All categories

4 years ago

Which statement is not always true ?

Mathematics

1 answer:

Alona [7]4 years ago

5 0

There is no statements to choose from

You might be interested in

if a 6 aided die is rolled 5 times and rolling a 2 is considered to be a success what are the chances of rolling exactly 3 succe

seraphim [82]

1/6 of a chance:)

(I think..........)

5 0

4 years ago

What is 2+2*2 ? smart people out there HELP plz!

Alecsey [184]

Answer:

the answer is 8

Step-by-step explanation:

hope this helps!

8 0

3 years ago

Three solid shapes A, B and C are similar.

Archy [21]

Answer:

$\frac{3}{10}$

Step-by-step explanation:

step 1

Find the ratio of the height of shape A to the height of shape B

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

Let

z-----> the scale factor

x----> surface area shape A

y----> surface area shape B

$z^{2} =\frac{x}{y}$

substitute

$z^{2} =\frac{4}{25}$

$z =\frac{2}{5}$

therefore

the ratio of the height of shape A to the height of shape B is equal to

$\frac{hA}{hB}=\frac{2}{5}$

step 2

Find the ratio of the height of shape B to the height of shape C

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z-----> the scale factor

x----> volume shape B

y----> volume shape C

$z^{3} =\frac{x}{y}$

substitute

$z^{3} =\frac{27}{64}$

$z =\frac{3}{4}$

therefore

the ratio of the height of shape B to the height of shape C is equal to

$\frac{hB}{hC}=\frac{3}{4}$

step 3

Find the ratio of the height of shape A to the height of shape C

we have

$\frac{hA}{hB}=\frac{2}{5}$

$\frac{hB}{hC}=\frac{3}{4}$

Multiply

$(\frac{hA}{hB})(\frac{hB}{hC})=\frac{hA}{hC}$

$(\frac{2}{5})(\frac{3}{4})=\frac{6}{20}=\frac{3}{10}$

8 0

4 years ago

HELPPPP PLEASEEEEE DUE IN 30 MINS

AlladinOne [14]

What is the question? Because I believe that is correct

3 0

3 years ago

25% of 395? Please show work

velikii [3]

395 *25% could also be interpreted as 395/4
395 = 98.75
4

7 0

3 years ago

Read 2 more answers