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3 years ago

Please help this is also easy ?!?

Mathematics

1 answer:

guajiro [1.7K]3 years ago

5 0

S is the independent variable and b is the dependent variable.
Explanation:
The number of buses needed depends on the number of students going on the trip, so b is the dependent variable and s is the independent variable. Hope this helps

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Convert 86 to a z-score

Semmy [17]

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Step-by-step explanation:--0.9

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Lostsunrise [7]

Answer:

A) 50

B) 20

C) 20

Step-by-step explanation:

To solve the first question, we can multiply both sides by 10.

Thus, we get:

6x = 300.

Then, divide by 6, to get x:

x = 50.

You can do the same thing to all of these questions.

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3 years ago

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BaLLatris [955]

Answer

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B) 2(10+2)

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3 years ago

the sum of the measures of the angles in a triangle is 180°. What is the value of x in the triangle?

Allushta [10]

Answer:

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Step-by-step explanation:

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3 years ago

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

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3 years ago