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Anuta_ua [19.1K]
4 years ago
14

Use the expression 4s to find the perimeter of a square that has a side length of 7 centimeters.Show your work

Mathematics
1 answer:
Olenka [21]4 years ago
8 0
The perimeter of a square is always 4s as there are four sides of length s. In this case:

P=4*7=28cm
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If the sales tax is 6.75%, how much tax would Adrian pay if he bought two CD's at $16.99 each and one DVD for $36.29.
Reptile [31]
CD:2 at $16.99 each=$33.98
DVD:1 at $36.29
$33.98+$36.29=
$70.27
6.75%*70.27=4.743225
round to the nearest tenth:
4.74
Andrian will pay 
<u>$4.74 as sales tax </u>
6 0
3 years ago
a motorist left home at 10 a.m. to travel to a cityof a distance of 260 km he reckoned hecould average 80km/ h at what time woul
kap26 [50]

Answer:

He would get there at 1:15 (I did this in my head, may be wrong)

Step by step solution:

We know the motorist left home at 10. We can divide the 260/80 and we get 3 hrs, we still have 20 km left over, keep on dividing and you get 1:15 p.m.

6 0
3 years ago
Evaluate ∫ e3x cosh 2x dx A. 1/2e5x + 1/2ex + C B. 1/10e5x + 1/5 x + C C. 1/10e5x + 1/2ex + C D. 1/4e3x + 1/2 x + C
goldfiish [28.3K]

∫ e^(3x)*(cosh(2x)dx

= ∫ [e^(3x)*(e^(2x)+e^(-2x))/2]dx

= ∫ [(e^(5x)+e^x)/2]dx

=e^(5x)/10+e^x/2+C

=(1/10)(e^(5x)+5e^x)+C

6 0
3 years ago
Find the value of x, the problem is below.
Svetradugi [14.3K]
Angles are complementary and x is 15
7 0
3 years ago
Read 2 more answers
There is a 70% chance of rain tomorrow and a 20% chance that the volleyball game will be postponed. What is the probability that
OleMash [197]

Answer:

The correct option is A. 14%

Step-by-step explanation:

There is a 70% chance of rain tomorrow

⇒ The probability that it will rain tomorrow = 0.7

There is a 20% chance that the volleyball game will be postponed

⇒ The probability that the volleyball game will be postponed = 0.2

Now, We need to find the probability that it will rain tomorrow and the volleyball game will be postponed

⇒ The probability that it will rain tomorrow and the volleyball game will be postponed = Probability that it will rain × Probability that the volleyball game will be postponed

⇒ The probability that it will rain tomorrow and the volleyball game will be postponed = 0.7 × 0.2

⇒ The probability that it will rain tomorrow and the volleyball game will be postponed = 0.14

⇒ The probability that it will rain tomorrow and the volleyball game will be postponed = 0.14 × 100

⇒ The probability that it will rain tomorrow and the volleyball game will be postponed = 14%

Thus, the correct option is A. 14%

6 0
3 years ago
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