3 years ago

1.

Mathematics

1 answer:

gtnhenbr [62]3 years ago

3 0

Try asking google because it’s complicated

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help i do need all of them sadly i only have 18 points plssssssssss help first person get brainlyes sorry for the spelling

creativ13 [48]

Answer:

1. 3.1415 2. 3.141 3. 3.14 4. 3.14 5. 3.14

Step-by-step explanation:

3 0

3 years ago

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Find the area of the following triangle. Show each of the math steps that you use to find the area. Then explain how to go about

Diano4ka-milaya [45]

Semi perimeter:-

$\\ \rm\rightarrowtail s=\dfrac{a+b+c}{2}$

$\\ \rm\rightarrowtail s=\dfrac{1.8+2.4+3}{2}$

$\\ \rm\rightarrowtail s=\dfrac{7.2}{2}=3.6cm$

Apply heron s formula

Area:-

$\\ \rm\rightarrowtail \sqrt{s(s-a)(s-b)(s-c)}$

$\\ \rm\rightarrowtail \sqrt{3.6(3.6-1.8)(3.6-3)(3.6-2.4)}$

$\\ \rm\rightarrowtail \sqrt{3.6(1.8)(0.6)(1.2)}$

$\\ \rm\rightarrowtail \sqrt{4.6656}$

$\\ \rm\rightarrowtail 2.16cm^2$

5 0

2 years ago

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Determine whether the following statement is always, sometimes, or never true. Explain your reasoning.When using the distributiv

Rus_ich [418]

This is sometimes true because when distributing the sign could either be either minus or plus...

If you multiply a positive number with a negative number it will be negative. If you multiply a negative by a negative it will be positive. If you multiply a positive with a positive it will be positive.

7 0

4 years ago

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If CP=Rs. 1200 and loss =10%, find loss amount.

goldfiish [28.3K]

Answer:

lost 120

Step-by-step explanation:

10% of 1200 is 120 so you subtract 120 from 1200

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3 years ago

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Sales tax on a $400 stereo is $16. What is the tax on a $650 tv?

lana66690 [7]

Answer:

$2.6

Step-by-step explanation:

firstly we find percentage of tax .

(16/400) * 100

= 16/4

= 4 %

now ,

so 4% of 650

= (4*650)/ 100

=260/100

= $2.6

6 0

3 years ago