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QveST [7]
3 years ago
14

-8 (5-4x) + 6w x=4 w -9

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
7 0

Answer:

Let's solve for w.

−8(5−4x)+6wx=4w−9

Step 1: Add -4w to both sides.

6wx+32x−40+−4w=4w−9+−4w

6wx−4w+32x−40=−9

Step 2: Add -32x to both sides.

6wx−4w+32x−40+−32x=−9+−32x

6wx−4w−40=−32x−9

Step 3: Add 40 to both sides.

6wx−4w−40+40=−32x−9+40

6wx−4w=−32x+31

Step 4: Factor out variable w.

w(6x−4)=−32x+31

Step 5: Divide both sides by 6x-4.

w(6x−4)

6x−4

=

−32x+31

6x−4

w=

−32x+31

6x−4

Answer:

w=

−32x+31

6x−4

Step-by-step explanation:

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4. A plumber charges $25 for a service call plus $50 per hour of service. Write an equation in slope-intercept form for the cost
Pani-rosa [81]

Answer:

The total cost for 8 hours of work is $425.

The total cost for 10 hours of work is $525.

The total amount the plumber earns is made up of a fixed charge and a variable charge. A fixed charge is a charge that remains constant regardless of the number of hours the plumber works. The fixed charge is $25. The variable charge is the charge that increases per hours worked. The variable charge is $50 per hour.

Cost = fixed charge + variable charge

C = $25 + $50h

The total cost for 8 hours

$25 + $50(8)

$25 + $400

= $425.

The total cost for 10 hours

$25 + $50(10)

$25 + $500

$525.

Step-by-step explanation:

hope this helps

8 0
2 years ago
How much will you get paid if you work 28.5 hours for $7.75 per hour?
Wewaii [24]

Step-by-step explanation:

<h3>Answer:-</h3>

Here, Unitary Method is used. It tells:-

\bf{1 \ hour =} $ \bf{7.75}

\bf{28.5 \ hours =} $ \bf{(7.75 \times 28.5)}

$ \bf{220.875} is the answer.

Hope it helps :D

3 0
3 years ago
Emily paid 287.50 in taxes to the school. This years taxes were 15% increase from last year. What did Emily pay?
Vadim26 [7]
$287.50+17%=$330.625
6 0
3 years ago
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3 years ago
What is the point-slope form of a line thats has a slope of-4 and passes through point (-3,1)
ANEK [815]

Answer:

y - 1 = -4(x+3)

Step-by-step explanation:

We will use the point slope form of a line

y-y1 = m(x-x1)  where m is the slope and (x1,y1) is the point

y - 1 = -4(x--3)

y - 1 = -4(x+3)

4 0
4 years ago
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