3 years ago

I need help to solve these two problems

Mathematics

1 answer:

Gnom [1K]3 years ago

6 0

9) Standard form: 83,023,007 expanded form: 80,000,000 + 3,000,000 + 20,000 + 3,000 + 7

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Do u ever just feel brain dead??? just me? ight cool <br><br> which is more a gram or kilogram??

Ahat [919]

Answer:

me all the time wanna be friends?

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2 years ago

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The area of a rectangle is 525 sq cm. the ratio of the length to the width is 7:3. find the length and width.

nalin [4]

Suppose the length is 7x, the width is then 3x
7x*3x=525
21x²=525
x²=25
x=5
so the length is 7*5=35, and the width is 3*5=15

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3 years ago

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ArbitrLikvidat [17]

I believe the answer is b and e

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3 years ago

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"A new bakery offers decorated sheet cakes for children’s birthday parties and other special occasions. The bakery wants the vol

Darya [45]

Answer:

$w = 9 \text{ inches}\\l = 13\text{ inches}\\h = 3\text{ inches}$

Step-by-step explanation:

We are given the following in the question:

Volume of cake = 351 cubic inches

Let x inches be the width of cake.

Width of cake, w =

$x\text{ inches}$

Then, length of cake,l =

$(x + 4)\text{ inches}$

Height of cake,h =

$\dfrac{x}{3}\text{ inches}$

Volume of cake = Volume of cuboid

$V = lwh$

Putting values, we get:

$351 = x(x+4)(\dfrac{x}{3})\\\\1053 = x^3 + 4x\\x^3+4x^2-1053= 0\\\\\text{For x = 9}\\(9)^3+4(9)^2-1053= 0$

Thus, dimensions of cake are:

$w = 9 \text{ inches}\\l = 13\text{ inches}\\h = 3\text{ inches}$

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3 years ago

A roller coaster can load 60 passengers every 5 minutes. Complete the double number line to show how many people can be loaded p

emmasim [6.3K]

Answer: 12 people per minute

Step-by-step explanation:

If you take the number of people loaded every 5 minutes (60) and divided it by 5

You will get 12, which means you can load 12 people on the rollercoaster per minute.

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