3 years ago

Help please im trying to pass

Mathematics

2 answers:

geniusboy [140]3 years ago

8 0

0,-1 you’re y intercept will always be where your line crosses the the bold graph line going straight up and down

Stells [14]3 years ago

3 0

Answer:

(0, -1)

Step-by-step explanation:

that is where the line intercepts on the vertical axis

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20000 students took a standardized math test. The scores on the test are normally distributed, with a mean score of 85 and a sta

Tpy6a [65]

Answer: 2718

Step-by-step explanation:

Given: Mean score = 85

Standard deviation = 5

Let x be the score of a random student that follows normal distribution.

Then, the probability that a student scored between 90 and 95 will be

$P(90< x < 95)\\\\=P(\dfrac{90-85}{5}$

The number of students scored between 90 and 95 = 0.1359 x (Total students)

= 0.1359 (20000)

= 2718

Hence, The number of students scored between 90 and 95 = 2718

7 0

4 years ago

A quarter has a mass of 0.006 kg, a tennis ball has a mass of 0.06 kg, and a basketball has a mass of 0.6 kg. Answer choices: 10

Harrizon [31]

Answer:

Don’t know

Step-by-step explanation:

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7 0

3 years ago

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If there are 60 min in a hour, 60 sec in min and 10 counts in a second how much is half of a second

Sedbober [7]

There are 5 counts in half a second

8 0

3 years ago

In ΔMNO, the measure of ∠O=90°, the measure of ∠M=39°, and MN = 5.3 feet. Find the length of NO to the nearest tenth of a foot.

Veronika [31]

Answer:

3.3 ft

Step-by-step explanation:

Side NO is opposite the angle M, so the applicable trig relation is ...

Sin = Opposite/Hypotenuse

Opposite = Hypotenuse×Sin

NO = MN×sin(39°) = (5.3 ft)sin(39°)

NO ≈ 3.3 ft

8 0

3 years ago

Just please help me!!!

mote1985 [20]

Answer:

the last one

3x-y=1

-2x+y=-4

Step-by-step explanation:

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3 years ago

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