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MAVERICK [17]
3 years ago
6

need help ASAP!! (If you have the right answer and sends in less than and hour I will give brainliest) (15 points)

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
7 0

Answer:

Step-by-step explanation:

1. Wrong because 9.75/5 is 1.95

2. Correct because 280/8 is 35. 35 times 10 is 350.

3. Correct because 140/10 is 14. 14 times 12 is 168.

4. Correct because 12.50/10 is 1.25. 1.25x 7 is 8.75  

5. Wrong beacuse 60/5 is 12.

Anika [276]3 years ago
4 0

Answer:

The first and last statement is wrong, but the three in between is correct. I hope that helps :-)

Step-by-step explanation:

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The vertex form of the equation of a parabola is y = 2(x + 3)2 - 5. What is the standard form of the equation?
svet-max [94.6K]
Hello : 
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What is the answer please 2(4 + 2z) =
Alika [10]

Answer: It would be 8+4z  because you can't add a variable.

4 0
3 years ago
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A train leaves at 11:32 and arrives at 13:24. It travelled at an average speed of 85 km/h.
Blababa [14]

Answer:

<h2>33.2Km</h2>

Step-by-step explanation:

<h3>Time used for journey = </h3>

13 : 24 - 11 : 32 = 1 : 92

1 : 92 = 1 hour 92 minutes

1 hour 92 minutes = 2 hours 32 minutes

<h3>changing 32 minutes to hours</h3>

1 h = 60 min

x = 32 min

x= 32 /60

x= 8/15 hours

<h3>Adding the 2hours to 8/15 hours</h3>

8/15 h + 2 h = 38 / 15

<h3>Using formula for distance</h3>

Distance = Speed × Time

Distance = 85km / h × 38 /15 h

Distance = 33.15 km

To 1DP = 33.2

3 0
2 years ago
I REALLY NEED HELP, PLEASE HELP !! WORTH 30 POINTS !!
valina [46]

Answer:

2/9

Step-by-step explanation:

y=6(3)^x

Let x =-3

y = 6 * 3^-3

Remember negative exponents move it from the numerator to the denominator

y = 6 *1/3^3

y = 6 * 1/27

y = 6/27

y = 2/9

8 0
3 years ago
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