3 years ago

What is the solution to the expression-2-3(-4)?

Mathematics

2 answers:

san4es73 [151]3 years ago

7 0

Answer:

Step-by-step explanation:

Simplify 3×(−4) to −12.

−2−(−12)

Remove parentheses.

−2+12

Simplify.

ludmilkaskok [199]3 years ago

6 0

-14 I think is the answer because -2-3(-4) is the same as -2+(-3)x(-4)

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(40s+100t) divid by 10

Olenka [21]

Answer:

=4s+10t

Step-by-step explanation:

4s has no like terms so we divide by 10 and that gives us 4.

100t has no like terms so we divide 100 by 10 that gives us 10. This means that our total answer is (4s+10t). Hope this helped! If it did can I have brainliest thx.

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3 years ago

A town has a population of 200,000 and decreases at 4.5% every year.what will be the population after 30 years?

sveticcg [70]

ANSWER
= 200000 x (1-4.5%)^30
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4 years ago

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denis23 [38]

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3 years ago

A recently admitted class of graduate students at a large state university has a mean GRE verbal score of 650 with a standard de

hjlf

Answer:

The answer is below

Step-by-step explanation:

The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean, it is given by the equation:

$z=\frac{x-\mu}{\sigma} \\\\\mu=mean, \sigma=standard\ deviation,x=raw\ score\\\\for\ a\ sample\ n:\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

Given that μ = 650, σ = 50. To find the probability that 5 students who have a mean of 490, we use:

$z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{490-650}{50/\sqrt{5} } =-7.16$

From the normal distribution table, P(x < 490) = P(Z < -7.16) = 0.0001 = 0.01%

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3 years ago

Which of the following numbers is divisible by 3, 5, and 10? OA) 15 B) 20 OC) 25 OD) 30

Sindrei [870]

Answer:

30 is the correct answer because 3times 10 =30 5 times 6 is 30 and 10 times3 is also 30

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3 years ago