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elena-s [515]
3 years ago
12

Find the perimeter of the triangle. Please help! That one is 2x+5 if you cannot see.

Mathematics
1 answer:
Paul [167]3 years ago
6 0
2x3x5=30
3 is from the amount of sides in the triangle
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Lupita rides a taxi that charges a flat rate of $6.75 plus $3.20 per mile. If the taxi charges Lupita $40.03 in total for her tr
Alex777 [14]
Hello! In order to understand this question, we need to take a look at the content that is involved.

Lupita pays $40.03 in total. Meaning that's where we are going to start if we want to find out how many miles her ride was. Since the taxi charges a flat rate of $6.75. We would want to subtract it from her total value because we only work with that flat rate once. Which ends up giving us $33.28. From there, we don't need to worry about the flat rate anymore and we now focus on the mileage. If it costs $3.20 per mile, then we can simply divide the amount after to flat rate by the cost per mile, to figure out how many miles she has gone. In the end, you will get 10.4 miles.
8 0
3 years ago
What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x/2+3 ?
Svet_ta [14]

<u>Answer</u>

y = -2x + 10


<u>Explanation</u>

The general equation for a straight line is y = mx + c where m and c are gradient and y-intercept respectively.

y=x/2+3 = y (1/2)x + 3

gradient = 1/2

Gradient of the line perpendicular to y=x/2+3 is;

m × 1/2 = -1

m = -2

Now we find the equation of a line passing through (1,8) and have a gradient of -2.

-2 = (y - 8)/(x - 1)

-2(x - 1) = (y - 8)

2 -2x = y - 8

y = -2x + 10


3 0
3 years ago
7 cards are drawn from a standard deck of 52 cards. How many different 7-cars hands are possible if the drawing is done without
adell [148]

Answer:

5040

Step-by-step explanation:

every card in a 52 deck, is unique, and there are 7 cards drawn, without replacement, so your answer is 7!, 7! = 7*6*5*4*3*2*1=5040

5 0
3 years ago
Which of these expressions is equivalent to log(25 • 18)?
riadik2000 [5.3K]

Answer: B. log(25) + log(18)

Step-by-step explanation:

Use the rule for the sum of logs: the log of a product is the sum of the logs, which means log(x) + log(y) = log(xy) if they have the same base.

5 0
3 years ago
(−p 3 −p)+(6p 2 +6p−7) HELP ME PLEASE
stepan [7]

Remove parenthesis ; -p^3 -p + 6p^2 + 6p - 7

group like terms : -p^3 + 6p^2 - p +6p - 7

add similar elements : -p^3 + 6p^2 + 5p - 7 (answer)

3 0
3 years ago
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