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2 years ago

Expanded form of the number is ten million more than 280,509,031

1 answer:

7 0

280, 509,031 + 10,000,000 = 290, 509,031

200,000,000 + 90,000,000 + 500,000 + 9,000 + 30 +1 is your answer

hope this helps

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there are 3 alligators, 16 turtles, and 12 snakes in the reptile exhibit at the zoo. what is the ratio

baherus [9]

Answer: 3:31= alligators to total animals. 16:31= turtles total animals. 12:31= snakes to total animals.

Step-by-step explanation:

3+16+12=31 the total

6 0

2 years ago

David drove 135 miles in 3 hours

Lady_Fox [76]

135 miles in 3 hours = 135 / 3 = 45 miles per hour

6 0

2 years ago

Plzzzzzzzzzzzzzzzzzzzzzzzzz help it really hard

dexar [7]

Answer:

168 cm.

Step-by-step explanation:

If each book has an equal distance of 12 cm and total books are (20-6) = 14

then, total distance is (12*14) = 168.

I hope this is correct. Feel free to correct me if I'm wrong.

3 0

2 years ago

10x-5y=25 solve for y

Pavlova-9 [17]

<span>10x-5y=25 solve for y
so
10x - 5y = 25
5y = 10x - 25
y = 2x - 5

hope it helps</span>

8 0

2 years ago

Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 3 oz of chips and drank 2 cups of soda for a t

Diano4ka-milaya [45]

Answer:

200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

Step-by-step explanation:

Let x mg sodium is in 1 oz of chips and and y mg is in 1 cup of soda.

∵ Bryan ate 3 oz of chips and drank 2 cups of soda for a total of 700 mg of sodium.

i.e. 3x + 2y = 700 --------(1),

Jadyn ate 1 oz of chips and drank 3 cups of soda for a total of 350 mg of sodium.

i.e. x + 3y = 350 ---------(2),

Equation (1) - 3 × equation (2),

We get,

2y - 9y = 700 - 1050

-7y = -350

$\implies y = \frac{-350}{-7}= 50$

From equation (1),

3x + 2(50) = 700

3x + 100 = 700

3x = 700 - 100

3x = 600

$\implies x = \frac{600}{3}=200$

Hence, 200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

7 0

3 years ago