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chubhunter [2.5K]

3 years ago

8

There are 12 pieces of fruit in a bowl five are lemons and the rest are limes. You choose a piece of fruit without looking. The

piece of fruit is a lime

1 answer:

Sati [7]3 years ago

5 0

I agree. So like what you already said, there's 5 out of 12 chance that you will get lemon. And 7 out of 12 chances, you will get lime.

Ratio Format:

5:12 chances for lemon

7:12 chances for lime

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Applying properties to write equivalent expressions for 2x+5y+5(2x+5y)

levacccp [35]

Solving expression $2x+5y+5(2x+5y)$ we get $12x+30y$

Step-by-step explanation:

We need to solve the expression:

$2x+5y+5(2x+5y)$

Solving:

Multiplying 5 with terms inside the bracket:

$2x+5y+5(2x+5y)\\=2x+5y+10x+25y\\Combining\,\,like\,\,terms:\\=2x+10x+5y+25y\\=12x+30y$

So, Solving expression $2x+5y+5(2x+5y)$ we get $12x+30y$

Keywords: Solving Expressions

Learn more about Solving Expressions at:

#learnwithBrainly

7 0

3 years ago

A snowflake falls 6 feet in 4 seconds. At this rate, how far does a snowflake fall in 1 minute?

antiseptic1488 [7]

A snowflake falls 90 feet in 1 minute.

60 ÷ 4 = 15

6 x 15 = 90

8 0

3 years ago

B) Find g (-3) for g(x) = 3x + 5

fredd [130]

Step-by-step explanation:

g(x)=3x+5

g(-3)=3(-3)+5

=-9+5

=-4

3 0

3 years ago

DochEvi [55]

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7 0

2 years ago

Prove that root 7 is irrational by the method of contradiction

Alchen [17]

Let assume that $\sqrt7$ is a rational number. Therefore it can be expressed as a fraction $\dfrac{a}{b}$ where $a,b\in\mathbb{Z}$ and $\text{gcd}(a,b)=1$ .

$\sqrt7=\dfrac{a}{b}\\\\7=\dfrac{a^2}{b^2}\\\\a^2=7b^2$

This means that $a^2$ is divisible by 7, and therefore also $a$ is divisible by 7.

So, $a=7k$ where $k\in\mathbb{Z}$

$(7k)^2=7b^2\\\\49k^2=7b^2\\\\7k^2=b^2$

Analogically to $a^2=7b^2$ ------- $b^2$ is divisible by 7 and therefore so is $b$ .

But if both numbers $a$ and $b$ are divisible by 7, then $\text{gcd}(a,b)=7$ which contradicts our earlier assumption that $\text{gcd}(a,b)=1$ .

Therefore $\sqrt7$ is an irrational number.

8 0

3 years ago