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mihalych1998 [28]
4 years ago
15

Are the expressions -5 + -2 and -5 -2 equivalent

Mathematics
1 answer:
arsen [322]4 years ago
5 0

Answer:

no

Step-by-step explanation:

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What are the x- and y- coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2? x = (
Crank

The x =0 and y = 1 are coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2.

<h2>We have to determine</h2>

What are the x- and y- coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2?

<h3>According to the question</h3>

A line segment at points A(2, -3) and B (-4, 9).

The x- and y- coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2 is given by;

\rm x=\dfrac{m}{(m+n)} [x_2- x_1]+ x_1 \\&#10;\\&#10; y=\dfrac{m}{(m+n)} [y_2- y_1]+ y_1 \\&#10;\\

Where \rm x_1 = 2 , \ x_2 =-4, \ y_1 =-3, \ y_2 = 9

Substitute all the values in the formula;

\rm x=\dfrac{m}{(m+n)} [x_2- x_1]+ x_1 \\\\

\rm x=\dfrac{1}{(1+2)} [-4-(2)]+ (2)\\\\ x = \dfrac{1}{3} \times (-6) +2 \\&#10;\\&#10;x = -2+2\\&#10;\\&#10;x=0

\rm y=\dfrac{m}{(m+n)} [y_2- y_1]+ y_1 \\\\ y=\dfrac{1}{(1+2)} [9-(-3)]+ (-3)\\\\&#10;y = \dfrac{1}{3} \times (12) -3\\&#10;\\&#10;y = 4-3\\&#10;\\&#10;y =1

Hence, the x =0 and y = 1 are coordinates of point E, which partitions the directed line segment from A to B into a ratio of 1:2.

To know more about Coordinates click the link given below.

brainly.com/question/13847533

7 0
3 years ago
100 POINTS
Sergio039 [100]

Answer:

y+y=22

2y=22

/2 /2

y=11

steve ran 11 miles.

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
I need the mean median and mode for 7
pashok25 [27]

Answer:

mode- 1 2/3 and 2

median- 2

mean- 1.96 = 1 96/100 and simplified is 24/25

Step-by-step explanation:

mode is the number that occurs the most and those 2 numbers occur the most.

median is the middle number so you put the numbers is order from least to greatest and mark of numbers one by one on each side and then ur left with two 2's in the middle so you add them and then divide by 2 which gives you 2.

mean is all the numbers added together and then divided by how many numbers there are

7 0
3 years ago
Which of the following is equal to this expression?
Jlenok [28]

Answer:

B) 8\sqrt[4]{4}

Step-by-step explanation:

(2^{8} *2^{6} )^\frac{1}{4} = (2^{8+6} )^\frac{1}{4} =(2^{14} )^\frac{1}{4} =2^{\frac{7}{2} }=\sqrt{2^{7} }  =2^{3} \sqrt{2} =8\sqrt{2} = 8\sqrt[4]{2^{2} } = 8\sqrt[4]{4}

8 0
2 years ago
Here are the costs of the sametypes is shops shop a pack 4 batteries £1.60 shop b pack of 6 batteries £2.70
noname [10]

Answer:

Shop a

Step-by-step explanation:

1.60/4=£0.4 per battery

2.7/6= £0.45 per battery

Hence the batteries at shop a are cheaper

6 0
3 years ago
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