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yarga [219]
3 years ago
7

(y-3)(y+10) find the product please​

Mathematics
2 answers:
allochka39001 [22]3 years ago
4 0

Answer:

y^2 +7y-30

Step-by-step explanation:

Step 1:  Use FOIL

y·y = y^2

y· 10= 10y

-3·y= -3y

-3·10= -30

Step 2: <em>combine like terms</em>

y^2+ 10y-3y-30

7^2+ 7y-30

and thats all :)

hope this helped

Masja [62]3 years ago
3 0

(y-3)(y+10)

mutiply the two brackets together

(y)(y)= y^2

(y)(10)= 10y

(-3)(y)= -3y

(-3)(10)= -30

y^2+10y-3y-30

Answer: y^2+7y-30

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Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even
tresset_1 [31]
P(x) = R(x) - C(x) Breaking even is the point where revenue starts to overtake cost.  It is, therefore, the point where P(x) = 0.  Since these are all linear functions, you know that after that point the business is profitable.  P(x) = 0R(x) - C(x) = 015000x - (9000x+72000) = 015000x - 9000x - 72000 = 06000x - 72000 = 06000x = 72000x = 72000/6000x = 12 At 12 units the business breaks even.
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4 years ago
Choose yes or no to tell is the fraction 1/2 will make each equation true. 1/2 + 5/5 = 3/2​
Triss [41]

Answer:

yes ?-?

Step-by-step explanation:

3 0
3 years ago
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On a map of a town, 3 cm represents 150 m. Two points in the town are 1 km apart. How far apart are the two points on the map?
dmitriy555 [2]

Answer:

5000 km

Step-by-step explanation:

We are given that

3 cm represents on a map of  a town=150 m

Distance between two points=1 km

We have to find the distance between two points on the map.

3 cm represents on a map of  a town=150 m

1 cm represents on a map of  a town=150/3 m

1 km=1000 m

1 m=100 cm

1km=1000\times 100=100000 cm

100000 cm  represents on a map of  a town

=\frac{150}{3}\times 100000 m

100000 cm  represents on a map of  a town=5000000 m

100000 cm  represents on a map of  a town

=\frac{5000000}{1000} km

100000 cm  represents on a map of  a town=5000 km

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6 0
3 years ago
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Ainat [17]

Answer: Bridge is 21 years old

Step-by-step explanation:

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5 0
3 years ago
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Step-by-step explanation:

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