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3 years ago

Write the expanded form or fraction 24.357

Mathematics

2 answers:

Sphinxa [80]3 years ago

7 0

20+4+.3+.05+.007 is for expanded form

creativ13 [48]3 years ago

4 0

Fraction- 24 357
-------
1000

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Please help and good night

lana66690 [7]

Answer:

(7) n = ⁴/₃

(8) x = -5

(9) d = ³/₂

(10) v = -20

Step-by-step explanation:

(7) $n-\frac{8}{9} = \frac{4}{9}$

$n-\frac{8}{9} = \frac{4}{9} \\\\Collect \ similar \ terms \ together\\\\n = \frac{4}{9} + \frac{8}{9} \\\\n = \frac{4+8}{9} \\\\n = \frac{12}{9} \\\\n = \frac{4}{3}$

(8)

$\frac{3}{2} + \ x = -\frac{7}{2}\\\\collect \ similar \ terms \ together\\\\x = -\frac{7}{2} -\frac{3}{2} \\\\x = \frac{-7-3}{2} \\\\x = \frac{-10}{2} \\\\x = -5$

(9)

$\frac{6}{5} = \frac{d}{(\frac{5}{4} )} \\\\cross \ and \ multiply\\\\5d = 6(\frac{5}{4} )\\\\5d = \frac{30}{4} \\\\d = \frac{30}{4\times 5} \\\\d = \frac{30}{20} \\\\d = \frac{3}{2} \\\\d = 1\frac{1}{2}$

(10)

$-\frac{1}{8} v = \frac{5}{2} \\\\\frac{-v}{8} = \frac{5}{2} \\\\cross \ and \ multiply\\\\-2v = 40\\\\-v = \frac{40}{2} \\\\-v = 20\\\\v = -20$

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2 years ago

Pls help I don’t get any of them

JulijaS [17]

Answer:

Step-by-step explanation:

28. Area of the circle = π $r^{2}$ where r is the radius of the circle.

Given diameter = 14m, therefore radius = $\frac{14}{2}$ = 7m

Now area of the circle = 49 $\pi ^{2}$ or = 49 * 3.14 * 3.14 = 483.12 $m^{2}$

29. Volume of cylinder = π $r^{2}$ h = π* $1.5^{2}$ * 3 = 6.75π cu. feet or 21.195 cu. feet

30. A ball resembles a sphere. Volume of the sphere = $\frac{4}{3} \pi r^{3}$

Given diameter = 30inches; Therefore, radius = 15 inches

Now, Volume of the ball = $\frac{4}{3} \pi 15^{3}$ = 4500π cu. inches or 14310 cu.inches

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3 years ago

Help...............!

Neporo4naja [7]

Answer:

<h3>I had an advise that math antics can help u </h3>

Step-by-step explanation:

<h3>Thank you</h3>

5 0

2 years ago

School A has 480 students and 16 classrooms. School B has 192 students and 12 classrooms.

boyakko [2]

Answer:96

Step-by-step explanation:

A; 480/16 = 30 students per classroom

B: 192/12 =16 students per classroom

we need x such that $\frac{480-x}{16} = \frac{192+x}{12}$

which means

(480-x )* 12 should be equal to (192+x) * 16

5,760 - 12x = 3,072+16x

5,760 - 3,072 = 12x + 16x

2,688 = 28x

x = 96

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3 years ago

How can you use unit rates in multiplication to solve for missing measures and equivalent ratio problems?

vodka [1.7K]

By viewing equivalent ratios and rates as deriving from, and extending, pairs of rows (or columns) in the multiplication table and by analyzing simple drawings that indicate the relative size of quantities.

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3 years ago