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Sauron [17]
3 years ago
8

Which expression is equivalent to ?

Mathematics
1 answer:
artcher [175]3 years ago
3 0

Answer:

A

Step-by-step explanation:

My brain is big now trust me ;)

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4x+7=15x-1-3x<br> Solve for x plss
ANEK [815]

Answer: x=1

Step-by-step explanation:

4x-12x=-1-7

-8x=-8

6 0
4 years ago
Find the expected value of the winnings from a game that has the following payout probability distribution. Round to the nearest
Luda [366]
Expected value is $20.20
Step-by-step explanation:
Here, we want to calculate the expected value
What we have to do here is to multiply the probability by the payout value; after which we add all values
Thus, we have the payout value as;
1(0.12) + 4(0.2) +6(0.38) + 8(0.2) + 10(0.1)
= 0.12 + 0.8 + 2.28 + 1.6 + 1
3 0
3 years ago
Read 2 more answers
2 + 2 = 4 - 1 =3 quick maths..... NOT A QUESTION BUT WHOEVER ANSWERS FIRST GETS BRAINLIEST
MArishka [77]

Answer:

That is correct

Step-by-step explanation:

7 0
3 years ago
Juanita has saved 35% of the money for a bike. She has saved $63 dollars. How much does the bike cost?
lara [203]

Answer:

The total cost of the bike is $180.

Step-by-step explanation:

Given that Juanita has saved 35% of the money for a bike.

Let the total cost of the bike = x

As she has saved $63 dollars which represents the 35% of the money for a bike.

In other words, 35% of the total cost is $63 dollars.

As the total cost = x

Thus,

35% of x = 63

\frac{35}{100}x=63

Multiply both sides by 20

20\times \frac{35}{100}x=63\times \:20

simplify

7x=1260

Divide both sides by 7

\frac{7x}{7}=\frac{1260}{7}

Simplify

x=180 $

Thus, the total cost of the bike is $180.

8 0
3 years ago
Which of the following equations correctly represnt the law of cosines?
Nina [5.8K]

law of cosines

c^2 = a^2+b^2-2abcosC

b^2 = a^2+c^2-2accosB

a^2 = b^2+c^2-2bccosA  


Choice C


3 0
4 years ago
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