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2 years ago

12

Select which words that correctly complete each statement. Triangle ABC can be mapped onto triangle DEF with a reflection across

the...
A. y-axis
B. x-axis
followed by a dilation centered at the origin with a scale factor of
A. 0.25
B.0.5
C. 2
D. 4

1 answer:

Wittaler [7]2 years ago

4 0

A is the one. to put down but you have to do it right

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2. A landscaper drew a scale drawing of a rectangular yard using the scale, , before beginning to work on the yard.(a) The lands

Phantasy [73]

Complete question :

A landscaper drew a scale drawing of a rectangular yard using the scale, , before beginning to work on the yard.

(a) The landscaper plans to put a fence around the entire yard. How many meters of fencing does she need? Show your work.

(b) The landscaper plans to create a rectangular garden that is the size of the actual yard. What is the area of the garden?

Answer:

28cm ; 48cm²

Step-by-step explanation:

From the diagram :

Length = 8cm

Width = 6cm

Meters of fencing required :

Perimeter of rectangle :

P = 2(length + Width)

P = 2 (8cm + 6cm)

P= 2(14cm)

P = 28 cm

2.)

Area of rectangle :

Length * width

8cm * 6cm

= 48cm²

8 0

3 years ago

Solving the systems of equations by elimination-solo team teach<br><br> x+y=-7 <br> 3x+y=-9

maria [59]

Answer: x= -1, y= -6

7 0

3 years ago

Differentiation. questions 1 and 2

drek231 [11]

For 11, we start by plugging 1 in, getting 2(1)^2+1-5=-2=y

Plugging 1+m instead, we get 2(1+m)^2+1+m-5=2(1+2m+m^2)+1+m-5
= 2+4m+2m^2+1+m-5= 2m^2+5m-2. We have to find the difference between that and -2, so 2m^2+5m-2 -(-2)=2m^2+5m

Differentiating 12, we use the Power Rule to get -6x^2+14, and plugging x=1 into it, we get -6(1)^2+14=-6+14=18

4 0

4 years ago

<img src="https://tex.z-dn.net/?f=%20-%205%20%5Csqrt%7B49%20-%208a%20%3D%20%20-%2035%7D%20" id="TexFormula1" title=" - 5 \sqrt{4

Tcecarenko [31]

$- 5 \sqrt{49 - 8a = - 35} \\ \\ 1. \: - 8a = 0 \\ \\ 2. \: \frac{ - 8a}{ - 8} = \frac{0}{ - 8} \\ a = 0$

7 0

3 years ago

Kareem ran three times last week. Here are the distances he rall

EleoNora [17]

Simply add the three decimals to find Kareem's total distance.

1.6 + 11.5 + 15 = 28.1

(0.6 + 0.5 = 1.1, 1 + 11 + 15 = 27, 27 + 1.1 = 28.1)

<h2>Answer:</h2>

<u>Kareem ran </u><u>28.1 km</u><u> on those three days.</u>

I hope this helps :)

8 0

3 years ago