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antoniya [11.8K]
3 years ago
5

What type of symmetry?

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
7 0
Both line and rotational symmetry
VLD [36.1K]3 years ago
5 0
Rational and line of symmetry
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Ally's tricycle has two different wheel sizes: one larger wheel and two smaller wheels. As Ally travels the distance between her
vazorg [7]

Answer:

500 inches

Step-by-step explanation:

Let C₁ and n₁ be the circumference and the number of rotations of the larger wheel. Also, let C₂ and n₂ be the circumference and the number of rotations of the smaller wheel. Since the distance moved by both wheels from Ally's house to her neighbor's house is the same, n₁C₁ = n₂C₂. (1)

Also it is given that half the circumference of the larger wheel is 5 inches more than the circumference of one of the smaller wheels.

So, C₁/2 = C₂ + 5

C₁ = 2(C₂ + 5)  (2)

Substituting C₁ into (1), we have

n₁C₁ = n₂C₂.

n₁[2(C₂ + 5)] = n₂C₂.

Since n₁ = 10 and n₂ = 25, we have

10[2(C₂ + 5)] = 25C₂

20(C₂ + 5) = 25C₂

expanding the bracket,

20C₂ + 100 = 25C₂

collecting like terms, we have

25C₂ - 20C₂ = 100

5C₂ = 100

dividing both sides by 5, we have

C₂ = 100/5

= 20 inches

So, the distance between Ally's house and her neighbor's house is d = n₂C₂ = 25(20)

= 500 inches

8 0
2 years ago
How many solutions does this equation have? 7a + 5 (a+3) = 8a + 4 (a+2)
Vlada [557]

Answer:

no solution.

Step-by-step explanation: type it into the calculator on symbolab. it will tell you how to solve and give you the answer.

brainliest?

5 0
2 years ago
What is the common factor for 9 and 11
asambeis [7]

The gcf of 9 and 11 is 1.

3 0
3 years ago
Laura has a job that pays $4,625 monthly. How much is
victus00 [196]

Answer: $804.75

Step-by-step explanation:

The Social Security (OASDI) withholding rate is the gross pay times 6.2% of the maximum pay level for that particular year while the Medicare withholding rate is the gross pay times 1.45 %.

Laura has a job that pays $4,625 monthly. Her Medicare will be:

(1.45% of $4,625) × 12

= 0.0145 × $4625 × 12

= $804.75

4 0
3 years ago
The amount of time is takes dora to commute to work is always within 5 minutes of the average number of minutes the commute take
Maslowich

Answer:

The average time to commute to work is 25 minutes.

Step-by-step explanation:

If average time for Dora to commute to work is 5 mins. If she takes 45 mins to get to work then her overall average time to commute to work will change as the average consists of 2 or more figures. The average time to commute to work is 25 mins ((5+45)/2). The average of 5 mins and 45 mins is 25 mins. This is the overall average time she takes to commute to her work.

5 0
3 years ago
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