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Cerrena [4.2K]
2 years ago
13

How to use the binomial therom for (2x + 5)^5

Mathematics
1 answer:
Nady [450]2 years ago
8 0

Answer:

32

x

5

−

400

x

4

+

2000

x

3

−

5000

x

2

+

6250

x

−

3125

Step-by-step explanation:

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In the accompanying diagram, PA is tangent to the circle at A and PC is a secant. If
Ganezh [65]

Answer:

c. 12

Step-by-step explanation:

PA² = (BC + PB) × PB => tangent-secant theorem

PA = 8

PB = 4

BC = ?

Substitute

8² = (BC + 4) × 4

64 = 4BC + 16

64 - 16 = 4BC + 16 - 16

48 = 4BC

48/4 = 4BC/4

12 = BC

BC = 12

3 0
2 years ago
Sweetums finds that the cost of making a certain candy bar .15 per bar and that the fixed rate is 600 per week if each bar sells
PilotLPTM [1.2K]

We know that:

Profit = Revenue - Cost

Let us say x number of candies are made per week.

Finding Cost per week:

Cost of making 1 bar = 0.15

Cost of making x bars = 0.15x

Fixed rate of making candies per week = 600

Total cost of making x candies per week = 600 + 0.15x

Now let us find Revenue:

Selling price of each bar = 1.50

Selling price of x bars = 1.50x

Now we have to find profit,

Profit = Revenue - Cost

In order to have profit Revenue - Cost >0

So plugging values of revenue and cost to get number of candies,

1.50x-(0.15x+600)>0

1.50x-0.15x-600>0

1.35x-600>0

1.35x>600

x>444.44

Rounding off

x>444

Answer: The company must sell greater than 444 candies in order to make profit.

7 0
2 years ago
What integer on a number line is the same distance from 0 as +4?
mash [69]
-4, because it is four units away from zero.
6 0
3 years ago
Read 2 more answers
Which expression is equivalent to<br> (r-7)6?
lapo4ka [179]

Answer:

Step-by-step explanation:

The expression equivalent to

( r^{-7})^{6}     \\is\\\frac{1}{r^{42} }

Hope it helps :)

3 0
3 years ago
Janine has a ribbon that is ⅚ foot long. She wants a piece ⅔ this size. How big will it be?
Arada [10]

Answer:

1.25 ft long

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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