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Over [174]
3 years ago
8

The cross country team ran 1.797 hours yesterday and 1.56 hours today. Each member of the team ran 3.4 miles every hour. How man

y miles did each member run yesterday
Mathematics
1 answer:
nignag [31]3 years ago
7 0

Answer:

6.1098 miles.

Step-by-step explanation:

To find the answer to this question, multiply the miles per hour by the amount of hours they ran.

1.797 (hours they ran yesterday) * 3.4 (miles per hour)

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For a field trip, the school bought 47 sandwiches for $4.60 each and 39 bags of chips for $1.25 each. How much did the school sp
NNADVOKAT [17]

Answer:  \$264.95

Step-by-step explanation:

You know that 1 sandwich costs $4.60 and the school bought 47 sandwiches.

Therefore, in order to calculate the total cost of 47 sandwiches, you need  to multiply this number of sandwiches bought by the schoole, by the cost of 1 sandwich. Then:

sandwiches=(47)(\$4.60)\\\\sandwiches=\$216.2

You know that 1 bag of chip costs $1.25 and the school bought  39 bags of chips.

So, in order to calculate the total cost of  39 bags of chips, you must  multiply the total number of them bought by the school, by the cost of 1 bag of chips.

Then:

bag\ of\ chips=(39)(\$1.25)\\\\bag\ of\ chips=\$48.75

Therefore, the total amount school spent was:

Total\ spent=\$216.2+\$48.75\\\\Total\ spent=\$264.95

8 0
3 years ago
Read 2 more answers
2. How many real number solutions are there to the equation 0 =-3x2 + x - 4?
goblinko [34]

For this case we have the following quadratic equation:

-3x ^ 2 + x-4 = 0

Where:

a = -3\\b = 1\\c = -4

By definition, the discriminant of a quadratic equation is given by:

d = b ^ 2-4 (a) (c)

We have to:

d> 0: Two different real roots

dTwo different complex roots

d = 0: Two equal real roots

Substituting the values we have:

d = 1 ^ 2-4 (-3) (- 4)\\d = 1-48\\d = -47

So, we have two different complex roots

Answer:

Two different complex roots

7 0
3 years ago
What percentage of 95 is 19
Nutka1998 [239]

Answer:

2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
hank has a triangular rug in his bedroom. the perimeter of the rug is 14 feet . two of the side lengths are 6 feet . what is the
Mariana [72]

Answer:

The 3rd side of the rug is 2 ft long

Step-by-step explanation:

6+6=12

14-12=2

2 ft long

4 0
3 years ago
Plane traveled 1120 miles each way to Munich and back. The trip there was with the wind. It took 10 hours. The trip back was int
kotegsom [21]

Answer:

  • 84 mph and 28 mph

Step-by-step explanation:

Let the speed of plane is p and speed of the wind is w.

<u>Then we have:</u>

  • 10*(p + w) = 1120 ⇒ p + w = 112
  • 20*(p - w) = 1120 ⇒ p - w = 56

<u>Sum the two equations and solve for p:</u>

  • p + w + p - w = 112 + 56
  • 2p = 168
  • p = 84

<u>Find w:</u>

  • 84 + w = 112
  • w = 112 - 84
  • w = 28
6 0
2 years ago
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