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OLEGan [10]
2 years ago
14

(4√7 + √3) (√7 - 2√3) Solve by multiplying and simplifying radical expression

Mathematics
2 answers:
Ivenika [448]2 years ago
8 0

Answer:

-10.08

Please Mark Brainliest If This Helped!

OLga [1]2 years ago
3 0
22-7 (square root)21. or -10.8
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The width of a rectangle measures (2.5u+9.8)(2.5u+9.8) centimeters, and its length measures (1.5u+3.9)(1.5u+3.9) centimeters. Wh
icang [17]

Solution,

We have,

Width of rectangle, b = (2.5u+9.8) cm

Length of rectangle, l = (1.5u+3.9) cm

We need to find the expression for the perimeter of the rectangle. The formula for the perimeter of a rectangle is given by:

Perimeter = 2(l+b)

P = 2[(2.5u+9.8)+(1.5u+3.9)]

Collecting like terms

P = 2[(2.5u+1.5u)+(9.8+3.9)]

P=2(4u+13.7)

⇒ P = 8u+27.4

So, the expression for the perimeter of the rectangle is (8u+27.4) cm.

3 0
2 years ago
If the spray paint costs approximately $1.50 per foot of coverage, how much should the coach budget for the spray paint?
torisob [31]

Since the cost of the spray paint is approx $1.50,

The range for the cost of the spray paint is'

\pm0.05\text{ dollars}

Therefore, the coach budget should be between,

\begin{gathered} \text{for }+0.05\text{ dollars,} \\ =1.5+0.05=1.55\text{ dollars and,} \\ \text{for -0.05 dollars,} \\ =1.5-0.05=1.45\text{ dollars} \end{gathered}

Hence, the budget of the coach should be between $1.45 and $1.55.

4 0
1 year ago
I have to make an equation for example
vitfil [10]

Answer:

Both of them are Non-Proportional since none are touching 0. I'm not sure if you're looking for Proportionality.

3 0
2 years ago
Determine if the two lines y = 2x - 3/2 and y = -2x + 2/3 are parallel, perpendicular or neither. Explain
lorasvet [3.4K]

Answer:

Neither

Step-by-step explanation:

For two lines to be parallel, they must have the same slope. 2 and -2 are not the same. For lines to be perpendicular, their slopes must be negative reciprocals (ex 5 and -1/5) The slopes of these lines are not the same or negative reciprocals, so they are not parallel or perpendicular.

<u>Hope this helps :-)</u>

4 0
3 years ago
Solve the system:
exis [7]
The answer is C) x=11/19, y=7/19
8 0
3 years ago
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