What is half of 27 because i dont know how to do this

Answers

Answer 1

Answer: half of 27 would be 27/2 which is 13.5

Answer 2

Answer: 13.5 is the answer to half of 27

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Smith elementary school scored 30 less points in their track meet than Jones elementary school. If Jones elementary school scored x points, write an expression to represent how many points Smith elementary school scored.A) 30x
B) x+30
C) x-30
D) 30-x

Answers

Smith elementary school score is x -30.

What is Expression?

A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:

An absolute numerical number is referred to as a constant.
Variable: A symbol without a set value is referred to as a variable.
Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.
Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.

Given:

Smith elementary school scored 30 less points in their track meet than Jones elementary school.

If Jones elementary school scored x points.

So, Smith elementary school score expression is x -30.

Hence, the expression is x-30.

Learn more about expression here:

brainly.com/question/14083225

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its C i just took the test

Margie hiked a 17 7/8 mile trail.She stopped every 3 2/5 miles to take a picture.Which is the best estimate of the number of times she stopped ? A 4. B 6. C 7. D 8.

Answers

Answer:

Option B is the correct answer

Step-by-step explanation:

Margie hiked a 17 7/8 mile trail.

$\texttt{Distance hiked by Margie = }17(7)/(8)=(17* 8+7)/(8)=(143)/(8)mile$

She stopped every 3 2/5 miles to take a picture.

$\texttt{Distance at which she stopped to take picture = }3(2)/(5)=(3* 5+2)/(5)=(17)/(5)mile$

$\texttt{Number of pictures taken = }\frac{\texttt{Distance hiked by Margie}}{\texttt{Distance at which she stopped to take picture}}\n\n\texttt{Number of pictures taken = }((143)/(8))/((17)/(5))=(715)/(136)=5.28$

So she can take maximum of 6 picture and minimum of 5 picture.

Option B is the correct answer

17 7/8÷3 2/5
143/8÷17/5
multiply by reciprocal
143/8×5/17= 715/136= 5.26 which is closer to
B. 6

Show how to multiply 46.93×1.8

Answers

To start off this is multiplication and not addition nor subtraction where you have to line up your numbers like 46.93+ 1.98No, instead you put them in any order such as46.93x. 1.98---------------37544421370+ 469300------------------92.9214 ------> This is your answer!1)Multiply the 3 in 46.93 to the 8 in 1.98 which is 24. 2) Then you multiply the 9 in 46.93 to the 8 in 1.98 which gives you 72 and don't forget to add the 2 from 24. You get 74. 4)You then multiply the 6 in 46.93 to the 8 in 1.98 and you get 48, add the 7 from 74, and you get 55. 5) You multiply the 4 in 46.93 to the 8 in 1.98 and you get 32, plus the 5 from 55 and you get 37. Your first answer should be 37544.6) After you get this answer, you add a zero underneath the 4 in the one's place from your previous answer. 7) This step might be a little hard to remember, but you do the same procedure as you were doing in steps 1-6. This time on the other hand, you multiply each value in 46.93 to the 9 in1.98. 8)After completing those exact steps, your secondary answer should be 421370. 9) Once having this answer, you multiply 46.93 to the 1 in 1.98 and your third answer should be 469300. 10) The next step is to add up all three of your answers together and you get the final answer. You should be getting 929214. 11) The last and final step is to count the spaces of decimals your multiples' have which are 4, and you move 4 spaces to the left and you get 92.9214.

Final answer:

To multiply 46.93 and 1.8, you treat 1.8 as 18, perform the multiplication, and then reinsert the decimal in the right spot. After carrying out these steps, you'll arrive at the result of 84.474.

Explanation:

To multiply the numbers 46.93 and 1.8, you can use the standard multiplication algorithm. Start by thinking of 1.8 as 18, but remember to put the decimal back in the result. Here are the steps:

Multiply 18 by 3 (the number in the hundredths place of 46.93). The result is 54. Write down 54.
Multiply 18 by 9 (the number in the tenths place of 46.93) and add the carried over 5 from the last step. The result is 167. Write down 167, but shift it one place to the left.
Multiply 18 by 6 (the number in the ones place of 46.93). Write this down, shifted two places to the left.
Multiply 18 by 4 (the number in the tens place of 46.93). Write this down, shifted three places to the left.
Add up all the lines. The result should be 84474.
Count how many decimal places are in the numbers you are multiplying. In this case there are two (46.93 has two, 1.8 has one). So put a decimal in your result two places from the right. The final answer is 84.474