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3 years ago

Which inequality hs the graph shown below. (will mark you brainliest)

Mathematics

1 answer:

zvonat [6]3 years ago

6 0

Answer:

y < 2x-3

Step-by-step explanation:

First you graph the -3, and the slope is 2 so you go up 2 and over 1. Since y is less than 2x-3, you shade the right region.

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A piece of wire is 7/8m long broke into two piece one piece is 1/4 m long how long is the other one ?

hjlf

Answer: 5/8m

Step-by-step explanation:

From the question, we are informed that a piece of wire is 7/8m long and broken into two piece. We are further told that one piece is 1/4 m long.

The length of the other piece of wire would be calculated as:

= 7/8 - 1/4

= 7/8 - 2/8

= 5/8m

7 0

3 years ago

25% of all who enters a race do not complete. 30 haveentered.

nikklg [1K]

Answer:

The probability that exactly 5 are unable to complete the race is 0.1047

Step-by-step explanation:

We are given that 25% of all who enters a race do not complete.

30 have entered.

what is the probability that exactly 5 are unable to complete the race?

So, We will use binomial

Formula : $P(X=r) =^nC_r p^r q^{n-r}$

p is the probability of success i.e. 25% = 0.25

q is the probability of failure = 1- p = 1-0.25 = 0.75

We are supposed to find the probability that exactly 5 are unable to complete the race

n = 30

r = 5

$P(X=5) =^{30}C_5 (0.25)^5 (0.75)^{30-5}$

$P(X=5) =\frac{30!}{5!(30-5)!} \times(0.25)^5 (0.75)^{30-5}$

$P(X=5) =0.1047$

Hence the probability that exactly 5 are unable to complete the race is 0.1047

6 0

3 years ago

If 55 yards of dirt costs $825.00 what is the constant of proportionality?

IgorC [24]

Answer:$15 per yard

Step-by-step explanation: $825 divided by 55 = $15

6 0

3 years ago

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If x=6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equa

Lena [83]

Since x is the x-intercepts, that means x'=x" =6 or in other word the discriminante ( Δ = b² 4ac) =0. Answer is A

3 0

3 years ago

What is the decimal of 1/2

vodomira [7]

Answer:

Step-by-step explanation:

1 half of any thing is 50 percent and 50 percent is written as a decimal when you move the decimal point twice to the left giving you .5

6 0

3 years ago

Read 2 more answers