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3 years ago

PLEASE HELP ME!! I AM TAKING A TEST AND I NEED TO KNOW THE ANSWER!!!! GIVING BRAINLIEST

Mathematics

2 answers:

Sloan [31]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

Both angles can be 90 degrees

Bad White [126]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

If there is a right triangle, both the interior and exterior angle of that side will be 90 degrees

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CD is perpendicular to AB and passes through point C5, 12).

Aleksandr-060686 [28]

Answer:

x intercept of CD = 17

Step-by-step explanation:

We are given a line AB with its end coordinates. and Another line segment CD which is perpendicular to AB. We have the coordinates of C , and we are asked to find the x intercept of line CD.

For that we need to find the equation of CD

we have coordinates of C , and hence if we have slope of CD we can find equation of CD

Slope of CD can be determine with the help of slope of AB as CD⊥ AB

So, the slope of CD $mCD = -\frac{1}{mAB}$

Hence we start from determining slope of AB

slope is given as

$m= \frac{y_2-y_1}{x_2-x_1}$

$m= \frac{14-(-3)}{7-(-10)}=\frac{17}{17}=1$

Hence $mAB=1$

There fore $mCD=-1$

(∵ Product of Slopes of two perpendicular lines is always -1)

Now we find the equation of CD with the help of slope -1 and coordinates of C(5,12)

$m=\frac{y-y_1}{x-x_1}$

$-1=\frac{y-12}{x-5}$

$-x+5=y-12$

$y=-x+17$

Hence we have our equation , now in order to find the x intercept we keep y = 0 in it and solve for x

$0=-x+17$

$x=17$

Hence the x intercept is 17

8 0

3 years ago

What is 9/10 divided by 2/5

MakcuM [25]

$\frac{9}{10}:\frac{2}{5}=\frac{9}{10}*\frac{5}{2}= \boxed{\frac{9}{4}}$

3 0

3 years ago

Read 2 more answers

Which choicest are equivalent to the fraction below check all that apply 12/32

notka56 [123]

6/16 & 3/8. Hope it helped.

5 0

3 years ago

Which expression is equivalent to 6 – (–8)? –6 + 8 –6 + –8 6 + –8 6 + 8

Jet001 [13]

I think that the answer would be 6+-8 because it equals -2 and 6-(-8)= -2

8 0

3 years ago

Jesse buys a necklace that is on sale for 25% off the original price is 119.50 if tax is 7% what is the total price that Jesse w

trapecia [35]

Answer:

$95.89875

Step-by-step explanation:

The original price of the necklace is 119.5. And we are subtracting 25% from this. 119.5 - 25% = 119.5 - 1/4 since 25% is 25/100 which is also 1/4.

So without tax, the price of the necklace is 119.5 - 29.875 which is 89.625.

The tax is 7%. So we should add 89.625 to 7%. This is complicated, but it should result in 95.89875.

If we round this to the nearest cent, it should be $95.9.

6 0

3 years ago