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matrenka [14]
3 years ago
10

Problem Solving World

Mathematics
2 answers:
jonny [76]3 years ago
7 0

Answer:

46

Step-by-step explanation:

To solve this, add.

28 + 18 = 46

GalinKa [24]3 years ago
7 0

AYEEEEEEEEEEE NIGWARD

Answer: 28 + 18 = they have 46 cards altogether.

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anygoal [31]
<span>4</span>\frac{188}{231}
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2 years ago
Word problem
Vlad [161]

Answer:

p=2

Step-by-step explanation:

4.05p+14.40=4.50(p+3)          < equation

4.05p+14.40=4.50p+13.50     < multiply

14.40=.45p+13.50                   < subtract

.9=.45p                                    < subtract

2=p                                          < divide

5 0
3 years ago
Read 2 more answers
Write down the rules for multiplication and division of whole numbers​
MAXImum [283]
As division is the inverse of multiplication, the rules for division are the same as the rules for multiplication. So when multiplying and dividing positive and negative numbers remember this: If the signs are the same the answer is positive, if the signs are different the answer is negative.
8 0
3 years ago
252n+1 = 625<br> lve each equation. Round ans<br> Whats the answer
fenix001 [56]

Answer:

N=2.476

Step-by-step explanation:

4 0
3 years ago
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Solve for x. <br>0.71= 1/2(9.8) x^2. ​
Fudgin [204]

Answer: 0.38065

in simpler terms x=±  0.145  =±0.38065

Step-by-step explanation: -490x2+71 = 0  

Subtract  71  from both sides of the equation :  

                     -490x2 = -71

Multiply both sides of the equation by (-1) :  490x2 = 71

Divide both sides of the equation by 490:

                    x2 = 71/490 = 0.145

 

When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:  

                     x  =  ± √ 71/490  

The equation has two real solutions  

These solutions are  x = ±√ 0.145 = ± 0.38065  

5 0
3 years ago
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