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Sever21 [200]
3 years ago
9

Plz help with math!

Mathematics
1 answer:
Yuliya22 [10]3 years ago
7 0
2. opposite reciprocal
3. domain
4. range
7. solution
8. root and zero

not 100% sure on 7,8,9
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The Yellow Cab Company charges just $0.25 a mile, but it costs $5 to get in the cab. Express
Verizon [17]
Yellow Cab : y = 0.25x + 5
Express Cab: y = 1.5x
a) Yellow Cab: 1.75 + 5 = 6.75
Express Cab: 1.5 * 7 = 10.5
YELLOW CAB
b) Yellow Cab: 0.75 + 5 = 5.75
Express Cab: 1.5 * 3 = 4.5
EXPRESS CAB
c) 0.25x + 5 = 1.5x
1.25x = 5
x = 4
4 MILES
3 0
3 years ago
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Is 32,643 divisible by both 3 and 9?
Oksi-84 [34.3K]
32,643/3=10,881      YES IT IS DIVISIBLE
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3 years ago
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Barack walks 2 kilometers south and then x kilometers east. ​ ​He ends 5 kilometers away from his starting position. ​ ​ Find x
amid [387]

Answer:

4.6 km

Step-by-step explanation:

-This is a Pythagorean Theorem problem where the distances walked are effectively the base and height of the imaginary right triangle thereof.

#Apply Pythagorean theorem to solve:

b^2+h^2=H^2\\\\2^2+x^2=5^2\\\\x^2=5^2-2^2=21\\\\x=\sqrt{21}\\\\x=4.58\  km

\approx 4.6\ km

Hence, the distance x is 4.6 km

7 0
3 years ago
There are 5 times as many males as females on the maths course at university. What fraction of the course are female?
Valentin [98]

Answer:

1/5 are females i think

Step-by-step explanation:

4 0
3 years ago
A merchant has coffee worth $20.00 per pound that she wishes to mix with 70 pounds of coffee with​ $90.00 per pound to get a mix
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20x-1000 +4000 = 60x

20x-60x= -4000 +1000

-40x= -3000

x= -3000/-40

75 The mix will be 75 lbs

And $20 coffee will be 75 -50 = 25lbs


6 0
3 years ago
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