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Romashka [77]
3 years ago
15

Jen and Kamlee are walking to school. After 20

Mathematics
1 answer:
iVinArrow [24]3 years ago
5 0

Answer:

Fghcv

Step-by-step explanation:

Gvhv

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Fabio and Carlos play on a basketball team together. In the last game, Fabio had 7 points less than 2 times as many points as Ca
masha68 [24]
Fabio=2(carlos)-7
31=2(x)-7
31-7=2x
24=2x
x=12
7 0
3 years ago
The sum of twice a number and 15 is grater the 3
NNADVOKAT [17]

Answer:

x>-6

Step-by-step explanation:

The expression you need to solve for this is: 2x+15>3

For now pretend that the > is a = and solve as you normally would for x.

Subtract 15 from both sides

2x=-12

Divide by 2

x=-6

Put the > back in

x>-6

4 0
2 years ago
Two cars start out together from the same place. they travel in opposite​ directions, with one of them traveling 5 miles per hou
Mashutka [201]
<u>Annotation</u>
General formula for distance-time-velocity relationship is as following
d = v × t
The velocity of the first car will be v₁, the time is 2 hours, the distance will be d₁.
The velocity of the second car will be v₂, the time is 2 hours, the distance will be d₂.


One of them traveling 5 miles per hour faster than the others. That means the velocity of the first car is 5 miles per hour more than the velocity of the second car.
v₁ = v₂ + 5  (first equation)

The distance of the two cars after two hours will be 262 miles apart. Because they go to opposite direction, we could write it as below.
d₁ + d₂ = 262 (second equation)

Plug the d-v-t relationship to the second equation
d₁ + d₂ = 262
v₁ × t + v₂ × t = 262
v₁ × 2 + v₂ × 2 = 262
2v₁ + 2v₂ = 262

Plug the v₁ as  (v₂+5) from the first equation
2v₁ + 2v₂ = 262
2(v₂ + 5) + 2v₂ = 262
2v₂ + 10 + 2v₂ = 262
4v₂ + 10 = 262
4v₂ = 252
v₂ = 252/4
v₂ = 63
The second car is 63 mph fast.

Find the velocity of the first car, use the first equation
v₁ = v₂ + 5
v₁ = 63 + 5
v₁ = 68
The first car is 68 mph fast.

Answer
\boxed{\boxed{ v_{1}=68mph} }
\boxed{\boxed{ v_{2}=63mph} }
7 0
3 years ago
Select a composite number to break into factors. continue factoring until all factors are prime
fgiga [73]

Answer:

2*2*3*3*5

Step-by-step explanation:

180 = 18*10

18 and 10 are both composite

       = 6*3    * 5*2

3,5,2 are prime but 6 is composite

     = 3*2  * 3 * 5 * 2

     All the factors are prime

Listing in order

2*2*3*3*5

6 0
3 years ago
Find the area of the shape shown below
ValentinkaMS [17]

Answer:

I don't have a calculator with me, and I'm lazy to take it, but here is how it's done

Step-by-step explanation:

First let's just take it as the shape is a perfect rectangle without any folds. Therefore just take

9 x (3.5 + 2) = 63

Now just count the area of those two folded triangles. Then just take 63 and minus of the area of those two triangles, that's your anwer

5 0
3 years ago
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