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Oxana [17]
3 years ago
9

What are their means and extremes of the following proportion

Mathematics
1 answer:
Xelga [282]3 years ago
8 0

Answer:

  • a and d are extremes
  • b and c are means

Step-by-step explanation:

\frac{a}{b} =\frac{c}{d}

another way to write the equality of the two ratios is :

a : b = c : d

as you can see in the equality a : b = c : d

  • a and d are extremes
  • b and c are means
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The function f(x) = 1/2 x + 2 is changed to f(x) = − 1/2 x + 2. Which describes the effect of the change on the graph of the ori
Dimas [21]

Answer:

C

Step-by-step explanation:

This is because the line was growing starting form the y-int=2.

Now the line is decreasing starting from y-int=2.


3 0
3 years ago
At a restaurant, you order an appetizer for $5.25, a meal for $12.75, and a drink for $2.99. If the sales tax is 9%, what is the
Yuliya22 [10]

Answer:

 $22.88

Step-by-step explanation:

The total bill is the subtotal plus tax. The tax is computed by multiplying the tax rate by the subtotal, which is the total of all items being billed.

  subtotal = $5.25 +12.75 +2.99 = 20.99

  tax = $20.99 × 0.09 = $1.89

The total bill is ...

  subtotal + tax = $20.99 +1.89 = $22.88

6 0
2 years ago
can u tell me which letter the answer is.. i know how to do this problem im just confused what the answer is​
Ede4ka [16]

Answer:

Im pretty sure its a :3

Step-by-step explanation:

7 0
3 years ago
Can you tell me what X=
mihalych1998 [28]

Answer:

x = 21 degrees!

Step-by-step explanation:

3x + x + 96 = 180

4x +96 = 180

Subtract 96 from both sides!

4x = 84

Divide by 4 from both sides!

x = 21 degrees

4 0
3 years ago
Read 2 more answers
Given: △RST ~ △VWX
tatiyna

Answer:

Given

Step-by-step explanation:

Given that: △RST ~ △VWX, TU is the altitude of △RST, and XY is the altitude of △VWX.

Comparing △RST and △VWX;

TU ~ XY (given altitudes of the triangles)

<TUS = <XYW (all right angles are congruent)

<UTS ≅ <YXW (angle property of similar triangles)

Thus;

ΔTUS ≅ ΔXYW (congruent property of similar triangles)

<UTS + <TUS + < UST = <YXW + <XTW + <XWY = 180^{0} (sum of angles in a triangle)

Therefore by Angle-Angle-Side (AAS), △RST ~ △VWX

So that:

\frac{TU}{XY} = \frac{US}{YW} (corresponding side length proportion)

4 0
3 years ago
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