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steposvetlana [31]
3 years ago
11

HELPPPP PLEASE!!!! Don't understand

Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer: 20% is your answer


Step-by-step explanation:

180-150=30

30 divided by 150 = .2 which is 20%

laiz [17]3 years ago
4 0

Answer:

The answer is B. 20%

It helps to use properties of multiplication and division.

Also, you can think of 20% as \frac{20}{100}

Hope this helps


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Written as a simplified polynomial in standard form, what is the result when
kompoz [17]

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8 0
2 years ago
Three more than the quotient of a number and 4 is equal to 8
inn [45]
3+ x/4=8


................

..
6 0
3 years ago
Y - 8 = -10<br> How do I verify the solution ?
prisoha [69]

Answer:

y = -2

Step-by-step explanation:

<u>SOLUTION :-</u>

Solve the equation.

  • Add 8 to both sides in order to isolate the equation.

=> y - 8 + 8 = -10 + 8

=> y = -2

∴ y = -2

<u>VERIFICATION :-</u>

To verify the solution of y , just put the solution (y = -2) in place of y in equation and check whether L.H.S = R.H.S.

L.H.S :-

-2 - 8 = <u>-10</u>

R.H.S. :-

<u>-10</u> (already given)

⇒L.H.S. = R.H.S. (verified)

4 0
2 years ago
Does anyone know this question???
natima [27]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A poster is to have a total area of 125 cm2. There is a margin round the edges of 6 cm at the top and 4 cm at the sides and bott
jeka57 [31]

Answer:

The correct answer is 15 cm.

Step-by-step explanation:

Let the width of the required poster be a cm.

We need to have a 6 cm margin at the top and a 4 cm margin at the bottom. Thus total margin combining top and bottom is 10 cm.

Similarly total margin combining both the sides is (4+4=) 8 cm.

So the required printing area of the poster is given by {( a-10 ) × ( a - 8) } cm^{2}

This area is equal to 125 cm^{2} as per as the given problem.

∴ (a - 10) × (a - 8) = 125

⇒ a^{2} - 18 a +80 -125 =0

⇒ a^{2} - 18 a -45 = 0

⇒ (a-15) (a-3) = 0

By law of trichotomy the possible values of a are 15 and 3.

But a=3 is absurd as a > 4.

Thus the required answer is 15 cm.

7 0
3 years ago
Read 2 more answers
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