2 years ago

Select the correct answer. Which expression is equivalent to if no denominator equals zero? A. B. C. D.

Mathematics

1 answer:

Nitella [24]2 years ago

8 0

there are multiple test versions of these:

16r^6s^3/8r^2s^6 answer = B. 2r^4/s^3

(4m^5n^2/m^n)^3 answer = A. 64m^9n^3

cd^4/c^2d^8 answer = C. 1/cd^4

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Diane made $286 for 13 hours of work,

lyudmila [28]

Answer:

8 hours

Step-by-step explanation:

286 divided by 13 is 22

so she's making 22 dollars an hour

22 times x = 176

x = 8

she would need to work 8 hours

4 0

2 years ago

Given: circle k(O), m LM = 164° m WK = 68°, m∠MLK = 65° Find: m∠LMW

Semenov [28]

Let P be a point outside the circle such that triangle LMP has legs coincident with chords MW and LK (i.e. M, W, and P are colinear, and L, K, and P are colinear). By the intersecting secants theorem,

$m\angle LPM=\dfrac{m\widehat{LM}-m\widehat{WK}}2\impliesm\angle LPM=48^\circ$

The angles in any triangle add to 180 degrees in measure, and $\angle MLK\congruent\angle MLP$ and $m\angle LMW=m\angle LMP$ , so that

$m\angle MLK+m\angle LPM+m\angle LMP=180^\circ$

$\implies\boxed{m\angle LMW=67^\circ}$

6 0

3 years ago

A jar contains 133 pennies. A bigger jar contains 1 2/7 times as many pennies. What is 5he value of the pennies in the bigger ja

boyakko [2]

1(2/7)= 9/7

133/1×9/7= 171 pennies.

4 0

3 years ago

Read 2 more answers

What is the median of this set of data:593,588,540,434,420,398,390,375

devlian [24]

Answer:

427

Step-by-step explanation:

5 0

3 years ago

I need to know how to do Solving Systems of Equations by Elimination

vredina [299]

The point of elimination is to have one variable so example

3x + 2y = 4

7X + 3y = 5

1) Try to find a way to have one variable

7(3x + 2y = 4) ----> 21x + 14y = 28

-3(7x+ 3y = 5) -----> -21x -9y = -15

2) add

0 + 5y = 13

3) solve for the last variable

5y = 13
y = 13/5 = 2 3/5 = 2.8

4) Subsitute the variable to get the other one

3x + 2(2.8) = 4

3x + 5.6 = 4

3x = -1.6

x = 0.533333333 (continue)

The intersection would be 0.53 with a line above the 3 and 2.8. (0.5333 , 2.8)

Hope you understand!!

6 0

3 years ago