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Soloha48 [4]
3 years ago
8

The product of 7 and a number, increased by 3, is equal to twice the number, subtracted from 39.

Mathematics
1 answer:
anyanavicka [17]3 years ago
7 0
Let the number be X. Then we find
7X + 3 = 39 - 2X

Now we collect the terms and find
9X = 36

Finally we divide by 9
X = 4

So our answer is 4
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Which measurement is not equivalent to the others? 1 yard 3 feet 1/100 of a mile 36 inches
tigry1 [53]

Answer: 1/100 of a mile

Step-by-step explanation:

36 inches is equal to 3 feet which is equal to 1 yard

1/100 of a mile = 633.6 inches

6 0
3 years ago
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Can I get some help with this question plzzz
victus00 [196]
All the possible combinations are
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1-4. 2-4. 3-4. 4-4. 5-4. 6-4
1-5. 2-5. 3-5. 4-5. 5-5. 6-5
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What is the total for each roll?

2. 3. 4. 5. 6. 7.
3. 4. 5. 6. 7. 8
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7 0
3 years ago
john scored a 20% on his exam. he got 46 points out of the total number of points. how many total points were there on the test?
Nonamiya [84]

Answer:

230 points

Step-by-step explanation:

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6 0
3 years ago
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During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 80 of the residenc
Anastasy [175]

Answer: 0.893

Step-by-step explanation:

Given : Sample size of residential water bills: n=100

Number of residences had reduced their water consumption over that of the previous year = 80

Then sample proportion: \hat{p}=\dfrac{80}{100}=0.8

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The upper bound for confidence interval for population proportion :

\hat{p}+ z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

=0.8+ (2.326)\sqrt{\dfrac{0.8(1-0.8)}{100}}\\\\=0.8+0.09304=0.89304\approx0.893

Hence, the 98% upper confidence bound for the proportion of residences that reduced their water consumption.=0.893

4 0
3 years ago
A rental car agency charges $ 220.00 per week plus $ 0.25 per mile to rent a car. How many miles can you travel in one week for
nasty-shy [4]

The correct answer is 950 miles because $457.50 - $220.00 = $237.50 and $237.50 divided by $0.25 = 950

Hope this helps.

8 0
3 years ago
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