All categories

3 years ago

Explain how multiplying fractions is similar to multiplying whole numbers and how it is different ?

1 answer:

4 0

Multiplication with fractions is similar to multiplication with whole numbers in that you are often finding the product of groups of items. They are different in that you can multiply with fractions to find parts of an amount.

You might be interested in

The base of the triangle decreases by 30% and the height increases by 20%.

sergeinik [125]

Answer:

Area decreases by 16%

Step-by-step explanation:

Use formula for the area of the triangle

$A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}$

Initial triangle:

The base is 18 cm

The height is 5 cm

The area is

$A_{initial}=\dfrac{1}{2}\cdot 18\cdot 5=45\ cm^2$

New triangle:

The base is $(1-0.3)\cdot 18=0.7\cdot 18=12.6\ cm$

The height is $(1+0.2)\cdot 5=1.2\cdot 5=6\ cm$

The area is

$A_{new}=\dfrac{1}{2}\cdot 12.6\cdot 6=37.8\ cm^2$

Area decreases by

$100\%-\dfrac{37.8}{45}\cdot 100\%=100\%-84\%=16\%$

5 0

3 years ago

Pls help will mark as brainliest

ASHA 777 [7]

Answer:

Step-by-step explanation:

8 0

3 years ago

During an experiment, Aika measured the time it took for a ball to roll down a ramp set at an angle. She measured that it took 1

schepotkina [342]

Answer:

11.725%

Step-by-step explanation:

Given that :

True value = 0.904 seconds

Measured time = 1.010 seconds

Experimental error :

(|measured value - True value | / true value) * 100%

(|1.010 - 0.904| ÷ 0.904) * 100%

= 0.106 / 0.904 * 100%

= 0.1172566 * 100%

= 11.725%

4 0

2 years ago

Read 2 more answers

Help me with C number please. Show me how did you do that. It’s due in 30 minutes.

Paha777 [63]

I’m not 100% sure but isn’t it x2 +xy +y2?

6 0

2 years ago

Read 2 more answers

Please help me with this question I’m stuck!

Natasha_Volkova [10]

12 is the answer.

The sequence is 12, 6, 3, 3/2

8 0

3 years ago