MATHEMATICS MIDDLE SCHOOL

Two places are 4.7 cm apart on a map.On the map 1 cm represents 5 km.
What is the actual distance between the two places?

Answers

Answer 1
Answer: on the map , 
1cm=5km
therefore , 4.7cm= 5/1 x 4.7
=23.5 km <--------------answer

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Sal made a map of his neighborhood. According to his map,Sal's house is 6 units away from the grocery store.The grocery store is 5 units away from the coffee shop.The coffee shop is 1 unit from Sal's house.How is this possible?

How many solutions exist for the given equation? 3(x – 2) = 22 – x zero one two infinitely many

Answers

An equation can either have a solution, no solution or infinite many solutions

The equation has one solution.

The equation is given as:

\mathbf{3(x - 2) = 22 - x}

Open bracket

\mathbf{3x - 6 = 22 - x}

Collect like terms

\mathbf{3x + x = 6 + 22}

Evaluate like terms

\mathbf{4x = 28}

Divide both sided by 4

\mathbf{x = 7}

The above equation is true for x = 7

This means that: the equation has one solution.

Read more about equation solutions at:

brainly.com/question/2497547

Answer:

one solution

Step-by-step explanation:

Given

3(x - 2) = 22 - x ← distribute parenthesis on left side

3x - 6 = 22 - x ( add x to both sides )

4x - 6 = 22 ( add 6 to both sides )

4x = 28 ( divide both sides by 4 )

x = 7

Solve v = 1/3bh for b

Answers

Answer:

Step-by-step explanation:

Tyler makes $10 per hour at his job.The function f(x)=10x gives the amount of money Tyler makes after x hours.Graph this function and give its domain and range.

Answers

You will have the points: (0,0) and (1,10) and (2,20) and (3,30) etc etc

Plot at least 2 of these points. Then draw a line through them.

Each point has an x,y pair such that the y value is ten times the x value

For example, if x = 2, then

y = 10*x = 10*2 = 20

so that shows how (2,20) is one of the points.

-------------------

The domain would be the set of positive whole numbers assuming Tyler can only work a whole number of hours. If partial time values are accepted, then the domain would be the set of positive real numbers. Negative x values are not allowed as Tyler can't work negative 3 hours for instance.

In a similar fashion, the range is the set {0, 10, 20, 30, 40, ...} incrementing by multiples of 10 if x is the set of positive whole numbers. If x is the set of positive real numbers, then y can be 0 or larger which sets up the range of y being the set of positive real numbers as well.

Could you help me with math? 
2x^2 + 8x = 0
How to solve it?

Answers

2x^2 + 8x = 0\n \n2x( x+4)=0 \n \n2x=0 \ \ or \ \ x+4 = 0 \n \n x=0 \ \ or \ \ x = -4 \n \nAnswer : \ x=0 \ \ or \ \ x= -4
2x^2 + 8x = 0\n\n2x(x+4)=0\ \ \ \Leftrightarrow\ \ \ (2x=0\ /:2\ \ or\ \ \ x+4=0)\n\n.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=0\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x=-4

In a recent golf match,Becky’s score was 5 less than Cathy’s score their combined score totaled 185 let b represent Becky’s score and c represent Cathy’s score which pair equation can be used to determine their scores

Answers

It says that b represents Becky’s score and c represents Cathy’s score.

Becky’s score was 5 less than Cathy’s score, its equation can be written as :-

b = c - 5

It says that their combined score totaled 185, its equation can be written as :-

b + c = 185

So, correct pair of equations is b = c - 5 and b + c = 185.

If Becky’s score was 5 less than Cathy’s, then we would write:

b = c - 5

If Becky’s and Cathy’s scores add up to 185, then we would write:

b + c = 185

These are the two equations:

b = c - 5

b + c = 185

What is the expanded form of 7,330,968

Answers

7,000,000+300,000+30,000+900+60+8
it is 7,000,000 3000, 30,000 900 60 8
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