(3 feet,9 inches)+(2 feet,11 inches)= feet, inches

Answers

Answer 1

Answer: Hi there, 3 feet + 2 feet= 5 feet and 9 inches + 11 inches = 20 inches. Therefore the answer is 5 feet, 20 inches

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Y=4x+19
-8x-5y=-11
Can u help me on this

Answers

y=4x+19 (1)
-8x-5y=-11 (2)
sub 1 into 2
-8x-5(4x+19)=-11
-8x-20x-95=-11
-28x-95=-11
-28x=84
x=84/-28
x= -3
sub into 1
y=4(-3)+19
y=7

therefore x= -3 and y=7

I'm just going to do substitution
Steps:
1. Substitute the y in -8x-5y=-11 for 4x + 19

-8x-5(4x + 19)= -11
-8x + (-20x) + (-95)= -11
-28x + (-95)=-11
2. Now add 95 on both sides
-28x= 84
3. Divide by 28 on both sides
4. X=-3
5. Now substitute the x in y= 4x + 19 for -3
Y= 4(-3) + 19
Y= -12 + 19
Y= 7
6. Your answer is x = 3 and y= 7 or (3,7)

Question 1 (1 point)Select all solutions to the equation.
3x – y=10
Only (4,-2)
Only (3, 1)
Both (4, -2) and (3, 1)
Neither

Answers

The answer is Neither

What is terminating decimal?

Answers

A terminating decimal is a decimal that ends. For example: 1.342

It does not repeat or continue forever.

eileen and Michelle scored 48% of their teams points.if their team had a total of 50 points, how many points did they score

Answers

Together they scored 24 points. Take the total number of points 50 x .48 = 24. If they had scored 50% of the points that would have been half for a total of 25.

Eileen and Michelle scored a total of 24 points together.

The object shown above has a mass of 10g. It is slowly lowered into the beaker of water as shown. Will it float?

Answers

Yes the object will be able to float

yes i think it will be able to float because it is so light.

Students were surveyed about their favorite colors one fourth of the students preferred red 1/8 of the students preferred blue, and3/5 of the remaining students preferred green. If 15 students prefer green how many students were surveyed

Answers

Let us assume the total number of students surveyed = x
Then
Number of students preferring red = x/4
Number of students preferring blue = x/8
Then
Number of students remaining = x - [(x/4) + (x/8)]
   =x - [(2x + x)/8)
   = x - (3x/8)
   = (8x - 3x)/8
   = 5x/8
Number of students preferring the color green = (3/5) * (5x/8)
   = 3x/8
We also know that the total number of students preferring the color green is 15
So
3x/8 = 15
3x = 15 * 8
x = (15 * 8)/3
   = 5 * 8
   = 40
So in total 40 students were surveyed. I hope the procedure is clear to you.

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