multiplied by 3 to get to 15, you would multiply 4 by three, giving you 12/15. Same goes with the other fraction, 3 times 5 got us 15, so we would multiply 1 by 5, giving us 5/15.

Now it's as simple as adding. 12/15 + 5/15 = 17/15, which will make 1 2/15. Add that to the whole numbers you have and you will get 5 2/15. (Note: You cannot simplify 2/15, so you leave it as is)

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URGENT!!! Write the product as a sum or difference.
CaHeK987 [17]

Answer:

3 sin(41t) - 3 sin(t)

Step-by-step explanation:

The general formula to convert the product of the form cos(a)sin(b) into sum is:

cos(a) sin(b) = 0.5 [ sin(a+b) - sin (a-b) ]

The given product is:

6 cos(21t) sin(20t) = 6 [ cos(21t) sin(20t) ]

Comparing the given product with general product mentioned above, we get:

a = 21t and b = 20t

Using these values in the formula we get:

6 cos(21t) sin(20t) = 6 x 0.5 [ sin(21t+20t) - sin(21t-20t)]

= 3 [sin(41t) - sin(t)]

= 3 sin(41t) - 3 sin(t)

Therefore, second option gives the correct answer

4 0
3 years ago
HELP ASAP PLZ &amp;THANK YOU :)
Andre45 [30]

The standard form:

Ax+By=C

The slope-intercept form:

y=mx+b

m - slope

m=\dfrac{y_2-y_1}{x_2-x_1}

b - y-intercept (0, b).

We have the point (0, 43) → b= 43.

Next point (2, 55). Substitute to the slope formula:

m=\dfrac{55-43}{2-0}=\dfrac{12}{2}=6

Therefore we have:

y=6x+43      <em>subtract 6x from both sides</em>

\boxed{-6x+y=43}


8 0
3 years ago
A basketball player made 35 baskets in a season. Of these 60% were three point shots. How many three point shots did the player
expeople1 [14]

Step-by-step explanation:

the Boscombe all very well football match well because I am 15 year

8 0
3 years ago
Use the difference of cubes identity to write the expression x3 – 64 in factored form.
Elena-2011 [213]

Answer:

Hey there!

We have:

x^3-64

x^3-4^3

(x-4)(x^2+4x+16)

Let me know if this helps :)

3 0
3 years ago
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nexus9112 [7]

Answer: You divide the top row by itself and you multiply the top by 2 each time.


Step-by-step explanation: Multiply 72 by 2 each time on top and the bottom row just simply add 1.


Sorry if it is wrong but i hope it helps!


8 0
3 years ago
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