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stich3 [128]
3 years ago
11

Find the volume of a right rectangular prism with a length of 4 units, a width of 3 units, and a height of 5 units. A. 12 cubic

units B. 23 cubic units C. 30 cubic units D. 60 cubic units
Mathematics
2 answers:
GaryK [48]3 years ago
8 0
Awnser 60 because if you found the volume it would match
Aleksandr [31]3 years ago
3 0

Answer: 60

Step-by-step explanation:

V = w h l = 3 x 5 x 4 = 60

Hope this helped, if not i can do the problem again :)!

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A cow can give 5 gallons of milk if it eats 2 pounds of grass. Express x in terms of y, where y is the number of gallons of milk
spayn [35]

Answer:

x = 2.5y

Step-by-step explanation:

If a cow can give 5 gallons of milk after eating 2 pounds of grass.

Let's consider 'x' is the number of pounds of grass it eats and 'y' is the number of gallons of milk the cow gives.

Hence,

5y = 2x

We will simplify it to get what x equal to y by dividing 2 on both side we find,

x = 2.5y

x is equal to 2.5 y

By eating 1 pound of grass cow can give 2.5 gallons of milk.

7 0
3 years ago
Select the correct answer.
schepotkina [342]

Answer:

He drove the rest of the trip at 30 miles per hour

Step-by-step explanation:

The rule of the distance is D = v × t, where

  • v is the speed
  • t is the time

∵ It is 170 miles from Bruce's house to the city where his brother lives

∴ D = 170 miles

∵ He drove for 2 hours at 55 miles per  hour

∴ t1 = 2 hours and v1 = 55 miles/hour

→ By using the rule above find the distance of this part of his trip

∴ D1 = 55 × 2 = 110 miles

∵ The rest of the trip took 2 hours

∴ t2 = 2 hours

∵ D = D1 + D2

→ Substitute the values of D and D1 to find D2

∴ 170 = 110 + D2

→ Subtract 110 from both sides to find D2

∴ 60 = D2

∴ D2 = 170 - 110 = 60 miles

∵ The rest of the trip is 60 miles

∵ It took 2 hours

∵ D2 = v2 × t2

∴ 60 = v2 × 2

→ Divide both sides by 2

∴ 30 = v2

∴ v2 = 30 miles/hour

∴ He drove the rest of the trip at 30 miles per hour

3 0
3 years ago
SOLVING EQUATIONS
Andrei [34K]

Answer:

4x + 19 = -21

Step-by-step explanation:

4(-10) + 19 = -21

-40 + 19 = -21

3 0
3 years ago
-3 -9 Which is the simplified form of (90-9 ot (90 °)?​
Marysya12 [62]

Answer:

I believe it is -3, althought -9 would work it needs to be simplified as low as possible and 3x3=9, therefore you can simplify 9 to 3.

Step-by-step explanation:

7 0
3 years ago
What is the equation of the line shown in this graph?<br><br><br><br> Enter your answer in the box
IgorLugansk [536]
This is a horizontal line at y = -3. If you want to find it mathematically, you could find the slope (y2-y1)/(x2-x1) and you would get 0 over 5, so you know the slope is zero. Pick either point and substitute the numbers into point-slope formula. I went with (3, -3) and got (y - -3) = 0(x-3). The right side is just 0, and if you subtract three from both sides to isolate y, you get the equation y = -3.
3 0
3 years ago
Read 2 more answers
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