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prisoha [69]
2 years ago
5

Please help me answer number 11

Mathematics
1 answer:
horsena [70]2 years ago
8 0
Is this geometry or something else
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(2.3 x 10 to the power of 4) times ( 1.5x10 to the power of minus 3) in standard form
Eduardwww [97]

Answer:

3.45\times10

Step-by-step explanation:

(2.3  \times 10^{4}) \times ( 1.5 \times10^{-3} )= 2.3\times1.5\times10^{4}\times10^{-3}

                                        = 3.45\times  10^{((4)+(-3))}

                                        =3.45\times10

6 0
3 years ago
Renee made a game board. She colored some of the game squares. What percent of the game square grid is shaded?
Sophie [7]

Answer:

30%

Step-by-step explanation:

There's 100 squares in total, and 30 of the 100 are shaded! 30/100 is .3 and multiplied by 100 gives you the percentage, 30.

7 0
3 years ago
Tell whether the given value is a solution of the inequality. (yes or no)<br><br> -2 ≤ k/3; k = -9
olga55 [171]

Answer:  No, it is not a solution

Work Shown:

-2 ≤ k/3

-2 ≤ -9/3

-2 ≤ -3

The last inequality is false because -3 should be smaller than -2 (not the other way around). Use a number line to help see this.

Since the last inequality is false, the original inequality must also be false for that particular k value. Therefore, k = -9 is not a solution.

4 0
2 years ago
Solve inequality √(2−x) &lt; x.
Bond [772]
[tex]\sqrt{2-x}0\\ x^2+2x-x-2>0\\ x(x+2)-1(x+2)>0\\ (x-1)(x+2)>0\\ x\in(-\infty,-2)\cup(1,\infty)\\\\ \boxed{x\in(-\infty,-2)\cup(1,2\rangle}[/tex]
5 0
3 years ago
In right triangle ABC, the measure of angle A is 25 degrees, angle c is 90 degrees, and AB = 1. what is the length of AC?
Allisa [31]

Answer:

b= 0.9

Step-by-step explanation:

first you find angle B: 180-90-25=65

then you will do law of sine- sin A/a=sin B/b=sin C/c

sin(90)/1=sin 65/b

sin(90)*b=sin(65)*1

sin(90)*b=0.9

b=0.9/sin(90)

b= 0.9

8 0
3 years ago
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