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Dmitrij [34]
3 years ago
9

SOMEONE KNOW THIS, IS STUDY ISLAND

Mathematics
1 answer:
Tems11 [23]3 years ago
7 0

Answer:

the option are A.

92.4%

B.

7.6%

C.

91.8%

D.

8.2%

Step-by-step explanation:

Think of it what times 61 will equal 66....

     61 () = 66

     (?%) = 66 /61

     (?) = 1.08196   

so now it gets tricky get the percentage increase correct

based on the given answer choices I'ld say it is D

     % increase = (1.08196 - 1) (100)          Why the subtraction of one? ?

                        = 8.196%

                        = 8.2 %

   

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If x>0, what values of c and d make the equations true?
pantera1 [17]

Answer:

In equation A, c = 7

In equation B, d = 5

Step-by-step explanation:

5 0
3 years ago
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What is the perimeter of a polygon with verticals at (-1, 3) , (-1, 6) , (2, 10) , (5, 6) , and (5, 3)
Marat540 [252]

Answer:

22 units

Step-by-step explanation:

The perimeter of a polygon is said to be the sum of the length of it's sides.

From the question, we have 5 vertices. This means the polygon is a pentagon. It's given vertices are

A = (−1, 3)

B = (−1, 6) ​

C = (2, 10)

D = (5, 6) ​​

E = (5, 3) ​

To find the distance between two points, we use the formula

d = √[(y2 - y1)² + (x2 - x1)²]

Between A and B, we have

d(ab) = √[(6 - 3)² + (-1 --1)²]

d(ab) = √(3²) + 0

d(ab) = √9 = 3

Between B and C, we have

d(bc) = √[(10 - 6)² + (2 --1)²]

d(bc) = √[4² + 3²]

d(bc) = √(16 + 9) = √25 = 5

Between C and D, we have

d(cd) = √[(6 - 10)² + (5 - 2)²]

d(cd) = √[(-4)² + 3²]

d(cd) = √(16 + 9) = √25 = 5

Between D and E, we have

d(de) = √[(3 - 6)² + (5 - 5)²]

d(de) = √(-3)² + 0

d(de) = √9 = 3

Between E and A, we have

d(ea) = √[(3 - 3)² + (5 --1)²]

d(ea) = √[0 + (6)²]

d(ea) = √36 = 6

The perimeter is given as

d(ab) + d(bc) + d(cd) + d(de) + d(ea) =

3 + 5 + 5 + 3 + 6 = 22 units

7 0
2 years ago
PLSSS HELP I’LL GIVE BRAINIEST
Bess [88]

Answer:

Step-by-step explanation:

Find the amount of time it takes for a beam of light from the Sun to reach Earth.

3 0
1 year ago
Please help me if you know it
tino4ka555 [31]

Answer:

c is right answer bro ok ....

3 0
2 years ago
A 10-pound sack of flour costs $8. whats the cost per pound
tia_tia [17]

Answer:

Your answer is 1.25 stay safe ❤.

Step-by-step explanation:

10÷8 = 1.25

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