3 years ago

Someone help me please. :(

Mathematics

1 answer:

blsea [12.9K]3 years ago

7 0

6x 24 /5 = 68 feet is the sender

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7 meters/20 minutes= x cm/2 hours

meriva

Answer:4,200

Step-by-step explanation:

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2 years ago

18 is 60% of what number

LuckyWell [14K]

Let n be the number 18=60% of n
18=0.6n
18/0.6=n
30=n

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3 years ago

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Kenny had 5/7 more trading cards than lee. After Kenny collected 50% more trading cards, he had 220 more trading cards than lee.

svp [43]

Answer:

Step-by-step explanation:

Let X is the number of cards Kenny has

Let Y is the number of cards Lee has

1. Kenny had 5/7 more trading cards than lee, it means

X = Y + 5/7X (1)

2. After Kenny collected 50% more trading cards, he had 220 more trading cards than lee, it means:

X + 50%X = Y + 220 (2)

So, we solve the 2 equations to find out X and Y

$\left \{ {{X=Y + 5/7X} \atop {1.5X=Y +220}} \right.$

<=> X = $\frac{3080}{17}$ and Y = $\frac{880}{17}$

<=> X ≈181 and Y ≈ 52

6 0

2 years ago

I’ve been having trouble with these all week!

Kobotan [32]

Answer:

Step-by-step explanation:

so you will move constant to the right side and change the sign. 72x=223-7

then you will subtract the numbers 72x=223-7 and that will give you 72=216

then you will divide both sides by 72 and that will give you

x=3 .

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2 years ago

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What is the area of the shaded triangle inside the square . Round to the nearest square inch .

Anna11 [10]

16*16=256
256/2=128
=128

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3 years ago

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