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3 years ago

2.

Mathematics

1 answer:

kondor19780726 [428]3 years ago

4 0

Answer:

Dude First show the pie chart

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Andre was trying to write 7^4/7^-3 with a single exponent and write 7^4/7^-3= 7^4-3=7^1 Exploit to Andre what his mistake was an

Readme [11.4K]

$\frac{7^4}{7^{-3}}=7^7$

Here, we want to get what Andre's mistake was and correct it

To answer this, we are supposed to use the division law of indices

We have this as;

$\frac{a^x}{a^y\text{ }}=a^{x-y}$

Now, in the case of this question, x is 4 and y is -3

So, we have the expression as;

$7^{4-(-3)}=7^{4+3}=7^7$

His mistake is thus adding the exponents instead of subtracting

3 0

1 year ago

1. There are infinite black and white dots on a plane. Prove that the distance between one black dot and one white dot is one un

motikmotik

Answer:

Step-by-step explanation:

3 0

3 years ago

You are in charge of drinks for a community barbecue. You need to supply at least 120 cups of beverage to provide enough for the

olga nikolaevna [1]

Answer:

You have 112 cups of beverage

Step-by-step explanation:

* Lets explain how to solve the problem

- You need to supply at least 120 cups of beverage to provide enough

for the projected number of people that will attend

- Assume that a cup can fill by 8 fl. oz. (American standard)

- You have received the following donations

- Enough mix to make 4 gallons of lemonade

∴ You have 4 gallons of lemonade

∵ 1 gallon = 128 oz.

∴ 8 gallons = 4 × 128 = 512 oz.

∴ You have 512 oz. of lemonade

∵ You can fill one cup by 8 oz.

∴ The number of cups of lemonade = 512 ÷ 8 = 64 cups

- 6 bottles of fruit juice that each contain 64 fl. oz

∵ 6 × 64 = 384

∴ You have 384 oz. of fruit juice

∵ You can fill one cup by 8 oz.

∴ The number of cups of fruit juice = 384 ÷ 8 = 48 cups

- Now add the number of lemonade cups to the number of fruit

juice cups

∵ There are 64 of lemonade cups

∵ There are 48 fruit juice cups

∴ The total number of cups = 64 + 48 = 112 cups

* You have 112 cups of beverage

6 0

3 years ago

30%as a decimal rounded to the thousandths place

zalisa [80]

I think it is 0.0030

4 0

3 years ago

Flies in a nest double every 12 hours. If the nest starts with 10 flies, how many will you have in 3 days?

irinina [24]

You would have 640 flies in 3 days.

5 0

3 years ago