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2 years ago

Which rule best represents the dilation that was

Mathematics

2 answers:

NemiM [27]2 years ago

5 0

Answer:

Step-by-step explanation:

Count the units

n200080 [17]2 years ago

4 0

Answer:B (X,Y)->(X,Y+4)

Step-by-step explanation:

The answer is B i took a test and good the answer correct

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A rectangle has a length of 12 yards less than 3 times its width. If the area of the rectangle is 135 square yards, find the len

Aleonysh [2.5K]

Answer:

The length is 15 yards

Step-by-step explanation:

Given

Represent the width with W and length with L: So

$Area = 135yd^2$

$L=3W - 12$

Required

Determine the length of the rectangle:

Area is calculated as thus:

$Area = L * W$

Substitute 3W - 12 for L and 135 for Area

$135= (3W - 12) * W$

$135= 3W^2 - 12W$

Reorder:

$3W^2 - 12W - 135= 0$

Divide through by 3

$W^2 - 4W - 45 = 0$

Expand:

$W^2 - 9W + 5W - 45 = 0$

$W(W - 9) + 5(W - 9) = 0$

$(W + 5)(W-9) = 0$

$W + 5 = 0$ or $W - 9 = 0$

$W = -5$ or $W = 9$

But width can't be negative

So:

$W = 9$

Recall that: $L=3W - 12$

$L = 3 * 9 - 12$

$L = 15$

<em>Hence, the length 15 yards</em>

4 0

2 years ago

Y=3/5 +2 plot the slope of the line

Ipatiy [6.2K]

The slope is equal to ³/₅.

6 0

3 years ago

A notary receives $ 3500 for elaborating a title property and $2000 for the constitutive act of an enterprise. In a month did a

Andrew [12]

Answer:

6 titles and 16 acts were elaborated

Step-by-step explanation:

Let the number of titles be t and the number of acts be a

Since the total is 22 operations:

a + t = 22 •••••••(i)

Total amount from titles = 3500 * t = 3500t

Total amount from acts = 2000 * a = 2000a

2000a + 3500t = 53,000 ••••••(ii)

From i, a = 22-t

Insert this in ii

2000(22-t) + 3500t = 53,000

44,000 - 2000t + 3500t = 53,000

1,500t = 53000-44000

1500t = 9000

t = 9000/1500

t = 6

But a = 22 -

= 22-6 = 16

5 0

3 years ago

Can someone help with #4<br><br> 15 points

BigorU [14]

I would check my math but 4/3 = 1.3 x 18= 24 divided by 2 for radius would be 12x12=144 x pie or 3.14 would be 452.16

4 0

3 years ago

A company’s profit is equal to revenue minus cost. For one company, the yearly revenue is $32 million. What function rule descri

Naily [24]

Answer:

p=32-c (*Units in million $)

Step-by-step explanation:

Let r be the revenue realized in any given year.

-Given that c=cost and p= revenue

#We notice that the profit, cost or revenue realized in one year is independent of the prior or subsequent year.

-Therefore, the revenue function is independent of time and is expressed as:

$p=r-c\\\\r=32\\\\\therefore p=32-c$

Hence, the yearly profit for any given year is expressed as p=32-c (*Units in million $).

6 0

2 years ago