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yulyashka [42]
3 years ago
10

A bicycle training wheel has a radius of 3 inches. The bicycle wheel has a radius of 10 inches.

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0

Answer:

285.74

314 - 28.26 = 285.74

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Plot a point on the coordinate plane to represent each of the
Juli2301 [7.4K]
(1,4) you go right 1 time, and than go up 4.

7 0
2 years ago
The variables y and x^2 are directly
choli [55]

Answer:

y = \frac{20}{21} x²

Step-by-step explanation:

Given that y and x² are directly proportional then the equation relating them is

y = kx² ← k is the constant of proportion

When x = 2

y = k × 2² = 4k

When x = 5

y = k × 5² = 25k

Then

25k - 4k = 20 ( difference between values is 20 )

21k = 20 ( divide both sides by 21 )

k = \frac{20}{21}

y = \frac{20}{21} x² ← equation of proportion

6 0
2 years ago
Peggy is thinking of a number such that when twice the number is added to three times one more than the number she gets the same
mars1129 [50]

Answer:

-7

Step-by-step explanation:

Lets assume the number Peggy is thinking of be "x".

Now as given, when twice the number is added to three times one more than the number. We can write it as

∴ 2x+3(x+1)--- Equation 1

Again, it is given that Peggy gets the same result as when she multiplies four times one less than the number.

∴ 4(x-1)-- equation 2

Next, we can equate both the equation 1 and 2 as it is given that result is same.

2x+3(x+1)= 4(x-1)

Let´s distribute 3 into (x+1) and 4 into (x-1)

⇒ 2x+3x+3=4x-4

⇒ 5x+3=4x-4

Subtract both side by 4x and 3

∴ x=-7

∴ Peggy was thinking of -7

4 0
2 years ago
Would 64, 32, and 24 inch perimeter make a triangle?
Harlamova29_29 [7]

Answer:

no

Step-by-step explanation:

the two smaller numbers added together need to be greater than or equal to the larger number

8 0
3 years ago
The standard deviation of the data set is 2.3. Compute the variance to the nearest hundredth. 2,2,2,3,5,5,6,7,8
Arada [10]
The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.

2.3^2 = 5.29 <===
7 0
3 years ago
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