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user100 [1]
3 years ago
7

Which expressions are equivalent to 5(3s-6a)

Mathematics
1 answer:
arsen [322]3 years ago
5 0

Answer:

15s-30a.

Step-by-step explanation:

Distribute 5 to 3s and 5 to 6a.

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Answer please nd thank u
Maksim231197 [3]

Answer:

I can't draw number 1 and 2, but

1. 6 stacked cubes

2. 10 stacked cubes

3. f=6, e=10, v=6

4. f=5, e=12, v=8

5. f=6, e=12, v=8

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1 year ago
If 4 + x = −3 + 2x, then 9x =_____?
gayaneshka [121]

Answer:

4+x=-3+2x

4+3=2x-x

7=x

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=63

Step-by-step explanation:

8 0
2 years ago
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Y is inversely proportional to (x + 2)
Ostrovityanka [42]

Answer:

y*(x+2)=k

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Step-by-step explanation:

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A bus travels from Station A to Station B, and a truck travels from Station B to Station A on the same road. The speed of the bu
prisoha [69]

Answer:

The distance between the two train stations is 1728 km

Step-by-step explanation:

The speed of the bus = 54 km/h

The speed of the truck = 48 km/h

When the bus and truck meet again, the distance covered by the bus = 216 km more than he distance traveled by the truck

Let the distance between the two train stations = x

Let the location where they first meet be y from station A we have;

The location where they meet again = y - 216 km

Therefore, we have;

Location where they

The time for the truck and the bus to meet again = t

Therefore, 54 × t - 48 × t = 216 km

6·t = 216 km

t = 36 hours

Therefore, the time for the bus to travel x + 216 km = 36 hours

54 × 36 = 1944 = x + 216

x = 1944 - 216 = 1728 km

The distance between the two train stations = 1728 km.

3 0
3 years ago
Two triangles are similar.The the smaller triangle has side 10,20 and 15 units the larger triangles longest side is 52 units.Wha
Oliga [24]

Answer: The perimeter of the largest triangle = 117 units.

Step-by-step explanation:

Sides of smaller triangle = 10,20 and 15 units

Longest side = 20 units

Longest side of larger triangle = 52 units

Sides of two similar triangles are proportional.

Let k be proportionality constant.

k=\dfrac{\text{Length in larger triangle}}{\text{Length in smaller triangle}}

k=\dfrac{52}{20}\\\\\Rightarrow\ k=\dfrac{13}{5}

Length of other two sides,

10\times\dfrac{13}{5}, 15\times\dfrac{13}{5}\ i.e.\ 26\text{ units}, 39\text{ units.}

So sides of larger triangle = 52 units, 26 units , 39 units

Perimeter of largest triangle = 52 +26+39 = 117 units

Hence, the perimeter of the largest triangle = 117 units.

4 0
3 years ago
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