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Readme [11.4K]
3 years ago
14

What number makes the expressions equivalent? Enter your answer in the box. 12 (â€""1. 4m 0. 4) = m 0. 2.

Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

The value of "m' that makes the expression equivalent is 0.2584

Given the expression 12 (–1.4m + 0.4) = m + 0.2

We need to solve for the value of m from the expression.

  • 12 (–1.4m + 0.4) = m + 0.2

Expand using the distributive law:

12(-1.4m) + 12(0.4) = m +  0.2

16.8m + 4.8 = m + 0.2

Collect the like terms:

-16.8m - m = 0.2 - 4.8

-17.8m = -4.6

m = 4.6/17.8

m = 0.2584

Hence the value of "m' that makes the expression equivalent is 0.2584

Learn more on expressions here: brainly.com/question/22048677

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Need your help plz and thank you
emmainna [20.7K]

Answer:

Point D

Step-by-step explanation:

Point D(x,y) x=4, y=4/2=2

5 0
3 years ago
PLEASE HELP ASAP!!!!
lina2011 [118]
<h3>Answer:</h3>

System

  • p + m = 10
  • 0.8m = 0.4·10

Solution

  • p = m = 5 — 5 lb peanuts and 5 lb mixture
<h3>Step-by-step explanation:</h3>

(a) Generally, the equations of interest are one that models the total amount of mixture, and one that models the amount of one of the constituents (or the ratio of constituents). Here, there are two constituents and we are given the desired ratio, so three different equations are possible describing the constituents of the mix.

For the total amount of mix:

... p + m = 10

For the quantity of peanuts in the mix:

... p + 0.2m = 0.6·10

For the quantity of almonds in the mix:

... 0.8m = 0.4·10

For the ratio of peanuts to almonds:

... (p +0.2m)/(0.8m) = 0.60/0.40

Any two (2) of these four (4) equations will serve as a system of equations that can be used to solve for the desired quantities. I like the third one because it is a "one-step" equation.

So, your system of equations could be ...

  • p + m = 10
  • 0.8m = 0.4·10

___

(b) Dividing the second equation by 0.8 gives

... m = 5

Using the first equation to find p, we have ...

... p + 5 = 10

... p = 5

5 lb of peanuts and 5 lb of mixture are required.

8 0
4 years ago
Samira ran around a park loop that was one-third mile long. she ran around the loop nine times. samira says she ran 9/3 miles. h
Alexeev081 [22]
1/3 mile x 9 times = 3

They both are 9/3 simplifies to 3
4 0
3 years ago
PLEASE HELP FAST!! I apologize for the pictures being sideways.
natima [27]

Answer:

a) 180

b) CJ= 5.83095189485

CK= 9.89949493661

CL= 8.0622577483

c) All angles formed by a point and its image, with the vertex at the center of rotation, are congruent. Each point on the original figure is the same distance from the center of rotation as its image.

Step-by-step explanation:

8 0
4 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%205x%20-%202" id="TexFormula1" title="f(x) = 5x - 2" alt="f(x) = 5x - 2" align=
umka2103 [35]

y = 5x-2

y = mx+b

the y intercept is -2

the slope is 5

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