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3 years ago

I need helpppppppppppppp please

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

7 0

It’s be because I took that same answer and I know it’s b so yeah

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The sum of 3 numbers is 108. The first number is 8 less than the second. The third number is 3 times the first. What are the num

goldenfox [79]

Step-by-step explanation:

hope you can understand it properly

8 0

3 years ago

PLZ HELP! please answer both if you can!!

aniked [119]

Answer:

0.324m^2 ; 18 ft

Step-by-step explanation:

Given the triangle :

Base (b) of triangle = 54cm

Height (h) of triangle = 1.2m

Area(A) of a triangle is given by:

0.5 * base * height

Base = 54cm = 54/100 = 0.54 m

Therefore,

A = 0.5 * 0.54m * 1.2m

A = 0.324m^2

2.) Average of the two bases in the trapezoid :

From the trapezium Given :

Base 1 = 15 feets

Base 2 = 7 yards

1 yard = 3 Feets

Therefore, base 2 in Feets = 7 * 3 = 21 Feets

Average of the two bases :

(21 Feets + 15 Feets) / 2

= 36 Feets / 2

= 18 Feets

5 0

4 years ago

NEED HELP ASAP PLEASE !!! thank you

Vinvika [58]

Answer

do use c.x>3.9

6 0

2 years ago

The focal length F of a lens made by combining two lenses of focal length U and V is given I/F=I/U+I/V

jolli1 [7]

Answer:

a). $V=\frac{U.F}{U-F}$

b). V = 15 units

Step-by-step explanation:

Focal length F of a lens made by combining two lenses of different focal lengths U and V will be,

$\frac{1}{F}=\frac{1}{U}+\frac{1}{V}$

A). By solving the given formula,

$\frac{1}{V}=\frac{1}{F}-\frac{1}{U}$

$\frac{1}{V}=\frac{U-F}{U.F}$

$V=\frac{U.F}{U-F}$

B). If F = 6 and U = 10 then we have to find the value of V.

By substituting the given values in the formula,

$V=\frac{6\times 10}{10-6}$

$V=\frac{60}{4}$

V = 15 units

Therefore, focal length (V) of the lens = 15 units

4 0

3 years ago

HELP PLSS ASAPPP!!!!

neonofarm [45]

I think it’s c............

5 0

3 years ago