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salantis [7]
3 years ago
5

Find the value of x .

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0

Answer:

10

Step-by-step explanation:

By using intersecting chord theorem:

NH.HT=MH.HY

(x+20)*8=12*20

x+20=12*20/8

x+20=240/8

x+20=30

x=30-20

x=10

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Simplify 6-(-14)+(-2)​
garik1379 [7]

Answer:

18

Step-by-step explanation:

when there is a - in front of an expression in parentheses, change the sign of each term in the expression

6+14+(-2)

then calculate the sum or difference

6+14-2= 18

3 0
3 years ago
*
Arturiano [62]

Answer:

-4

Step-by-step explanation:

in 6x3-4x4+22 4 is the biggest exponent

the coefficient of the biggest exponent is -4 becuase it would be -4(4)

therefore the leading coefficient is -4

4 0
3 years ago
A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200cm, the distance between each r
bulgar [2K]

Answer:

The answer to your question is 8 h

Step-by-step explanation:

Data

length of the ladder = 200 cm

distance between each rung = 20 cm

rate = 10 cm/h

fifth rung = ?

Process

1.- Calculate the total distance the tide must rise

distance = 20 cm x 4

              = 80 cm              because the first rung touches the water

2.- Calculate the time

rate = distance / time

-Solve for time

time = distance / rate

-Substitution

time = 80 cm / 10cm/h

-result

time = 8 h

3 0
3 years ago
Which choice is equivalent to the expression below? square root of -64
Anna [14]

Step-by-step explanation:

\sqrt{ - 64 }  =  - 8

so the answer you got pls mark branlist

8 0
2 years ago
Read 2 more answers
35.00 (each). You have a coupon for %10 off . How much is the total cost with the discount ?
nata0808 [166]

Answer:

$31.50

Step-by-step explanation:

35-10%=31.5


8 0
3 years ago
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