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3 years ago

I need help you don't have to explain the answer I just need it, thank you!

Mathematics

1 answer:

Yuki888 [10]3 years ago

7 0

Answer:

j = 38

Step-by-step explanation:

j/-2 + 7 = -12

first subtract 7 from both sides

j/-2 = -19

then multiply both sides by -2

j = 38

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Find the derivative of f(x)=2arcsin(x-1)

andreev551 [17]

Since $\dfrac{\mathrm d}{\mathrm dx}\arcsin x=\dfrac1{\sqrt{1-x^2}$ , you have

$\displaystyle\frac{\mathrm d}{\mathrm dx}2\arcsin(x-1)=2\frac{\mathrm d}{\mathrm dx}\arcsin(x-1)=2\frac{\dfrac{\mathrm d}{\mathrm dx}(x-1)}{\sqrt{1-(x-1)^2}=\frac2{\sqrt{2x-x^2}}$

6 0

4 years ago

Oh freight elevator can hold a maximum weight of 3500 pounds and delivery man weighs 200 pounds is delivering curtains that each

mario62 [17]

Answer:

$200+48n\leq 3500$

$n\leq 66.7$

Step-by-step explanation:

The freight elevator can hold a maximum weight of 3500 pounds
The delivery man weighs 200 pounds
Each carton weighs 48 pounds

Let the number of cartons he can safely put on the elevator at one time=n

Total weight of Carton=48n

Since the weight of the man and the cartons combined must not be more than 3500 pounds,

Therefore,an inequality that represents the situation is:

$200+48n\leq 3500$

We can solve for n if required

$200-200+48n\leq 3500-200\\48n\leq 3200\\\text{Divide both sides by 48}\\n\leq66.7$

The delivery man can safely carry 66 Cartons.

4 0

3 years ago

ABC and XYZ are similar. Find the missing side length.

valina [46]

Answer:

Step-by-step explanation:

The easiest way to solve this is by cross multiplying. We can make an equation to find the answer of this by simply taking a side from each triangle and then the variable and equal side on the other triangle, shown below.

$let \: \: ? = x$

$\frac{7}{49} = \frac{8}{x}$

Now we solve with cross multiplication

$7 x = 392 \\ x = 56$

Now we know the mystery number is 56

7 0

3 years ago

Some one please help me on 8. Thank you.

balandron [24]

Let's say you had 12 campers with you so
Your tent 1
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1 tent for each group of 3
So take C divid it by 3 plus you're 1 tent
C = number of campers

Hope this helps

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3 years ago

a suit cost $95 Barry has a discount coupon for 10% off and the city has a 4.5 percent sales tax what is the final cost of the s

SIZIF [17.4K]

SO the suit cost $95 and it has a discount of 10%
so 95*10/100=9.5
so 10% of 95 is 9.5
subtract 9.5 from 95 and that equals 85.5
then you have to add 4.5 percent sales tax
so 85.5+ 4.5%= 89.347
So the final cost would be $89.34

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4 years ago