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Alenkinab [10]
3 years ago
14

PLEASE HELP ME ASAP I WILL GIVE BRAINLEST!!!

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0

Answer:

\frac{9}{20}  + \frac{5}{20}  =  \boxed{ \frac{7}{10} }

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Rasheed needs to say $231 to earn money he plans to wash cars and charge $12 for car right to estimates Rasheed could use to det
geniusboy [140]
About 20 cars. Easiest way to figure it out is do 231$ divides by 12$ and get 19.25, so 20.
6 0
3 years ago
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Jamie is a salesperson in a shoe store and earns $95 per week, plus 20% of her weekly sales. If Jamie makes $475 in one week, wh
Dovator [93]
475 - 95 = 380 = 20% of sales
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Hope this helps!
4 0
3 years ago
Idk this bs its stupid.?!
LekaFEV [45]

Answer:y=-3/2x-1

Step-by-step explanation:-3/2 is your slope which is your m and -1 is your b x is left alone.

7 0
3 years ago
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4, Find a number x such that x = 1 mod 4, x 2 mod 7, and x 5 mod 9.
olchik [2.2K]

4, 7 and 9 are mutually coprime, so you can use the Chinese remainder theorem.

Start with

x=7\cdot9+4\cdot2\cdot9+4\cdot7\cdot5

Taken mod 4, the last two terms vanish and we're left with

x\equiv63\equiv64-1\equiv-1\equiv3\pmod4

We have 3^2\equiv9\equiv1\pmod4, so we can multiply the first term by 3 to guarantee that we end up with 1 mod 4.

x=7\cdot9\cdot3+4\cdot2\cdot9+4\cdot7\cdot5

Taken mod 7, the first and last terms vanish and we're left with

x\equiv72\equiv2\pmod7

which is what we want, so no adjustments needed here.

x=7\cdot9\cdot3+4\cdot2\cdot9+4\cdot7\cdot5

Taken mod 9, the first two terms vanish and we're left with

x\equiv140\equiv5\pmod9

so we don't need to make any adjustments here, and we end up with x=401.

By the Chinese remainder theorem, we find that any x such that

x\equiv401\pmod{4\cdot7\cdot9}\implies x\equiv149\pmod{252}

is a solution to this system, i.e. x=149+252n for any integer n, the smallest and positive of which is 149.

3 0
3 years ago
Help please and thank you!
Len [333]

Answer:

y = 2/5x + 3

Step-by-step explanation:

7 0
3 years ago
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