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2 years ago

10

Which answers describe the shape below? Check all that apply.

1 answer:

My name is Ann [436]2 years ago

8 0

Answer:

E and C

Step-by-step explanation:

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Find the slope and y-intercept<br><br> b. y = 1/4x - 6

muminat

Answer:

Slope: 1/4

y-intercept: -6

Step-by-step explanation:

4 0

2 years ago

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A driving exam consists of 29 multiple-choice questions. Each of the 29 answers is either right or wrong. Suppose the probabili

Sholpan [36]

Answer and explanation:

Given : A driving exam consists of 29 multiple-choice questions. Each of the 29 answers is either right or wrong. Suppose the probability that a student makes fewer than 6 mistakes on the exam is 0.26 and that the probability that a student makes from 6 to 20 (inclusive) mistakes is 0.53.

Let X be the number of mistake

$P(X$

$P(6\leq X\leq 20)=0.53$

To find : The probability of each of the following outcomes.

a) A student makes more than 20 mistakes

i.e. $P(X>20)$

$P(X>20)=1-P(X\leq 20)$

$P(X>20)=1-(P(X\leq 5)+P(6\leq X\leq 20))$

$P(X>20)=1-(0.26+0.53)$

$P(X>20)=1-(0.79)$

$P(X>20)=0.21$

b. A student makes 6 or more mistakes

i.e. $P(X\geq 6)=1-P(X$

$P(X\geq 6)=1-0.26$

$P(X\geq 6)=0.74$

c. A student makes at most 20 mistakes

i.e. $P(X\leq 20)=1-P(X>20)$

Using 'a' part $P(X>20)=0.21$

$P(X\leq 20)=1-0.21$

$P(X\leq 20)=0.79$

d. Which two of these three events are complementary?

The complement of an event happening is the exact opposite: the probability of it not happening.

According to definition,

Option a and c are complementary events.

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2 years ago

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The sevth term of a geometric sequence is 108 the eight term is 36 find the common ratio

ValentinkaMS [17]

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

$\sf t_8=108 \\ \sf t_7=36$

Common difference=d

${:}\longrightarrow$ $\sf d=t_8-t_7$

${:}\longrightarrow$ $\sf d=108-36$

${:}\longrightarrow$ $\sf d=72$

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2 years ago

Solve the following equation<br><br> 4=-3y-2

Mamont248 [21]

Answer:

y = -2

Step-by-step explanation:

Move all the unknown no. to one side:

4 + 2 = -3y

-3y = 6

Solve the equation:

y = -2

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3 years ago

Write the expression in factored form. 81m^4 -25

Makovka662 [10]

(9m^(2)+5)(9m^(2)-5)
that will be your answer

4 0

3 years ago