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3 years ago

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Mathematics

2 answers:

Katyanochek1 [597]3 years ago

8 0

Answer:

X=12/tan35⁰

x=17.138

In the tenth

x=17.14

Maurinko [17]3 years ago

3 0

Answer:

17.1

Step-by-step explanation:

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PLS HELP ITS URGENT!!

suter [353]

2(pi)r = 9.4in
(pi)r = 4.7in
3.14r = 4.7in
r = 1.497in

Surface Area Of a Sphere = 4(pi)r^2 = [4(3.14)(1.497)^2]in^2 = 28.147in^2 = 28in^2
Volume Of a Sphere = 4/3(pi)r^3 = [4/3(3.14)(1.497)^3]in^3 =14.05in^3 = 14in^3

5 0

2 years ago

I NEED HELP ASAP!!!

SVETLANKA909090 [29]

Answer:

sometimes

Step-by-step explanation:

5 0

3 years ago

Amy purchased 17 pencils and 18 pens for a fund-raiser at school and spent $61.50. Jocelyn purchased 10 pencils and 21 pens and

tresset_1 [31]

Let,
pencils be "x"
pens be "y"

According to the question,
17x + 18y = 61.50 ----------> equation (1)
10x + 21y = 57 -----------------> equation (2)

Now,
Taking equation (1),
17x + 18y = 61.50
18y = 61.50 - 17x
y = (61.50 - 17x ) / 18 -----> equation (3)

Now, substituting the value of "y" in equation (2), we get,

$10x+21( \frac{61.50-17x}{18} )=57$

$10x+7( \frac{61.50-17x}{6} )=57$

$10x+ \frac{430.50-119x}{6}=57$

$10x* \frac{6}{6} + \frac{430.50-119x}{6}=57$

$\frac{60x}{6} + \frac{430.50-119x}{6}=57$

$\frac{430.50+60x-119x}{6}=57$

$430.50-59x=57*6$

$430.50-59x=342$

$59x=430.50-342$

$x=\frac{88.5}{59}$

$x=1.5$

Now,
Substituting the value of "x" in equation (3), we get,

$y =\frac{61.50-17x}{18}$

$y =\frac{61.50-17(1.5)}{18}$

$y =\frac{61.50-22.5}{18}$

$y =\frac{39}{18}$

$y =2.17$

$y =2$ approx. (rounded)

So, Each pencil costs $1.5 and each pen costs $2.

8 0

3 years ago

Use the drop-down menus to select answer.

N76 [4]

What is the question?

Use mentioned the directions, not the question itself.

7 0

4 years ago

32 pages to 28 pages.

irinina [24]

Answer:

12.5%