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3 years ago

What are the coordinates of the midpoint of the segment whose endpoints are A (1,6) and B (5,-2)?

1 answer:

6 0

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
A(\stackrel{x_1}{1}~,~\stackrel{y_1}{6})\qquad 
B(\stackrel{x_2}{5}~,~\stackrel{y_2}{-2})
\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{5+1}{2}~~,~~\cfrac{-2+6}{2} \right)\implies (3~,~2)$

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Find the largest number which divides 870 and 720 exactly

mote1985 [20]

$870=29\times5\times3\times2$
$720=5\times3^2\times2^4$

$\mathrm{gcd}(870,720)=2\times3\times5=30$

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3 years ago

15pts awarded and brainliest will be chosen!!!!!

True [87]

Answer: OPTION B

Step-by-step explanation:

Let be "x" the acceptable lengths for the rod.

You know that the ideal length of the metal rod is 30.5 centimeters and the measured length may vary from the ideal length by at most 0.015 centimeters.

Therefore, knowing this, you can say that the acceptable lengths must be:

$30.5cm-0.015cm\leq x\\\\30.485\leq x$

$x \leq 30.5cm+0.015cm\\\\x\leq 30.515$

Therefore, the range of acceptable lengths for the rod is the following:

$30.485\leq x\leq 30.515$

This range matches with the one shown in the option B.

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3 years ago

Evaluate 2z + xy when x = 4, y =6, and z =3 A.24 B.144 C.30 D.76

musickatia [10]

Answer:

Step-by-step explanation:

2z + xy

Put z as 3, x as 4, and y as 6.

2(3) + (4)(6)

Multiply the terms.

6 + 24

Add both terms.

= 30

4 0

3 years ago

Read 2 more answers

What is the correct answer???

LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

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3 years ago

2x+1y=-9<br><br> Please help

xenn [34]

Answer:

x=-(9+1y)/2

y=-2x-9

Step-by-step explanation:

2x=-9-1y

x=-(9+1y)/2

-1y=2x+9

y=-2x-9

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3 years ago