Log7 1/49=-x-2 hate math so bad it won't even let me sleep

Answers

Answer 1

Answer: $log_7 (1)/(49) =-x-2\n\nlog_77^(-2)=-x-2\n\n-2=-x-2\n\nx=-2+2\n\nx=0$

Answer 2

Answer: $log_7((1)/(49))=-x-2\n \n log_77^(-2)=-x-2\n \n 7^(-x-2)=7^(-2)\n \n -x-2=-2\n \n -x=0\n \n x=0$

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Rachel divided 105 strawberries equally into 7 boxes. How many strawberries will 5 such boxes contain ?

Answers

Answer:the answer would be 75

Step-by-step explanation:If you divide 105 by 7 you get 15 which mean there are 15 strawberries per box so just take 15 times 5 to get your answer -hope this helps!

During your first week of training for a marathon, you run a total of 10 miles. You increase the distance you run by twenty percent. How many miles do you run during your twelfth week of training?

Answers

1200 miles in twelve weeks of training

A painter is painting a wall with an area of 150 ft2. He decides to paint half of the wall and then take a break. After his break, he paints half of the remaining unpainted portion and then takes another break. If he continues to paint half of the remaining unpainted portion between breaks, approximately what portion of the original wall will be painted when he takes his fifth break?112.50 ft2

145.31 ft2

147.66 ft2

290.63 ft2

Answers

The answer is 141.35 ft²

Before the first break, it was painted:
150 ft² ÷ 2 = 75 ft²
Now it's left:
150 ft² - 75 ft² = 75 ft²

Before the second break, it was painted:
75 ft² ÷ 2 = 37.5 ft²
Now it's left:
75 ft² - 37.5 ft² = 37.5 ft²

Before the third break, it was painted:
37.5 ft² ÷ 2 = 18.75 ft²
Now it's left:
37.5 ft² - 18.75 ft² = 18.75 ft²

Before the fourth break, it was painted:
18.75 ft² ÷ 2 = 9.375 ft²
Now it's left:
18.75 ft² - 9.375 ft² = 9.375 ft²

Before the fourth break, it was painted:
9.375 ft² ÷ 2 = 4.6875 ft²
Now it's left:
9.375 ft² - 4.6875 ft² = 4.6875 ft²

Now, we will sum what he painted for now:
75 ft² + 37.5 ft² + 18.75 ft² + 9.375 ft² 4.6875 ft² = 141.3125 ft² ≈ 141.35 ft²

When the painter takes his fifth break, there will be 141.35 ft² of the wall painted.

The painter would have 145.3125 ft^2 painted after the fifth break.

Find the greatest common factor (GCF) for 72, 36, and 24.

Answers

12

Working;
12 is a common factor for all the terms.

Which of these measurements is expressed to four significant figures?a. 2.6 x 104 m
b. 5.300 x 10-7 m
c. 0.108 m
d. 16.530 m

Answers

Answer: The answer is d. 16.530 m with 4 significant figures

Step-by-step explanation:

Significant figures are the digits that contribute meaning in the expression

In the given options

a. $2.6* 10^4$

Here only 2 and 6 are counted as significant digits

b. $5.300* 10^(-7)$

Here Since the zeros are after decimal So they will not be counted in significant figure i.e. S fig =2

c. 0.108

Here No of significant figures will be 3

d. 16.530

Here the no of significant figures are 4 i.e 1 6 5 3

So the answer is d.16.530

5.300 x 10-7 m this is the correct answer 100%so B

Barry bought 100/300/50 liability with a $500 deductible on collision and $500 deductible on comprehensive coverage. The base premiums are $450, $245, $148, and $85, respectively. How much is his total base premium if his rating factor is 2.60?A) $675
B) $780
C) $928
D) $2,412.80

Answers

Answer:

The correct answer is D. $2412.8

Step-by-step explanation:

Sum of all liabilities Barry bought = 100 + 300 + 50 = $450

But $500 is deductible so there will be no charge on the liabilities.

Now, Sum of base premiums = 450 + 245 + 148 + 85 = $928

Also, the rating factor = 2.60

∴ Total base premium = (Sum of base premium) × Rating factor

= 928 × 2.60 = $2412.8

Therefore, the correct answer is D. $2412.8

450+245+148+85
=928

928×2.60
=2,412.8

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