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1 year ago

Fastttt helppppp Which transformation is not an isometry

Mathematics

1 answer:

enot [183]1 year ago

3 0

Answer:

Third option(double circle)

Step-by-step explanation:

Isometry (iso meaning same and metry meaning measure)

preserves the length and overall mass/size of a shape during a transformation. The 3rd option is the only shape that changes size in the examples, making it a non isometric transformation.

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5[3(x+4)-2(1-x)]-x-15=14x+55 what is x

Nostrana [21]

Answer:

x=2

Step-by-step explanation:

I hope you will understand the way I solved it

if not, dont hesitate to ask questions in the comments...

4 0

3 years ago

Kalo randomly surveyed 25 students at his school and found that 19 of them have at least one sibling. Based on these data, how m

TEA [102]

Answer:

95 students

Step-by-step explanation:

25 students -- 19 have sibling

1 student -- (19/25)

125 students -- (19/25) * 125 = 95

Therefore, 95 students out of 125 are expected to have at least one sibling.

Thenks and mark me brainliest :))

8 0

2 years ago

Read 2 more answers

A. What is the explicit definition for this sequence?<br><br>b. How far does she run on day 19?

creativ13 [48]

Answer:

(a) $a_n=1+\frac{1}{6}(n-1)$

(b) 4 miles

Step-by-step explanation:

Given:

The sequence of run is an arithmetic sequence.

Miles traveled on day 1 = 1 mile

Miles traveled on day 7 = 2 miles

(a).

Explicit formula for an arithmetic sequence is given as:

$a_n=a_1+(n-1)d\\a_n\to n^{th}\ term\\a_1\to first\ term\\n\to number\ of\ terms\\d\to \textrm{common difference}$

Here, $a_1=1,a_7=2$

So,

$a_7=a_1+(7-1)d\\2=1+6d\\6d=2-1\\d=\frac{1}{6}$

Therefore, the explicit definition of the above sequence is given as:

$a_n=1+\frac{1}{6}(n-1)$

Where, $a_n$ is the miles covered on $n^{th}$ day.

(b)

In order to find the distance covered by her on day 19, we plug in 19 for n in the above formula. This gives,

$a_{19}=1+\frac{1}{6}(19-1)\\\\a_{19}=1+\frac{1}{6}(18)\\\\a_{19}=1+3=4\ mi$

Therefore, the number of miles covered by her on day 19 is 4 miles.

3 0

2 years ago

Mr. Jones waffle recipe uses 3/4 cups of milk to make 8 waffles how many cups of milk should be used to make 24 waffles?

ella [17]

Answer:

9/4

Step-by-step explanation:

If you need 3/4 cups of milk to make 8 waffles, you would need 9/4 cups to make 24 waffles because you are making 3 times the amount of waffles, so you need 3 times the amount of milk.

5 0

2 years ago

Simplify (-2 + 3i) + 2(5 + 6i). Enter your answer in the form a + bi.

Reptile [31]

We will have the following:

$(-2+3i)+2(5+6i)=-2+3i+10+12i$

$=(10-2)+(3i+12i)=8+15i$

So, the solution would be:

$8+15i$

3 0

11 months ago