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Anarel [89]
3 years ago
10

The sum of m and the difference of r and 2

Mathematics
1 answer:
seropon [69]3 years ago
7 0

Answer:

Step-by-step explanation:

Read simply, it is m + (r - 2). It is a very clear statement, so you can depend on the answer.

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What is the value of x in parallelogram QRST?<br><br> 16<br> 12<br> 8 <br> 4
Wewaii [24]
This is parallelogram so
8=2x
X=4
Or
3x=12
So again we will find x=4
3 0
3 years ago
For the level 3 course, exam hours cost twice as much as workshop hours, workshop hours cost twice as much as lecture hours. How
natulia [17]
<h2>Answer</h2>

Cost of lectures = $7.33 per hour

<h2>Explanation</h2>

Let e the cost of the exam hours

Let w be the cost of the workshop hours

Let l be the cost of the lecture hours.

We know from our problem that exam hours cost twice as much as workshop, so:

e=2w equation (1)

We also know that workshop hours cost twice as much as lecture hours, so:

w=2l equation (2)

Finally, we also know that 3hr exams 24hr workshops  and 12hr lectures cost $528, so:

3e+24w+12l=528 equation (1)

Now, lets find the value of l:

Step 1.  Solve for l in equation (3)

3e+24w+12l=528

12l=528-3e-24w equation (4)

Step 2. Replace equation (1) in equation (4) and simplify

12l=528-3e-24w

12l=528-3(2w)-24w

12l=528-6w-24w

12l=528-30w equation (5)

Step 3. Replace equation (2) in equation (5) and solve for l

12l=528-30w

12l=528-30(2l)

12l=528-60l

72l=528

l=\frac{528}{72}

l=\frac{22}{3}

l=7.33

Cost of lectures  = $7.33 per hour



3 0
3 years ago
Read 2 more answers
1.
Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

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2 years ago
Is the center of dilation colinear with the hypotenuses of the right triangles shown?
Novay_Z [31]

Answer:

the answer is b

Step-by-step explanation:

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3 years ago
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