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jonny [76]
3 years ago
11

HELP Easy points really fast won’t take more than 1 minute

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0

Answer:53

Step-by-step explanation:

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What is the scientific notation of 74000
KATRIN_1 [288]

Answer:

7.4 x 10^4...............................                              

6 0
3 years ago
If the radius of a circle is 10 feet, how long is the arc subtended by an angle measuring 81°?
Advocard [28]
81 degrees
1 degree = 2 pi / 360
81 degrees = 162 pi / 360
=9 pi / 20

L (arc) = radius x angle
= 10 x 9 pi / 20
90 pi /20
9/2 pi : D

The answer is D
7 0
3 years ago
Read 2 more answers
1. tentukan hasil dari 243⅔?
Vesnalui [34]

Penjelasan langkah demi langkah:

1)

= 243^{\frac{2}{3} }\\= (\sqrt[3]{243})^2\\= 7^2\\= 49

2) √32 +3√18-2√50

= √16*2 +3√9*2-2√25*2

= 4√2 + 3(3√2)-2(5√2)

= 4√2 + 9√2-10√2

= 13√2-10√2

= 3√2

3) 1000 ⅔×64⅙

 = (\sqrt[3]{1000}) ^2 \times (2^6)^{1/6}  \\= 10^2 \times 2\\= 100 \times 2\\= 200

4) 3/4+√2

3/4+\sqrt{2} \\= \frac{3+4\sqrt{2} }{4 }

5) 2√3×√18

= 2√3×√9*2

= 2√3×3√2

= (2*3)(√3*√2)

= 6√6

6) 12/3+√3

= 4+√3

7) √1000—2√40

= 10 -2 (√4*10)

= 10-2(2√10)

= 10 - 4√10

8) 2- ¹+3-¹

= \frac{1}{2} + \frac{1}{3}\\ = \frac{3+2}{6}\\ = \frac{5}{6}

9)

\frac{5}{\sqrt{5} }\\ merasionalisasikan\\= \frac{5}{\sqrt{5} }\times \frac{\sqrt{5} }{\sqrt{5} }\\= \frac{5\sqrt{5} }{\sqrt{25} }\\= \frac{5\sqrt{5} }{5}\\ = \frac{\sqrt{5} }{1}

Jika pernyataannya opsional, penyebutnya adalah 1

10) 2√3×√18

= 2√3×√9*2

= 2√3×3√2

= (2*3)(√3*√2)

= 6√6

7 0
3 years ago
greg works at a video store he earns $7 an hour plus $5 for each memebership he sells write a formula that will help greg determ
san4es73 [151]
A= 7h+5m okayyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
8 0
3 years ago
Which number produces a rational number when added to 0.25
mina [271]

Answer:

C)~ \dfrac 29

Step-by-step explanation:

\text{The sum of two rational numbers is rational.}

7 0
1 year ago
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