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lbvjy [14]
3 years ago
14

Consider the expressions shown below Complete each of the following statements with the letter that represents the expression.

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0

Answer:

Expression 1 is equal to B

Expression 2 is equal to A

Expression 3 is equal to C

Step-by-step explanation:

Step 1: Simplify 1st expression

3x² - 7x + 14 + 5x² + 4x - 6

8x² - 3x + 8

Step 2: Simplify 2nd expression

2x² - 5x - 3 - 10x² + 2x + 7

-8x² - 3x + 4

Step 3: Process of Elimination

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UPPER AND LOWER BOUNDARIES
const2013 [10]

Answer:

The minimum of a - b is 41.325

Step-by-step explanation:

Let us solve the question using upper and lower boundaries

∵ a = 49.0 rounded to 1 decimal place

∵ 1 decimal place means 0.1

→ Divide 0.1 by 2

∵ 0.1 ÷ 2 = 0.05

→ Add 0.05 to the rounded number to get the upper boundary

∵ 49.0 + 0.05 = 49.05

∴ The upper boundary = 49.05

→ Subtract 0.05 from the rounded number to get the lower boundary

∵ 49.0 - 0.05 = 48.95

∴ The lower boundary = 48.95

∴ The range of a is 48.95 ≤ a < 49.05

∵ b = 7.62 rounded to 2 decimal places

∵ 2 decimal place means 0.10

→ Divide 0.01 by 2

∵ 0.01 ÷ 2 = 0.005

→ Add 0.005 to the rounded number to get the upper boundary

∵ 7.62 + 0.005 = 7.625

∴ The upper boundary = 7.625

→ Subtract 0.005 from the rounded number to get the lower boundary

∵ 7.62 - 0.005 = 7.615

∴ The lower boundary = 7.615

∴ The range of b is 7.615 ≤ b < 7.625

To find the minimum value of a - b, use the smallest value of a and the greatest value of b

∵ The minimum of a - b = lower boundary of a - upper boundary of b

∴ The minimum of a - b = 48.95 - 7.625

∴ The minimum of a - b = 41.325

∴ The minimum of a - b is 41.325

5 0
3 years ago
A circle has a diameter of 10 cm. what is the circumference ?
satela [25.4K]

Answer:

5

Step-by-step explanation:

All u gotta do is split it in half

5 0
3 years ago
Read 2 more answers
I'm going to try this one more time...
irina [24]

Answer and Step-by-step explanation:

<u>C and D  is the answer.</u>

It needs a lot of mass so that it can collapse on itself to form a black hole, and when it dies, it also collapses on itself, forming a black hole.

A is incorrect because the mass of our sun hasn't made it to collapse, and it still has some billions of years before the mass increases.

B is incorrect because the hydrogen needs to be depleted in order for the sun/star to start the nuclear process.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

3 0
3 years ago
Work out the difference between 25 and of 81 2/9
Elis [28]

That is the differnce between the 2 numbers and it is in a negative because the second number was bigger than the first number so if you don't need the negative don't put it in your answer

8 0
2 years ago
If a shape is a rhombus then the diagonal are perpendicular
Delvig [45]

Question

If a shape is a rhombus then the diagonal are perpendicular?

Answer:

The Correct Is True Or Yes.

the diagonals of a rhombus are perpendicular, and that they intersect at the midpoints of both.

if the diagonals of a parallelogram are perpendicular, then it's a rhombus

{Hope this helps!!}

-BobaYoda-

5 0
3 years ago
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