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Virty [35]
3 years ago
15

(2x + 3) + (4x + 5) please help im really confused

Mathematics
1 answer:
luda_lava [24]3 years ago
8 0

Answer: it's 6x + 8 if you solve it

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It is 170 miles from Bruce's house to the city where his brother lives. On his last trip to visit his brother, he drove for 2 ho
Rom4ik [11]

Speed of Bruce for the rest of the trip is 30 miles/hour.

Step-by-step explanation:

  • Step 1: Total distance = 170 miles. In the trip Bruce's speed = 55 miles/hour. So, in 1 hour, distance covered = 55 miles. Find distance covered in 2 hours and the distance of the last part.

Distance covered in 2 hours = 2 × 55 = 110 miles

Remaining part of the trip = 170 - 110 = 60 miles

  • Step 2: Find the speed of Bruce in the remaining part of the trip when time = 2 hours and distance = 60 miles.

Speed = Distance/Time = 60/2 = 30 miles/hour

5 0
3 years ago
Which of the following best describes an unpredictable event?​
Anna35 [415]

Answer:

B. The weather on a particular day a year from now

Step-by-step explanation:

We can only predict the weather in the near future, not long term or all time. The rest of the answer choices are predictable. We will always know the age of a person 10 years from now, we can predict the rating of the movie if we preview and watch it, and if a student studies enough/not enough we can predict the type of grade they will get on a test.

6 0
3 years ago
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How many plastic bags does a person in the United States use after 5 years?
solniwko [45]

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2 mill

Step-by-step explanation:

4 0
3 years ago
Can someone help me with this worksheet? Will give all my points.
VashaNatasha [74]

Answer:

Here are the formulas

Cube/Rectangular Prism:

Volume = Length*width*height

Surface area = 2(wl+hl+hw)

Lateral area= Area of vertical faces

Base area = length*width

Regular hexagonal prism:

Volume : (3sqrt3/2)*a^2*h

Surface Area  = 6ah+3sqrt(3)a^2

lateral area: 6ah

base area = 3sqrt(3)s^2/2

Triangular prism

Volume: The volume of a triangular prism can be found by multiplying the base times the height.

Surface area: A triangular prism has three rectangular sides and two triangular faces. To find the area of the rectangular sides, use the formula A = lw, where A = area, l = length, and h = height. To find the area of the triangular faces, use the formula A = 1/2bh, where A = area, b = base, and h = height.

Etc.

7 0
3 years ago
All of the awnser with explanations
Mashutka [201]
Question #1. The sum of any number times 11 that is 2 digits, would be the same the same number twice. For an example, 11 x 2 = 22. 11 x 3 = 33. 11 x 4 = 44. 11 x 5 =  55. 11 x 6 = 66. etc. 
Question #2. IDK ask someone else. Sorry.
Question #3. 70 chews in 100 seconds. Explanation 42 / 60 = 0.7.
0.7 x 100 = 70.
 please let someone else answer #'s 2, 4, 5, & 6. Mods, please do not delete this. -- _ --
5 0
3 years ago
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