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3 years ago

What is 1.5 rounded to the nearest one?

Mathematics

2 answers:

allsm [11]3 years ago

7 0

Answer:

Step-by-step explanation:

Note that number place value. You are solving for the ones place value (it will be bolded and underlined): <u>1</u>.5

Look at the place value directly next to the ones value. It is a 5. Because the number is 5, round up, (As numbers 5 or greater round up, while 4 and less round down).

1.5 rounded to the nearest one is 2.

mel-nik [20]3 years ago

6 0

Answer:

Rounded to the nearest one?

Step-by-step explanation:

The answer is 2

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Solve and graph the solution set: 3x – 12 > -6

kap26 [50]

Step-by-step explanation:

3x-12>-6
3x-12+12>-6+12
3x>6
x<6/3
x<2

4 0

3 years ago

Read 2 more answers

How is it different

Elena-2011 [213]

First one has parentheses, second one doesn't.<span />

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4 years ago

Read 2 more answers

Please help! I need these done before 2 pm!

jeyben [28]

Answer:

9. (7a + 6b – 9c) – (3a – 6c)

=7a+6b-9c-3a+6c

=7a-3a+6b-9c+6c

=4a+6b-3c

10. (x2 – 9) – (-2x2 + 5x – 3)

= x^2-9+2x^2-5x+3

=x^2+2x^2-5x-9+3

=3x^2-5x-6

11. (5 – 6d – d2) – (-4d – d2)

=5-6d- d^2+4d+ d^2

=5-6d+4d-d^2+ d^2

=5-2d

12. (-4x + 7) – (3x – 7)

=-4x+7-3x+7

= -4x-3x+7+7

=-7x+14

13. (4a – 3b) – (5a – 2b)

=4a-3b-5a+2b

=4a-5a-3b+2b

= -a-b

14. (2c + 3d) – (-6d – 5c)

=2c+3d+6d+5c

=2c+5c+3d+6d

=7c+9d

15. (5x2 + 6x – 9) – (x2 – 3x +7)

=5x^2+6x-9- x^2+3x-7

=5x^2- x^2+6x+3x-9-7

=4x^2+9x-16

16. (3y – 6) – (8 – 9y)

=3y-6-8+9y

=3y+9y-6-8

=12y-14

17. (3a2 – 2ab + 3b2) - (-a2 – 5ab + 3b2)

=3a^2-2ab+3b^2+ a^2+5ab-3b^2

=3a^2+ a^2-2ab+5ab+3b^2- 3b^2

=4a^2+3ab

18. 5c – [8c – (6 – 3c)]

=5c-[8c-6+3c]

=5c-8c+6-3c

=5c-8c-3c+6

= -6c+6

19. 10x + [3x – (5x – 4)]

=10x+[ 3x-5x+4]

=10x+3x-5x+4

=8x+4

20. 3x 2 – [7x- (4x – x2) + 3]

=3x^2-[7x-4x+ x^2+3]

=3x^2-7x+4x- x^2-3

=3x^2-x^2-7x+4x-3

=2x^2-3x-3

21. x2 – [ - 3x+ ( 4 – 7x)]

= x^2-[ -3x+4-7x]

= x^2+3x-4+7x

= x^2+3x+7x-4

= x^2+10x-4

7 0

3 years ago

Which statement explains the relationship of sides BA and B'A' after rectangle BADC has been rotated 90° clockwise about the ori

Leni [432]

Answer:

Numbering the options, we have;

1) Side B'A' has a slope of −1 and is perpendicular to side BA.

2) Side B'A' has a slope of 1 and is parallel to side BA.

3) Side B'A' has a slope of 1 and is perpendicular to side BA.

4) Side B'A' has a slope of −1 and is parallel to side BA.

The correct option is;

1) Side B'A' has a slope of -1 and is perpendicular to side BA

Step-by-step explanation:

The given coordinates are;

A(3, 5) B(1, 3), C(5, -1) and D(7, 1)

The slope of BA is found as follows;

$Slope \, of BA= \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}} =\dfrac{3-5}{1-3}= \dfrac{-2}{-2} = 1$

Rotation of a line through 90 degrees gives

(x, y) will be (y, -x)

Therefore, the coordinates of A' = (5, -3)

The coordinates of B' = (3, -1)

Then the slope is given as follows;

$Slope \, of \, B'A' =\dfrac{-1 -(-3)}{3-5}= \dfrac{2}{-2} = -1$

Therefore side B'A' has a slope of -1 and is perpendicular to side BA.

8 0

4 years ago

Solve for x. Express the answer in simplest form.

natta225 [31]

1. Multiply both sides by 4x-1
   $\frac{1}{7} (4x-1)=3$
2.Simplify $\frac{1}{7} (4x-1) to \frac{4x1}{7} 
$
   $\frac{4x-1}{7} =3$
3.Multiply both sides by 7
   4x-1=3x7
4.Simplify 3*7 to 21
   4x-1=21
5. Add one to both sides
   4x=21+1
6. Simplify 21+1 to 22
   4x=22
7.Divide both sides by 4
    x= $\frac{22}{4}$
8.Simplify $\frac{22}{4}$ to $\frac{11}{2}$

3 0

4 years ago