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Angelina_Jolie [31]
3 years ago
15

1. If 4.75x = 12.35, what is the value of x?

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer:

1. x = 2.6

2. 7x + 1

Step-by-step explanation:

1. If 4.75x = 12.35, what is the value of x?

The equation is 4.75x = 12.35

The value of x can be determined by dividing both sides of the equation by 4.75

4.75x / 4.75 = 12.35 / 4.75

x = 2.6

2. What is 3x + 2 + 4x - 1 after combining like terms

Combining terms with variable x and constant terms (without any variable)

3x + 2 + 4x - 1

3x + 4x + 2 - 1

7x + 1

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The height of a vase is 45.7 centimeters when rounded to the nearest tenth of a centimeter. What is the shortest possible height
vlada-n [284]

Answer:

45.650 centimeters

Step-by-step explanation:

The height of a vase is 45.7 centimeters when rounded to the nearest tenth of a centimeter. What is the shortest possible height of the vase? Give your answer to 3 decimal places

Given that :

Height of vase = 45.7 when rounded to the nearest tenth

The shortest possible height of the vase : will be 45.65, this is because, the subsequent digit (hundredth) after the tenth digit is the figure rounded to give a tenth digit of 7

From the we know that the tenth digit before rounding is 7 - 1 = 6

And smallest possible value the hundredth placed digit could have in other to be rounded to 1 is 5.

To three decimal place, the thousandth placed value could take the least possible value in a digit series, which is 0

Hence, the shortest possible height of the vase = 4.650

4 0
2 years ago
Expand the polynomial (x2 − y2)2 + (2xy)2, then simplify it by combining like terms.
Vlada [557]
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8 0
3 years ago
NEED HELP IN FINDING AREA
Aliun [14]

Answer:

809 km²

Step-by-step explanation:

I can split this into 3 rectangles. One is 25 by 17, another is 24 by 13, and the last one is 6 by 12. (I had gotten 13 for the second rectangle because 25 - 12 = 13.)

(25 * 17) + (24 * 13) + (6 * 12) <em>{17 is the first number after a multiple of 4 (16). As a result, 25 by 17 will end in "25." 25 by 17 is 425.}</em>

425 + (24 * 13) + (6 * 12) <em>{24 by 13 is 312.}</em>

425 + 312 + (6 * 12) <em>{6 by 12 is 72.}</em>

425 + 312 + 72 <em>{From left to right, add 425, 312, and 72 to get 809}</em>

737 + 72

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The area of this figure is 809 km².

5 0
3 years ago
PLEASE PLEASE HELP
noname [10]

Answer:

8.51x10^{-3}cm

Step-by-step explanation:

In order to add or subtract numbers in scientific notation, the powers of ten must have the same exponent.  In this caes the diameter of an average human body cell is a power of -4 and the diameter of a plant cell is a power of -3.  In order to add them, we can move the decimal over for the body cell diameter:

5.1x10^{-4}=0.51x10^{-3}

Add the two values: 0.51x10^{-3}+8x10^{-3}=8.51x10^{-3}cm

7 0
3 years ago
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