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Bas_tet [7]
3 years ago
10

2 Points

Mathematics
1 answer:
enyata [817]3 years ago
8 0

Answer:

-1/2

Step-by-step explanation:

It is always the negative reciprocal

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Determine which postulate or theorem can be used to prove that ABC=DCB
lianna [129]

Answer with explanation:

In Δ ABC and ΔD BC

∠A=∠D-------Given

∠ABC=∠DCB-------Each being 90° given in the Diagram.

Side, BC is Common.

⇒⇒Δ ABC ≅ ΔD BC-------[AAS]

When two triangles are congruent , their areas are equal.

So, Area(ABC)=Area (DCB)

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3 0
3 years ago
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What is the value of x in the equation 4x+8y=40 when y = 0.8
fgiga [73]

When y=0.8

4x +8(0.8) =40

-> 4x +6.4 =40

-> 4x = 33.4

-> x=33.4/4

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drek231 [11]
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6 0
3 years ago
Y = x + 7; x = -5 what is the value of the y for the given value of x
gregori [183]
If x =-5 then you put -5 in place of x.
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3 0
3 years ago
How do you solve this?
slavikrds [6]

Answer: To solve these types of questions what I always do is get a protractor if you have one and put it up against to where the dot is in the middle of the empty hole and then get a ruler or a pencil and make the line keep going to see what angle. In this case your answer is 65% I think.

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3 years ago
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