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avanturin [10]
3 years ago
5

The table shows the number of cell phone towers a company will build as the number of its customers increases. Complete a and b

below.
Cell Phone Towers
Customers​ (thousands)
Towers
3.25
169
4.25
221
5.25
273
7.25
377
a. Is the relationship between number of towers and number of customers​ proportional? Explain. Choose the correct answer below​ and, if​ necessary, fill in the answer box to complete your choice.
A.
Yes. The ratios of towers to customers​ (thousands) are all equivalent to a unit rate of nothing.
B.
No. The ratios of towers to customers are not all equivalent.
Mathematics
1 answer:
alina1380 [7]3 years ago
3 0

Answer:

A.

Step-by-step explanation:

Divide 169 by 3.25 and you get 52.

Divide 221 by 4.25 and you get 52.

Do this for all of the rest, and they will all be 52.

Hope this helps!

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Write the algebraic expression for : half as much as a number, increased by 5
VladimirAG [237]

Answer:

(n/2)+5

Step-by-step explanation:

With n representing the unknown number, to get half of that number, divide the number by 2. n/2. Then, increase that quotient by 5.

(n/2)+5

3 0
3 years ago
Read 2 more answers
X+y=5<br> x×y=6<br> Solve simultaneously with steps
igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0  or y - 3 = 0

y = 2  or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0
2 years ago
Below are monthly rents paid by 30 students who live off campus.
Hatshy [7]
What is the question
6 0
1 year ago
Helpppp meeeee outttttt pleaseeeee ASAPPPP!!!!
Ilya [14]

Answer:

\boxed{\sf sin\ C =\frac{40}{41}}

Step-by-step explanation:

We need to find out the value of sinC using the given triangle . Here we can see that the sides of the triangle are 40 , 41 and 9 .

We know that the ratio of sine is perpendicular to hypontenuse .

\sf\longrightarrow sin\theta =\dfrac{ perpendicular}{hypontenuse}

Here we can see that the side opposite to angle C is 40 , therefore the perpendicular of the triangle is 40. And the side opposite to 90° angle is 41 . So it's the hypontenuse . On using the ratio of sine ,

\sf\longrightarrow sinC =\dfrac{ p}{h}\\\\\sf\longrightarrow sin\ C =\dfrac{AB}{AC}

Substitute the respective values ,

\sf\longrightarrow \boxed{\blue{\sf sin\ C =\dfrac{40}{41}}}

<u>Hence the required answer is 40/41.</u>

6 0
3 years ago
I need this answered
Kitty [74]
Bro I got a video of those test answers just message me ur phone # I got all the geometry tests
8 0
3 years ago
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