Simplify the following expression. 6x + 5× + 4(2×)

Answers

Answer 1

Answer: combine all the x's so

6x+5x+4 (2x)
11x+8x
19x

Answer 2

Answer: 4(2x)=8x
6x+5x+8x=19x
Final answer=19x

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Negative square root of 99

If 78 sit-ups is done in 2 minutes how many can be done in 5 minutes

Answers

In 5 minutes 195 sit ups can be done.

What is referred as the unitary method?

The unitary method is a process that determines the value of a single unit from value of multiple units, as well as the value of multiple units from of the value of a single unit.
It is a method for determining the value of a single unit by subtracting the value of multiple units and subtracting the value of different components from of the value of a single unit.

For the given question.

If 78 sit-ups is done in 2 minutes.

this can be written as;

2 minutes -------> 78 sit ups.

For 1 minutes, divide both side by 2.

1 minutes -------> 39 sit ups.

For 5 minutes, multiply both sides by 5.

5 minutes -------> 195 sit ups.

Thus, in 5 minutes 195 sit ups can be done.

To know more about the unitary method, here

brainly.com/question/23423168

#SPJ2

Answer:

195

Step-by-step explanation:

78/2*5

A DJ has a total of 1075 dance, rock, and country songs on her system. The dance selection is three times the size of the rock selection. The country selection has 105 more songs than the rock selection. How many songs on the system are dance? Rock? Country? Please help! This has to do with substituting linear equations.

Answers

$D+R+C=1075\nD=3R\nC=R+105\n\n(3R)+R+(R+105)=1075\n5R=970\nR=194\n\nD=3(194)=\nD=582\n\nC=(196)+105=\nC=301$

582 dance songs.
194 rock songs.
301 country songs.

Answersub to me melodwybae

Step-by-step explanation:

The integer game, you have 3 cards. These cards add up to positive 6 and multiply to negative 64. What are the three cards in your hand?

Answers

mzybd 2 3 and 1 but idk lol

Name two different numbers that round to 8.21 when rounded to the nearest hundredth

Answers

Answer:

The two different numbers are 8.211 and 8.209 that round to 8.21 when rounded to the nearest hundredth

Step-by-step explanation:

Given : Number 8.21.

To find : Name two different numbers that round to 8.21 when rounded to the nearest hundredth?

Solution :

To round to the nearest hundredth, we use the thousandths place to determine whether the hundredths place rounds up or stays the same.

We have top round such that number became 8.21.

So, There are two ways to pick the number

1) The thousandths place value is greater than or equal to 5 and hundredths place is 0 then it round to required number.

Example - 8.205,8.206,8.207,8.208,8.209

2) The thousandths place value is less than 5 and hundredths place is 1 then it round to required number.

Example - 8.211,8.212,8.213,8.214

Therefore, The two different numbers are 8.211 and 8.209 that round to 8.21 when rounded to the nearest hundredth

There's an infinite amount of numbers that round to 8.21 when rounded to the nearest hundredth, for example:

8.211
8.209
8.214
8.21145683204
etc...

Just pick whichever two numbers you like :)

How I do circumference and area

Answers

you multiply 3.14 by the diameter or 2 times the radius
for area you do pi or 3.14*radius squared

Write a decimal that is equivalent to 3 and 10 hundredths

Answers

3.010
There is a decimal place value chart.

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