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Mnenie [13.5K]
3 years ago
8

Anyone know the answer

Mathematics
2 answers:
Kazeer [188]3 years ago
7 0
6 hr should be it i believe 
LuckyWell [14K]3 years ago
6 0
Convert it all to minutes and add:
105+90+165= 360
convert minutes to hours: 360 = 6 hours
D is the answer
please mark my answer brainliest!
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An equilateral triangle has sides of length 2 units. A second equilateral triangle is formed having sides that are 150% of the l
murzikaleks [220]

Answer:

The percent increase in the perimeter is 337.5%

Step-by-step explanation:

The easiest way to approach this problem is by using consecutively the simple rule of three.

If the first triangle has sides of length two then, we can compute the second triangle's sides length as follows:

2 units------100%

X units------150%    

this way

X = 2*\frac{150}{100}\\ X =2*1.5\\X=3units.

Now for the third triangle we repeat the same process

3 units------100%

X units------150%  

getting that the length of the sides for the third triangle is

X = 3*\frac{150}{100}\\ X =3*1.5\\X=4.5units.

Now for the last triangle we repeat the same process

4.5 units------100%

X units------150%  

getting that the length of the sides for the last triangle is

X = 4.5*\frac{150}{100}\\ X =4.5*1.5\\X=6.75units.

Now, we need to know the perimeter of the first and last triangle. This can be calculated as the sum of the length of the sides of the triangle.

For the first triangle

P_{first}=2+2+2\\P_{first}=6

and for the last triangle

P_{first}=6.75+6.75+6.75\\P_{first}=20.25.

To compute the percent increase in the perimeter from the first to the fourth triangle we will use one last simple rule of three (this time the percentage will be the variable)

6 units------100%

20.25 units------X%

so

X = 100\frac{20.25}{6}\\ X=337.5\%.

4 0
3 years ago
John took a quiz there are 25 questions, I got a 76% how many did John get right and how many did he get wrong
FinnZ [79.3K]

Answer:

6 wrong.

Step-by-step explanation:

25 questions  76% 25*0.76=19 so he got 6 wrong.

Hope this helps plz hit the crown :D

4 0
2 years ago
Read 2 more answers
Kyle is buying a new car. The car can be driven 24.3 miles with one gallon of gas. The gas tank can hold 15.3 gallons of gas. Ky
ipn [44]
Im sure the answer is 371.79
4 0
3 years ago
Read 2 more answers
Which equation has the same solution as 10(x) - x + 5 = 41
viva [34]

Step-by-step explanation:

if that is truly the full problem description, then we have

10x - x + 5 = 41

=>

9x = 36

our simply

x = 4

so, I am not sure, what your teacher wants to see as result.

there is an infinite number of equations I could find, all with the solution x = 4.

6 0
3 years ago
In a given​ year, residents of a country spent approximately ​$54.6 billion on their pets. Of this​ amount, ​$17.1 billion was f
UNO [17]

The 31.31% of the $54.6 Billion was spent.

for the percentage solution

 x%=(amount spent on veterinary/ total amount) *100

Calculation:

let "x" be the percent of $54.6 billion spent on veterinary and total amount spent is $17.1 billion.

putting values in above formula

x%=(17.1/54.6)*100

x%=(0.3131)*100

x%=31.31

The 31.31% of the $54.6 Billion was spent.

Learn more about the percentage here:

brainly.com/question/14091961

#SPJ1

8 0
1 year ago
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