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Shtirlitz [24]
3 years ago
12

I really need help please !!!

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0

Answer:

15

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(5+x) * 5 = 10^2

Distribute

25 +5x = 100

Subtract 25 from each side

25-25 +5x = 100-25

5x= 75

Divide by 5

5x/5 = 75/5

x = 15

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Write one problem using a dollar amputated of $420 and a percent of40% provide the solution to your problem
lianna [129]
Q- A $420 55' flat screen tv is on sale for 40%, what is the cost of the flat screen tv now?

A-168 the tv now cost $168 dollars
3 0
3 years ago
Tickets to a movie cost $7.25 for adults and $5.50 for students a group of friends purchased 8 tickets for $52.75 how many adult
irina1246 [14]

Answer:

The number of adults tickets and student tickets purchased is 5 and 3.

Given that,

Tickets to a movie cost $7.25 for adults and $5.50 for students.

A group of friends purchased 8 tickets for $52.75.

Here we assume the no of adult tickets and no of student tickets be x and y.

Based on the above information, the calculation is as follows:

7.25x + 5.50y = 52.75 .............(i)

x + y = 8

x = 8 - y..................(2)

Now put the x value in the equation (1)

So,  

7.25(8-y) + 5.50y = 52.75

7.25 × 8 - 7.25y + 5.50y = 52.75

58 - 1.75y = 52.75

5.25 = 1.75y

y = 3

So,  

x = 8 - 3

= 5

Therefore we can conclude that the number of adults tickets and student tickets purchased is 5 and 3.

-Hope this helps<3

4 0
2 years ago
Raju and Johari baked 143 muffins altogether. Andrew and Johari baked 211 muffins altogether. (b) If Andrew baked 113 muffins, h
n200080 [17]

Answer:

467 muffins

Step-by-step explanation:

143 + 211 + 113 = 467

8 0
3 years ago
A street vendor earns $20 for each day of work plus $4 for
loris [4]

Answer:

(C)

Step-by-step explanation:

20 for each day=20x

4 for hot dogs sold=4x

20x+4x

(C)

4 0
3 years ago
HEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEELP GUYS
VladimirAG [237]

HEYYYYYYYYYYYYYYYYY BAHSJJSIS

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3 years ago
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