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dalvyx [7]
3 years ago
12

1. A girl scout troop uses 14 flashlight batteries on a three-night camping trip. If they are planning a seven-night trip, how m

any batteries should they bring?
2. Three pumps can remove a total of 1700 gallons of water per minute from a flooded mineshaft. If engineers want to remove at least 5500 gallons per minute, how many pumps will they need operating?

3.Geologists in Antarctica find an average of 7 meteorite fragments in every 500 tons of gravel they sift through. How much gravel must they sift through in order to get 100 fragments?

4. A case of 24 tennis balls weighs 3 pounds. How much would a shipment of 2560 tennis balls weigh?

5. A cookie recipe calls for 3 eggs and makes 4 dozen cookies.
a. How many (dozen) cookies could you make with a dozen eggs?
b. How many eggs would you need to make 18 dozen cookies?

6. A map of Connecticut is drawn to a scale where 2 inches on the map represents 35 miles.
a. If Greenwich and Stonington are 105 miles from each other, how far apart do they appear on the map?
b. On this same map the road from Mystic to Hartford is 11⁄2 inches long. How far apart are Mystic and Hartford?

7. Will’s Widget Works can produce 21⁄2 tons of widgets in an 8 hour work day.
a. How many widgets can Will’s Widget Works produce between 9 am and noon?
b. McGee Manufacturing, Inc. needs to order 17 tons of widgets. How many work days will it take Will’s Widget works to fill this order?

8. The ratio of boys to girls in Ms. Alper’s math classes is 5 ∶ 7. If there are 60 students in all of her classes, how many are boys?
Mathematics
1 answer:
yanalaym [24]3 years ago
3 0
Answer to 4.
About 106.66
If they ask if a rounded answer it would be 107. You just divide 2560 by 24 because you know 24 balls is 3 pounds.
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Please help!!<br> I need it quick!!!
sladkih [1.3K]

Answer:

-13 \frac{13}{25}

Step-by-step explanation:

To multiply fractions with both the fraction and whole number you must convert it to an improper fraction by multiplying the whole numbers by the denominators, which you would get 35 for the first fraction and -10 for the second, then you must add the numerators to that number and put the number into the numerator spot. at this point you should have \frac{39}{7} and \frac{-12}{5}.

Now, multiply the numerators by the numerators and the denominators by the denominator and keep it aligned so the products stay in fraction form. now you should have \frac{-468}{35} .

Divide the numerator by the denominator to get the whole number, in this problem that comes out to 13. The remainder of this division becomes the new numerator which in this case would also be 13 and the denominator stays the same so now you have -13\frac{13}{35} which is the answer

Hope i helped!

3 0
3 years ago
Read 2 more answers
The density of aluminum is 2.375 grams per cubic centimeter. Find the volume of a portion of a sheet of aluminum that has a mass
Rufina [12.5K]
This is the concept of density, volume and mass of different materials; To calculate for the volume of an aluminium material with density of 2.375 grams per cubic centimeter and a mass of 0.78 Kilogram we proceed as follows;
Density=mass/volumemaking volume the subject we get;volume=mass/densitythus;mass=0.78 kg= 780 gdensity=2.375 g/cm^3Hence,volume=780/2.375=328.421 cm^3

4 0
3 years ago
Which one is the right answer
Ierofanga [76]

Answer:

90 degrees

Step-by-step explanation:

if you add a line from point B to point D, you will make a square and all sides are equal to 90 degrees.

use angle 3 and 4 which equal 90. divide that by 2 and each side is equal to 45. since we know that all sides are equal, angle 3 is equal to angle 2. so from here you add 45 + 45 and get 90 degrees.

HOPE THIS HELPS. can i have brainliest please?

4 0
3 years ago
Read 2 more answers
Need help, please need help
Montano1993 [528]

Answer:

Step-by-step explanation:

thats your problem learn how to pay attention lol

4 0
3 years ago
If answered and explained properly, BRAINLIEST will be given.
ale4655 [162]

so initially the paper is in full piece.

it is cut into half, which makes into 2. this is pattern 1.

then the halves is further divided in to 2.

then the total becomes 4. then the four pieces are cut into halves, which makes the total of 8 pieces, that is pattern 3..

is if we see the pattern it is a geometric progression.

Tn=ar²-¹ where the r is common ratio

and a is the first term. the question mentioned repeat 15 times.

1. 2

2. 4

3. 8

4. 16

4÷2=2 the common ratio.

So T(15)= 2×2¹⁵-¹

2×2¹⁴

2¹⁵

32768 pieces

please mark brainliest.

8 0
3 years ago
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