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Rudik [331]
3 years ago
9

Graph the function f(x) = -4(2)^x

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
3 0

Answer:

a graph similar to that of the exponential function but below the "X" axis. Just like a mirror image of"e^x" and intercept the "y" axis when " X=4"

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11.3x = 15 - 2x<br> Help me
schepotkina [342]

Answer:  see below

Step-by-step explanation:

11.3x=15-2x

We move all terms to the left:

11.3x-(15-2x)=0

We add all the numbers together, and all the variables

11.3x-(-2x+15)=0

We get rid of parentheses

11.3x+2x-15=0

We add all the numbers together, and all the variables

13.3x-15=0

We move all terms containing x to the left, all other terms to the right

13.3x=15

x=15/13.3

x=1+1/7.8235294117647

   

7 0
3 years ago
Read 2 more answers
How is 21\30 bigger then 2\3
strojnjashka [21]
By reducing 21/30 you dived 21 and 30 by 3 and you will get 7/10. Is 7/10 larger than 2/3? If we put these fractions in decimal form we will see 7/10 turns into 0.7 and 2/3 turns into 0.667. So the answer is 21/30 is larger than 2/3.
3 0
3 years ago
A quilted block users eight parallelogram shaped pieces of clothe each with a base of 3/3/4 inches. How much fabric is needed to
borishaifa [10]

Answer:

The answer to the question is

37.5 ft² of fabric is needed to make the parallelogram pieces for 24 blocks.

Step-by-step explanation:

To answer the question, we note that  a parallelogram is a four sided polygon having two opposite parallel sides.

Therefore in this question, we select our parallelogram to be a rectangle

Number of pieces of parallelogram in a quilted block = 8

Number of parallelogram in each quadrant of the quilted block = 2

Therefore the height of the rectangle = 2 × the base = 2×3\frac{3}{4} = 7.5 inches

Therefore the area of each parallelogram = base × height

= \frac{15}{4}*\frac{15}{2} = \frac{225}{8} in²

since each quilted block uses 8 parallelogram, then the amount of fabric for each quilted block is

\frac{225}{8} *8 = 225 in^2

Hence 24 blocks wil require 24×225 in² = 5400 in²

However, since 144 in² = 1 ft² we have

5400 in² = 5400 in²× 1/144  ft²/in² = 37.5 ft².

7 0
3 years ago
Help please 23 points will make brainliest
svlad2 [7]
It should be 78.54.
Double check that. 
Formula: V=πr2h/3
r2 is R squared 
8 0
3 years ago
The sum of two numbers is 98. One number is 76 less than the other.
Lady bird [3.3K]

Answer:

Step-by-step explanation:

1. n + y = 98

2. n = 76 - t

7 0
3 years ago
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