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RoseWind [281]
3 years ago
11

In one grade of 150 students, the ratio of boys to girls

Mathematics
1 answer:
juin [17]3 years ago
7 0

You idiot you answered your own question!

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What is the solution for the equation 5/3b^3-2b-5=2/b3-2
irinina [24]

Answer:

Option C is correct.

Step-by-step explanation:

Given Equation:

\frac{5}{3b^3-2b^2-5}=\frac{2}{b^3-2}

To find: Solution of the Equation.

Consider,

5(b^3-2)=2(3b^3-2b^2-5)

5b^3-10=6b^3-4b^2-10

6b^3-5b^3-4b^2+10-10=0

b^3-4b^2=0

b^2(b-4)=0

b² = 0   ⇒ b = 0

b - 4 = 0 ⇒ b = 4

Therefore, Option C is correct.

7 0
3 years ago
Read 2 more answers
Lindsey earn 70$ for working 5 hours. How much does she earn for working 12 lawns ?
Mice21 [21]
Assuming Lindsey takes 5 hours to mow a lawn, she earns from twelve lawns
12*70=$840.

If the above assumption is not correct, @funnyork2005 needs to clarify the question.

6 0
3 years ago
The following frequency table summarizes yesterday's orders at Sizzlin' Skillets.
Arlecino [84]

Answer:

the probability that the ext order will be shrimp = 27.78%

Step-by-step explanation:

Vegetable 333

Chicken 666

Pork 222

Beef 222

Shrimp 555

total = 1,998

P (shrimp) = 555 / 1,998 =  0.2777 or 27.78%

in case the numbers in the orders were:

Vegetable 3

Chicken 6

Pork 2

Beef 2

Shrimp 5

total = 18

P (shrimp) = 5 / 18 =  0.2777 or 27.78%

The probability of an event happening is just the number of times that event occurred divided by the total number of events that took place.

6 0
3 years ago
Read 2 more answers
Which complex number has a distance of(sqrt)17 from the origin on the complex plane?
tensa zangetsu [6.8K]
You haven't given any options.
there are infinite numbers which are at a distance of √17 from origin.
Example: 4+i, 1+4i, 17i, 3+2√2i, 4-i etc
5 0
3 years ago
Read 2 more answers
Free brainlst! please help
ivolga24 [154]

Answer:

400 ft

Step-by-step explanation:

​h(t)= -16t^2 + 160t

The vertex is found at

h = -b/2a  where b is the coefficient of t and a is the coefficient of t^2

   = -160/(2*-16)

   -160/-32

  5

The time where the maximum occurs is at t=5

To find the maximum substitute into the function

h(5) = -16 (5)^2 +160*5

       = -16*25 +800

       =-400+800

       = 400

The maximum height is 400 ft

3 0
3 years ago
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