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Firdavs [7]
2 years ago
13

Write 23.4571 correct to 4 significant figures

Mathematics
1 answer:
tiny-mole [99]2 years ago
3 0

Step-by-step explanation:

23.4571

Sig Figs6

Decimals4

Scientific Notation2.34571 × 101

Words twenty-three point four five seven one

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A bicycle tire has a radius of 26 inches. How many revolutions will this tire make if the bicycle is pedaled 1 mile? (Use 3.14 f
Fittoniya [83]
How far does a wheel move when it rotates once? The length of the outside of the tyre? Isn't that the same as the circumference?
4 0
1 year ago
a phone company offers a monthly data plan at for $10 a month . the plan includes two megabytes of data and charges $0.10 per me
tatuchka [14]

Answer:

\ m(x) = \{ {{10, if x\leq 2} \atop {0.1x + 9.8, if x>2}} \right.

Step-by-step explanation:

  • One off charge = $10
  • Charge for data over 2 Mb is =  $0.10 per MB

<u>The monthly charge for x MB data is:</u>

1 . Data ta used up to 2 Mb

  • $10  

2 . Data used more than 2 Mb

  • m(x) = 10 + 0.1(x - 2) = 10 + 0.1x - 0.2 = 0.1x + 9.8
  • m(x) = 0.1x + 9.8

So the function is:

  • \ m(x) = \{ {{10, if x\leq 2} \atop {0.1x + 9.8, if x>2}} \right.
5 0
2 years ago
Find the sum of the first 63 terms of –19, -13, -7 …
boyakko [2]

The Given Sequence is an Arithmetic Sequence with First term = -19

⇒ a = -19

Second term is -13

We know that Common difference is Difference of second term and first term.

⇒ Common Difference (d) = -13 + 19 = 6

We know that Sum of n terms is given by : S_n = \frac{n}{2}(2a + (n - 1)d)

Given n = 63 and we found a = -19 and d = 6

\implies S_6_3 = \frac{63}{2}(2(-19) + (63 - 1)6)

\implies S_6_3 = \frac{63}{2}(-38 + (62)6)

\implies S_6_3 = \frac{63}{2}(-38 + 372)

\implies S_6_3 = \frac{63}{2}(-38 + 372)

\implies S_6_3 = \frac{63}{2}(334)

\implies S_6_3 = {63}(167) = 10521

The Sum of First 63 terms is 10521

4 0
2 years ago
The balanced scale represents the equation: 3x + 1 = x + 3
Afina-wow [57]

<u>Given</u>:

The given balanced scale is represented by the equation

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

We need to determine the process that balance the scale.

<u>Process to balance the scale:</u>

Given that the if one x block is subtracted from the right side and three numbered blocks are subtracted from the left side.

Thus, the equation (1) becomes

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

        3x-2=3 ----- (2)

Now, to balance the scale, let us subtract one block x from the left side and subtract three numbered blocks from the right side.

Thus, the equation (2) becomes,

(3x-2)-x=3-3

        2x-2=0 ------ (3)

Thus, the equation (3) is the same as the equation (1).

Hence, the process required to balance the scale is to subtract one x block from the left side and subtract three numbered blocks from the right side.

Therefore, Option B is the correct answer.

6 0
2 years ago
Mr. Chin's hotel bill is $143. He leaves 12% of the hotel bill as a tip for the housekeeping service. What is the total amount M
Vlada [557]
First, begin by converting the tip of 12% to a decimal.

.12

Now, multiply that by the total bill.

.12*143=17.16

We now know the numerical value of the tip.

Add the tip to the total bill and get your answer.

143+17.16=160.16
4 0
2 years ago
Read 2 more answers
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