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Elis [28]
3 years ago
15

When writing a repeating decimal as a fraction does the number of repeating digits you use matter

Mathematics
1 answer:
umka21 [38]3 years ago
4 0
Yes, it matters, if it is recurring or simply just irrational <span />
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write the correct Equation and Solve. Use x for the variable. The difference of four times a number and seven is thirteen​
Verizon [17]

Answer:

Step-by-step explanation:

Let the number be x

4times a number  =4x

The difference of four times a number and seven : 4x - 7

4x - 7 = 13

      4x = 13 + 7

      4x = 20

        x = 20/4

        x = 5

7 0
3 years ago
A bacteria has a doubling period of 5 days. If there are 2350 bacteria present now, how many will there be in 22 days?
topjm [15]
First abswer is 51700
Sexond answer is 10340
6 0
3 years ago
If a toy rocket is launched vertically upward from the ground level with an initial velocity of 128 feet per second, then its he
natta225 [31]

Answer:

The maximum height of the rocket is 256 feet

Step-by-step explanation:

The vertex form of the quadratic function f(x) = ax² + bx + c is

f(x) = a(x - h)² + k, where

  • (h, k) is the vertex point
  • h = \frac{-b}{2a} and k = f(h)
  • (h, k) is a minimum point if a > 0 and a maximum point if a < 0

Let us use these rules to solve the question

∵ h(t) = -16t² + 128t

→ Compare it by the form of the quadratic function above

∴ a = -16 and b = 128

∵ a < 0

∴ The vertex (h, k) is a maximum point

∴ The maximum height of the rocket is the value of k

→ Use the rule of h above to find it

∵ h = \frac{-128}{2(-16)} = \frac{-128}{-32}

∴ h = 4

→ Substitute x in the equation by the value of h to find k

∵ k = h(h)

∴ k = -16(4)² + 128(4)

∴ k = -256 + 512

∴ K = 256

∴ The maximum height of the rocket is 256 feet

4 0
3 years ago
What is 7.4 rounded to the nearest tenth?
stepan [7]
7.4 rounded to the nearest tenth is 7
8 0
3 years ago
Read 2 more answers
Predicting using Line of Best Fit 1000 Determine the temperature when the ice-cream sale is $300. 50 100 s Share with Class 1000
nikitadnepr [17]

Answer:

sorry i need points

Step-by-step explanation:

you nub lol

5 0
3 years ago
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