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matrenka [14]
2 years ago
8

Kim got a "40" in a class and I make a 70 on a test. How much does the grade goes up?

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
7 0

Answer:

30%

Step-by-step explanation:

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You are bidding on three items available on an online shopping site. You think that for each bid you have a 30% chance of winnin
OLEGan [10]

Answer:

a. 0.027 or 2.7%

b. 0.973 or 97.3%

Step-by-step explanation:

Please kindly check the attached file for explanation

7 0
3 years ago
A store sells blank T-shirts for $9.99 each. Buyers can customize shirts with holographic letters that cost 79 cents each. Alici
seropon [69]

Answer:

$420.69

Step-by-step explanation:

if you do some thinking, you'll easily find out the answer is $420.69

not only is it a funny number, it's also a NICE amount of cash i would really love to have. anyways, hope this helps!

P.S: i have all A's in school ;)

5 0
3 years ago
Help with math plssssss!
Olenka [21]

\dfrac{x\sqrt3}{\sqrt{4x}}=\dfrac{x\sqrt3}{\sqrt4\cdot\sqrt{x}}=\dfrac{x\sqrt3}{2\sqrt{x}}=\dfrac{x\sqrt3\cdot\sqrt{x}}{2\sqrt{x}\cdot\sqrt{x}}=\dfrac{x\sqrt{3x}}{2x}=\dfrac{\sqrt{3x}}{2}\to\boxed{4.}\\\\Used:\\\\\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\\sqrt{a}\cdot\sqrt{a}=a

6 0
3 years ago
Olga flips 2 fair coins. What is the probability of obtaining a different result on each coin?
erica [24]

Answer:

2/4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Y= (x-9) (x+3)
juin [17]

Answer:

y = x² − 6x − 27

Step-by-step explanation:

To distribute, you can use something called FOIL.  It stands for First, Outer, Inner, Last.

First, multiply the First term in each factor.

x · x = x²

Now multiply the Outer terms in each factor.

x · 3 = 3x

Next multiply the Inner terms in each factor.

-9 · x = -9x

Finally, multiply the Last terms in each factor.

-9 · 3 = -27

Add them all up:

x² + 3x − 9x − 27

x² − 6x − 27

4 0
3 years ago
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