What is 2.5 x 10 to the 2nd power

Answers

Answer 1

Answer: I think the answer should be 25 because if you multiply 2.5 by 10. Technically it means moves 10 to the right.

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I really need this ASAP! what is 14 2/7 as a fraction

Answers

Multiply 14 by the denominator of the fraction.

14 • 7 = 98

Then add it to the numerator.

98 + 2 = 100

Your answer is 100/7

What is 14 49ths in simplest form

Answers

The answer would be 2/7. This is because you find a Greatest Common Factor, also known as a GCF. In this problem the Greatest Common Factor would be seven because it is the largest number that goes into both 14 and 49. Once you find the GCF (7) you would divide both numbers by that (7) to get them into simplest form. In this problem you would take your GCF (7) and divide both numbers (14 and 47) by your GCF (7) and you would get an answer of 2/7. (2 7ths)

The simplest firm is 2/7

What is the product (2x-1)(x+4)

Answers

Answer: $2x^2+7x-4$ .

Step-by-step explanation:

To find : The product of $(2x-1)(x+4)$

Using distributive property : $a(b+c)=ab+ac$ , we have

$(2x-1)(x+4)\n\n= (2x-1)x+(2x-1)4$

Again , using distributive property : $(b+c)a=ba+ca$ , we have

$(2x-1)x+(2x-1)4=2x\cdot x+(-1)x+2x\cdot 4+(-1)4\n\n=2x^2-x+8x-4\n\n= 2x^2+7x-4$

Hence, The product of $(2x-1)(x+4)$ is $2x^2+7x-4$ .

2x(x+4)-1(x+4)
2x^2+8x-x-4
2x^2+7x-4

One angle of the triangle is 4 times the second angle. The third angle of the triangle is 30 degrees more than the second angle.find the measures of all the angles.

Answers

X+4x+x+30=180
6x=150
X=25

So angles are 25, 100, 55 degrees

11 more than five if a certain number is twenty more than 2 times of that number. what is the number?

Answers

11 more than five of a certain number would be written as 5x+11 and it is (means equal to) twenty more than two times that number, which would be 2x+20. So the equation would be
5x+11=2x+20
-2x -2x (get the x's on one side)
3x+11=20
-11 -11 (get the numbers on one side)
3x=9
/3 /3 (divide by 3, so you can get the x by itself)
X=3 (the number is 3)

Segment JK is shown. Point J is located at (5,−2). Point K is located at (5,−4)What is the midpoint of segment JK

Answers

midpoint is (x1+x2 / 2 , y1+y2 /2)
(5+5/2, -2+(-4)/2)
10/2, -6/2
(5,-3) would be the midpoint

Answer:

(5, -3)

hope i helped bye

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