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3 years ago

I need help with my final, it's my last grade

Mathematics

2 answers:

Kaylis [27]3 years ago

5 0

Answer:

Step-by-step explanation:

bazaltina [42]3 years ago

5 0

Answer:

Step-by-step explanation:

y2-y1 / x2-x1

-2 - (-2) = -2 +2 = 0

if 0 is ontop of the numerator, then the answer is zero

Give me brainliest please

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An urn contains 5 red balls and 2 green balls. Two balls are drawn one after the other. What is the probability that the second

AleksAgata [21]

Answer:

<em>The probability that the second ball is red is 71%</em>

Step-by-step explanation:

<u>Probabilities</u>

We know there are 5 red balls and 2 green balls. Let's analyze what can happen when two balls are drawn in sequence (no reposition).

The first ball can be red (R) or green (G). The probability that it's red is computed by

$\displaystyle P(R)=\frac{5}{7}$

The probability is's green is computed by

$\displaystyle P(G)=\frac{2}{7}$

If we have drawn a red ball, there are only 4 of them out of 6 in the urn, so the probability to draw a second red ball is

$\displaystyle P(RR)=\frac{5}{7}\cdot \frac{4}{6}=\frac{10}{21}$

If we have drawn a green ball, there are still 5 red balls out of 6 in the urn, so the probability to draw a red ball now is

$\displaystyle P(GR)=\frac{2}{7}\cdot \frac{5}{6}=\frac{5}{21}$

The total probability of the second ball being red is

$\displaystyle P(XR)=\frac{10}{21}+\frac{5}{21}=\frac{5}{7}=0.71$

The probability that the second ball is red is 71%

7 0

3 years ago

(2m - 5m^3 ) - (5m + 3m^3- 7m^4 ) + (8 - 3m^3- 5m^4+ 4m)

Tresset [83]

Answer:

2m^4 - 11m³ + m + 8

Step-by-step explanation:

(2m - 5m³) - (5m + 3m³ - 7m^4) + (8 - 3m³ - 5m^4 + 4m)

2m - 5m³ - 5m - 3m³ + 7m^4 + 8 - 3m³ - 5m^4 + 4m

7m^4 - 5m^4 - 5m³ - 3m³ - 3m³ + 2m - 5m + 4m + 8

2m^4 - 11m³ + m + 8

6 0

3 years ago

Read 2 more answers

Use the symbol > to compare -3.5 and -1.5

dybincka [34]

-1.5 is the answer because it is 75

3 0

4 years ago

A bond quoted at 93 (1/8) is equal to ___ per 1,000.00 of the face amount.

Ksju [112]

The number a bond is the percentage of the value of the bond that the bond is worth. Because the bond is quoted at 93, the bond is worth $930 per $1,000.

5 0

3 years ago

Read 2 more answers

This is a bit confusing for me, can anyone help me out?

AnnZ [28]

Answer:

circumference=471

area=17671

Step-by-step explanation:

circumference=150pi=150*3.14=471

area=150/2=75 and 75^2pi=5625pi=17671

4 0

3 years ago