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Igoryamba
3 years ago
14

Solve for x 3x + 80 = 107 What are the Awnser to these 2

Mathematics
2 answers:
kolezko [41]3 years ago
7 0

Answer:

x=9

Step-by-step explanation:

BARSIC [14]3 years ago
5 0

Answer:

for 3x+80=107,  x equals 9

For the 2=x/62, x equals 124

Step-by-step explanation:

For the first one, you would want to get x by itself so subtract 80 to the other side, which you get 27. Then you would only have 3x, so to get rid of that 3 you would divide 3 on both sides, having x=9. For the second problem you would do the opposite of dividing which is multiplying. So to get x by itself you would multiply 62 on both sides. 62 x 2 = 124. So x=124.

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Which of the following can be used to calculate the volume of water inside the fish bowl?
Lunna [17]

The volume of a sphere can be calculated as

V=\frac{4}{3}\pi r^3

Where r is the radius of the sphere

We want to calculate half of the volume, then we must divide that volume by 2

V^{\prime}=\frac{1}{2}\frac{4}{3}\pi r^3

Now we must find the radius of our sphere, the segment AB is the diameter of the sphere, and the radius is half od the diameter, then

r=\frac{AB}{2}=\frac{12}{2}=6

Let's put it into our equation

\begin{gathered} V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(r)^3 \\  \\ V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(6)^3 \end{gathered}

The problem says to use

\pi\approx\frac{22}{7}

Then

V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3

Final answer:

The formula that can be used to calculate the volume of water inside the fish bowl is

V=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3

8 0
1 year ago
A club began with 3 members. Each month, each member brought one new member. Which function can be used to determine the number
erastova [34]

In x th month, members =  3^{2x}. Option D.

Step-by-step explanation:

Given,

Initially number of members = 3

Every month each member brought 1 new member.

To find the number of members after x months.

<u>Solution:</u>

In 1st month, members = 3

In 2nd month, members = 3×3 = 9 = 3²

In 3rd month, members = 9×9 = 81 = 3^{4}

In 4th month, members = 81×81 = 81 = 6561 = 3^{8}

Hence,

In x th month, members =  3^{2x}

3 0
3 years ago
If l||m and the measure of angle 7 is twice the measure of angle 2, then the measure of angle 7 is:
Annette [7]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Suppose the circumference of a circle is 2 pi what is the area?
irina1246 [14]
 <span>Circumference of a circle = 2 π r 

(where r is the radius) 

Area of a circle = π r^2 

(where r is the radius) 

you have to find the radius

C = 2π unit 
r = 1 unit 

Area = π square units 
</span>
4 0
2 years ago
Read 2 more answers
13. A school is planning an excursion for all of their students to see the
Roman55 [17]

Answer:

Please Explain

Step-by-step explanation:

13. A school is planning an excursion for all of their students to see the

penguins on Phillip Island. They find a company who can provide

two different types of coaches for the trip: one that holds 34

passengers and one that holds 51 passengers. The coach company

has 8 of the smaller coaches and 4 larger coaches available.

The hire cost $500 for a smaller coach and $700 for a larger coach.

If there are 374 students and teachers going on the trip,

determine the minimum total cost for the coach hire.

5 0
2 years ago
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