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mojhsa [17]
4 years ago
15

Find the coordinates of the midpoint of the line segment ab,where a and b have coordinates a(8.0),b(4.6)

Mathematics
1 answer:
umka2103 [35]4 years ago
4 0
\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ 8}}\quad ,&{{ 0}})\quad 
%  (c,d)
&({{ 4}}\quad ,&{{ 6}})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left( \cfrac{4+8}{2}~~,~~\cfrac{6+0}{2} \right)\implies (6~~,~~3)
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One math problem. Having trouble, could somebody help
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Correct option - A

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Hope This Helps You!
7 0
3 years ago
(x−7)2−25=0<br><br> smaller x =<br> larger x =
nexus9112 [7]

Remark

Are you sure you don't mean that (x - 7) is squared? The way you have written it indicates that it is squared. I'll treat it that way and you can leave a not if I am wrong.

Solution

(x - 7)^2 - 25 = 0                 Add 25 to both sides

(x - 7)^2 - 25 + 25 = 25      Combine the left

(x - 7)^2 = 25                       Take the square root of both sides.

sqrt(x - 7)^2 = sqrt(25)

x - 7 = +/-   5                        Add 7 to both sides

x = 7 +/- 5

=========

x1 = 7 + 5

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Largest x = 12

 

7 0
3 years ago
Nick is making bread dough. The recipe requires 3/4 cup of flour and 1 1/8 teaspoon of salt. Nick wants to make the recipe using
madam [21]

Answer:

1\dfrac{1}{2} teaspoon of salt is required

Step-by-step explanation:

The recipe requires 3/4 cup of flour and Nick wants to make the recipe using 1 cup of flour.

The recipe requires  1 1/8 teaspoon of salt and Nick wants to know how much salt he heeds.

Consider short description:

3/4 cup of flour - 1 cup of flour,

1 1/8 teaspoon of salt - x teaspoon of salt.

Mathematically, you can wrte a proportion:

\dfrac{\frac{3}{4}}{1\frac{1}{8}}=\dfrac{1}{x}.

Then

\dfrac{3}{4}\cdot x=1\cdot 1\dfrac{1}{8},\\ \\\dfrac{3x}{4}=\dfrac{9}{8},\\ \\3x\cdot 8=4\cdot 9,\\ \\24x=36,\\ \\x=\dfrac{36}{24}=\dfrac{3}{2}=1\dfrac{1}{2}.

3 0
4 years ago
This scale drawing of a rectangular computer chip has dimensions 5,5 centimeters by 12.75 centimeters. The length
podryga [215]

Answer:

280.5 mm^2

Step-by-step explanation:

scale * 25.5 mm = 127.5 mm      1275/25.5 = 5   scale factor  

25.5   *   55/5 = 280.5 mm^2

4 0
2 years ago
Ian is playing video games. For every 11 enemies he defeats, he gets 6 points. If he has 24 points at the end of the game, how m
ohaa [14]

Hi

if he has 24 point he scored 24/ 6 = 4 times

As he score points every 11 ennemies,

He had : 4*11= 44 ennemies.

6 0
2 years ago
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