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docker41 [41]
3 years ago
9

X2 + 10x – 11 = (x - 1) x2 + 12x + 11

Mathematics
1 answer:
lora16 [44]3 years ago
5 0

Answer:

x²+12x+11=(3x+21)

Step-by-step explanation:

x²+10x–11=(x–1) (+2x)

x²+12x–11=(3x–1) (+22)

x²+12x+11=(3x+21)

Hope that's what you're looking for

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The label on Emma's protein shake said that one serving provided 5 grams of fiber, which is 25% of the recommended daily amount.
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Step-by-step explanation:

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8 0
3 years ago
Question:
aivan3 [116]

Answer:

part A) The scale factor of the sides (small to large) is 1/2

part B) Te ratio of the areas (small to large) is 1/4

part C) see the explanation

Step-by-step explanation:

Part A) Determine the scale factor of the sides (small to large).

we know that

The dilation is a non rigid transformation that produce similar figures

If two figures are similar, then the ratio of its corresponding sides is proportional

so

Let

z ----> the scale factor

\frac{CB}{C'B'}=\frac{CD}{C'D'}=\frac{BD}{B'D'}

The scale factor is equal to

z=\frac{CB}{C'B'}

substitute

z=\frac{4}{8}

simplify

z=\frac{1}{2}

Part B) What is the ratio of the areas (small to large)?

<em>Area of the small triangle</em>

A=\frac{1}{2}(2)(4)=4\ units^2

<em>Area of the large triangle</em>

A=\frac{1}{2}(4)(8)=16\ units^2

ratio of the areas (small to large)

ratio=\frac{4}{16}=\frac{1}{4}

Part C) Write a generalization about the ratio of the sides and the ratio of the areas of similar figures

In similar figures the ratio of its corresponding sides is proportional and this ratio is called the scale factor

In similar figures the ratio of its areas is equal to the scale factor squared

4 0
3 years ago
To rent a moving truck for the day, it costs $33 plus $1 for each mile driven. Write an expression for the total cost to rent th
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Answer:

Step-by-step explanation:

7 0
3 years ago
Please help me! And can you please show how you found the answer?
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Answer:

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Step-by-step explanation:


7 0
3 years ago
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