3/14 - 1/7= how much

Answers

Answer 1

Answer: 3/14 - 1/7
= 3/14 - 2/14
= 1/14

so, 3/14 - 1/7 = 1/14

Answer 2

Answer: 1/14 is the answer, you have to find a common denominator which in this case is 14. and then you subtract both of the fractions like normal.

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What scale factor was used in the dilation

Answers

4 divide by 10 is 0.4

The answer is 0.4

Divide the image length M'P' over its corresponding preimage length MP

(length of M'P')/(length of MP) = 4/10 = 2/5 = 0.4

Answer: 0.4 which is choice C

The fact that the scale factor is less than 1 and its positive means that the image is smaller than the preimage (aka the figure shrinks). The result is positive because we don't have any reflections going on.

A rectangle whose perimeter is 80 m has an area of 384 m^2. Find the dimensions of the rectangle.

Answers

Since area of a rectangle = length X width I came up with an answer of 16 X 24 =384
Also, 16+16+24+24 = 80

$2a+2b=80 \ /:2\ \ \ \Rightarrow\ \ \ \ a+b=40\ \ \ \Rightarrow\ \ \ a=40-b\n \na\cdot b=384\ \ \ \ \Rightarrow\ \ \ (40-b)\cdot b=384\ \ \ \ \Rightarrow\ \ \ -b^2+40b-384=0\n \n \Delta=40^2-4\cdot (-1)\cdot(-384)=1600-1536=64\ \ \ \Rightarrow\ \ \ √(\Delta) =8\n \nb_1= (-40-8)/(2\cdot(-1))= (-48)/(-2) =24\ \ \ \ \Rightarrow\ \ \ a_1=40-b_1=40-24=16 \n \nb_2= (-40+8)/(2\cdot(-1))= (-32)/(-2) =16\ \ \ \ \Rightarrow\ \ \ a_2=40-b_2=40-16=24$

$Ans.\ The\ dimensions\ of\ the\ rectangle:\ \ \ 16\ m\ \ \ and\ \ \ 24\ m$

Properties in mathematics 0+14=14 is what type of property

Answers

the zero propperty because you are add any thing plus zero

9 is 12% of which number ?

Answers

Let x be the original number we are trying to find.

$9 = 0.12x$
$9 = (12)/(100)x$
$900 = 12x$
$\implies x = 75$

In math, "is" means equal, "percent symbol" means to divide by 100, and "of" means times, or multiply.

9 = ?% x 12

Now,if ?% x 12 = 9, then 9 divided by 12 must also be ?%, just like 3 x 2 =6; and 6 divided by 3 = 2, or 6 divided by 2 = 3. So,

9 / 12 = 0.75

Toexpress as a percent, multiply by 100 and then add the % symbol, ormove the decimal 2 places to the right and then add the % symbol. 0.75becomes 75% (which when you divide by 100, you get .75 again).

9 is 75% of 12. Check your work: 9 = .75 x 12 If this is true, then your answer is correct

How to expand (5x−6)^2

Answers

Answer:

(5x-6)²=25x²-60x+36

Step-by-step explanation:

We use: (a-b)²=a²-2ab+b².

Thus we get

(5x-6)²=25x²-60x+36

Answer:

Expand((5⋅x−6)2)

=62+2⋅(−6⋅5⋅x)+(5⋅x)2

=36−60⋅x+25⋅x2

2x - 3 for x = 4 does anyone know the answer

Answers

Answer:

Answer is 5.

Step-by-step explanation:

put $x=4$ in the given expression

2(4)-3

8-3

5 and we get the answer.

Answer:

5 is your answer

Step-by-step explanation:

Yes, so first plug in 4 for x

2(4)-3

Then multiply 2x4 which is 8

8-3 is 5

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