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3 years ago

Which side lengths could be used to form a triangle?

Mathematics

1 answer:

vova2212 [387]3 years ago

5 0

1m ,2m, 2m
It always equal less than 7

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Elizabeth brought a box of donuts to share. There are two-dozen (24) donuts in the box, all identical in size, shape, and col

dimulka [17.4K]

Answer:

Hehe

Step-by-step explanation:

8 0

2 years ago

In a class 27 of students, 12 have a cat and 11 have a dog. There are 5 students who have a cat and a dog. What is the probabili

frosja888 [35]

Answer:

41.67% probability that a student has a dog given that they have a cat

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: having a cat.

Event B: having a dog.

12 of 27 students have a cat:

This means that $P(A) = \frac{12}{27}$

5 students who have a cat and a dog.

This means that $P(A \cap B) = \frac{5}{27}$

What is the probability that a student has a dog given that they have a cat?

$P(B|A) = \frac{\frac{5}{27}}{\frac{12}{27}} = \frac{5}{12} = 0.4167$

41.67% probability that a student has a dog given that they have a cat

6 0

3 years ago

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS

rusak2 [61]

Answer:

D. -19/2

Step-by-step explanation:

Well, we know that R is greater than Y and that at the midpoint, R is 10.5, so Y can't be greater than this (c, 13) and that it isn't the same (b, 10.5). It could either be -8 or -19/2 (which is -9.5). Being that your first coordinate is in fraction form, the second one would also have the be, making the answer D. -19/2

7 0

2 years ago

Read 2 more answers

-3 (9x +20) > 15x -20

KengaRu [80]

-27x - 60 > 15x - 20
+27x +20 +27x +20

-40= 42x

-20
----- = x Is this correct?
21

3 0

2 years ago

Which graph correctly represents (5/2)x - y < 3?

Setler79 [48]

You can rewrite the inequality as

$y > \cfrac{5}{2}\ x - 3$

Note that

$y = f(x) = \cfrac{5}{2}\ x - 3$

is the equation of the line drawn in the pictures. This means that, for every point on the line, the y coordinate is exactly image of the x coordinate, i.e. $f(x)$

The inequality is satisfied by all points whose y coordinate exceeds the image of the x coordinate. Since the y axis is positively oriented upwards, a greater value for the y coordinate means that the point has to be higher than the line.

Also, since the equality inlves a $>$ and not a $\geq$ sign, the line itself is excluded.

So, the correct graph is the second one.

3 0

3 years ago

Read 2 more answers