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olganol [36]
3 years ago
13

|2x+1|=|x+6| Find absolute value

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer:

Exact form: x = 5, -\frac{7}{3}

Decimal form: x = 5, -2.3

Mixed number form: x = 5, -2\frac{1}{3}

Step-by-step explanation:

Hope this helps! :D

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What are the coordinates of the point on the directed line segment from (–9, -7) to
pentagon [3]

Answer:

Step-by-step explanation:

Saving the long, drawn out derivation of the formulas to find the x and y coordinates of the directed point, suffice it to say that it is:

x coordinate: \frac{bx_1+ax_2}{a+b} and

y coordinate: \frac{by_1+ay_2}{a+b}

where x1, x2, y1, and y2 are the coordinates from the given points and a and b are the numbers in the ratio, namely a = 3 and b = 4. Filling in accordingly:

the x coordinate of the directed point is

\frac{4(-9)+3(-2)}{7} which simplifies down to -6, and

the y coordinate of the directed point is

\frac{4(-7)+3(7)}{7} which simplifies down to -1.

The coordinate of the point is (-6, -1). Write that down so you don't forget it.

4 0
3 years ago
Find the percent decrease. Round to the nearest percent.<br><br><br> From 90°F to 70°F
Goryan [66]

Answer:

22

Step-by-step explanation:

90*x = 70

x = 7/9

x = 78%

100-78 = 22

3 0
2 years ago
A triangle has an area of 15. One of its sides has length 10. What is the length of the altitude to that side?
UNO [17]

Answer:

Im to lazy to calculate the entire answer but its basically the formula is a*b/2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the mean of thw data 11,11,12,13,13,13,14,14,15,15,16,16,18
amid [387]

Answer:

the mean is 13

Step-by-step explanation:

The way to find the mean of a set of numbers is to add all the numbers together and divide the sum by the number of numbers. so 11 + 11 + 12 + 13+ 13 + 13 + 14 + 14 + 15 + 15 + 16 + 16 + 18 / 13 = 13.9

4 0
3 years ago
The list price of a cell phone is $225 but a discount of
AveGali [126]

Answer:

31% discount

Step-by-step explanation:

hope that helps :)(:

6 0
3 years ago
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