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allochka39001 [22]
2 years ago
6

Anyone best gets brainky

Mathematics
2 answers:
Anton [14]2 years ago
7 0

Answer:

2/5 x 45 -7 = 11

Step-by-step explanation:

                      Hope this helps you

      Sorry if it is wrong.

belka [17]2 years ago
4 0
It’s 45. 11 plus 7 equals 18. 18 times 5/2 equals 45
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PLEASE HELP ME Determine the premiter of the figure . Use 3.14 for PI Round to the nearest tenth. Numbers are 10 in and 15in​
densk [106]

Answer:

5\pi+40

Step-by-step explanation:

perimeter of circle=2\pir

so 5 is r(radius)

so 10\pi, but since it’s semicircle, you have to divide by 2, so

5\pi

perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40

so 5\pi+40

3 0
2 years ago
At a grocery store I bought a bag of 7 apples. Some apples are red and some apples are green. How many combination of 7 apples c
nordsb [41]
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3 years ago
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Elis [28]

Answer:

the correct answer is the second

4 0
2 years ago
Type the correct answer in each box
Luba_88 [7]

Answer:

We know that the equation of the circle in standard form is equal to <em>(x-h)² + (y-k)² = r²</em> where (h,k) is the center of the circle and r is the radius of the circle.

We have x² + y² + 8x + 22y + 37 = 0, let's get to the standard form :

1 - We first group terms with the same variable :

(x²+8x) + (y²+22y) + 37 = 0

2 - We then move the constant to the opposite side of the equation (don't forget to change the sign !)

(x²+8x) + (y²+22y) = - 37

3 - Do you recall the quadratic identities ? (a+b)² = a² + 2ab + b². Now that's what we are trying to find. We call this process <u><em>"completing the square"</em></u>.

x²+8x = (x²+8x + 4²) - 4² = (x+4)² - 4²

y²+22y = (y²+22y+11²)-11² = (y+11)²-11²

4 - We plug the new values inside our equation :

(x+4)² - 4² + (y+22)² - 11² = -37

(x+4)² + (y+22)² = -37+4²+11²

(x+4)²+(y+22)² = 100

5 - We re-write in standard form :

(x-(-4)²)² + (y - (-22))² = 10²

And now it is easy to identify h and k, h = -4 and k = - 22 and the radius r equal 10. You can now complete the sentence :)

5 0
3 years ago
delilah studies the wolf population of a nearby national park. She has calculated that the population decreased by 1.25% per yea
KATRIN_1 [288]

Step-by-step explanation:

i need time

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<h2>,...............................................</h2>
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3 years ago
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