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3 years ago

How many times does 4/5 go into 18/25?

Mathematics

1 answer:

Vinvika [58]3 years ago

6 0

Answer: 9/10 times

Step-by-step explanation:

Hi, to answer this question we simply have to divide 18/25 by 4/5

Mathematically speaking:

18/25 ÷ 4/5 = (18 x 5) / (25 x 4) = 90/100 = 9/10

In conclusion, the answer is 9/10 times.

Feel free to ask for more if needed or if you did not understand something.

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5x + 2y = 34 x= - 4y - 4

tiny-mole [99]

Answer:

y = -3

Step-by-step explanation:

So, first you need to plug in -4y-4 for x. So, 5(-4y-4) + 2y=34. Now, use the distributive property and now it will become -20y -20 + 2y = 34. Add like terms which would be -20y + 2y = -18y. Now the equation is -18y - 20 = 34. Now use inverse operations and add 20 to both sides. Then the equation will be -18y = 54. When you divide -18 on both sides, you get y=-3.

Hope this helps :)

3 0

3 years ago

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IgorC [24]

Answer:

240 grams

Step-by-step explanation:

720-480=240

5 0

3 years ago

Read 2 more answers

4x - 2y = -20 7x + 2y = -2

Brut [27]

Answer:

(-2, 6)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Solving systems of equations using substitution/elimination
Solving systems of equations by graphing

Step-by-step explanation:

Step 1: Define systems

4x - 2y = -20

7x + 2y = -2

Step 2: Rewrite systems

4x - 2y = -20

Add 2y to both sides: 4x = 2y - 20
Divide 4 on both sides: x = 1/2y - 5

Step 3: Redefine systems

x = 1/2y - 5

7x + 2y = -2

Step 4: Solve for y

Substitution

Substitute in x: 7(1/2y - 5) + 2y = =-2
Distribute 7: 7/2y - 35 + 2y = -2
Combine like terms: 11/2y - 35 = -2
Add 35 to both sides: 11/2y = 33
Isolate y: y = 6

Step 5: Solve for x

Define original equation: 7x + 2y = -2
Substitute in y: 7x + 2(6) = -2
Multiply: 7x + 12 = -2
Subtract 12 on both sides: 7x = -14
Divide 7 on both sides: x = -2

Step 6: Graph systems

Check the system.

8 0

3 years ago

Find the average speed of car if it travels 18km in 20 minutes.

Lena [83]

Answer:

$\boxed{\sf Average \ Speed = 54\ km/hr}$

Step-by-step explanation:

Given:

Distance = S = 18 km

Time = t = 20 min = 20/60 = 0.33 hours

Required:

Average Speed = <v> = ?

Formula:

Average Speed = Total Distance Covered / Total Time Taken

Solution:

A . S = 18 / 0.33

A.S = 54 km/hr

3 0

3 years ago

Read 2 more answers

Factor 16p4 - 24p3. find the factor

Stolb23 [73]

Answer:

8p^3 ( 2p -3)

Step-by-step explanation:

16p^4 - 24p^3

8*2* p^3 *p - 3*8*p^3

Factor out the common terms

8p^3 ( 2p -3)

5 0

3 years ago