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3 years ago

Please HELP ME PLEASE PLEASE PLEASE PLEASE

Mathematics

2 answers:

alina1380 [7]3 years ago

8 0

10 is 35 because 100 is 350, you take off a zero from 100 so you take off a zero from 350, just a simple trick

Lubov Fominskaja [6]3 years ago

4 0

Answer:

10: 35

70: 245

2: 7

1: 3.5

5: 17.5

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6)a garden was square, but last year she made it makes or shortening one side 5 meters and the other 8 meters. If the area of th

Alekssandra [29.7K]

Answer:

let dimention of original garden be x

then (x-8)(x-5) = 180

x^2 -13x -140 = 0

(x-20)(x+7)=0

x= 20 or x = -7

x = 20

original area = (20)^2

= 400 m^2

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2 years ago

Please help me!!!!! (25 points)<br> Right answers only!!!!!!

Sunny_sXe [5.5K]

The correct answer would be 8

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3 years ago

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fenix001 [56]

Answer:

Infinatly many solutions

Step-by-step explanation:

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3 years ago

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Joel earns $1,700 per month . If he spends $425 on rent each month, what percent of his income does he spend on rent ?

irakobra [83]

Answer:

Step-by-step explanation:

The percent of his income does he spend on rent = (425 / 1700) * 100

= 425*100 / 1700

= 425 /17

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3 years ago

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If 1st and 4tg terms of G.p are 500 and 32 respectively it's second term is ?

bixtya [17]

Answer:

$T_{2} = 200$

Step-by-step explanation:

Given

Geometry Progression

$T_1 = 500$

$T_4 = 32$

Required

Calculate the second term

First, we need to write out the formula to calculate the nth term of a GP

$T_n = ar^{n-1}$

For first term: Tn = 500 and n = 1

$500 = ar^{1-1}$

$500 = ar^{0}$

$500 = a$

$a = 500$

For fought term: Tn = 32 and n = 4

$32 = ar^{4-1}$

$32 = ar^3$

Substitute 500 for a

$32 = 500 * r^3$

Make r^3 the subject

$r^3 = \frac{32}{500}$

$r^3 = 0.064$

Take cube roots

$\sqrt[3]{r^3} = \sqrt[3]{0.064}$

$r = \sqrt[3]{0.064}$

$r = 0.4$

Using: $T_n = ar^{n-1}$

$n = 2$ $r = 0.4$ and $a = 500$

$T_{2} = 500 * 0.4^{2-1}$

$T_{2} = 500 * 0.4^1$

$T_{2} = 500 * 0.4$

$T_{2} = 200$

<em>Hence, the second term is 200</em>

5 0

3 years ago