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3 years ago

PLEASE HELP !!! First and right answers I will mark brainliest !!!!

Mathematics

2 answers:

Mariulka [41]3 years ago

8 0

1. interquartile range
2. all

Mkey [24]3 years ago

8 0

The first answer is interquartile range
the second anser is ALL

PLEASE MARK BRAINLIEST AND ALSO HAVE A WONDERFUL DAY:D

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I know this is easy and i should know but im actually stumped on this one

nordsb [41]

For the given triangles:

There are 3 pairs of congruent angles

the triangles can not be proved using the congruent angles

the congruent angles used to prove the similarity of the triangles

So, the answer will be:

For the given triangle, we can not prove they are congruent.

8 0

2 years ago

17. The current low temperature in uxbridge is 18 degrees Fahrenheit. Over the next two days the low temperature will decrease 1

tensa zangetsu [6.8K]

Answer:

Expression: 18 - 12 + 7. In 3 days, the temperature will be 13 degrees.

Step-by-step explanation:

The temperature is 18 degrees.

It will decrease 12 degrees after one day. So, it is 18 - 12.

Then it will increase by 7 degrees after another day. So, it is 18 - 12 + 7.

18 - 12 = 6. 6 + 7 = 13.

So, the expression is 18 - 12 + 7 and the answer is 13 degrees (i think)

4 0

3 years ago

In a field there are cows, birds, and spiders. Spiders have 4 eyes and 8 legs each. In the field there are 20 eyes and 30 legs.

Kitty [74]

Answer:

1 spider, 3 cows, 5 birds.

Step-by-step explanation:

Cows (C): 4 legs, 2 eyes.

Birds (B): 2 legs, 2 eyes.

Spiders (S): 8 legs, 4 eyes.

The number of legs and eyes are given, respectively by:

$30 = 4C+2B+8S\\20 = 2C+2B+4S$

Multiplying the second equation by -2 and adding it to the first one gives us the number of birds:

$30 -40= 4C-4C+2B-4B+8S-8S\\-10 = -2B\\B=5$

Rewriting the original equations with B =5:

$30 = 4C+2*5+8S\\20 = 2C+2*5+4S\\20 = 4C+8S\\10 = 2C+4S\\C=5-2S$

Since the number of cows cannot be negative, and both C and S must be odd numbers, the only possible value of S is 1:

$C=5-2S\\S=1\\C=3$

7 0

3 years ago

Please hurry it’s urgent

MrRa [10]

Answer:

$V=\pi r^2h\\V=\pi(5)^2(10)\\V=\pi(25)(10)\\V=250\pi\\V=785.4$

Estimated

Step-by-step explanation:

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3 years ago

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Daphne rolls two 6-sided number cubes. What is the probability that she rolls

Alex Ar [27]

The answer is A. 2/36 or 1/18

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3 years ago

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