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Reptile [31]
3 years ago
8

Can somebody help me

Mathematics
1 answer:
saveliy_v [14]3 years ago
6 0

Answer:

Y=5

You must first divide b (-10) by two and square it to know what you need to make a perfect square (25). You must then add or subtract the amount to make C (-13) into that number (add 38). Don't forget to do it on the other side too! (3 becomes 41) You then factor the left side. ((Y-5)^2=41) The result is your answer. (Y=5)

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For a party, the family bought 24 pizzas for $12.50 each and 36 bottles of soda for $1.20 each. How much did the family spend on
xxTIMURxx [149]

Answer:

1) The amount the family spent on pizza is $300

2) The amount the family spent on soda is $43.2

3) The amount the family spent in all is $343.2

Step-by-step explanation:

The number of pizzas bought by the family = 24

The price of each pizza = $12.50

The number of bottles of soda the family bought = 36

The price of each bottles of soda = $1.20

1) The amount the family spent on pizza = 24 × $12.50 = $300

2) The amount the family spent on soda = 36 × $1.20 = $43.2

3) The amount the family spent in all = The amount the family spent on pizza + The amount the family spent on soda

∴ The amount the family spent on soda = $300 +$43.2 = $343.2.

7 0
2 years ago
Write a vector equation of the line that passes through P(4, 7) and is parallel to a = (3, 8).
Anvisha [2.4K]

Answer:

B

Step-by-step explanation:

(x,y) = P + (a)t

(x,y) = (4,7) + t(3,8)

(x,y) - (4,7) = t(3,8)

(x-4, y-7) = t(3,8)

4 0
3 years ago
Explain the difference between exponential growth and exponential decay
alexdok [17]
Exponential growth is the function
y =  a^{x} , a\ \textgreater \ 1
Exponential decay is the function
y = a^{x} , 0\ \textless \ a\ \textless \ 1
So, the basic difference is that in growth the base is more than 1, and in decay the base is more than 0 but less than 1.
8 0
3 years ago
Point Q is plotted on the coordinate grid. Point P is at (20, −30). Point R is vertically above point Q. It is at the same dista
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Answer:

Point R is at (−40, −10), a distance of 20 units from point Q

Step-by-step explanation:

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3 years ago
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Mariulka [41]
Using Pythagoras Theorem,
(b is the length of the ladder from the ground)
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121-36=(b^2)
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b is approximately 9.2
5 0
3 years ago
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