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Mariana [72]
3 years ago
8

What is the answer if you substitute 74 for y 74=x-1

Mathematics
1 answer:
klio [65]3 years ago
8 0

Answer:

x=75

Step-by-step explanation:

74 = x-1

+1      +1

75=x

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Question 1.
tangare [24]

Answer:

1. 8.03 x 108 2. 6.8 × 10-9 3. 135,900 4. 2.5x10^-11

Step-by-step explanation:

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 803,000,000New Number: 8.03000000Step 2

Now, to find b, count how many places to the right of the decimal.

New Number:8.03000000Decimal Count:12345678

There are 8 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 8.03 (Please notice any zeroes on the end have been removed)

b = 8

Now the whole thing:

8.03 x 108

Step 4

Check your work:

108 = 100,000,000 x 8.03 = 803,000,000

7 0
2 years ago
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pochemuha

Answer:

B

Step-by-step explanation:

6 0
3 years ago
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stira [4]

Answer:

Step-by-step explanation:

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5 0
2 years ago
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Susan tips at the rate of $75 tto 5 waiters how many waiters will she be tipping if she can afford a $90 tip
aalyn [17]
64. Susan tipped at the rate of 75 dollars to 5 waiters. Question: She can afford to pay up to 90 dollars, How many waiters can she tipped if that is the case. Let’s solve first and identify how much will she be giving to each waitress with 75 dollars is to 5 waiters rate: => 75 dollars / 5 waiters = 15 dollars each waiter Now, she have 90 dollars => 90 – 75 = 15 Thus => 90 / 15 = 6 waiters she will be tipping.
5 0
3 years ago
Please help me!! <br> solve 31 = x + 25.5
serious [3.7K]

Answer:

x = 5.5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

31 = x + 25.5

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 25.5 on both sides:                    5.5 = x
  2. Rewrite:                                                      x = 5.5
6 0
2 years ago
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