3/4+ 3/7+ 4/9 FRACION HETEROGENEA

Answers

Answer 1
Answer:

Answer:

409/252

Step-by-step explanation:

3/4+3/7+ 4/9= 63x3+36x3+28(2^2)/ 2^2x7x3^2

if I am wrong I am sorry


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Evaluate the function f(x)=3x+12 with x+6. f(x+6) = 6x + 60 f(x+6) = 2x - 30 f(x+6) = 3x + 30 f(x+6) = 30

3.Solve the formula for the area of a parallelogram the height, h.
A=b xh
h =
(use the / symbol to show division)

Answers

Answer:

The answer would be A/B=H

Step-by-step explanation:

To get rid of the B that is connected to the H, you would do the opposite of what they used. Meaning since the two were multiplied you would divide them. So, you would take your b and divide it on both sides of the equal sign. B and B cancels each other out so you are left with A/B which equals H.

A cell-phone plan advertises 800 free minutes. Of those, 200 are daytime minutes. What fractions of the free minutes are on nights and weekend?A. Less than 1/4
B. Exactly 1/4
C. Exactly 3/4
D. More than 3/4

Answers

Exactly 3/4 because in the end you'll only have the 600 minutes remaining

A line passes through the point (-3, -3) and has a slope of 1/2 What is the equation of the line? Solve the system of equations. 2x + 3y = 6 x + y = 4

Answers

y-y1=m(x-x1)
(x1,y1) is a given point
m=slope
y-(-3)=1/2(x-(-3))
y+3=1/2(x+3) is an equation



2x+3y=6
x+y=4
multiply second equation by -2 and add to first

2x+3y=6
-2x-2y=-8 +
0x+1y=-2

y=-2
sub back

x+y=4
x-2=4
add 2
x=6

x=6
y=-2
(6,-2)

George used the diagram below to help determine 30% of 60. Which expression could George have used?

Answers

Answer:

(3)(6)

Step-by-step explanation:

1st. Find the answer(60*30%=18)

2nd. Find the option that equals 18 which was (3)(6)

Basically, for all of questions that ask for a different way to express it, multiply the total amount by the percentage(or decimal/fraction) and find the other expression with the same answer.

Answer:

(3)(6)

Step-by-step explanation:

i did the test

Solve for x !!!!!!!!!!!!!!!!

Answers

Answer:

-9

Step-by-step explanation:

180=85+44+60+(x)-9

Answer:

A. -9

Step-by-step explanation:

A triangle equals 180 degrees so:

60 + 85 + x + 44 = 180

add like terms

x + 189 = 180

subtract 189 from both sides

x = -9

Sally has 15 marbles in a bag. 6 are blue, 3 are red, 4 are yellow and 2 are black. What is the probability that Sally draws a blue marble?

Answers

There is a 6 out of 15 chance of pulling a blue marble