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den301095 [7]
3 years ago
7

Which equation correctly shows how to determine the distance between the points (9,-2) and (6.3) on a coordinate grid?

Mathematics
1 answer:
Nastasia [14]3 years ago
7 0

Answer:

d = \sqrt{(6 - 9)^{2}+ (3 - (-2))^{2} }

Step-by-step explanation:

The distance formula is d= \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}     }.

6 is x_{2}, 9 is x_{1}, 3 is y_{2}, and -2 is y_{1}.

When you plug these into the formula, you get d = \sqrt{(6 - 9)^{2}+ (3 - (-2))^{2} }

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Find the value of x. Round to the nearest tenth
IRISSAK [1]

Answer:

54.8 (rounded to the nearest tenth from 54.76558202)

Step-by-step explanation:

Using the Cosine equation (CAH) you type in a calculator "cos(x) = 4.5/7.8".

This will get you the answer if typed in a calculator and hitting "SOLVE".

6 0
3 years ago
A putt putt course offers a deal that when you purchase 10 rounds of golf, you get 1 round for free. if you played a total of 35
natima [27]
35/11 = 3.18..... 

This means that out of 35 rounds only 3 of them were free because every 11 rounds 1 is free.

so 35-3=32

You purchased 32 rounds.

Please mark brainliest. This was kind of a confusing question at first.


5 0
3 years ago
Read 2 more answers
What’s the measure of x , y , and z
abruzzese [7]

Answer:

x=42 degrees

y= 66 degrees

z=66 degrees

Step-by-step explanation:

X is equal to 42 degrees because all angles in a triangle add up to 180, and since we are given two angles of the triangle, we can add them, then subtract the answer from 180.

48+90=138

180-138=42

Therefore x is 42 degrees.

For angle y and z, they are made up of 3 angles that equal 180. We have one angle measurement given, 48. So we would subtract that from 180, then divide the answer by 2.

180-48=132

132/2=66.

Therefore y and z is 66 degrees.

Please mark brainliest is you can! It is the least you can do. :)

4 0
3 years ago
the perimeter of square is 36 inches which statement is true when the square is dilated by a scale factor of 2/3
OlgaM077 [116]

Answer:

Do you want to know the new perimeter?  = 24 in

Step-by-step explanation:

side of 36" perimeter = 9"

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7 0
3 years ago
You are building a toothpick fort for class. Each wall must be 1 1⁄3 feet long. Each toothpick is 2 inches long. How many toothp
Mariana [72]

Answer: 68/67.8 toothpicks

Step-by-step explanation

first convert how many inches 11.3 feet is

11.3 = 135.6 inches

so after you get your number you get your calculator and divide it by how many inches the toothpicks are

135.6 ÷ 2= 67.8

then to get a solid answer you would round it to a whole number

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(also im not sure if its 11.3ft or 113ft so if so then take away the decimal and do the same math, you'll end up with 678 toothpicks)

6 0
3 years ago
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