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aleksandr82 [10.1K]
2 years ago
11

Two times one number added to three times a second number is 21.

Mathematics
1 answer:
il63 [147K]2 years ago
5 0

Answer:

x =  -  \frac{9}{17}   \:  \: y =  \frac{125}{17 }

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PLEASE EXPLAIN and Help me solve this<br> thank you!!!
Nina [5.8K]

Answer:

it could be drawn using maths

3 0
3 years ago
25POINTS!!!
irina [24]

Answer:

10.8 cm

Step-by-step explanation:

Using cosine law

g² = 7.1² + 6.7² - 2(7.1)(6.7)cos(103)

g² = 116.7018433

g = 10.80286274

5 0
3 years ago
Which expressions show how 8 • 54 can be rewritten using the distributive property? Choose all answers that are correct.
irga5000 [103]
Answer choice B is using the distributive property.
6 0
3 years ago
What is 6.42 x 10^23 in standard notation
katrin2010 [14]

Answer:

642000000000000000000000

Step-by-step explanation:

8 0
3 years ago
Brad sold candy bars and cookies for a fundraiser at school. Candy bars sold for $3, and cookies sold for $5. He sold a total of
sergejj [24]
He would’ve sold 12 candy bars.

12x3=36

He only sold 20 items so that leaves 8 cookies

5x8=40

40+36=76$
7 0
3 years ago
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