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3 years ago

Express 3 as a fraction. A) 1/1 B) 1/3 C) 3/1 D) 3/3

Mathematics

2 answers:

Elden [556K]3 years ago

7 0

I believe it’s 3/3 but I’m not quite sure

Alchen [17]3 years ago

6 0

Answer:

C) is the correct answer

Step-by-step explanation:

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Kim has a $10 bill, a $20 bill, and 2 $5 gift certificates. she uses the gift certificates toward the purchase of a cd for $14.0

uysha [10]

When Has $26 Left !!

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3 years ago

Find the unit rate with the second given unit in the denominator.

Nookie1986 [14]

The answer should be 6/1 or 6.
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3 years ago

The scale on a map is 1cm: 7km. If two cities are 15cm apart on the map, what is the actual distance between the cities?

Vitek1552 [10]

Answer:

105km

Step-by-step explanation:

1/7=15/x

So x=7*15

x=105

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2 years ago

Using complete square to slove for x in the equation (x+7) (x-9)=25

Brrunno [24]

Answer:

$x_1=1+\sqrt{89}\\\\x_2=1-\sqrt{89}$

Step-by-step explanation:

Apply Distributive property:

$(x+7)(x-9)=25\\\\x^2-9x+7x-63=25$

Add like terms and then add 63 to both sides of the equation:

$x^2-2x-63=25\\\\x^2-2x-63+63=25+63\\\\x^2-2x=88$

Pick the coefficient of the x term, divide it by 2 and square it:

$(\frac{2}{2})^2=1$

Add it to both sides of the equation:

$x^2-2x+1=88+1$

Rewriting the left side as a squared binomial, we get:

$(x-1)^2=89$

Apply square root to both sides:

$\sqrt{(x-1)^2}=\±\sqrt{89}\\\\x-1=\±\sqrt{89}$

And finally we need to add 1 to both sides of the equation. Then we get:

$x-1+1=\±\sqrt{89}+1\\\\x=\±\sqrt{89}+1\\\\\\x_1=1+\sqrt{89}\\\\x_2=1-\sqrt{89}$

8 0

3 years ago

Jim is considering pursuing an MS in Information Systems

xeze [42]

Answer:

9% probability that Jim will be accepted at both universities

Step-by-step explanation:

We have these following probabilities:

A 20% probability that Jim is accepted into the University X.

A 45% probability that Jim is accepted into the University Y.

What is the probability that Jim will be accepted at both universities?

It is the multiplication of both these probabilities

So there is a 0*2*0.45 = 0.09 = 9% probability that Jim will be accepted at both universities

6 0

3 years ago