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Kruka [31]
3 years ago
5

What is the area of a rectangle that measures 9 cm by 4 cm

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0
The answer would be 36
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What is 56.23 × 104 in standard form?
aleksklad [387]

Answer:

5.23×10^5

Step-by-step explanation:

You mean 56.23×10^4?

That would be 5.623×10×10^4, or 5.23×10^5

4 0
3 years ago
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How does the graph of g(x)=⌈x⌉+7 differ from the graph of f(x)=⌈x⌉?
Lorico [155]
The addition of +7 influences the y values of the graph. Since it is positive, the graph of y=IxI would be moved 7 units upwards. 

Hope I helped :)
8 0
3 years ago
Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
3 years ago
Which represents the solution set to the inequality
Art [367]
5.1(3 + 2.2x) \ \textgreater \  -14.25 - 6(1.7x + 4)
Lets expand both multiplications first.
15.3 + 11.22x \ \textgreater \  -14.25 - 10.2x - 24
Simplify down the right side.
15.3 + 11.22x \ \textgreater \  -38.25 - 10.2x
Add 38.25 to both sides.
53.55 + 11.22x \ \textgreater \  -10.2x
Subtract 11.22x from both sides.
53.55 \ \textgreater \  -21.42x
Divide by -21.42 on both sides. Because we're dividing by a negative, we need to change the inequality direction.
-2.5 \ \textless \  x
This means, out of the options available, (-2.5, ∞) is the correct answer.
3 0
3 years ago
How many times greater is the value of the 3 in 342 then the value of the 3 in 13?
Leya [2.2K]
It is 100 times greater.
5 0
3 years ago
Read 2 more answers
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