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vfiekz [6]
3 years ago
11

Solve for t. −18=6t What is the answer? −3 −1/3 12 24

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:

t=-3

Step-by-step explanation:

6t=−18

t=-18/6

t=-3

aksik [14]3 years ago
6 0

All you have to think of is what multiple turns 6 into -18 when you multiply

and your answer turns out to be -3

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the science department buys the equipment shown in the table they bought all three items this year and how many years do they ha
mel-nik [20]
Given that t<span>he science department buys the equipment shown in the table below.

Item                      Time Bought
Microscopes          every 5 years
Safety goggles      every 4 years
Test tubes             every 2 years

Given that they bought all three items this year. The number of years it will take for them to buy all three items again in the same year is given by the LCM of 5, 4, and 2.

5 = 1 x 5
4 = 1 x 2 x 2
2 = 1 x 2

LCM = 1 x 2 x 2 x 5 = 20.

Therefore, they will buy all three items again in 20 years.
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6 0
4 years ago
What is the gcf of 44n and 55n<br> PLEASE HELP
andrew11 [14]

Answer:

11

Step-by-step explanation:

44 divided by 4=11

55 divided by 5=11

I am an expert

5 0
3 years ago
Read 2 more answers
Maria sets a goal of jogging 17.4 miles this week.She plans on running 2.75 miles each day for 7 dadys.If she follows her plan,w
Molodets [167]

Step-by-step explanation:

Given

Maria goal's is to Jog 17.4 miles

She runs 2.75 miles each day for 7 days

Total distance covered by her in 7 days

\Rightarrow 2.75\times 7=19.25\ \text{miles}

So, she covers more than what she had planned.

Therefore, she is successful in her plan.

5 0
3 years ago
In a clinical trial of a cholesterol​ drug, 321 subjects were given a​ placebo, and 7​% of them developed headaches. For such ra
artcher [175]

Answer: The value of n is 321.

Step-by-step explanation:

Since we have given that

Sample size = 321

Percentage of them developed headaches = 7%

So, the value of p would be

\dfrac{x}{n}=\dfrac{7}{100}=0.07

Now, the value of q would be

q=1-p\\\\q=1-0.07\\\\q=0.93

And the mean for the number of subjects who develop headaches would be

n=pq\\\\n=0.07\times 0.93\\\\n=0.0651

and the standard deviation would be

\sigma=\sqrt{npq}\\\\\sigma=\sqrt{321\times 0.07\times 0.93}\\\\\sigma=4.571

Hence, the value of n is 321.

7 0
3 years ago
I don’t understand please help?
Lerok [7]

Answer:

D

Step-by-step explanation:

Cuz sqr root of 20 = 2 sqrt 5, -2 sqrt 5

7 0
3 years ago
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