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konstantin123 [22]
3 years ago
9

I need to know the area

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

I got option 1.

Step-by-step explanation:

See pictures

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Five x plus seven is greater than or equal to 2
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I believe equal to two because 5x+7 do 5X to both sides 7÷5 is 1.4
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A rectangle has a height of 3 cm and width of 5cm. A proportional rectangle has a height of 12cm. What would be the width?
Schach [20]

The ratio will be same

  • Let width be x

\\ \sf\longmapsto \dfrac{3}{5}=\dfrac{12}{x}

\\ \sf\longmapsto 3x=5(12)

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\\ \sf\longmapsto x=\dfrac{60}{3}

\\ \sf\longmapsto x=20cm

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mojhsa [17]

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Step-by-step explanation:

this is the distance of these points

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2 years ago
If tan a = 9/40<br>use trigonometric identities to find the values of sin a and cos a.​
Sindrei [870]

Answer:

see explanation

Step-by-step explanation:

Given

tan a = \frac{9}{40} = \frac{opposite}{adjacent}

We require the hypotenuse h

Using Pythagoras' identity

h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )

h = \sqrt{1681} = 41 , thus

sin a = \frac{opposite}{hypotenuse} = \frac{9}{41}

cos a = \frac{adjacent}{hypotenuse} = \frac{40}{41}

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3 years ago
Given f(x)=2x+1 and g(x)=7-x. Find g(f(x)).
Darina [25.2K]

Answer:

f(g(x)) = 2(7 - x) + 1

Step-by-step explanation:

f(x) = 2x + 1

g(x) = 7 - x

The question in the picture itself says to find f(g(x)) so i'll find that instead

f(g(x)) = 2(7 - x) + 1

f(g(x)) = 14 - 2x + 1

f(g(x)) = -2x + 15

6 0
2 years ago
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