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ella [17]
3 years ago
14

Draw the graph of each of the following: () = −2 ; () 2 + 5 = 0

Mathematics
1 answer:
damaskus [11]3 years ago
8 0

You need to draw it.

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Evaluate the expression when x=20 and y=4.
klio [65]

Answer:

Hello, your question is missing. You did not show us a picture of the problem,  you did not write it either. Please send it again.

Step-by-step explanation:

3 0
2 years ago
How many solutions does the system of equations have?<br> 0<br> 1<br> 3<br> 4
myrzilka [38]

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3

Step-by-step explanation:

4 0
3 years ago
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On Naomi's cell phone plan, the amount she pays each month for international text messages is proportional to the number of inte
Lostsunrise [7]

A) The constant of proportionality in this proportional relationship is k = \frac{y}{x}

B) The equation to represent this proportional relationship is y = 0.2x

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

Given that,

The amount Naomi pays each month for international text messages is proportional to the number of international texts she sends that month

Therefore,

This is a direct variation proportion

\text{ amount Naomi pays each month } \propto \text{ number of international texts she sends that month}

Let "y" be the amount that Naomi pays each month

Let "x" be the number of international texts she sends that month

Therefore,

y \propto x

y = kx -------- eqn 1

Where, "k" is the constant of proportionality

Thus the constant of proportionality in this proportional relationship is:

k = \frac{y}{x}

<em><u>Last month, she paid $3.20 for 16 international texts</u></em>

Therefore,

y = 3.20

x = 16

Thus from eqn 1,

3.20 = k \times 16\\\\k = \frac{3.20}{16}\\\\k = 0.2

Substitute k = 0.2 in eqn 1

y = 0.2x

The equation would then be y = 0.2x

8 0
3 years ago
Melanie is 5 years older than 3 times the age of Tonya. Melanie is 39 years old is Tonya?
romanna [79]

Answer:

107

Step-by-step explanation:

6 0
3 years ago
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A share of stock in the Lofty Cheese Company is quoted at 25 1/4. Suppose you hold 30 shares of that stock, which you bought at
baherus [9]
Since each share was purchased when it was still quoted at 20 1/4, then when the stock value increases, it gains (25 1/4 - 20 1/4) = $5.00 for each stock. Since you're to sell 30 shares of your stock, that means you'll be making a profit of (30 x 5 ) = $150.00. Thus, the answer is C<span>.</span>
8 0
3 years ago
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