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3 years ago

13

you have $2.50. Each sugar free gumball in a gumball machine cost $0.25. Write and solve an inequality that represents the numbe

r of gumballs you can buy.

1 answer:

Crank3 years ago

8 0

2.50/0.25, so this will equal 10.

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Calculate a rooms edge

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3 years ago

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Ten years ago in Louisiana, schools averaged 182 pupils for every 10 teachers. Write a ratio for this problem in 3 different way

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182:10

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2 years ago

4st^2-s^2 were s=5 and t=7

barxatty [35]

➣ Assignment: $\bold{Solve \ Equation: \ \left(4\left(5\cdot \:7^2\right)\right)-5^2}$

↔↔↔↔↔↔↔↔

➣ Answer: $\boxed{\bold{955}}$

↔↔↔↔↔↔↔↔

Explanation: ↓↓↓↓↓

↔↔↔↔↔↔↔↔

➤ [ Step One ] Follow PEMDAS Order Of Operations

$\bold{4\left(5\cdot \:7^2\right): \ 980}$

➤ [ Step Two ] Rewrite Equation

$\bold{4\left(5\cdot \:7^2\right)}$

➤ [ Step Three ] Calculate Within Parenthesis

$\bold{4\left(5\cdot \:7^2\right): \ 245}$

➤ [ Step Four ] Rewrite Equation

$\bold{4\cdot \:245}$

➤ [ Step Five ] Multiply

$\bold{4\cdot \:245: \ 980}$

➤ [ Step Six ] Rewrite Equation

$\bold{980-5^2}$

➤ [ Step Seven ] Calculate Exponents

$\bold{5^2: \ 25}$

➤ [ Step Eight ] Rewrite Equation

$\bold{980-25}$

➤ [ Step Nine ] Solve

$\bold{955}$

↔↔↔↔↔↔↔↔

$\bold{\rightarrow Mordancy \leftarrow}$

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3 years ago

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zhuklara [117]

I hope this is the correct answer.

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3 years ago

What is x2 + 2x + 9 = 0

vova2212 [387]

Answer:

x has no real solution

Step-by-step explanation:

Our equation is qudratic equation so the method we will follow to solve it is using the dicriminant :

Let Δ be the dicriminant
a=1
b=2
c=9
Δ= 2²-4*1*9 =4-36=-32
we notice that Δ≤0⇒x has no real solution

4 0

3 years ago