PLEASE HELP 50 points and brainlyist!

Mathematics

2 answers:

Sophie [7]3 years ago

7 0

not enough info plz put more info

matrenka [14]3 years ago

3 0

Answer it your self. reread or use a calculator.

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NISA [10]

Answer:

50,000,008,000

Step-by-step explanation:

3 0

3 years ago

Paulo works at the United Nations. He researched what percent of the world's population lives on each continent. He surveys a sa

Fofino [41]

Answer:

confidence interval using a two sample t test between percents

Step-by-step explanation:

confidence interval using a two sample t test between percents This can be used to compare percentages drawn from two independent samples in this case employees. It is used to compare two sub groups from a single sample example the population on the planet

5 0

2 years ago

Please help :) ...........

ad-work [718]

I think the 3rd one idk wait for someone else to answer go compare

5 0

3 years ago

If 1 cm = 0.394 inches, how many inches are in 1 kilometer?

Marta_Voda [28]

Since 1 km is 100,000 cm there are 39,400 inches in a kilometer

8 0

2 years ago

Read 2 more answers

Find the area of the circle whose equation is x2+y2=6x-8y

Semenov [28]

Answer:

Given that the equation of a circle is :

$\green{ \boxed{\boxed{\begin{array}{cc} {x}^{2} + {y}^{2} = 6x - 8y \\ = > {x}^{2} + {y}^{2} - 6x + 8y = 0 \\ = > {x}^{2} + {y}^{2} + 2 \times ( - 3) \times x + 2 \times 4 \times y = 0 \\ \\ \sf \: standard \: equation \: o f \: circle \: is : \\ {x}^{2} + {x}^{2} + 2gx + 2fy + c = 0 \\ \\ \sf \: by \: comparing \\ \\ g = - 3 \\ f = 4 \\ c = 0 \\ \\ \sf \: radius \: \: r = \sqrt{ {g}^{2} + {f}^{2} - c } \\ = \sqrt{ {( - 3)}^{2} + {4}^{2} - 0 } \\ = \sqrt{9 + 16} \\ = \sqrt{25} \\ = 5 \: unit \\ \\ \bf \: area \: = \pi {r}^{2} \\ = \pi \times {5}^{2} \\ =\pink{ 25\pi \: { unit }^{2} }\end{array}}}}$

6 0

2 years ago