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3 years ago

Mr. Chang has a bunch of balloons. 3/10 of the balloons are red.

Mathematics

2 answers:

tangare [24]3 years ago

7 0

Answer:

The answer is 5/10

Step-by-step explanation:

3/10 +2/10 is 5/10

what's left of 10?

5 are neither red nor blue.

Hopefully this helps u!

let me know if you need more help

Olenka [21]3 years ago

4 0

3 + 2 = 5 (The numerators added together) and then minus that number from the bottom number, which is the denomination)

10 (which is the bottom number/denominator) minus 5 is the remaining amount

The answer is 5/10
Working out is 3/10 + 2/10 = 5/10. 10/10 - 5/10 = 5/10

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What two number multiply to negative 20 and add to 19

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$x;\ y-the\ numbers\\\\ \left\{\begin{array}{ccc}xy=-20\\x+y=19&\Rightarrow&x=19-y\end{array}\right\\\\subtitute\ to\ first\ equation:\\\\(19-y)y=-20\\19y-y^2+20=0\\-y^2+19y+20=0\ \ \ |change\ signs\\y^2-19y-20=0\\y^2-20y+y-20=0\\y(y-20)+1(y-20)+0\\(y-20)(y+1)=0\iff y-20=0\ or\ y+1=0\\\\y=20\ or\ y=-1$

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4 0

3 years ago

Starr buys Converse shoes from the manufacturer for $25.50 a pair, she sells them for $38.50, what percent is she marking them u

zvonat [6]

Answer: Approximately 51%

Step-by-Step-Explanation:

Given -

Cost - $25.50
Selling for - $38.50

We must find:

The price Starr is marking up

Profit (Numbers Given)

$38.50 - $25.50 = $13.00

Profit, (In percent)

13/25.50 × 100 ≈ 51%

3 0

3 years ago

A stock trading company charges a commission of $10 per trade plus $0.025 per dollar value of stock traded. If your commission i

pickupchik [31]

Answer:

Value of the stock traded was $5200.

Step-by-step explanation:

In this question it is given that trading company charges commission of $10 per trade or transaction plus $.025 per dollar value of stock.We have to calculate the value of stock we traded if total commission (commission on trade value + commission on trade) is $140.

Let the value of stock traded was $x.

Then commission on value of the stock = x×.025

Commission on transaction = $10

Total commission = 140 = ( .025x + 10)

⇒.025x = 140-10 = 130

x = 130÷.025 = $5200

So the value of the stock = $5200

4 0

3 years ago

Read 2 more answers

Someone please help me fast

Dmitriy789 [7]

-2 = -2 because of the slope

3 0

4 years ago

Solve the equation. 9.54 = p - 4.2 O 5.34 0-13.74 O 13.74 0 -5.34

Gekata [30.6K]

Answer:

Option C

Step-by-step explanation:

9.54 = p - 4.2

9.54 + 4.2 = p

13.74 = p

5 0

3 years ago

Read 2 more answers