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2 years ago

Geometry lesson 11.2 Finding sequence of similarity transformations

Mathematics

1 answer:

serious [3.7K]2 years ago

8 0

Answer:

http://www.rosenmath.com/geom/11.2.pdf

Step-by-step explanation:

Answers are all there, good luck lol

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If Kamila can do a job in 26 hours and Simon and Kamila working together can do the same job in 9 hours , find how long it takes

Kay [80]

Answer:

Simon takes approximately 13.76 hours to complete the job alone.

Step-by-step explanation:

We are given the following in the question:

Kamila can do a job in 26 hours

So, part of work done by Kamila in 1 hour =

$\dfrac{1}{26}$

Simon and Kamila working together can do the same job in 9 hours .

So, (Simon and Kamila)'s 1 hour work =

$\dfrac{1}{9}$

So, Simon's 1 hour work =

$\dfrac{1}{9}-\dfrac{1}{26}=\dfrac{17}{234}$

So,

Simon can do $\frac{17}{234}$ part of work in hour = 1

Time taken by Simon to complete the job alone =

$\dfrac{1}{\frac{17}{234}}=\dfrac{234}{17}\approx 13.76 \text{ hours}$

Thus, Simon takes approximately 13.76 hours to complete the job alone.

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2 years ago

PLEASE EXPLAIN YOUR ANSWERS!

DedPeter [7]

Answer:

(9 1/2)/(4 3/4)

19/2)/19/4) Divide:

19*4/2*19= 76/38= 2 rooms

Step-by-step explanation:

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3 years ago

Write the word sentence as an equation. Then solve.

leonid [27]

Answer:

As an equation: 15 × x = -75

Solved: x = -5

Step-by-step explanation:

15*x = -75

$\frac{15*x}{15}$ = $-\frac{75}{15}$ , Divide by 15 on both sides to solve for x

x= $-\frac{75}{15}$ , The 15 in the numerator cancels out with the denominator

x= -5, because 75/15=5

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2 years ago

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Erica measures the mass of a steel ball several different times. If Erica's results are highly precise, this must mean that A. m

Delvig [45]

C, her results are very close to one another

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2 years ago

List all number sets that apply to each number

kolbaska11 [484]

Answer:

224

Step-by-step explanation:

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3 years ago