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Dima020 [189]
3 years ago
8

PLEASE HURRRY!!!

Mathematics
2 answers:
qaws [65]3 years ago
5 0

Answer:

3- 6 hours

4- 41 lbs

5- 53 dogs

Step-by-step explanation:

3. 480/24= 20  

20= miles per hour

6 hours to travel 120 miles

4. 135/62= 2.18

2.18= cost of tomato per pound

90/2.18= 41.28 lbs or 41 lbs

3. 3/5=32/x

cross multiply

3x=160

divide both sides by 3

x=53.3 or 53

ziro4ka [17]3 years ago
5 0

Answer:

3. 6 hours

4. 70 tomatoes

5. 53 cats

Step-by-step explanation:

Find the unit value of the units and then divide them by the other numbers. Sorry this explanation isn't good. I need to run.

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There are 3 students to 1 adult on a field trip.You need to find the number of adults needed for 24 students. What would the sec
AysviL [449]

Answer: 24 : 8   <em>or   </em>24 to 8

Step-by-step explanation:

Let the number of adults be x

3/1 = 24/x .     We have to do cross multiplication,

24 = 3x

 x = 8

4 0
3 years ago
Nancy wants to sell 54 CD'S to her 6 friends for 5.00 each. How much will Nancy receive from selling her CD's? If each friend bu
alekssr [168]

Answer:

she will make $270 and each friend buys 9 CD's

Step-by-step explanation:

To find the money she makes take the CDs and multiply it times the money each one costs. To find the amount each friend buys divide the cds by th amount of friends

8 0
3 years ago
4y = 5x is this a direct variation?
Alenkasestr [34]

Answer:

5/4

Step-by-step explanation:

4y = 5x Divide by 4

y = (5/4) x

To make y = kx from y = (5/4) x

k must be (5/4)

k = 5/4

3 0
2 years ago
The vertex of a parabola is (0,0)and the focus is (1/8, 0) . What is the equation of the parabola?
Aleonysh [2.5K]

The equation of a parabola whose vertex is (0, 0) and focus is (1 / 8, 0) is equal to x = 2 · y².

<h3>How to derive the equation of the parabola from the locations of the vertex and focus</h3>

Herein we have the case of a parabola whose axis of symmetry is parallel to the x-axis. The <em>standard</em> form of the equation of this parabola is shown below:

(x - h) = [1 / (4 · p)] · (y - k)²     (1)

Where:

  • (h, k) - Coordinates of the vertex.
  • p - Distance from the vertex to the focus.

The distance from the vertex to the focus is 1 / 8. If we know that the location of the vertex is (0, 0), then the <em>standard</em> form of the equation of the parabola is:

x = 2 · y²     (1)

The equation of a parabola whose vertex is (0, 0) and focus is (1 / 8, 0) is equal to x = 2 · y².

To learn more on parabolae: brainly.com/question/4074088

#SPJ1

5 0
2 years ago
Solve for f (-3) for f (x) = 1 -x<br> f (-3) = [ ? ]
Lostsunrise [7]
F(x) = 1 - x
f(-3) = 1 - (-3)
f(-3) = 4
3 0
3 years ago
Read 2 more answers
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