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Ivan
3 years ago
13

0.4b+1.3=0.4(b-5) solve equation

Mathematics
1 answer:
Ivan3 years ago
4 0

Answer:

Step-by-step explanation:

At first sight this equation has 3 terms.  Multiply all 3 of them by 10 to remove the fractions:

4b + 13 = 4(b - 5)

Carrying out the multiplication, we get:

4b + 13 = 4b - 20

This can never be true (13 is never equal to -20), so this equation has NO SOLUTION.

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Can someone help me I am stuck on this question it would mean the world if u helped me! and TYSM! for the people who helped me h
Varvara68 [4.7K]

Answer:

33.75 pounds

Step-by-step explanation:

6x3=18

18x30=540

540oz to pounds is

33.75 pounds

6 0
3 years ago
Michael cuts a piece of wood for a project. The first cut is shown and can be represented by the equation . The second cut needs
Verdich [7]
Short Answer: A
Remark

The second cut is going to have the same slope as the original line. The lines are parallel.

Step One
You need to find the slope. That is the main part of this problem. You can pick any 2 points on the graph to do that.

<em>Point one</em> 
(- 11, 10) That point is on the upper left of the line

<em>Point Two</em>
The y intercept is a handy point in this question. It is right on the y axis. Each square counts as 2, so it is at (0,6)

<em>Formula</em>
slope = m = (y2 - y1) / (x2 - x1)

<em>Givens</em>
y2 = 10
y1 = 6
x2 = -12    Each square counts as 2 in the x direction.
x1 = 0

<u>Substitute and solve.</u>
m = (10 - 6) / (-12 - 0)
m = 4/ - 12
m = - 1/3

Step Two
Find the y intercept of the new line using the given point. 

So far what we have is  
y = (-1/3)x + b
The point used for the second line is (0,-2)
-2 = (-1/3)*0 + b 
b = - 2

Answer
The second line is
y = (-1/3)x - 2

8 0
4 years ago
How would you find the zero of f (x)=16x^4 - 9x^2
krok68 [10]
f (x) = 16x ^ 4 - 9x ^ 2 \\ \\16x ^ 4 - 9x ^ 2=0\\ \\x^2(16x^2-9)=0 \\ \\x^2 =0 \ \ or \ \ 16x^2-9=0\\ \\ x=0 \ \ or \ \ (4x-3)(4x+3)=0\\ \\ x=0 \ \ or \ \  4x-3=0 \ \ or \ \ 4x+3 =0\\ \\x=0 \ \ or \ \  4x=3 \ \ / :4 \ \ or \ \ 4x=-3\ \ / :4 \\ \\ x=0 \ \ or \ \   x=\frac{3}{4} \ \ or \ \  x=-\frac{3}{4}
3 0
3 years ago
Read 2 more answers
What is the solution to 2.1m = 6.3? A. m = 8.4 B. m = 3 C. m = 3.2 D. m = 4.2
sdas [7]
\bf \frac{~~2.1m}{2.1} = \frac{6.3}{2.1} \newline \newline m ~=~3
7 0
3 years ago
A pizza has 3 toppings with no toppings overlapping. Pepperoni tops 1/3 of the pizza and mushroom top 2/5. The rest is topped wi
Bond [772]
\frac{1}{3} + \frac{2}{5} + x=1&#10;
x= 1- \frac{5}{15} - \frac{6}{15} = \frac{15}{15} - \frac{11}{15} = \frac{4}{15}
Answer: Sausage tops \frac{4}{15} of the pizza
3 0
4 years ago
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