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2 years ago

Look at photo because I don’t get it

Mathematics

2 answers:

steposvetlana [31]2 years ago

8 0

Answer:

a) (-2,2), (-1,-1), (1,-1), (3,7)

b) x=1.4

Lelechka [254]2 years ago

7 0

Answer:

a) (-2, 2), (-1, -1), (1, -1), (3, 7)

b) x = 1.4

Step-by-step explanation:

a) Plug in your x & solve for y.

$y = (-2)^2 - 2\\y = 2\\y = (-1)^2 - 2\\y = -1\\y = (1)^2 - 2\\y = -1\\y = (3)^2 -2\\y = 7$

b) Same thing as a, but just plug in 0 for y & solve for x

$0 = x^2 -2\\2 = x^2\\\sqrt(2) = x\\1.4 = x$

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Find the value of x. Write an equation and<br> solve, showing ALL work.

IrinaVladis [17]

Answer:

Therefore,

∴ x = 32 units

Step-by-step explanation:

Given:

Consider a Δ ABC with P and Q are the Mid points of AB and AC

AP = BP

AQ = CQ

PQ = 48

BC = 3x

To Find:

x = ?

Solution:

Mid Point Theorem :

The Midpoint Theorem states that the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side.

i.e Here by Mid Point Theorem we will have

$PQ=\frac{1}{2}BC\\$

Substituting the values we get

$\therefore 48 =\frac{1}{2}\times 3x\\ \\\therefore 48\times 2 =3x\\\\\therefore x =\frac{96}{3}\\\\\therefore x =32\ units$

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3 years ago

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2 years ago

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2 years ago

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Rina8888 [55]

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3 years ago

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Anna35 [415]

Answer:

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Step-by-step explanation:

3y+7<2-y

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