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r-ruslan [8.4K]
2 years ago
9

Plz answer I'll give Brainliest.

Mathematics
1 answer:
slamgirl [31]2 years ago
4 0

Answer: I think Identity property

Step-by-step explanation:

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Please simplify 6d²(-7d)
andrew-mc [135]
Simplifying-
 (6d^2)(-7d)=
= -(42d^2)(d)
=-42d^3
6 0
3 years ago
Read 2 more answers
What is the reason for each step in the solution of the equation?
Brums [2.3K]
The correct reason <span>for each step in the solution of the equation would be as follows:
</span>
12 − 5x + 6x = 4 - Given

12 + x = 4 - Combine Like Terms

x= −8 - Subtraction Property of Equality

Hope this answers the question. Have a nice day.
8 0
3 years ago
What is the value of x in the equation in ( x + 6)- in (2x-1) =1
ki77a [65]

Answer:

x= -5

Step-by-step explanation:

5 0
3 years ago
What is the y-intercept of a line perpendicular to y= 1/2x + 6 that passes through the point (4,-3)
Finger [1]

Answer:

(0,5)

Step-by-step explanation:

Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=1/2x + 6 is 1/2. The slope perpendicular to it is -2.

Using m=-2, substitute it and (4,-3) into the point slope form and simplify to find the y-intercept.

y-y_1 = m(x-x_1)\\y--3=-2(x-4)\\y+3=-2(x-4)\\y+3=-2x+8\\y=-2x+5

The equation is now in slope intercept form y=mx+b and b is the y-intercept. The y-intercept of y=-2x+5 is (0,5).

4 0
3 years ago
The histogram shows the number of laps completed by swimmers on a team during practice.
Romashka [77]

Answer:

A) 10-14

B) 45

C) 6.7%

Step-by-step explanation:

A) The interval that contain the most values can be gotten by looking at the histogram and selecting the interval with the highest frequency. Hence the interval 10-14 contains the most values because it has a frequency of 20.

B)The total number of swimmers is gotten by summing all the frequency of each individual lap. Hence:

Total swimmers on team = 10 + 12 + 20 + 0 + 3 = 45 swimmers

C) The percentage of swimmers who swam more than 14 laps = (number of swimmers that swam more than 14 laps/total swimmers) * 100%

The percentage of swimmers who swam more than 14 laps = [(0 + 3)/45] * 100% = (3/45) * 100% = 6.7%

7 0
3 years ago
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