MATHEMATICS HIGH SCHOOL

What is 5 1/5 minus 1 3/4

Answers

Answer 1

Answer:

Answer:

3.45

Step-by-step explanation:

Answer 2

Answer:

Answer:

3 9/20 or 3.45

Step-by-step explanation:

5 1/5 - 1 3/4

= 26/5 - 1 3/4

= 26/5- 7/4

= 69/20

= 3 9/20

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Read the following sentence from Jack London's White Fang:"It's the only contraption that'll ever hold One Ear," he said. "He can gnaw through leather as clean as a knife an' jes' about half as quick.Based on the context in this sentence, what is the best explanation for a contraption?A complicated device or mechanismA moving or rotating machine partA manufactured goodA sinister restraint

What is the product of 3a2b and -2ab3?(1) a 2b3 (3) -6a2b3
(2) a3b4 (4) -6a3b4

Answers

$3a^2b*(-2ab^3)=-6a^2*a*b*b^3=-6a^3b^4$

Answer 4

Y=10 when x=8 what is x when y=30

Answers

Answer:

X= 24

Step-by-step explanation:

Y was multiplied by 3 to equal 30, so same rules are applied and you multiply 8 by 3

Answer:

28 or 24 im not sure which

Need help with number 2 20 points best answer

Answers

The possible dimensions are -7 and -8 units.

Solution:

Area of the rectangular skateboard park = $x^(2)+15 x+56$

To find the dimensions of the park.

Let us factor the polynomial:

$x^(2)+15 x+56=0$

15x can be written as 7x + 8x.

$x^(2)+7 x+8x+56=0$

$(x^(2)+7 x)+(8x+56)=0$

Take x common in 1st two terms and 8 common in next two terms.

$x(x+7 )+8(x+7)=0$

Make sure that the remaining terms in the bracket should be equal.

Now, take the common term (x + 7) outside from both terms.

$(x+7)(x+8)=0$

$x+7=0 \ \text{or} \ x + 8 = 0$

$x=-7 \ \text{or} \ x = -8$

If the length of the park is -7 then the width is -8.

If the length of the park is -8 then the width is -7.

The possible dimensions are -7 and -8 units.

Simplify 6(x + y) + (x - y). 6x 7x 7x + 6y 7x + 5y

Answers

-6x^15y+6x^16+6xy^7+11y+6x ? I'm not sure if that is 100% right.

1. Determine the value of x for
which r | s.
(2x + 6)
42°

Answers

Answer:

The answer for x would be x=19

Step-by-step explanation:

19×2= 38

38+6= 42

My mum was 27 when I was born. 8 years ago she was twice as old as I shall be in 5 years time. How old am I now?

Answers

use timeline and work from NOW
me. mom
(1) @born 0. 27
My mum was 27 when I was born.
(2) now-8. x-8. y-8
(3) now. x y
(4) now+5. x+5. y+5

(1)&(3). y-x = 27-0 = 27

8 years ago she was twice as old as I shall be in 5 years time.
(2)&(4). y-8 = 2(x+5)

2 variables 2 equations ... solve x
x = 9, y = 36

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