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3 years ago

mr. khans is buying a stapler for his office. each stapler costs $16.99. what does his final cost depend upon?

Mathematics

1 answer:

Bas_tet [7]3 years ago

5 0

It depends upon how many Staplers he buys

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Add. Write fractions in simplest form.<br> 11/12+(-7/12)

babunello [35]

Answer:

I think the answer is -1 1/2

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2 years ago

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What is the product of (2p+7)(3p+4p-3)

Alex

Answer:

The answer is C=6p3 + 29p2 + 22p – 21

Step-by-step explanation:

To calculate the product, we need to multiply each member of each multiplier:

(2p + 7)(3p2 + 4p – 3) = 2p · 3p² + 2p · 4p + 2p · -3 + 7 ·3p² + 7 · 4p + 7 · -3

= 6p³ + 8p² - 6p + 21p² + 28p - 21

= 6p³ + 8p² + 21p² + 28p - 6p -21

= 6p³ + 29p² + 22p - 21

Therefore, the product of (2p + 7)(3p2 + 4p – 3) is 6p³ + 29p² + 22p -21

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2 years ago

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In a study, 36% of adults questioned reported that their health was excellent. A researcher wishes to study the health of peop

steposvetlana [31]

Answer:

0.3907

Step-by-step explanation:

We are given that 36% of adults questioned reported that their health was excellent.

Probability of good health = 0.36

Among 11 adults randomly selected from this area, only 3 reported that their health was excellent.

Now we are supposed to find the probability that when 11 adults are randomly selected, 3 or fewer are in excellent health.

i.e. $P(x\leq 3)=P(x=1)+{P(x=2)+P(x=3)$

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

p is the probability of success i.e. p = 0.36

q = probability of failure = 1- 0.36 = 0.64

n = 11

So, $P(x\leq 3)=P(x=1)+{P(x=2)+P(x=3)$

$P(x\leq 3)=^{11}C_1 (0.36)^1 (0.64)^{11-1}+^{11}C_2 (0.36)^2 (0.64)^{11-2}+^{11}C_3 (0.36)^3 (0.64)^{11-3}$

$P(x\leq 3)=\frac{11!}{1!(11-1)!} (0.36)^1 (0.64)^{11-1}+\frac{11!}{2!(11-2)!} (0.36)^2 (0.64)^{11-2}+\frac{11!}{3!(11-3)!} (0.36)^3 (0.64)^{11-3}$

$P(x\leq 3)=0.390748$

Hence the probability that when 11 adults are randomly selected, 3 or fewer are in excellent health is 0.3907

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3 years ago

Write the equation of the line parallel to y=3x-2 that passes through (3, 2) in point-slope form

AleksandrR [38]

Substitute the x and y values from (3,2).

Formula: y=mx+b

2= 3(3)+b
2-9= -7

y=3x-7

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3 years ago

Help ASAP give brainliest.explain too

Vladimir [108]

$\$228.75\ per\ week\\\\one-fifth\to\dfrac{1}{5}\ of\ her\ earnings\ each\ week\ is\ equal\\\\\dfrac{1}{5}\cdot\$228.75=\$45.75\\\\\text{How much money will she have saved after 2 months?}\\\\Two\ months\ it's\ 59-62\ days.\ It's\ less\ than\ 9\ weeks.\\Calculate\ for\ 8\ weeks.\\\\Answer:\ \$45.75\cdot8=\$366.00$

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3 years ago

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