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3 years ago

Name the intersections of lines l and m .

Mathematics

1 answer:

grigory [225]3 years ago

7 0

The intersections of lines l and m is B as that is the only point where those two lines meet

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Need help with this question please thank you

SVETLANKA909090 [29]

A - 90 degrees
B - 110 degrees
C - 78.5 = $\pi$ 5 to the second power
D - 15.3

To find A, the point of intersection of a tangent to the center of a circle always makes a 90 degree angle.

To find B, do 360 subtracted by all known angles while keeping in mind the angle opposite to RST.

To find C, use the formula to find an area of a circle. In this case, OP = pi r squared.

To find D, you need to realize that it is just a fraction of the circle which is 70 degrees. So you need to use the fraction to find the answer, to do so you use (70/360) times 78.5 which gets you 15.3.

Hope this helps!

8 0

3 years ago

There are five consecutive odd integers. The sum of the three smallest is 3 more than the sum of the two largest. Find the integ

Cerrena [4.2K]

Answer:

11 13 15 17 19

Step-by-step explanation:

We will solve this word problem using 2k+1 which is one of the general forms of an odd integer.

Let 2k+1 be the first odd integer.

(2k+1) + (2k+3) + (2k +5) = (2k+7) + (2k +9) + 3 (the +3 is to accommodate for the left side being 3 more than the right)

Solve for k

6k + 9 = 4k + 19

6k - 4k + 9 = 4k-4k + 19

2k + 9 = 19

2k + 9 - 9 = 19 - 9

2k = 10

2k/2 = 10/2

k = 5

To get the first digit in the series plug in 5 for k

2k+1

2(5) + 1

10 + 1 = 11

So our series is 11, 13, 15, 17, 19

Let's test it.

11 + 13 +15 = 39

17 + 19 = 36

So we are correct, the first 3 integers are 3 more that the sum of the last 2.

6 0

3 years ago

Can someone please help me?

Brilliant_brown [7]

dotted line that is at (0,1) then the dotted line goes up to the right and also down to the left so for going up its 1 up 1 over and then also draw a line on the orgin 0,0 that goes in the opposistedirection so left up one to the left one and do that corner to corner that line is filled in and then to get your anwser shade in the area below your secoundline to the bottom of the first line which is going to be bottom left of your graph step-by-step explanation:

3 0

3 years ago

1. Triangle ABC is dilated by a scale factor of 1.5 to create triangle A'B'C'. Which of

patriot [66]

Answer:

Step-by-step explanation:

because it gets bigger so they are not going to have the same measures or lenghts.

3 0

3 years ago

If you draw a card with a value of 4 or less from a standard deck of cards, I will pay you 165$ if not your pay me $45. (Aces ar

jekas [21]

Answer: The required expected value is $3.46.

Step-by-step explanation:

Since we have given that

Number of value of 4 or less are

2,3,4

So, there are 12 in numbers.

So, probability would be

$\dfrac{12}{52}$

Since Aces are considered as the highest card in the deck.

So, remaining probability would be

$\dfrac{40}{12}$

Amount paid or value of 4 or less = $165

Amount not paid for other case = $45

So, the expected value would be

$\dfrac{12}{52}\times 165-\dfrac{40}{52}\times 45\\\\=\dfrac{1980}{52}-\dfrac{1800}{52}\\\\=\dfrac{180}{52}\\\\=3.46$

Hence, the required expected value is $3.46.

7 0

3 years ago