All categories

3 years ago

Explain the error Tina says that 6:8 is equivalent to 36:64 what did tina do wrong

2 answers:

8 0

Tina said that 6:8 is equal to 36:64.
It's wrong. It should be 48:64. Because just like a fraction, whatever you multiply in the bottom, you do to the top.

Lapatulllka [165]3 years ago

4 0

When Tina multiplied, 6:8 to become 36:64 she didn't do the same to the same sides. In order to make it right, you would be 36:48 or 48:64

You might be interested in

Is the z score corresponding to a number or score below the mean always negative?

rusak2 [61]

Answer:

Yes

Step-by-step explanation:

The z-score corresponding to a number or score can be calculated using:

$z = \frac{x - \mu}{ \sigma}$

Where x stands for the individual scores, and

$\mu$

stands for the mean.

Since

$x \: \: < \: \mu$

for all numbers or scores below the mean, the difference will always be negative these values below the mean.

This will always result in a negative z-score for all numbers below the mean.

7 0

3 years ago

A gardener buys a plant that is 12cm in height. Each week after that the plant grows 10cm. Note: The plant is 12cm high at the b

BaLLatris [955]

82, 152, 222, 292, 362. You add 70 each time.

6 0

4 years ago

Read 2 more answers

PLS HELP! The question is down below!

julsineya [31]

The answer will be option D. -6

8 0

3 years ago

Ice cream is being put into a cone at a rate of 4 cm3/s. The cone has a radius of 2 cm and a height of 8 cm.

almond37 [142]

Answer:

0.5052 cm per sec ( approx )

Step-by-step explanation:

∵ The volume of a cone is,

$V=\frac{1}{3}\pi (r)^2h$

Where,

r = radius,

h = height,

Here, r = 2 and h = 8,

Thus, the volume of the cone is,

$V=\frac{1}{3}\pi (2)^2 8=\frac{32\pi }{3}$

When the cone is half filled,

Volume would be,

$V_1=\frac{V}{2}=\frac{16\pi }{3}$

Now, $\frac{r}{h}=\frac{1}{4}\implies r=\frac{h}{4}$

$V_1=\frac{1}{3}\pi (\frac{h}{4})^2 h=\frac{\pi h^3}{48}----(1)$

$\implies \frac{\pi h^3}{48} = \frac{16\pi }{3}$

$\implies h \approx 6.35$

Differentiating equation (1) with respect to t ( time )

$\frac{dV_1}{dt}=\frac{\pi h^2}{16}\frac{dh}{dt}$

We have, $\frac{dV_1}{dt}=4\text{ cube cm per s},h=6.35\text{ cm}$

$4=\frac{\pi (6.35)^2}{16}\times \frac{dh}{dt}$

$\implies \frac{dh}{dt}=\frac{64}{6.35^2 \pi}\approx 0.5052\text{ cm per sec}$

7 0

3 years ago

If the Volume of a Cylinder is 287 and the radius is 5, what is the height "h"?

Sidana [21]

Answer:

3.7 is the height

Step-by-step explanation:

so the volume is 287 radius is 5 . The formula Volume = base area x height which we come to equate 287 =3.142x5x5 to get 287 divides by 78.55 answers round off to the nearest tenths 3.653 round off 3.7

8 0

3 years ago