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konstantin123 [22]
3 years ago
14

Is 4X -3 = 19 true false or open

Mathematics
1 answer:
Ber [7]3 years ago
5 0
4x=19+3
4x=22
X=22/4
X=5.5
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Three years ago, Andy invested $7,000 in an account that earns 10% interest compounded annually.
Serggg [28]
Andy has $9317.00, to find your answer, do y=7000(1.10)^3 and you get 9317.
7 0
3 years ago
Please help me please
larisa [96]

Answer:

7 pieces

Step-by-step explanation:

Hope it helps.

5 0
2 years ago
Can someone help me
Llana [10]

3x + 4x +5x = 54   (because the perimeter = sum of its dies)

12x = 54

x = 4.5

So the 3 sides are 3*4.5 , 4*4.5 and 5*4.5

= 13.5, 18 and 22.5  units (answer)

7 0
3 years ago
Solve the following equation for a number x. verify that your solution is correct 7(2x+5=4x-9-x
Kisachek [45]
7(2x+5)=4x-9-x
14x+35=3x-9
11x = -44
x = -4

7(2*-4+5)=4*-4-9--4
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8 0
2 years ago
What is the sum of the fractions? Use the number line and equivalent fractions to help find the answer.
Alchen [17]
<h3>Answer:  -3/4  (choice C)</h3>

==================================================

Explanation:

Think of a whole cake or pizza. Now slice it into 4 equal pieces. This represents 1 is the same as 4/4.

Adding on another quarter slice gets us 4/4+1/4 = 5/4

In other words, the mixed number 1 & 1/4 is the same as the improper fraction 5/4.

So 1 & 1/4 = 5/4

This then means -1 & 1/4 = -5/4 because we multiply both sides by -1.

Now we'll add on 1/2, which is the same as 2/4, like so

(-1 & 1/4) + 1/2

-(1 & 1/4) + 2/4

-(1 + 1/4) + 2/4

-1 - 1/4 + 2/4

-1 + (-1/4 + 2/4)

-1 + 1/4

-4/4 + 1/4

-3/4

which points us to choice C as our final answer

Notice how if we started at -5/4, and moved to the right 2 tickmarks, we arrive at -3/4. Each tickmark represents 1/4 of a unit, so two of them is 2/4 = 1/2.

Side note: -3/4 converts to the decimal -0.75

6 0
3 years ago
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