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3 years ago

What is one similarity between equations and inequalities

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

8 0

Answer:

Linear equations & Linear inequalities are similar in that they are graphed as straight lines, with slope, y-intercept, etc. As such, both can be understood, factored, and solved in the same ways.

Step-by-step explanation:

Hope this helps.

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Determine which of the following relations is a function.

fomenos

Answer:

The farthest left box.

Step-by-step explanation:

In order for a relation to be a function, the order of numbers must be constant from the input to the output. The other numbers do not have a consistent value, but the one on the far left is x=+5 and y=-5, and it continues this way throughout the relation.

Hopefully this helped!

6 0

3 years ago

Read 2 more answers

PLEASE HELP find value of x and y

bazaltina [42]

Given : 

There is a quadrilateral.
Two sides of the quadrilateral are parallel .
Four angles are 96° , 2x° , 94° & ( 3y + 44 )°.

To Find :-

The value of x & y .

Solution :-

Here , 96° & 2x° are co - interior angles and we know that the sum of co - Interior angles is 180°.

⇒ 96° + 2x = 180° .

⇒ 2x = 180° - 96° .

⇒ 2x = 84° .

⇒ x = $\red{\sf \dfrac{84^{\circ}}{2}}$

$\bf\longmapsto x = 42^{\circ}$

Hence value of x is 42° .

Similarly , 94° & ( 3y + 44) ° are co- interior angles

⇒ 94° + ( 3y + 44)° = 180° .

⇒ ( 3y + 44 )° = 180° - 94° .

⇒ 3y + 44° = 86°.

⇒ 3y = 86° - 44° .

⇒ 3y = 42° .

⇒ y = $\sf \red{\dfrac{42^{\circ}}{3}}$

$\bf\longmapsto y = 14^{\circ}$

Hence the value of y is 14°.

8 0

3 years ago

Solve -2x^2 + 10x + 9 =0 by using completing the squares and give u r answer to two decimal places

adell [148]

-2x^2 + 10x + 9 =0
multiply whole equation by -1
2x^2 -10x -9 =0

(sqrt2x)^2 -2(sqrt2x)(5/sqrt2) -9=0
add (5/sqrt2)^2 on both sides
(sqrt2x)^2 -2(sqrt2x)(5/sqrt2) + (5/sqrt2)^2-9=(5/sqrt2)^2

a^2-2ab+b^2=(a-b)^2
(sqrt2x - 5/sqrt2)^2=(5/sqrt2)^2+9

(sqrt2x - 5/sqrt2)^2=21.5

taking squareroot on both sides

sqrt2x - 5/sqrt2 = +-4.64
so
sqrt2x - 5/sqrt2 = +4.64 or sqrt2x - 5/sqrt2 = -4.64
sqrt2x = 4.64 + 5/sqrt2 sqrt2x = -4.64 + 5/sqrt2
sqrt2x =8.18 sqrt2x = -1.1045
x=8.18/sqrt2 x= -1.1045/sqrt2
x=5.78 x=-0.781

3 0

3 years ago

Read 2 more answers

Please help with these two questions thank you.

prohojiy [21]

1. Perpendicular Transverse Theorem
2. a=30 and b=60

6 0

3 years ago

Write an improper fraction whose value is between 5 and 10, and whose denominator is 4

sveta [45]

8/4 should work, because the numerator's higher than the denominator.

5 0