3 years ago

Need help. 7.58 × 10^2 convert with a standard and scientific notation

Mathematics

1 answer:

mixas84 [53]3 years ago

7 0

The answer is 0.00758

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Simplify 7.5/4 - 4.9+2.1/25

andriy [413]

Answer:

-2.941

Step-by-step explanation:

7.5/4=1.875

2.1/25=0.084

1.875-4.9+0.084

-3.025+0.084

-2.941

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3 years ago

Which statement describes how to determine if a relation given in a table is a function?

Ahat [919]

I believe the answer is “If none of the input values are repeated, the relation is a function” because one input must have one output.

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3 years ago

Read 2 more answers

C and D are mutually exclusive events. Find P(C or D).<br> P(C)= 3/7= P(D)= 4/7<br> P(C or D)

IgorLugansk [536]

Answer:

$P(C\ or\ D) = 1$

Step-by-step explanation:

Given

$P(C) = \frac{3}{7}$

$P(D) = \frac{4}{7}$

Required

$P(C\ or\ D)$

Since the events are mutually exclusive, then:

$P(C\ or\ D) = P(C) + P(D)$

So, we have:

$P(C\ or\ D) = \frac{3}{7} + \frac{4}{7}$

Take LCM

$P(C\ or\ D) = \frac{3+4}{7}$

$P(C\ or\ D) = \frac{7}{7}$

$P(C\ or\ D) = 1$

3 0

3 years ago

What is the slope of the line that is perpendicular to the line that goes through the two points (-8, 3) and (4, 27)?

Mademuasel [1]

Answer:

-1/2 or -0.5

negative half

Step-by-step explanation:

slope of regular line= (y1-y2) / (x1-x2)

(27-3) / (4 - -8)

24 / (4+8)

24 / 12 = 2

the slope of a perpendicular line is the negative reciprocal

the negative reciprocal of positive 2/1 (2 as a fraction) is:

negative half: -1/2 or -0.5

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2 years ago

an octupos weights 5/6 kiligrams after two weeks it weights 3/5 kilograms afterwards it lost 1/5 kilograms how much does d=the o

arsen [322]

Answer:

5/6+3/5+1/5=d

Step-by-step explanation:

4 0

2 years ago