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3 years ago

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this.

Mathematics

1 answer:

Artyom0805 [142]3 years ago

7 0

Answer:

I think that the first one is not a rhombus but the last two are.

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Write, in slope intercept form, the equation of the line that passes through (8, -9) and has a slope of -5/4.

dezoksy [38]

Answer:

The equation in the slope-intercept form will be:

$y=-\frac{5}{4}x+1$

Step-by-step explanation:

Given

slope = m = -5/4

point = (8, -9)

As we know that the equation of a line in point-slope form is

$y-y_1=m\left(x-x_1\right)$

substituting the values m = -5/4 and point = (8, -9)

$y-\left(-9\right)=\frac{-5}{4}\left(x-8\right)$

$y+9=\frac{-5}{4}\left(x-8\right)$

Writing the equation in slope-intercept form

$y=mx+b$

where m is the slope, and b is the y-intercept

so the equation of the line in slope-intercept form becomes

$y+9=\frac{-5}{4}\left(x-8\right)$

subtract 9 from both sides

$y+9-9=\frac{-5}{4}\left(x-8\right)-9$

$y=-\frac{5}{4}x+1$

Therefore, the equation in the slope-intercept form will be:

$y=-\frac{5}{4}x+1$

7 0

3 years ago

HELP PLS<br> Solve for x<br> x=[?]<br> 3x + 2 6x - 20

Sloan [31]

Step-by-step explanation:

Remember that the sum of angles on a straight line are supplementary. (180°)

Therefore 3x + 2 + 6x - 20 = 180.

=> 9x - 18 = 180

=> 9x = 198

=> x = 22.

3 0

2 years ago

This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find

Nastasia [14]

(21 + 34 + x + 25 + 37 + 22) / 6 = 30
(139 + x) / 6 = 30 .....multiply both sides by 6
139 + x = 30 * 6
139 + x = 180
x = 180 - 139
x = 41......so during week 3, she rode her bike 41 miles

5 0

2 years ago

A=LW for A if L=12m and W=6m

salantis [7]

I think the answer might be 72

6 0

2 years ago

(3)/(2x+3)=(2)/(10x+4)

RoseWind [281]

Answer:

x = -3/13

Step-by-step explanation:

cross multiply

4x + 6 = 30x + 12

combine like terms

-6 = 26x

x = -6/26 = -3/13

7 0

2 years ago

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this. ​

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this.