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Margaret [11]
2 years ago
5

Help! What is the answer?

Mathematics
1 answer:
fiasKO [112]2 years ago
5 0

Answer: 22.4

Explanation:

The pieces of the chords multiply together to get the same result. This is from the intersecting chord theorem.

The first chord has pieces of 10 and x, which multiply to 10*x

This is equal to the other product found by multiplying the pieces 14 and 16 (from the other chord)

10*x = 14*16

10x = 224

x = 224/10 ... divide both sides by 10

x = 22.4

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Given the points (2, 4) & (-1,-5), what is the equation of the line?
baherus [9]

Answer:

y =1 /3 x + 14 /3

Step-by-step explanation:

8 0
3 years ago
Find the value of x.
lys-0071 [83]
5x+2=2y+20+24
5x+2=2y+44
-2 -2
5x=2y+42
That's what I got...
8 0
2 years ago
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SOMEONE PLEASE HELP I will mark you BRAINLIST
bazaltina [42]

Answer:

20 degrees

Step-by-step explanation:

both triangles are co friend and 90+70=160 180+160=20

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2 years ago
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50 Points plus brainliest plz help asap please no wrong answers
andrew-mc [135]

Answer:

<h2>170</h2>

Step-by-step explanation:

given:

Ann, Ben, and Cindy were eating strawberries.

The ratio of the numbers of berries they ate is 5:5:7.

If Cindy ate 30 strawberries less than Ann and Ben together,

find:

what is the total number of strawberries the three of them ate?

solution:

add the ratios 5 +5+7 = 17

since Cindy ate 30, less than Ann and Ben together so, the factor is

7x = 5x + 5x - 30

7x - 10x = -30

x = 30/3

x = 10

ann 5 x 10 = 50

ben 5 x 10 = 50

cindy 7 x 10 =<u> 70  </u>

total            = 170

6 0
3 years ago
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A plot of land doubles in size by adding x meters to the length and x meters to the width of the land. If the orgininal plot had
stellarik [79]
Hey :)

The answer is 100.
The overall area will be the length times the width:
200 times 300 = 60000.
If the plot of land doubles in size, then the resulting area will be 120000. To get to 120000, the question is saying that the same number was added to both 200 and 300, which were then multiplied together. The equation will look like this:
(x+200) times (x+300) = 120000
Now, you will multiply these together in a process called FOIL (which means you multiply the first numbers in each parentheses, then the outside numbers, then the inside numbers, then the last numbers):
x^2 (this means x squared, or x times itself) + 300x + 200x + 600 = 120000
Then, you will add together like terms:
x^2 + 500x + 600 = 120000
Next, you will subtract 120000 from both sides to get 0 on one side of the equation:
x^2 + 500x - 6000 = 0
Next, you will essentially perform the opposite of FOIL (now you're trying to get the right side of the equation into two parentheses):
(x + 600) times (x - 100) = 0  (you can check if this is correct by performing FOIL and making sure that product is the previous equation)
Now, set both of the parentheses equal to 0 and solve:
x + 600 = 0 ----> x = -600x - 100 = 0 ----> x = 100
Lastly, you will have to choose which value for x satisfies the initial question. Since the question is asking for a value within the real world, a negative answer will not work (you cannot give someone -600 meters of land). So, the answer is 100.

Hope this helps! :)
3 0
3 years ago
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