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3 years ago

PLEASE HELP ME I NEED THIS ASAP

Mathematics

2 answers:

hjlf3 years ago

6 0

6) 3y <= 3
y <= 1
answer C.

7)-2y > 2
y < -1
answer A.

8) y/3 <-1
y< -3
answer D.

9) y <= 3
answer B

tresset_1 [31]3 years ago

4 0

6) 4y+3 ≤y+6 → 3y≤3 and y≤1 Answer C

7) -2y+>2 → -y>1 and y< -1 Answer A

8) y/3<-1 → y<-3 Answer D

9) 3y≤2y+3 → y≤3 Answer B

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Irrational numbers cannot be written as a ratio…irrational means not rational. All fractions of integers are Rational.

TiliK225 [7]

with the exception of perfect squares, all square root of whole numbers are irrational, e.g. √5

how about this one:

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2 years ago

There are 3 consecutive integers that add up to 9 which integers are they?

matrenka [14]

Answer:

The integers are 2,3,4

Step-by-step explanation:

Let one integer be = $x$

Since, the integers are consecutive, so they will increase by one.

So, 2nd integer will be = $x+1$

3rd integer will be = $x+1+1=x+2$

It is given that the 3 integers add up to 9.

So, we have the sum equation as:

$x+x+1+x+2=9$

Solving for $x$

Combining like terms.

$3x+3=9$

Subtracting both sides by 3.

$3x+3-3=9-3$

$3x=6$

Dividing both sides by 3.

$\frac{3x}{3}=\frac{6}{3}$

$x=2$

∴ 1st integer = $2$

2nd integer = $2+1 = 3$

3rd integer = $2+2 = 4$

7 0

2 years ago

The measures of the sides of a triangle are 2x + 3, 8x – 4, and . Write an expression that describes the perimeter of the triang

tresset_1 [31]

Answer:

Step-by-step explanation:

Perimeter of a triangle is the sum of all the sides.

A triangle has 3 sides, so if we add up all the 3 sides lengths (given as expressions here) of the triangle, we will have the perimeter.

Perimeter = $(2x+3)+(8x-4)+(x^2)\\=2x+3+8x-4+x^2$

Now combining like terms we have:

$2x+3+8x-4+x^2\\=x^2+10x-1$

Answer choice C is the correct one.

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2 years ago

if the volume of a triangular prism is 140 cubed the base length is 5 and base height is 8 what is the height

Arte-miy333 [17]

The height would be 7cm because the area of the base (the triangle face) is 20cm². You would then divide the volume by the area of the base to get the height. 140/20=7cm
Hope this helped!

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2 years ago

Read 2 more answers

A pizza is cut into 8 equal pieces. A person who eats 1/2 of one piece eats what fraction of the pizza

Andrews [41]

Answer:

1/16

Step-by-step explanation:

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2 years ago