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weqwewe [10]
3 years ago
5

Simplify the expression where possible. (x 3y 2) 4

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

4x 12y 8

Step-by-step explanation:

hopefully this helps you

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The measures, in degrees, of the three angles of a triangle are given by 2x+1, 3x - 3, and 9x. What is the
valentinak56 [21]

Answer:

Step-by-step explanation:

27 degrees

6 0
3 years ago
A train leaves San Diego at 1:00 pm. A second train leaves the same city in the same direction at 3:00 pm. The second train trav
Soloha48 [4]

Answer:

The speed of the first train is 45 mph and the speed of the second train is 75 mph

Step-by-step explanation:

Let x represent the speed of the first train in mph. Since the second train, is 30 mph faster then the first, therefore the speed of the second train is (x + 30).

The first train leaves at 1:00 pm, therefore at 6:00 pm, the time taken is 5 hours. Therefore the distance covered by the first train at 6:00 pm = x mph * 5 hours = 5x miles

The second train leaves at 3:00 pm, therefore at 6:00 pm, the time taken is 3 hours. Therefore the distance covered by the second train at 6:00 pm = (x + 30) mph * 3 hours = (3x + 90) miles

Since the second train overtakes the first at 6:00 pm, hence:

3x + 90 = 5x

2x = 90

x = 45

Therefore the speed of the first train is 45 mph and the speed of the second train is 75 mph (45 mph + 30 mph).

7 0
3 years ago
Please help me, I really need help. I will mark brainliest answer!!
masha68 [24]
So, let's list the facts:
1) In a week, the eagle eats 3.85 kilograms
2) there are 7 days in a week
3) on each day, the eagle eats the same amount.
This means that in order to find out how much was eaten on each day, we need to divide the whole week's food by the number of days in a week:

3.85/7= 0.55

(3.85=3.5+0.35 and 5*7=55, so   (3.5+0.35)/7=0.5+0.05=0.55

Every day the eagle eats 0.55 kilograms of meat!
6 0
3 years ago
The weight of a nickel is 5g. How many mg does a nickel weigh?
telo118 [61]
Grams measures mass not weight

1 g = 1000 mg
(5 g)(1000) = 5000 mg

A nickel's mass is equal to 5000 mg
3 0
3 years ago
Marvin has read 8% of the novel he started reading last Saturday. Which decimal is equivalent to the percentage of the novel Mar
timama [110]

Answer:

0.8 or 0.08 i believe

Step-by-step explanation:

hope this helps!

8 0
2 years ago
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