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Crazy boy [7]
2 years ago
8

Please Answer due today 100 points

Mathematics
2 answers:
Alenkinab [10]2 years ago
7 0

Answer:

A scaled copy is a copy of an figure where <u>every</u> length in the original figure is multiplied by the same number.

The original figure A is 2 units wide and 2 units high.  The scaled copies must follow the same ratio of width to height (2 : 2), as well as the vertices of the figure remaining the same.

Therefore, figures 2 and 4 are scaled copies only.

No, for figure B to be a scaled copy, the width would also have to be scaled down. As the width has remained the same in both figures, figure B is not a scaled copy.

A & D are scaled copies

<u>Question 4</u>

1.  5 · 3 = 15

2. 4 · 8 = 32

3. 6 · \dfrac32 = 9

4. 12 · \dfrac14 = 3

Semmy [17]2 years ago
4 0

Answer:

Figure 2 and figure 4

Yes I agree with Tyler

A

C
D

Step-by-step explanation:

Figures 2 and 4 are not slanted which changes the original form, unlike the others.

I agree with Tyler because the size is not only smaller but it says that it was scaled by 2 more centimeters than the original figure.

I believe its the others because the other one is scaled upwards unlike the rest.

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Find the volume of a right circular cone that has a height of 11.4 in and a base with a radius of 5.1 in. Round your answer to t
ella [17]

Answer:

Step-by-step explanation:

h=11.4 in

r=5.1 in

v=3.14*r^2*(h/3)

V=3.14*5.1^2*(11.4/3)=3.14*26.01*3.8=310.35

5 0
2 years ago
A poster is to have a total area of 125 cm2. There is a margin round the edges of 6 cm at the top and 4 cm at the sides and bott
jeka57 [31]

Answer:

The correct answer is 15 cm.

Step-by-step explanation:

Let the width of the required poster be a cm.

We need to have a 6 cm margin at the top and a 4 cm margin at the bottom. Thus total margin combining top and bottom is 10 cm.

Similarly total margin combining both the sides is (4+4=) 8 cm.

So the required printing area of the poster is given by {( a-10 ) × ( a - 8) } cm^{2}

This area is equal to 125 cm^{2} as per as the given problem.

∴ (a - 10) × (a - 8) = 125

⇒ a^{2} - 18 a +80 -125 =0

⇒ a^{2} - 18 a -45 = 0

⇒ (a-15) (a-3) = 0

By law of trichotomy the possible values of a are 15 and 3.

But a=3 is absurd as a > 4.

Thus the required answer is 15 cm.

7 0
3 years ago
Read 2 more answers
Simplify 2/3×1/6+5/3×7/2-13/8×2/3 pls help with this
tensa zangetsu [6.8K]
The first picture shows you how to solve it and the second picture is showing you how to get your answer in simplest form.

3 0
3 years ago
Simplify 11 to the power of negative 4 over 11 to the power of 8
AlekseyPX

Answer:

1. 1 over 11 to the power of 12

Step-by-step explanation:

\huge \frac{ {(11)}^{ - 4} }{ {(11)}^{8} } \\  \\  \huge =   \frac{ 1}{ {(11)}^{8 + 4} }  \\  \\\huge  =   \frac{ 1}{ {(11)}^{12} }

7 0
2 years ago
Look at Michael expression. Why do you add 6+4 first​
natali 33 [55]

Answer:

probably cuz its in parentheses but there's no picture

Step-by-step explanation:

3 0
2 years ago
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