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3 years ago

What is the length of the line segment with endpoints (11,−4) and (−12,−4) ?

Mathematics

2 answers:

bija089 [108]3 years ago

8 0

Answer:

Length of the line segment with endpoints (11,−4) and (−12,−4) is 23 units

Step-by-step explanation:

Given:

Endpoints are (11,−4) and (−12,−4)

To Find:

The length of the line = ?

Solution:

The length of the line can be found by using the distance formula

$\sqrt{(x_2-x_1)^2 +(y_2 - y_1)^2$

Here

$x_1$ = 11

$x_2$ = -12

$y_1$ = -4

$y_2$ = -4

Substituting the values

Length of the line

=> $\sqrt{((-12)- 11)^2 +((-4) - (-4))^2$

=> $\sqrt{(-12- 11)^2 +(-4+4)^2$

=> $\sqrt{(-23)^2 +(0)^2$

=> $\sqrt{529}$

=>23

castortr0y [4]3 years ago

5 0

Answer:

23 unit i took the test vote me brainlest

Step-by-step explanation:

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Answer:

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2 years ago

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Step-by-step explanation:

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2 years ago

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2 years ago

A scientist has a container of 2% acid solution and a container of 5% acid solution. How many fluid ounces of each concentration

algol [13]

Let 'a' be the number of ounces of 2%-solution in the 25-ounce mixture

and 'b' be the number of ounces of 5%-solution in the 25-ounce mixture.

Since, fluid ounces of each concentration should be combined to make 25 fl oz.

So, a+b=25 (Equation 1)

And, a container of 2% acid solution and a container of 5% acid solution should be combined to make 25 fl oz of 3.2% acid solution.

So, a of 2% + b of 5% = 3.2% of 25

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$(0.02a)+(0.05b)= 0.8$

Multiplying the above equation by 100, we get

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Substituting the value of a=25-b in equation 2, we get

$2(25-b)+5b=80$

$50-2b+5b=80$

$50+3b=80$

$3b=30$

$b=10$

Since, a=25-b

a= 25-10

a=15.

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2 years ago

Geometry Math

Lostsunrise [7]

Answer:

Step 3: The measure of angle DAB is 60°. Reason: Since DAE is a right angle, and EAB is 30 degrees, 90 - 30 is 60. (Just find the reason that is related to this statement).

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Step-by-step explanation:

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