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natali 33 [55]
3 years ago
6

How to do it and and explanation

Mathematics
1 answer:
TEA [102]3 years ago
5 0

Answer:

                   

Step-by-step explanation:

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Solve for x. 2 1/2x−3/4(2x+5)=3/8<br><br> Please hurry
Fofino [41]

Answer:

x= - 1.48 or 0.48

Step-by-step explanation:

I used general formula. Hope I'm on a right path.

8 0
2 years ago
The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19.
Ksivusya [100]
<span>The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19
the z-score is given by:
z=(x-</span>μ<span>)/</span>σ
plugging in the values in the expression we get:
z=(490.19-149.87)/68.29
z=340.32/68.29
z=4.9835
6 0
3 years ago
Which of the following is not the same as 0.00684 kg? 0.0684 dkg, 6.84 g,684 cg, 6,840 mg
victus00 [196]
Your answer is A.0.0684 dkg.

Hope this helps :)
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Mark Brainliest please

3 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (3,-7) and has a slope of -4/3?
Gemiola [76]

Answer:

4x + 3y + 9 = 0

Step-by-step explanation:

When a slope of a line and a point passing through it is given then we use slope - one point form to determine the equation of the line.

It is given by:

                      $ (y - y_1) = m (x - x_1) $

where $m$ is the slope of the line and

           $ (x_1, y_1) $ is the point passing through it.

Here, $ m = \frac{-4}{3} $ and $ (x_1 , y_1) = (3 , -7) $.

Substituting in the formula y +  7 = \frac{-4}{3} (x - 3)

$ \implies 3y + 21 = -4x + 12 $

$ 4x + 3y + 9 = 0 $

3 0
3 years ago
Matt plans to put concrete on a rectangular portion of his driveway. The portion is 8 feet long and 4 inches high. The price of
Veronika [31]
The dimensions given are 8 feet length and 4 inches height. The volume of the rectangular portion is $58.07 divided by $98 per cubic yard equal to 0.59255 cubic yards. 8 feet is equal to 8/3 yards and 4 inches is equal to 1/9 yards. Hence the width is equal to 0.59255 cubic yards / (8/3)/(1/9) yards2 equal to 2 yards
6 0
2 years ago
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