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Alex_Xolod [135]
3 years ago
10

Use the distributive property to write an expression equivalent to 5✖️(3+4)

Mathematics
2 answers:
irinina [24]3 years ago
8 0
15+20=35 i think is the answer :D
Hope this helps :D
Thepotemich [5.8K]3 years ago
7 0
A possible answer would be 15+20 because you are distributing the 5 into the 3 and the 4 by multiplying.
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Kevin and Randy Muise have a jar containing 32 ​coins, all of which are either quarters or nickels. The total value of the coins
givi [52]

Answer:

19 quarters and 13 nickles

Step-by-step explanation:

You have 32 coins in your pocket consisting of nickels and quarters with a total value of $5.40

How many nickels and quarters do you have?

Step 1: Setup Coin Value and Coin Total Equation:

Coin Value Equation → 0.05n + 0.25q = $5.40 where n = nickels and q = quarters

Coin Total Equation → n + q = 32

Step 2: Rearrange Coin Total Equation in terms of nickels (n)

n = 32 - q ← Revised Coin Total Equation

Step 3: Plug in our Revised Coin Total Equation for n into our Coin Value Equation:

0.05(32 - q) + 0.25q = $5.40

0.05(32) - 0.05(q) + 0.25q = $5.40

1.6 - 0.05q + 0.25q = $5.40

1.6 + (0.25 - 0.05)q = $5.40

1.6 + 0.2q = $5.40

Step 4: Subtract 1.6 from each side of the equation to isolate q

1.6 - 1.6 + 0.2q = $5.40 - 1.6

0.2q = 3.8

Step 5: Divide each side of the equation by 0.2 to isolate q

0.2q

0.2

=

3.8

0.2

q = 19

Step 6: Using our value for q, Solve for n using our Coin Total Equation:

n + 19 = 32

Subtracting 19 from both sides, we get n + 19 - 19 = 32 - 19

n = 13

Summarizing our word problem, we see that 19 quarters and 13 nickels adds up to $5.40

8 0
2 years ago
5y2 + y + 2y2 – 7y - 5y2 + 4x<br> How to simplify
Damm [24]
Combine like terms to get 2y2-2y+4x
3 0
2 years ago
What is the property of -8+3 = 3+ (-8)
Marizza181 [45]

Answer:

12

Step-by-step explanation:

its not 12 im just trying to make an account

7 0
3 years ago
Marsha sees an airplane flying overhead. The spot on the ground that is directly under the plane is 3,600 feet from Marsha's hou
Rudiy27

The elevation of the plane is 3600 ft

Let

  • h = elevation of plane,
  • d = distance from Marsha's house to spot on ground below plane = 3600 feet and
  • Ф = angle of elevation of plane = 45°

From the triangle, we have the trigonometric ratio

tanФ = h/D

<h3>Elevation of the plane</h3>

Making h subject of the formula, we have

h = DtanФ

substituting the values of the variables into the equation, we have

h = DtanФ

h = 3600 ft × tan45°

h = 3600 ft × 1

h = 3600 ft

So, the elevation of the plane is 3600 ft

Learn more about elevation of the plane here:

brainly.com/question/26380084

7 0
2 years ago
the length of a rectangle is 5ft longer than it's width. if the perimeter of the rectangle is 34ft, find it's area?
galina1969 [7]
2X + (2X+10)= 34

Width is 6, Length is 11

6 x 11 is 66

Area is 66
7 0
3 years ago
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