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Westkost [7]
3 years ago
9

The product of 3.41 and 8.5 will have____ decimal places.

Mathematics
2 answers:
Ann [662]3 years ago
4 0

Answer:

3 decimal places

Step-by-step explanation:

3.41 × 8.5 = 28.985

Dmitriy789 [7]3 years ago
3 0

Answer: The product of 3.41 and 8.5 will have 3 decimal places.

Step-by-step explanation:

The Rule to Multiplying Decimals:

1) Multiply all the numbers(in other words, ignore the decimals)

2) When you get the finished product, count the decimal numbers in the problem(the numbers that are behind decimals)

3) Count over the decimal number in the answer.

Example: The product of 3.41 and 8.5 without the decimals is 28,985. There are 3 decimal numbers(3.41 and 8.5). So, you would count the decimal over 3 times in the answer. Your final answer is 28.985.

<u>Please correct me if I'm wrong! :D</u>

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Your family goes to a Southern-style restaurant for dinner. There are 7 people in your family. Some order the chicken dinner for
butalik [34]

Answer:

a) 4 people ordered streak dinner

b) 3 people ordered chicken dinner

Step-by-step explanation:

Let the number of people that ordered steak dinner be x

and the number of people that ordered chicken dinner be y

From the question,

There are 7 people in your family

Hence, we can write that

x + y = 7 ...... (1)

Also from the question

Some order the chicken dinner for $13 and some order the steak dinner for $18 and the total bill was $111.

We can then write that

13y + 18x = 111 ...... (2)

From equation (1)

x + y = 7

Then,

x = 7 - y ...... (3)

Put this into equation (2)

13y + 18x = 111

13y + 18(7 - y) = 111

13y + 126 - 18y = 111

-5y = -15

5y = 15

y = 15 / 5

y = 3

Put the value of y into equation (3) to get x

x = 7 - y

Then

x = 7 - 3

x = 4

Hence, 4 people ordered streak dinner

and 3 people ordered chicken dinner

a) 4 people ordered streak dinner

b) 3 people ordered chicken dinner

3 0
2 years ago
Emily lived in a blue house for 4.5 years. Then she lived in a yellow house for 3.6 years. How many years did Emily live in the
ikadub [295]
You add 3.6 plus 4.5 and you get 8.1 years
8 0
3 years ago
Read 2 more answers
Is this all correct?
expeople1 [14]
Yes it looks like it would be right
3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20-%2022x%20%20%2B%20121" id="TexFormula1" title=" {x}^{2} - 22x + 121"
eduard

Let's factor x^2−22x+121

The middle number is -22 and the last number is 121. Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks? We need two numbers that...

Add together to get -22

Multiply together to get 121

Can you think of the two numbers?

Try -11 and -11:

-11+-11 = -22

-11*-11 = 121

Fill in the blanks in

(x+_)(x+_)

with -11 and -11 to get...

(x-11)(x-11)


Answer: (x-11)(x-11)


Hope this helps!!!

3 0
3 years ago
Calculate the discriminant.<br><br> x2 – x – 2 = 0
nikitadnepr [17]
\Delta=(-1)^2-4\cdot1\cdot(-2)=1+8=9
6 0
3 years ago
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