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9966 [12]
3 years ago
14

Multiply out 5x (x + 3y)

Mathematics
2 answers:
GrogVix [38]3 years ago
7 0

Answer:

5x²+15xy

Step-by-step explanation:

5x(x+3y)=

5x²+15xy

If you need more steps or more explanation, reply to this answer.

il63 [147K]3 years ago
3 0

Answer:

Step-by-step explanation:

5x(x+3y)

5x^2+15xy

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HEEEELLLLLPPPPPP PPPPPLLLLLLZZZZZZ
kompoz [17]

Answer:

(6,4)

Step-by-step explanation:

y = x-2

y =4

Set the two equations equal

x-2 =4

Add 2 to each side

x-2+2 = 4+2

x =6

Now we need to find y

y =4

(6,4)

6 0
3 years ago
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A husband and wife celebrate their birthdays on the same day of the month, but in different months. every year, their birthdays
pychu [463]
Husband is in march
wife is after march
we have
b-days are same day
ex march 3 and june 3
also, they fall on the same day of the week
so continuing ex. march 3 wed and june 3 wed

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basically, the easy way to find it is to look at the months and see which months that are after march start on the same day
ex. this year march 1 is on a tuesday
so find other months that start on tuesday
answer is September and December

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3 0
3 years ago
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The total cost to go horseback riding is x dollars per hour plus a $3 fee for renting a helmet. Write an expression to represent
solniwko [45]

The answer is 15x + 15

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Let us convert this into a pseudo-expression:

1 person = (x dollars) x (y hours) + 3 dollars

Now, it says that there are 5 people, so we need to multiply both sides by 5

5 people = 5 x (x dollars) x (yhours) + 3 x 5 dollars

Furthermore, it says that each person wants to go horseback riding for 3 hours:

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Now, we just need to convert this into an expression

5 people = 5(x)(3) + 15

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They want the expression for cost, so we just need to give them

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5 0
2 years ago
A scientist hopes to launch a weather balloon on one of the next three mornings. For each​ morning, there is a 40​% chance of su
MakcuM [25]

Answer:

118/125

Step-by-step explanation:

We can find first the probability that there isn’t suitable weather:

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now we have just to do this operation

125/125 - 27/125 = 118/125

8 0
3 years ago
In the square pyramid shown below, the diagonal length FC = 16√2 centimeters and the height of the pyramid is 7 centimeters. Fin
MatroZZZ [7]

Answer:

Step-by-step explanation:

The base is 16 cm by 16 cm.

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