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3 years ago

0.396 to the nearest hundredth

Mathematics

2 answers:

alekssr [168]3 years ago

7 0

Answer:

0.4 ones, tenths, hundredths... 5 or more raise the score 4 or less let it rest.

oee [108]3 years ago

6 0

Answer will be 0.40 , Find the number in the hundredth place
9
9
and look one place to the right for the rounding digit
6
6
. Round up if this number is greater than or equal to
5
5
and round down if it is less than
5
5
.
0.40

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If one (1) tablespoon equals three (3) teaspoons, how many tablespoons are in 13 teaspoons?

Fittoniya [83]

D. 4 1/3 tablespoons

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2 years ago

1. Match the polynomial identity to the correct answer.

Katen [24]

Answer:

$a: (a-b)(a+b);b: (a-b)(a^{2}+ab+b^{2}); c: (a^{2} +2ab+b^{2}); d: (a+b)(a^{2}- ab+b^{2})$

Step-by-step explanation:

Given the expressions all that is required is to expand them (using the distributive property) to see which answers they match up to:

For a: $(a-b)(a+b)=a^{2} +ab-ab-b^{2} =a^{2}-b^2$

For b: $(a-b)(a^2+ab+b^2)=a^3+a^2b+ab^2-a^2b-ab^2-b^3=a^3-b^3$

For c calculate the square of a sum: $(a+b)^2=a^2+ab+ab+b^2$

(add like terms) c: $a^2+2ab+b^2$

For d: $(a+b)(a^2-ab+b^2)=a^3-a^2b+ab^2+a^2b-ab^2+b^3$ $=a^3+b^3$

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3 years ago

Find the area of a regular octagon with

sattari [20]

Answer:

482.8 cm

Step-by-step explanation:

A=2(1+sqrt2)a^2=2·(1+squrt2)·10^2=482.84271

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2 years ago

Put these in decreasing order 439.216, 439.126, 439.612, 439.261

klasskru [66]

I think the answer should be 439.612, 439.261, 439.216, and then 439.126

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3 years ago

An automated teller machine at a local bank is stocked with $10 and $20 bills. When a customer withdraws $40 from the machine, i

cestrela7 [59]

Answer:

There are 4 possibilities

Step-by-step explanation

Each customer has 2 ways to receive the money. For each way, the other customer has 2 option, giving a total of 2*2 = 4. Here are the possibilities, separating in 2 different cases.

Case 1: customer 1 withdraws 2 $20 bills

option 1.1: customer 1 withdraws 2 $20 bills AND customer 2 withdraws 2 $20 bills

option 1.2: customer 1 withdraws 2 $20 bills AND customer 2 withdraws 4 $10 bills

Case 2: customer 1 withdraws 4 $10 bills

option 2.1: customer 1 withdraws 4 $10 bills AND customer 2 withdraws 2 $20 bills

option 2.2: customer 1 withdraws 4 $10 bills AND customer 2 withdraws 4 $10 bills

options 1.1, 1.2, 2.1 and 2.2 give us a total of four ways for the customers to retrieve thier money.

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3 years ago