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Vinvika [58]
2 years ago
7

Need help plz I'll give you brainlest it isn’t multiple choice plz help it geometry

Mathematics
1 answer:
Savatey [412]2 years ago
5 0
B is 747.7 ..................
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Find f(-3) for f(x) = 4(2)^x.<br> ОА. 1/8<br> O B. -32<br> O C. -24<br> OD. 1/2
Ipatiy [6.2K]

Answer:

D

Step-by-step explanation:

using the rule of exponents

a^{-m} = \frac{1}{a^{m} }

substitute x = - 3 into f(x)

f(- 3) = 4((2)^{-3} = 4 × \frac{1}{2^{3} } = 4 × \frac{1}{8} = \frac{1}{2}

5 0
2 years ago
Bill used candle molds, as shown, to make candles that were perfect cylinders and spheres.
34kurt

volume cylinder

=3.14×2^2×5

=62.8 cubic inches

volume sphere

=4/3×3.14×2^3

=33.49

difference between cylinder and sphere

=62.8-33.49

=29.31 cubic sphere

8 0
3 years ago
A rectangle's length is three times its width. Let w denote the rectangle's width. What polynomial represents the rectangle's ar
Ket [755]
<span>A = l x w
Since 
l = 3w

Substitute the l with 3w
The formula will be

A = 3w + w
A = 4w

An example:
The given known values are: Length of 4 cm Width is unknown Perimeter is 34 cm Find the dimensions of the rectangle.   Since the geometric formula for perimeter is: </span>
P= 2 (l + w) 
L = 2w – 4 cm 
W =?   
Derivation and solution: 
34 = 2 (2w - 4) + 2w <span>
34 =  4w – 8 + 2w</span> 
42 = 6w 42/6 = w 
W = 7 cm   

34 = 2l + 2(7) 
34 = 2l + 14 
2l = 34 – 14 
2l = 20 
L = 20/2 
L = 10 cm<span> <span>
</span></span>

7 0
3 years ago
HHHHHHHEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLPPPPPPPP
Furkat [3]

Answer:

120

Step-by-step explanation:

8 0
3 years ago
Please see answerrrrr
Hitman42 [59]

Answer:

1. 8/35

2. 13/35

Explanation:

You add the numbers in the parentheses first, then you multiply

1. 1/5 + 3/5 = 4/5

4/5 * 2/7 = 8/35

———————————

2. 1/5 + 3/5 * 2/7

You would multiply 3/5 and 2/7 first

1/5 + 6/35

Then you find a common denominator

1/5 = 7/35

Then you add 7/35 and 6/35

7/35 + 6/35 = 13/35

3 0
3 years ago
Read 2 more answers
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