Find two square numbers which a
Have the sum of 130

Answers

Answer 1

Answer: 1 + 129 equals 130 that equals 130

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I need this question to be answered right away!!!!!
What is x+y+4x-3x+2y+ 3y

7/10 in a decimal????? ¡

Answers

7/10 is just 0.7 as a decimal

.7 since 7 divided by 10 is .7 :)

Is 5.1 less than 5.06

Answers

Answer:

5.1 IS less than 5.06

Step-by-step explanation:

5.1 is less than 5.06 because you can always add and take away the zero if you wanted to.

No 5.1 = 5.10 and 5.10 is greater than 5.06

A bag contains 30 marbles, 3 of which are blue, 20 are red, 5 are green, and 2 are purple. Emerson takes a marble out of the bag, records the color, and returns it to the bag. How many purple marbles should he expect after 300 trials?

Answers

20 purple marbles.
2/30 is the probabilty of getting a purple marble when there is 30 marbles.
2/30=20/300.

Answer:

Step-by-step explanation:

I did the FLVS quiz

2 and 1/2 divided by 1 and 5/8 equals A.1 and 3/5
B.13/20
C.1 and 7/13
D.4 and 1/16

Please Help Me! :)

Answers

If you would like to solve 2 1/2 divided by 1 5/8, you can calculate this using the following steps:

2 1/2 / 1 5/8 = 5/2 / 13/8 = 5/2 * 8/13 = 20/13 = 1 7/13

The correct result would be C. 1 and 7/13.

$7 {x}^(2) - 3 - x = 0$
by using the quadratic equation.

Answers

Answer:

Step-by-step explanation:

Here the coefficients of this quadratic equation are {7, -1, -3}. Note that the given equation must be rewritten in standard form: 7x^2 - x - 3.

Then the discriminant, b^2 - 4ac, is (-1)^2 - 4(7)(-3), or 1 + 84, or 85. Because this discriminant is positive, the given quadratic has two real, unequal roots. These roots are:

-(-1) ± √85

x = ------------------

or:

1 ± √85

x = ------------------

Find an equation of the line that has a y intercept of -2 and is perpendicular to the graph of the line x-2y=5.