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Rzqust [24]
3 years ago
6

Would like an answer for this question. Which represents 7(45) using the distributive property to simplify? SELECT THE TWO THAT

APPLY. 1# 7 (40 - 5) 2# 7 (4) + 7 (5) 3# 7 (40 +5) 4# 7 (40) + 7(5)
Mathematics
1 answer:
makkiz [27]3 years ago
3 0

Answer:

7(45)=7(40)+7(5)

Step-by-step explanation:

We need to represent 7(45) using the distributive property to simplify.

We can write 45 as 40+5

So it becomes,

7(45) = 7(40+5)

Distributive property is : a(b+c)=ab+ac

a=7, b = 40 and c = 5

7(40+5)=7(40)+7(5)

So, the correct option is (4).

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Which statements accurately describe how to determine the y-intercept and the slope from the graph below?
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Select one of the two bottom statements which both read "To find the y-intercept, begin at the origin and move vertically to the graphed line. To find the slope, use two ordered pairs on the line and substitute into the equation ."

Step-by-step explanation:

The y-intercept of a function is the point where the graph intersects the y-axis. Since the y-axis is the vertical line through the origin, we can start at the origin (0,0) and move up or down to where the line crosses the axis. This (0,y) point is the y-intercept. It is always (0,y) because it is located on the y-axis where x=0.

The slope of a function of a function is the rise/run or rate of change of the function. It can be seen on the graph of a line between any two coordinate pairs of the line. We know it as the variable m in linear function equations. To find it using an equation, we chose the point-slope form yy_{2}-y_{1} = m(x_{2}-x_{1}). We substitute two coordinate pairs from the line for (x_{1},y_{1} ) and (x_{2},y_{2}) to find the missing value m or slope of the line.

8 0
3 years ago
Read 2 more answers
The theater sells two types of tickets: adult tickets for $7 and child tickets for $4. Last night, the theater sold a total of 7
MAXImum [283]

Answer:

55 tickets for adults

Step-by-step explanation:

Start by setting up two equations. One equation will be the total amount of money spent and the other is the total amount of tickets sold. a is the # of adult tickets and c is the # of children tickets sold.

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a+c=76

Now solve for c in the second equation. Then use that to substitute for c in the first equation.

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For open international competition, the throwing circle in the men’s shot put must have a diameter of 2.135 meters. Round this n
Nadusha1986 [10]

Rounding up 2.<u>13</u>5 becomes:  2.14

<h3>Further explanation </h3>

There are general rules used in rounding numbers

  • 1. Determine the rounded digit
  • 2. Pay attention to the digits afterward (right). If the digit shows the numbers 0, 1, 2, 3 or 4, then the digit to be rounded is fixed, and the digit on the right is 0 all
  • 3. If the digit on the right shows the numbers 5, 6, 7, 8 or 9, then the digit to be rounded is added to one, and the digit on the right side is made all 0

In rounding the nearest hundreds number, then we see the digit in the number tens (right of the digit hundreds), if it is worth 0, 1, 2, 3 or 4, then it remains, but if it shows numbers 5, 6, 7, 8 or 9, then the digit to be rounded is added one, and the right-hand side is 0

At 2.135, the hundredth place is 3, and the number behind it is 5

So that number 3 is rounded and the digit on the right digit is omitted

Rounding up becomes:

2.135 ---> 2.14

<h3>Learn more </h3>

five numbers that are round up and round down to 600

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Keywords: round up, round down, the rounded digit

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