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3 years ago

REAL ANSWERS ONLY!! 30 POINTS!

Mathematics

1 answer:

agasfer [191]3 years ago

4 0

Answer:

For the first one just multiply all of the three numbers

and the second is the same, just multiply and you'll get your answer.

Step-by-step explanation:

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Last year, Leron worked 8 hours a day,5 days a week, for 50 weeks. He earned $28 per hour. How much dd he earn for the entire ye

pickupchik [31]

28(8) = 224

224(5) = 1,120

1,120(50) = 56,000

Answer: 56,000

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3 years ago

Which of the following numbers are divisible by 3? 225, 8,399, 7,392, 9,830 (can be more than one answer) I'm very busy so I jus

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225 and 7392 can both be divided by 3.

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3 years ago

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On a number line, which fraction is to the right of 3 5 ? A) 1 8 B) 3 12 C) 6 10 D) 3 4

Nikitich [7]

Answer:

Step-by-step explanation:

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3 years ago

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Main Street and Washington Avenue meet at a right angle. A large park begins at this corner. Joe's school lies at the opposite c

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3 years ago

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:

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

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3 years ago