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LenKa [72]
3 years ago
8

−p(d+z)=−2z+59. solve for z.

Mathematics
2 answers:
densk [106]3 years ago
6 0
-pd - pz = -2z + 59
-pz = -2z + 59 + pd
-pz + 2z = 59 + pd
-z(p - 2) = 59 + pd
-z = 59 + pd over p - 2
z = -59 + pd/p - 2.
QveST [7]3 years ago
4 0

we have

-p(d+z)=-2z+59

Solve for z

-p(d+z)=-2z+59\\-pd-pz=-2z+59

Group terms that contain the variable z, and move the other terms to the opposite side of the equation

-pz+2z=59+pd\\z(2-p)=59+pd

Divide by (2-p) both sides

z=\frac{(59+pd)}{(2-p)}

therefore

<u>the answer is</u>

z=\frac{(59+pd)}{(2-p)}

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Find the slope for a line perpendicular to y= -5/3x+7
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Answer:

3/5

Step-by-step explanation:

To find the slope of the given line we need to get the line into slope-intercept form (y = mx + b), which means we need to solve for y: The slope of the line y=-5/3x+7  is m = 3/5. Step 2: Use the slope to find the y-intercept.

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3 years ago
Simplify(x²y³z²)and evaluate x³yz²)and evaluate x=½,y=2,z=3
Usimov [2.4K]

Answer:

(½² x 2³ x 3²)

¼ x 8 x 9

¼ x 72

= 18

½³ x 2×3

Step-by-step explanation:

½² x 2³ x 3²

¼ x 8 x 9

¼ x 72

= 18

½³ x 2 x 3²

⅛ x 2 x 9

⅛ x 18

¼ x 9

9/4

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5 0
3 years ago
What is the slope of the line that passes through the points (-5, -7)(−5,−7) and (4, -1) (4,−1)
strojnjashka [21]

Answer:

2/3

Step-by-step explanation:

REmember that the slope of a line is y/x. To find this, we must use the formula:

y2-y1/x2-x1=y/x

So this is -1 - -7/4- -5. The  -1 -- 7 is actually -1+7. This is 6, meaning y equals 6.

The x is 4 - - 5 is actually 4+5. This is 9, meaning x is equal to 9.

We can now write this as y/x. This would be 6/9.

Once we simplfy this, we get 2/3.

Answer:

<u>2/3</u>

<u />

6 0
2 years ago
What is the difference?<br> X/x^2-16 - 3/x-4
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Step-by-step explanation:

8 0
2 years ago
Jayne evaluated an expression that has a value of StartFraction 1 Over 729 EndFraction. Which expression could Jayne have evalua
Paul [167]

Option b: 9^{-3}

Option c: 3^{-6}

Explanation:

The given expression is \frac{1}{729}

To determine from the options which are equivalent to the expression \frac{1}{729}

Option a: (-9)^{3}

Simplifying the expression, we have,

(-9)^{3}=-9\times-9\times-9=-729

which is not an equivalent expression to \frac{1}{729}

Hence, Option a is not the correct answer.

Option b: 9^{-3}

Simplifying the expression, we have,

9^{-3}=\frac{1}{9^{3} } =\frac{1}{729}

which is an equivalent expression to  \frac{1}{729}

Hence, Option b is the correct answer.

Option c: 3^{-6}

Simplifying the expression, we have,

3^{-6}=\frac{1}{3^{6} } =\frac{1}{729}

which is an equivalent expression to  \frac{1}{729}

Hence, Option c is the correct answer.

Option d: \left(\frac{1}{9}\right)^{-6}

Simplifying the expression, we have,

\left(\frac{1}{9}\right)^{-6}=\frac{1}{\left(\frac{1}{9}\right)^{6}}=\frac{1}{\frac{1}{531441}}=531441

which is not an equivalent expression to \frac{1}{729}

Hence, Option d is not the correct answer.

Option e: \left(\frac{1}{3}\right)^{-6}

Simplifying the expression, we have,

\left(\frac{1}{3}\right)^{-6}=\frac{1}{\left(\frac{1}{3}\right)^{6}}=\frac{1}{\frac{1}{729}}=729

which is not an equivalent expression to \frac{1}{729}

Hence, Option e is not the correct answer.

Option f: (-3)^{6}

Simplifying the expression, we have,

(-3)^{6}=-3\times-3\times-3\times-3\times-3\times-3=-729

which is not an equivalent expression to \frac{1}{729}

Hence, Option f is not the correct answer.

8 0
3 years ago
Read 2 more answers
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