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kupik [55]
2 years ago
6

Work out the percentage change when a price of £400 is decreased to £225

Mathematics
2 answers:
erastova [34]2 years ago
7 0

Answer:

43.75 percent decrease

Step-by-step explanation:

caslan?

Scilla [17]2 years ago
4 0

Answer:

adam i got banned on insta

Step-by-step explanation:

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In triangle ΔABC, ∠C is a right angle and CD is the height to
Zina [86]

Answer:

m\angle CDB=90\\m\angle CBD=90-\alpha\\m\angle BCD=\alpha\\\\m\angle CDA=90\\m\angle CAD=\alpha\\m\angle ACD=90-\alpha

Step-by-step explanation:

The triangles are drawn below.

CD is perpendicular to AB as CD is height to AB.

Therefore, angles m\angle CDB=m\angle CDA=90°

So, triangles ΔCBD and ΔCAD are right angled triangles.

Now, from the right angled triangle ΔABC,

m\angle A+m\angle B =90\\\alpha+m\angle B=90\\m\angle B=90-\alpha

From ΔCBD,

m\angle CBD is same as m\angle B.

So, m\angle CBD=90-\alpha

m\angle BCD+m\angle BDC =90\\m\angle BCD+90-\alpha=90\\m\angle BCD=\alpha

Now, from ΔCAD,

m\angle CAD is same as m\angle A

So, m\angle CAD=\alpha

m\angle CAD+m\angle ACD =90\\\alpha+m\angle ACD=90\\m\angle ACD=90-\alpha

Hence, the unknown angles of both the triangles are:

m\angle CDB=90\\m\angle CBD=90-\alpha\\m\angle BCD=\alpha\\\\m\angle CDA=90\\m\angle CAD=\alpha\\m\angle ACD=90-\alpha

5 0
3 years ago
the basketball team won 6 games last year. this year they won 5 games. to the nearest percent, what is the percent change in the
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4 0
3 years ago
WILL GIVE BRAINLIEST
luda_lava [24]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
Which of the following could be the equation of the graph shown below? Check all that apply.
Mashutka [201]

Answer:

y = -2x + 5

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What is the equation of the line that goes through (8,-2) and (0,14​
Yuri [45]

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13

Step-by-step explanation:

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