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aliya0001 [1]
2 years ago
6

In triangle ABC, AB = 2x cm, AC = x cm, BC = 21 cm and angle BAC = 120°. Calculate the value of x.​

Mathematics
2 answers:
umka21 [38]2 years ago
7 0

Answer: here, mark me as brainliest if you want please

Rina8888 [55]2 years ago
4 0

Step-by-step explanation:

tmeioquprmuemgtqouogmuspmheouenvemfwxcygwqwdyq sr

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Blueberries cost $4 per pound for each question explain how you show your reasoning music table to help you organize information
aleksley [76]

Answer:

1. Either none (if you have to buy a whole pound), or 1/4 of a pound

2. 3 whole pounds or 3 and 1/4 pounds

Step-by-step explanation:

If $4 = 1 pound, then we know that $1 (which is 1/4 of $4), will let you by 1/4 pound of blueberries. Knowing this, we can simply:

Add up the one fourths

do 1/4 times $$

See how many times 4 goes into the number of dollars you have

Please correct me if I'm wrong :)

5 0
2 years ago
What is a 10% margin increase on 1,810.69?
Elis [28]

Answer:

1991.759

Step-by-step explanation:

1810.69×%10=181.069

1810.69+181.069=1991.759

7 0
2 years ago
A restaurant customer left ​$1.30 as a tip. The tax was 5% and the tip was 10​% of the cost including tax.
Nana76 [90]

#A

Tax is not required as there is 10%off the cost including tax.

#B

\\ \sf\Rrightarrow 10\%\:of\:1.30

\\ \sf\Rrightarrow 0.13

total bill:'

\\ \sf\Rrightarrow 1.30+0.13=1.43

3 0
2 years ago
Read 2 more answers
In the ordered (7,8) which number is the X COORDINATE?
PSYCHO15rus [73]

Answer:

7

Step-by-step explanation:

(x,y)

8 0
2 years ago
Read 2 more answers
How do you do this ?
jeka57 [31]

Answer: 3(x^2 + 4)/(x - 5)(x + 4)

Step-by-step explanation:

To simplify, begin with 3x^2 + 12 by dividing by 3 first: 3(x^2 + 4)

x^2 - x - 20 can be simplified into (x - 5) (x + 4). To find these terms, you have to figure out what two numbers multiply together to equal -20 but also add to -1.

4 0
3 years ago
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