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3 years ago

14 divided by 3 (27-11) x 3

Mathematics

1 answer:

stira [4]3 years ago

4 0

14 ÷3 (27-11) x 3 = 224

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If y=7.2 and r= 1.1 have been rounded to 1 decimal place find the possible value of y x r

Shkiper50 [21]

Answer:

$the \: possible \: value \: of \: ( y \times r) = 7 \times 1 = \boxed{ 7} \\ or \\ ( 7.2 \times 1.1) = \boxed{ 7.9} \\$

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2 years ago

Find each percentage decrease. round to the nearest percentage from 16 bagels to 0 bagels

Olin [163]

To solve this problem:

The formula would be: New Value – Old Value)/Old Value] x 100 or in the form of variable it would be: [(B-A)/A] x 100 = Answer.

So plugging in the information given in our problem it would be:

0 – 16 / 16 x 100 = percent of change

0/16 x 100 = 0%

The answer is 0%

6 0

3 years ago

Can I please have help with question 2) a and b

Ulleksa [173]

Answer:

$\frac{10\sqrt{6} }{3}$ and $\frac{11\sqrt{3} }{3}$

Step-by-step explanation:

(a)

A = $\frac{1}{2}$ × 4 $\sqrt{2}$ × $\frac{5}{\sqrt{3} }$

= 2 $\sqrt{2}$ × $\frac{5}{\sqrt{3} }$

= $\frac{10\sqrt{2} }{\sqrt{3} }$ × $\frac{\sqrt{3} }{\sqrt{3} }$ ← rationalise the denominator

= $\frac{10\sqrt{6} }{3}$ units²

(b)

Using Pythagoras' identity in the right triangle

let hypotenuse be h , then

h² = (4 $\sqrt{2}$ )² + ( $\frac{5}{\sqrt{3} }$ )²

= 32 + $\frac{25}{3}$

= $\frac{96}{3}$ + $\frac{25}{3}$

= $\frac{121}{3}$ ( take the square root of both sides )

h = $\sqrt{\frac{121}{3} }$ = $\frac{11}{\sqrt{3} }$ × $\frac{\sqrt{3} }{\sqrt{3} }$ ← rationalise the denominator

h = $\frac{11\sqrt{3} }{3}$

7 0

3 years ago

What is 2/5 as a decimal?

GuDViN [60]

Answer:

0.4

Step-by-step explanation:

2/5 (2 divided by 5)

6 0

3 years ago

Read 2 more answers

Guys please help with this question thanks

erastova [34]

= 16 + 49 - 3(11) - 4(10)
= 16 + 49 - 33 - 40
= -8

3 0

3 years ago