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Flura [38]
3 years ago
5

Simplify the question :(4−5y)−2(3.5y−8)

Mathematics
1 answer:
BabaBlast [244]3 years ago
7 0

Answer:

-12y+20

Step-by-step explanation:

\left(4-5y\right)-2\left(3.5y-8\right)

Use distributive property.

-2\left(3.5y-8\right)

-2\cdot \:3.5y-\left(-2\right)\cdot \:8

-7y+16

4-5y-7y+16

Now, add like terms.

-5y-7y=-12y

\:4+16=20

-12y+20

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X/3/4 = 100<br> what does x equal
Crank

Answer:

x=1200

Step-by-step explanation:

x/3/4=100

Step 1: Multiply both sides by 4.

x/3/4=100

(x/3/4)*(4)=(100)*(4)

x/3=400

Step 2: Multiply both sides by 3.

3*(3/x)=(3)*(400)

x=1200

4 0
3 years ago
3m - 12 =18<br> Step by step
9966 [12]

Answer:

3m=18+12

3m=30

divide both sides by 3

m=10

6 0
3 years ago
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If a parking lot holds 1,600 cars and fills 3/4 of its spaces, how many spaces are filled?
AnnyKZ [126]

The total space in the parking lot is 1600 cars

It is mentioned that \frac{3}{4} parts of this parking is filled

Now we are required to find what is the three-fourths part of 1600

To find it we multiply \frac{3}{4} times 1600

\frac{3}{4}  X 1600

= \frac{3X1600}{4}

=\frac{4800}{4}

= 1200 cars

Hence 1200 cars fills the three-fourths of the car parking lot that has a capacity of 1600 cars

8 0
3 years ago
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Doreen is flipping two fair coins. What is the probability that both coins land on heads?
andrezito [222]

Answer:

There are four different possible outcomes: both coins are heads, the red coin is heads and the blue coin is tails, the red coin is tails and the blue coin is heads, or both coins are tails. Each outcome has equal probability. So the probability of both being heads is 1/4.

Step-by-step explanation:


6 0
3 years ago
Find the area of a parallelogram with the given vertices. P(-2, -5), Q(9, -5), R(1, 5), S(12, 5)
valentina_108 [34]

Answer:

The area of the parallelogram is 55 square unit.

Step-by-step explanation:

The area of a parallelogram is

A=\frac{1}{2}\times base\times height

It is given that the vertices of the parallelogram are  P(-2, -5), Q(9, -5), R(1, 5), S(12, 5).

Plot these points on a coordinate plane, and draw a perpendicular on PQ from the point R.

From the graph is clear that length of PQ is 11 and the height of the parallelogram is 10. So, the area of a parallelogram is

A=\frac{1}{2}\times 11\times 10

A=55

Therefore the area of the parallelogram is 55 square unit.

4 0
3 years ago
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