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Kaylis [27]
3 years ago
5

7w - 3(4w + 8) = 11 Solve​

Mathematics
1 answer:
Eduardwww [97]3 years ago
7 0

Answer:

7w - 3(4w + 8) = 11

Distribute.

-5w-24=11 Combine like terms on the left side.

-5w=11%2B24 Add 24 to both sides.

-5w=35 Combine like terms on the right side.

w=%2835%29%2F%28-5%29 Divide both sides by -5 to isolate w.

w=-7 Reduce.

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To rent a certain meeting room, a college charges a reservation fee of $ 46 and an additional fee of $ 6.40 per hour. The chemis
lisabon 2012 [21]

Answer:

Up to 5 hours

Step-by-step explanation:

<u>Given:</u>

  • One off fee = $46
  • Hourly rent = $6.4 / hr
  • Amount limitation= $78

<u>Equation to reflect the condition:</u>

  • 78 = 46 + 6.4t
  • 6.4t = 78 - 46
  • 6.4t = 32
  • t = 32/6.4
  • t = 5 hours max

So, the meeting room can be rented for up to 5 hours with $78

8 0
2 years ago
Decrease 1.25 km by 0.6%​
Anna35 [415]

Answer:

124250cm, 1242.5m or 1.2425km

Step-by-step explanation:

0.6% = 6/100

6/100 = 0.006

0.006*1.25 = 0.0075

1.25km = 1250m = 125000cm

0.0075km = 7.5m = 750cm

125000 - 750 = 124250

Therefore:

The answer is 124250cm, 1242.5m or 1.2425km

Sub to oTechz :)

4 0
2 years ago
Use the number line below, where RS=7y+3, ST=2y+9, RT=14y-8<br>a. What is the value of y?<br>y=
Ilia_Sergeevich [38]
RS+ST= RT
(7Y+3)+(2Y+9)= 14Y-8
9Y+12=14Y-8
5Y=20
Y=4
8 0
3 years ago
Write -6.1 as a mixed number in simplest form.
butalik [34]
-6.1=-(6+1/10)

-6 1/10
8 0
3 years ago
A tank is in the shape of a cylinder 7 feet tall and 10 feet and radius find the exact surface area of the tank
Varvara68 [4.7K]

Answer:

2036.75088022^{2} or 2036.8^{2} rounded to the nearest tenth

Step-by-step explanation:

1. Find the area of the base and the top, which are circles.

Area of circle : \pi 10^{2} = 986.960440109

There are 2 circles, soooooo....= 986.960440109 x 2 = 1973.92088022

2. Find the rest of the area of the cylander.

So, we have to find the circumference of the circle.

Circumference :2\pi10 = 62.83

3. Multiply circumference by height.

62.83 x 7 = 439.81

4. Add all of the products.

439.81 + 1973.92088022 = 2036.75088022^{2} or 2036.8^{2} rounded to the nearest tenth

6 0
3 years ago
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