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Ymorist [56]
4 years ago
15

Barry has 64 butterflies in his collection. He gave half of them to his sister and 12 to his brother. How many butterflies does

Barry have left in his collection?
Mathematics
2 answers:
Sav [38]4 years ago
5 0
Half of 64 is 32, and 32 - 12 = 20
netineya [11]4 years ago
4 0

Answer:

half of 64 is 32, and 32 - 12 = 20

Step-by-step explanation:

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Help me by finding this​
rodikova [14]

n = –1

24/3x=8x^n

8/x=8x^n ]÷8

1/x= x^n

x-¹=x^n

n=–1

7 0
3 years ago
If the roofs slope is 0.5 how high will the roof rise over a 17-Foot Run
Kazeer [188]
<span>17-foot run will be 8.5 feet I think this may be right </span>
8 0
3 years ago
What is the sum (x - 2) + (3x + 8) if x = 2?
alexandr402 [8]

Answer:

14

Step-by-step explanation:

2-2=0

3*2=6

6+8=14

7 0
3 years ago
Mike bought a photo frame which measured 8 inches in length and 7 inches in width. Determine the diagonal length of the photo fr
Anna11 [10]

The diagonal length of the photo frame having measurements of 8 inches in length and 7 inches in width is <u>10.63 inches</u>.

<h3>How is the diagonal of a rectangle determined?</h3>

The diagonal of a rectangle having a length l and width w will be:

d = √(l² + w²).

<h3>How to solve the question?</h3>

In the question, we are asked to determine the diagonal length of the photo frame bought by Mike, having measurements of 8 inches in length and 7 inches in width.

We know the photo frame is in the shape of a rectangle, as it has a length and a width.

We also know that the diagonal of a rectangle having a length l and width w will be:

d = √(l² + w²).

So, by substituting l = 8 and w = 7, in the above relation, we can calculate the diagonal of the photo frame as:

d = √(8² + 7²),

or, d = √(64 + 49),

or, d = √113,

or, d = 10.63.

Therefore, the diagonal length of the photo frame having measurements of 8 inches in length and 7 inches in width is <u>10.63 inches</u>.

Learn more about the diagonal of a rectangle at

brainly.com/question/23008020

#SPJ2

3 0
2 years ago
Read 2 more answers
Find the exact value of cos (u-v) given that sin u=-9/41 and cos v=15/17. (Both u and v are in quadrant IV)
siniylev [52]
Please review the sum and difference formulas for the trig functions.

In this case you have the difference between two angles u and v and want to find the cosine of this difference.

Here's the appropriate formula:  

cos (a-b) = cos a cos b + sin a sin b

Given that sin u = -9/41, equal to the opp side over the hyp., we must find the length of the adj. side and then u itself.

opp side = - 9
hyp =           4
adj side = sqrt( 18+4) = sqrt(22)

Find the side opp angle v in a similar manner.

Then cos (u-v) = cos u cos v + sin u sin v becomes

                        = (cos u)(15/17) + (-9/41)(sin v)   (where you must find cos u and sin v)

See what you can do, then return and comment here if you need further help.  Good luck.

8 0
3 years ago
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