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faltersainse [42]
3 years ago
12

I really need help on this help me please

Mathematics
2 answers:
Eduardwww [97]3 years ago
8 0

Answer:

by migration

Step-by-step explanation:

people believed in things then moved and showed others

IrinaK [193]3 years ago
6 0

Answer:

Step-by-step explanation: different cultures pick up another cultures way of living and soon it becomes there way of life as well, 6th grade social studies I feel you.

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Anil wants to multiply 5, 6, and 3. Which expression could Anil write in the box to
matrenka [14]

Answer:

5x18

Step-by-step explanation:

5x6x3 and 5x18 equal 90

6 0
3 years ago
Read 2 more answers
The school has 550 students, 30 teachers, and 10 administrators. What is the ratio of teachers to students?
Alik [6]

Answer: 55:3

Step-by-step explanation:

550/10=55 <- students

30/10=3 <- Teachers

55:3 (last option) ||btw can u help me on my question?

6 0
3 years ago
Read 2 more answers
The equation of the graphed line in point-slope form is?, and it’s equation in slope-intercept form is?
tester [92]

ANSWER

Point-slope form:

y - 3 =  -\frac{3}{5} (x  + 2)

Slope-intercept form:

y= -\frac{3}{5} x  +  \frac{9}{5}

EXPLANATION

The graphed line passes through

(-2,3) \:  \: and \:  \:  (3,0)

The slope of this line is determined using

m = \frac{y_2-y_1}{x_2-x_1}

We substitute the points to get;

m =  \frac{0 - 3}{3 -  - 2}

m = -\frac{3}{5}

The point-slope formula is:

y-y_1 = m(x - x_1)

Substitute the first point and slope to get:

y - 3 = -\frac{3}{5} (x -  - 2)

y - 3 = -\frac{3}{5} (x  + 2)

To find the slope-intercept form, we expand to get:

y= -\frac{3}{5} x  -  \frac{6}{5}  + 3

y= -\frac{3}{5} x  +  \frac{9}{5}

4 0
3 years ago
Read 2 more answers
15 pages in 2 days ___ in 1 day
alexandr1967 [171]

Answer:

7.5 pages.

Step-by-step explanation:

You divide 15 by 2 to work out 1 day.

6 0
3 years ago
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The outcome X of an experiment has only two possible values, X= 4 and X= 5. Given that the expected outcome E(X)= 4.2, find P(X=
alukav5142 [94]

Answer:

P(X=5) = 0.2

Step-by-step explanation:

Expected outcome, E(x) = ∑XP(X)

∑ = Summation

X = outcomes

P(X) = probability of an outcome

E(X) = (4*P(X=4)) + (5*P(X=5)) = 4.2

So, 4P(X=4) + 5P(X=5) = 4.2  ... equation 1

But the sum of probabilities = 1

That is, P(X=4) + P(X=5) = 1 ... equation 2

Thus, we have the following system of equations

4P(X=4) + 5P(X=5) = 4.2  ... equation 1

P(X=4) + P(X=5) = 1 ... equation 2

Multiply equation 2 by 4

4*P(X=4) + 4*P(X=5) = 4*1

4P(X=4) + 4P(X=5) = 4  ... equation 3

4P(X=4) + 5P(X=5) = 4.2  ... equation 1

4P(X=4) + 4P(X=5) = 4  ... equation 3

Subtract equation 3 from 1

4P(X=4) - 4P(X=4)  + 5P(X=5) - 4P(X=5) = 4.2 - 4

P(X=5) = 0.2

3 0
3 years ago
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