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3 years ago

M = 72.7 What is Value of M?

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

4 0

Answer:

m iz 7 since is given in question

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Solve for x: 12 (x – 4)| + 7 = 25.

Rasek [7]

Question:

Solve for x: $12|x-4|+7=25$ . Fill in both values for x below. Write the greater value for x in the first column.

Answer:

$x=5.5$ and $x=2.5$ are the values for x.

Explanation:

The equation is $12|x-4|+7=25$

Subtracting both sides by 7,

$12|x-4|=18$

Dividing both sides by 12,

$|x-4|=1.5$

Now, we shall write the equation by removing modulus by adding plus and minus on the other side of the equation.

$x-4=1.5$ or $x-4=-1.5$

Solving the equation $x-4=1.5$ , we get,

$\begin{aligned} x-4 &=1.5 \\ x &=1.5+4 \\ x &=5.5 \end{aligned}$ or $\begin{aligned} x-4 &=-1.5 \\ x &=-1.5+4 \\ x &=2.5 \end{aligned}$

Thus, the solutions are $x=5.5$ and $x=2.5$

8 0

3 years ago

What is the value of the following expression 1.8 + 0.5(y + 6) - 2 t the power of 3 when y = 14?

Vikentia [17]

Answer:

The value of given expression is 3.8.

Step-by-step explanation:

Given:

$1.8+0.5(y+6)-2^3$

We need to find the simplified value of given expression using y =14

Solution:

Now we will substitute y =14 we get;

$1.8+0.5(y+6)-2^3\\\\1.8+0.5(14+6)-2^3$

Now using PEDMAS we will first solve the parenthesis we get;

$1.8+0.5\times20-2^3$

Now we will solve the exponent function we get;

we know that;

$2^3=8$

So we can say that;

$1.8+0.5\times20-8$

Now we will solve the multiplication operation.

$1.8+10-8$

Now we will perform addition operation.

$11.8-8$

And finally we will perform subtraction operation.

3.8

Hence The value of given expression is 3.8.

3 0

4 years ago

if the function g is defined by g(x)= {x/2+5 x<7 -3x+3 x >_ 7 what is the average rate of change of g over the interval 4&

OLEGan [10]

Average rate of change = [(g(7) - g(4))/(7 - 4) + (g(8) - g(7))/(8 - 7)] = [(7/2 + 5) - (4/2 + 5)]/(7 - 5) + [(-3(8) + 3) - (-3(7) + 3)]/(8 - 7) = [(8.5 - 7)/2 + (-21 - (-18))/1] = (1.5/2 + (-3)) = 0.73 - 3 = -2.25

8 0

3 years ago

What does the number line above represent?

sattari [20]

It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.

8 0

3 years ago

What fraction of a pound is eighty pence

AnnZ [28]

4/5 is the the fraction of a pound is eighty pence

8 0

3 years ago

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M = 72.7 What is Value of M?​

M = 72.7 What is Value of M?