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exis [7]
3 years ago
9

The isosceles triangle has a perimeter of 7.5m. Which equation can be used to find the value of x if the shortest side, y, measu

res 2.1 m?
Mathematics
2 answers:
Leni [432]3 years ago
5 0

Answer:

2.1 +2x=7.5

Step-by-step explanation:


Alexus [3.1K]3 years ago
3 0
2.1 +2x=7.5
2x=7.5-2.1
2x=5.4
x=2.7

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A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

m = 1

so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

y - y1 = m(x - x1)

y - 5 = 1*(x - 4)

y - 5 = x - 4

y = x + 1

that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
3 years ago
I need help....Does anybody know the answer?
Alex_Xolod [135]

Answer:

4/5

Step-by-step explanation:

8/15 = 8/15

3/5 = 9/15

2/3 = 10/15

11/15 = 11/15

We see that the pattern is that the terms increase by 1/15 as they move up.

Thus, the next term in the sequence is 12/15, which can be simplified to 4/5.

Let me know if this helps!

3 0
2 years ago
5x = -35<br><br> What does x =
Talja [164]

Answer:

-7 is your answer

Step-by-step explanation:

hope it helps

4 0
2 years ago
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In the diagram below AC is perpendicular to BD find x show all work
ozzi
3x + 9 = 90
3x = 90 - 9 = 81
x = 81/3 = 27
x = 27
7 0
3 years ago
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The smaller triangle is the image of the larger triangle after a dilation. The center of the dilation is (4,2). What is the scal
zzz [600]
Small triangle: <span>The side // x axis has a length of 4
Large triangle: The side // x axis has a length of 12

So Small/Large = 4/12 = 1/3

Small triangle: <span>The side // y axis has a length of 3
Large triangle: The side // y axis has a length of 9


</span><span>So Small/Large = 3/9 = 1/3

So the scale factor to obtain this dilatation is 1/3</span>

</span>
7 0
3 years ago
Read 2 more answers
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