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3 years ago

13

a jar contains 16 marbles of which 1 is blue 5 red are red and the rest are green what is the ratio of green marbles to all marb

les

1 answer:

zloy xaker [14]3 years ago

8 0

Answer: 10:16

Step-by-step explanation:

16-5-1=10

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Help and explain explain !!!!!!!!!!

tigry1 [53]

Answer:

$x=-1\text{ or }x=11$

Step-by-step explanation:

For $a=|b|$ , we have two cases:

$\begin{cases}a=b,\\a=-b\end{cases}$

Therefore, for $18=|15-3x|$ , we have the following cases:

$\begin{cases}18=15-3x,\\18=-(15-3x)\end{cases}$

Solving, we have:

$\begin{cases}18=15-3x, -3x=3, x=\boxed{-1},\\18=-(15-3x), 18=-15+3x, 33=3x, x=\boxed{11}\end{cases}$ .

Therefore,

$\implies \boxed{x=-1\text{ or }x=11}$

3 0

3 years ago

Pythagoras anyone???

exis [7]

8^2 + 5^2 = 64+25 = 89 = square root 89
I don't have a calculator on me lol.

that specific side opposite the right angle is always the longest angle
a^2+b^2=c^2

7 0

3 years ago

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In the same year, the average finishing time for u.s. women was four hours and 41 minutes. What was their average speed in miles

EleoNora [17]

I need to know the distance.

speed= distance/ time

If you want to figure thier speed you need to divide the distance ( miles) by their time ( hours)

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3 years ago

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Samantha rolls 2 dice at the same time. What is the probability that the

kykrilka [37]

Answer:

d

Step-by-step explanation:

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2 years ago

Gabrielle's age is three times Mikhail's age. The sum of their ages is 56, what is Mikhail’s age?

4vir4ik [10]

Gabrielle's age is 3x (in which x is mikhail's age)
the sum is 56 so 3x+x=56

3x+x=56
4x=56
x=14

since x was mikhail's age, mikhail is 14 years old

6 0

3 years ago