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brilliants [131]
3 years ago
5

X = ?????????????????

Mathematics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

4

Step-by-step explanation:

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The following set of coordinates represents which figure? (1, 1), (5, 3), (7, 7), (3, 5) (4 points)
slamgirl [31]
Check the slopes 
the first 2 points have slope (3-1) / (5-1) = 2/4  = 1/2
points 2 and 3 slope =  4/2 = 2
3 and 4:- slope = -2/-4 = 1/2
4 and 1:- slope =  4/2 = 2

so we have 2 pairs of opposite sides which are parallel

looks like a parallelogram or a rhombus 

if adjacent sides are equal its a rhombus

length betwee  pts 1 and 2  = sqrt(2^2 + 4^2) = sqrt20
 .. ...  ...   ..  ..   .. ...2 and 3 =  sqrt(4^2 + 2^2) = sqrt20

so it is a rhombus

8 0
3 years ago
Read 2 more answers
Which equation represents a line which is parallel to the line 7y - 4x = -14?
iVinArrow [24]
Answer: Any line with a slope of 4/7 and a y-intercept that is NOT -2

You should first turn the equation into y intercept form:
7y - 4x = -14; Add 4x from both sides
7y = 4x - 14; divide 7 from both sides
y = 4/7x - 2

Since you did not include choices, the answer will be the line with the slope 4/7 and without the y-intercept -2, because lines that are parallel will always have the same slope.

Example Answers: y = 4/7x + 2, y= 4/7x - 4
y = 4/7x + 10

4 0
3 years ago
Please please help me with question 6,, I can’t figure it out.
Norma-Jean [14]

Answer:

The answer is D.) 27

Step-by-step explanation:

This problem forms a right triangle and with the 90ft wire being the hypotenuse, you subtract 63 from 90 and you get 27.

Hope I helped! :)

7 0
3 years ago
A number is no less than 13. On a number line
Gennadij [26K]

Answer:

greater than or equal to 13 line with closed dot going to the right

Step-by-step explanation:

13●·------> but put the closed dot on the 13

8 0
2 years ago
A bracelet is made by stringing together four beads. Each bead is either red or green. How many different color patterns are
JulijaS [17]

Answer:

3 or 5, depends on the bracelet can be fully green or red. If you have to have both colours then it's 3.

Step-by-step explanation:

RRRG

RRGG

RGGG

GGGG?

RRRR?

7 0
2 years ago
Read 2 more answers
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