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3 years ago

Can someone plz help me with this

Mathematics

2 answers:

Sever21 [200]3 years ago

8 0

Well 5x18=90 so ya•••

bearhunter [10]3 years ago

6 0

Hello!

The equation 5*18 equals 90. So, there are nine tens in this equation's answer.

Have a wonderful day! :)

-L

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Need some help! <br>help giving 10 points

steposvetlana [31]

Answer:

The remaining lenghts are $x = 20.364\,cm$ and $y = 12.925\,cm$ .

Step-by-step explanation:

Given that there are two triangles opposite to each other and between two parallel lines, then both are similar, meaning than following relationships exist:

$\frac{AC}{CD} = \frac{BC}{CE} = \frac{AB}{DE}$ (1)

If we know that $AC = 11\,cm$ , $CD = 28\,cm$ , $BC = 8\,cm$ and $DE = 32.9\,cm$ , then the missing lengths are, respectively:

$\frac{11\,cm}{28\,cm} = \frac{8\,cm}{x}$

$x = \frac{(28\,cm)\cdot (8\,cm)}{11\,cm}$

$x = 20.364\,cm$

$\frac{11\,cm}{28\,cm} = \frac{y}{32.9\,cm}$

$y = \frac{(11\,cm)\cdot (32.9\,cm)}{28\,cm}$

$y = 12.925\,cm$

The remaining lenghts are $x = 20.364\,cm$ and $y = 12.925\,cm$ .

5 0

3 years ago

Write the first 10 counting numbers for the base: base three

Alla [95]

Is the answer..

3, 6, 9, 12, 15, 18, 21, 24, 27, 30 ?

6 0

4 years ago

Read 2 more answers

Nancy wrote the following the riddle :I am a number between 25 and 50.my ones digit is three less than my tens digit . I am a pr

emmasim [6.3K]

Xy
x is tens
y is ones

hmm
it has to be more than 25, so the tens digit has to be at least 2 but less than 5
2-3=-1, no
3-3=0, 30 is a number
4-3=1, 41 is a number

30 and 41
30 is 3 times 10, it is not prime

41 is prime
41 is the answer

7 0

3 years ago

Find the next five terms 512 256 128 64

Alborosie

The pattern is dividing by 2.

512, 256, 128, 64

512/2 = 256, 256/2 = 128, 128/2 = 64

64/2 = 32, 32/2 = 16, 16/2 = 8, 8/2 = 4, 4/2 = 2, ...

6 0

3 years ago

Shapes A and B are similar.

kari74 [83]

The scale factor from A to B is 5/3 and the value of r is 33/5

<h3>The scale factor from A to B</h3>

From the figure, we have the following corresponding sides

A : B = 5 : 3

Express as fraction

B/A = 3/5

This means that, the scale factor from A to B is 5/3

<h3>The value of r</h3>

From the figure, we have the following corresponding sides

A : B = 11 : r

Express as fraction

B/A = r/11

Recall that:

B/A = 3/5

So, we have:

3/5 = r/11

Multiply by 11

r = 33/5

Hence, the value of r is 33/5