Divide 25kg in in a ratio of 2:3:5

Answers

Answer 1

Answer: Add the ratios.. 2+3+5 = 10

Then divide 25kg by 10 and you will get 2.5

Multiply your ratio figures by 2.5 so it would be (2.5*2) : (2.5*3) : (2.5*5)

Making your answer 5 : 7.5 : 12.5

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Throughout this activity, the scale factor, n, has been a positive value. However, a scale factor for dilations can also be negative. When a set of coordinates on a preimage is multiplied by -n instead of n, the coordinates of the image rotate about the center of dilation by 180°. Consider all the potential intervals of n in the table. Enter information in the table to indicate whether the scale factor produces an enlargement, a reduction, or no size change. Also indicate whether the image rotates 180° about the center of dilation. The first one has been done for you.

Answers

Answer:

Step-by-step explanation:

Answer:

Interval Enlargement, reduction, or no size change? Does the image rotate 180° about the center of dilation?

0 < n < 1 reduction no

n = 1 no size change no

n > 1 enlargement no

-1 < n < 0 reduction yes

n = -1 no size change yes

n < -1 enlargement yes

Step-by-step explanation:

What is
$1 * 1$

Answers

Answer:

Step-by-step explanation:

1. Refer to the equation 3x − 5y = 15. (a) Create a table of values for at least 4 points. Show your work on how you found the values for each coordinate pair, and validated the points were on the line. Work for Point 1
Work for Point 2
Work for Point 3
Work for Point 4

Answers

Answer:

(0, 3 ), (5, 0), (10, -3), (15, -6)

Step-by-step explanation:

3x − 5y = 15

-5y = 3x + 15

y = $-(3)/(5) x + 3$

Point 1: (0, 3 )

y = -3/5(0) + 3

y = 0 + 3

y = 3

Validate:

3 = -3/5(0) + 3

3 = 3

Point 2: (5, 0)

y = -3/5(5) + 3

y = -3 + 3

y = 0

Validate:

0 = -3/5(5) + 3

0 = 0

Point 3: (10, -3)

y = -3/5(10) + 3

y = -6 + 3

y = -3

Validate:

-3 = -3/5(10) + 3

-3 = -3

Point 4: (15, -6)

y = -3/5(15) + 3

y = -9 + 3

y = -6

Validate:

-6 = -3/5(15) + 3

-6 = -6

Answer: For this problem, you cannot go over 10! so remember guys you can graph it however you want for example if you wanted to you could do -3/5(-2) + 3 for the first point but you would have to solve it. the next one would be maybe -3/5(-1) + 3 if you wanted to go up by plus one REMEMBER this is your OWN graph so do whichever number order you want it doesn't matter you can increase by 1 or 2 or 3 but the final point shouldn't be over ten or you will get the problem wrong. Good Luck I hope I get an A and I hope you guys get A's as well. Do ur absolute best on this

Solve this question? 7x - 3x +7 =3 (x - 4)+20

Answers

x=1

To solve this you start by adding like terms on the left side and doing the distributive property and adding like terms on the right. This would get you
4x+7=3x+8

Then you minus 3x on both sides getting
x+7=8

Then subtract 7 from both sides getting x=1.

7x - 3x + 7 = 3 ( x - 4 ) +20
⇔ 4x + 7 = 3x - 12 + 20
⇔ 4x - 3x = 8 - 7
⇔ x = 1

June plans to buy a new pair of jeans. they are on sale for 25% off. if the original price is $35.00, how much will she save on her jeans?

Answers

To find the discount, multiply the decimal version of the percent by the original price.
25% = 0.25
0.25 • 35.00 = 8.75
This means there is a $8.75 discount, or $8.75 off in other words.
All that's left to do is subtract the discount amount from the original price.
35.00 - 8.75 = 26.25
So the price of the jeans with the sale is $26.25.

25% off of $35.00 is...

*multiply 35 × .25 (move decimal over to the left twice so that it is not a "percentage")

*35 × .25 = 8.75 (now since 25% is 1/4th of 100% you can multiply 8.75 by 4 to make sure you get the full 100% price of $35.00)

*now you know 8.75 is 25% of $35.00

*subtract 8.75 (25%) from 35 (100%)

*35 - 8.75 = 26.25

*june will pay $26.25 with the 25% sale off of the $35.00 original price of the jeans.

Divide 2 over 3 ÷ 1 over 6 = ____.

Answers

Answer:

Step-by-step explanation:

To find the answer we need to do KCF

KCF = Keep Change Flip

2/3 x 6/1 = 12/3

Simplified: 4/1

Answer:

2/3÷1/6

=2/3×6

=2×2

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