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4 years ago

Can someone help me and walk me through this ;) 79 points

Mathematics

1 answer:

elixir [45]4 years ago

3 0

Answer:

Step-by-step explanation:

Ok well first off the bat, you know that obviously AC is equal to itself since the triangles share a side. That's Reflexive Property just saying. This is your first equal side.

AB is congruent to DC will form the term SSA in order.

AB is congruent to CD will form the term SSA in order.

AD is congruent to DC will form the term SSS or SSA in order.

AD is congruent to BC will form the term ASA in Order.

So AD is congruent to BC is the Answer!

Hope This Helped!

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3 years ago

Choose yes or no to tell whether the expression represents a 20% discount off the price of an item that originally costs d dolla

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Answer:

Option A and C is correct.

Step-by-step explanation:

Discount is defined as a reduced price on something being sold or at a price lower than that item is normally sold for.

For a 20% discount,

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3 years ago

Use the equation y=7x+3 to determine the ordered pairs when x=2 and x=-1 please help ☹️

anzhelika [568]

(2,17) and (-1,-4)
I already learned this so I think this is the answer

8 0

4 years ago

If 2/3 = x/y, then which of the following must be true? (2 + x)/3 = (x + 2)/y 3/2 = x/y (2 + 3)/3 = (x + y)/y (2 + 1)/3 = (x + 1

DiKsa [7]

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4 0

4 years ago

Read 2 more answers

Express the alternative hypothesis in symbolic form. An automobile technician claims that the mean amount of time (in hours) pe

muminat

Answer:

$H_{0}$ : mu1-mu2=0

$H_{a}$ : mu1-mu2>0

Step-by-step explanation:

Let mu1 be the mean amount of time (in hours) per domestic car repair

and mu2 be the mean amount of time (in hours) per foreign car repair

According to the claim of the automobile technician, the mean amount of time (in hours) per domestic car repair is more than that of foreign cars.

Then null and alternative hypotheses can be stated in symbolic form as

$H_{0}$ : mu1-mu2=0

$H_{a}$ : mu1-mu2>0

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3 years ago