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3 years ago

Simplify the expression of 1.2x + 3y - 3 - 4.7x by combining like terms. ASAP

Mathematics

2 answers:

EastWind [94]3 years ago

5 0

Answer:

-3.5x + 3y - 3

Step-by-step explanation:

1.2x + 3y - 3 - 4.7x

=> -3.5x + 3y - 3

Therefore, our simplified expression is -3.5x + 3y - 3

Hoped this helped.

Rina8888 [55]3 years ago

3 0

Answer: -3.5x + 3y - 3

Step-by-step explanation:

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Pls answer quickly!!!

gizmo_the_mogwai [7]

Answer:

x = 90

y = 100

z = -10

Step-by-step explanation:

To find x and y in the above parallelogram ABCD as shown above, recall that one of the properties of a parallelogram is: the consecutive angles in a parallelogram are supplementary.

This means that the sum of angle A and angle B in the parallelogram ABCD = 180°.

Thus,

(x + 30)° + (x - 30)° = 180°

Solve for x

x + 30 + x - 30 = 180

x + x + 30 - 30 = 180

2x = 180

Divide both sides by 2

2x/2 = 180/2

x = 90

=>Find y:

Also, recall that opposite angles in a parallelogram are congruent.

This means, angle A and angle C in parallelogram ABCD above are equal.

Thus,

(x + 30)° = (y + 20)°

Plug in the value of x to solve for y

90 + 30 = y + 20

120 = y + 20

Subtract 20 from both sides

120 - 20 = y

100 = y

y = 100

=>Find z, if z = x - y

z = 90 - 100

z = -10

8 0

4 years ago

What is the greatest common factor (GCF) of 80 and 100?

marshall27 [118]

Answer:

20.

Step-by-step explanation:

We found the factors and prime factorization of 80 and 100. The biggest common factor number is the GCF number. So the greatest common factor 80 and 100 is 20

4 0

4 years ago

Read 2 more answers

A right circular cylinder has a height of 19 3/4 ft and a diameter 1 2\5 times its height.

alexira [117]

Answer:

Volume of cylinder is 34833.21 ft³

Step-by-step explanation:

Given : A right circular cylinder having height $19\frac{3}{4}$ ft and diameter $\frac{12}{5}$ times its height.