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Dennis_Churaev [7]
3 years ago
15

Which equations are true? Choose all answers that are correct. A. m∠3 = m∠1 + m∠2 B. m∠3 = m∠1 – m∠2 C. m∠1 = m∠2 + m∠3 D. m∠1 =

m∠2 – m∠3
Mathematics
1 answer:
TEA [102]3 years ago
4 0
A is right because it 1+m <2
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Express M in terms of B and n: B = 3Mn 2
Molodets [167]

We are given the expression B=3Mn/2 and told to express M in terms of B and n. This means that we should apply mathematical operations on both sides of the equation so we "isolate " M on one side of the equality sign. We begin with the given equation

B=\frac{3\cdot M\cdot n}{2}

First, we multiply both sides by 2, so we get

2\cdot B=3\cdot M\cdot n

Next, we divide by 3 on both sides, so we get

\frac{2\cdot B}{3}=M\cdot n

Finally, we divide both sides by n, so we get

\frac{2\cdot B}{3\cdot n}=M

In this case, we have succesfully expressed M in terms of B and n

5 0
1 year ago
PLEASE ANSWER THIS . Goran's company makes solid balls out of scrap metal for various industrial uses. For one project, he must
Ainat [17]

Cost of aluminum required to make a ball of radius 7.5 inches is $ 161.71

<h3><u>Solution:</u></h3>

Given that  

Goran's company makes solid balls out of scrap metal for various industrial uses.

For one project, he must make aluminum balls that have a radius of 7.5 inches.

Cost of aluminum = $0.12 per cubic inches

Need to determine cost of aluminum to make one ball.

Lets first calculate the volume of one ball

As shape of the ball is sphere , we can use volume of sphere formula

\text {Volume of ball }=\text { Volume of sphere }=\frac{4}{3} \pi r^{3}

Where "r" is the raius of ball

Given that radius of required ball = 7.5 inches

\text { So, volume of ball of radius } 7.5 \text { inches }=\frac{4}{3} \pi \times 7.5^{3}

=\frac{4}{3} \times 3.14 \times 321.875=1347.5833 \text { cubic inches }

So quantity of aluminum required is same as volume of ball = 1347.5833 cubic inches  

Cost of aluminum for 1 cubic inch = $0.12

<em><u>So cost of aluminum required to make a ball of aluminium of 1347.5833 cubic inches is given as:</u></em>

=0.12 \times 1347.5833=\$ 161.71

8 0
3 years ago
QUESTION 2
WITCHER [35]

Answer: 106.76yards

Step-by-step explanation:

Circumference of a circle is given as:

= 2πr

where,

π = 3.14

r = 17 yards

Circumference = 2πr

= 2 × 3.14 × 17.

= 106.76yards

Therefore, the circumference of the circle will be 106.76yards

6 0
3 years ago
(28 POINTS) write the next three terms in the sequence.
blondinia [14]

Answer:

25, 34, 43

Step-by-step explanation:

its +9 per number

5 0
4 years ago
What is the greatest common factor of 12 and 30?<br><br> A 2<br> B 3<br> C 6<br> D 12
Alecsey [184]

Answer:

6 is the answer

Step-by-step explanation:

6

8 0
3 years ago
Read 2 more answers
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