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2 years ago

Answer ASAP I’m in a hurry

Mathematics

1 answer:

Shkiper50 [21]2 years ago

6 0

So based on the stuff you have given, I have found the correct answers

1.C Explanation: It said the building was 35 tall, which means Positive 35

2.D Explanation: It had said that the scuba diver was BELOW sea level, which will make the answer negative.

3.E Explanation: It had once again said BELOW, which will make our answer negative

4.A Explanation: He is owing her 23 dollars, which makes our answer negative.

5.B Explanation: She had jumped ABOVE the ground, which will make our answer positive.

I hope this helped you and have a great day.

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Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2

vova2212 [387]

The square of a binomial expands as follows:

$(a+b)^2=a^2+2ab+b^2$

Expanding all the binomials, we have

$4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64$

Sum like terms:

$5k^2-32k+85=5k^2-12k+65$

Simplify terms appearing on both sides:

$-32k+85=-12k+65$

Move all terms involving k to the left and all numbers to the right:

$-20k=-20$

Divide both sides by -20:

$k=1$

6 0

3 years ago

Please help me guys please

hram777 [196]

c. the number of persons allegric to penicillin

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2 years ago

A national study, that revealed a normal distribution, revealed that the average time a student spends studying statistics on a

Neporo4naja [7]

Answer:

Null hypothesis = H0 : μ = 60

Alternative hypothesis = H1 : μ < 60

Step-by-step explanation:

From the question given :

μ = 60 minutes

xbar = 44.27 minutes

s = 20.4 minutes

The alternative hypothesis is the claim ; which is to hypothesize that the average studying time is 44.27 (which is less than the population average studying time)

The null hypothesis is the initial truth and it is the opposite of the alternative hypothesis.

The hypothesis are :

H0 : μ = 60

H1 : μ < 60

5 0

2 years ago

20 POINTS 20 POINTS. Will give Brainliest.

Simora [160]

Answer:

using y=mx+c

C=7

y=8

x= -4

we're looking for m

8=-4m +7

1= -4m

m= -1/4

8 0

3 years ago

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3/4 - 1/3 find the difference

yaroslaw [1]

Answer:

5/12 = 3/4-1/3

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3 years ago

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