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3 years ago

Estimit of 612 times 87 pleaseeeee

Mathematics

2 answers:

ANEK [815]3 years ago

8 0

54900 not very hard just do 610 by 90

kumpel [21]3 years ago

5 0

Hello there!

This question is so easy to me.

Explanation:

↓↓↓↓↓↓↓↓↓↓↓

First you had to multiply by the numbers.

$612*87=53244$

$=53244$

Answer⇒⇒⇒53244

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

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Answer the Blanks:

vfiekz [6]

Answer:

1. 90°

2. 90°

3. 40°

4. 45°

5. 45°

Step-by-step explanation:

Given: ΔABC,

CD⊥AB,

m∠A=50°,

m∠ACB=85°

Solution:

1. ∠ADC is a right ange, because CD⊥AB, so

$m\angle ADC=90^{\circ}$

2. ∠CDB is a right ange, because CD⊥AB, so

$m\angle CDB=90^{\circ}$

3. Consider triangle ACD. The sum of the measures of all interior angles is always 180°, so

$m\angle A+m\angle ADC+m\angle ACD=180^{\circ}\\ \\50^{\circ}+90^{\circ}+m\angle ACD=180^{\circ}\\ \\m\angle ACD=180^{\circ}-50^{\circ}-90^{\circ}=40^{\circ}$

4. By Angle Addition Postulate,

$m\angle ACD+m\angle BCD=m\angle ACB\\ \\40^{\circ}+m\angle BCD=85^{\circ}\\ \\m\angle BCD=85^{\circ}-40^{\circ}=45^{\circ}$

5. Consider triangle ABC. The sum of the measures of all interior angles is always 180°, so

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Step-by-step explanation:

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3 years ago

WRITE Which solid has a greater volume: cone with a base radious of 7 centimeters and a height of 28 centimeters or a pyramid Wi

Mumz [18]

The pyramid has a greater volume.
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The volume of the pyramid is 1437.3 ( to 5 sf )
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( so sorry I can’t explain well but I hope it helps )
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