URGENT!!!!!Find the distance on the coordinate system from the point (-3, 4) to the point (8, -7).

Answers

Answer 1

Answer: remember the pythagorean theorem?
this is like that
the distance is the hypotnuse

D= $\sqrt{(x2-x1)^(2)+(y2-y1)^(2)}$

D= $\sqrt{(8-(-3))^(2)+(-7-4)^(2)}$
D= $\sqrt{(11)^(2)+(-11)^(2)}$
D= $√(169+169)$
D= $√(338)$
D= $11√(2)$
aprox 15.55 units

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Can someone may help me with solving system of solving equations plzA small soda costs $0.45 and a large soda costs $0.65. 35 sodas were sold for a total of $18.55. How many of each size soda were sold?

Answers

let number of small sodas sold be x
# of large sodas sold be y
so
x + y =35
x=35 - y {equation1}
now next equation
0.65x + 0.45y = 18.55 { divide all by 0.50}
1.3x + 0.9y = 37.1 { put x = 35 - y (from eq 1)}
1.3 (35 - y) +0.9y = 37.1
45.5 - 1.3y + 0.9y = 37.1 {subtract 45.5 from both sides}
-0.4y = -8.4 { divide both by -0.4}
y = 21
so #of large sodas sold is 21
# of small sodas sold is 35 -21 = 14

Topic 1 performance task. Part A: Error Analysis
Please help me.

Answers

Answer:

10^14

Step-by-step explanation:

10^11 * 10^3 = 10 ^ (11+3) = 10^14

What is the circumference of a circle that has a radius of 10 centimeters? Round your answer to one decimal place. C = a0 cm

Answers

Answer: 62.8 centimeters

Step-by-step explanation:

We know that the circumference of a circle is given by :_

$\text{Circumference}=2\pi r$ , where r is the radius of the circle.

Given : The radius of the circle : r= 10 centimeters.

Then , the circumference of the circle is given by :-

$\text{Circumference }=2(3.14)(10)\n\n\Rightarrow\ \text{Circumference }=62.8\ cm$

Hence, the circumference of the circle = 62.8 centimeters

C=2*3.14*10=20*3.14=62.8cm

A watch was purchased for $25. The wholesale cost was $16. What percentage was the markup?64%
1.56%
56.25%
0.56%

Answers

If you would like to know what percentage was the markup, you can calculate this using the following steps:

x% of $16 is $25
x% * 16 = 25
x/100 * 16 = 25
x = 25 * 100 / 16
x = 156.25%

156.25% - 100% = 56.25%

The correct result would be 56.25%.

If anyone can assist with a step by step

Answers

Answer:

(in the image)

Step-by-step explanation:

hope it helps

How are lines KL and MN related? The lines intersect at point K. The lines are parallel. The lines are perpendicular. The lines do not have slopes.

Answers

It is C, line KL has a slope of 0 and line MN is undefined and they're perpendicular.

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