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3 years ago

12

Ms. Phillips ordered 56 pizzas for a school tundraiser. Of the pizzas ordered, of them were pepperoni, 19 were cheese, and the r

est were veggie pizzas. What fraction of the pizzas was veggie?

1 answer:

Alex3 years ago

4 0

Answer:

How many of them were pepperoni?? I cant answer if information is missing...

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Determine whether or not the equation shows a proportional relationship. If it does, identify the unit rate (constant of proport

sergiy2304 [10]

Answer:

y = 25·x shows a proportional relationship

a = 5·x + 5 does not show a proportional relationship

m = 105.25·n shows a proportional relationship

Step-by-step explanation:

An equation that shows a proportional relationship is of the form, y = kx

Where;

k = The constant of proportionality = y/x

Therefore, the equation, y = 25·x shows a proportional relationship

The constant of proportionality = k = y/x = 25

Similarly, the equation m = 105.25·n shows a proportional relationship

The constant of proportionality = k = m/n = 105.25

When the equation shows a proportional relationship, the graph of the equation passes through the origin, therefore, the equation of the form, y = m·x + c, where c = the y-intercept > 0, the equation does not show a proportional relationship

The equation a = 5·x + 5, which is of the form, y = m·x + c, with c = 5 > 0, therefore, does not show a proportional relationship.

Therefore;

y = 25·x shows a proportional relationship

m = 105.25·n shows a proportional relationship

a = 5·x + 5 does not show a proportional relationship.

6 0

3 years ago

Select all equations that have two solutions. a x^2=16 b 4x^2=0 c x^2=-16 d 3x+2=14 e x^2-1=24 f (x+8)(x-8)=0

never [62]

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a )

${x}^{2} = 16$

$x = ± \: 4$

Two solutions.

_________________________________

b )

$4 {x}^{2} = 0$

$x = 0$

One solution .

_________________________________

c )

${x}^{2} = - 16$

$No \: \: solution.$

_________________________________

d )

$3x + 2 = 14$

$x = 4$

One solution.

_________________________________

e )

${x}^{2} - 1 = 24$

${x}^{2} = 25$

$x =± \: 5$

Two solutions.

_________________________________

f )

$(x + 8)(x - 8) = 0$

$x = - 8 \: \: or \: \: x = 8$

Two solutions .

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5 0

3 years ago

Write a linear function f either the values f (-1)=5 and f (3)=4

max2010maxim [7]

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$f(x) = - \frac{1}{4}x + \frac{19}{4} \\$

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6 0

3 years ago

What is 2x12=24 I got the answer

strojnjashka [21]

You were right 24 is the answer. :)

8 0

4 years ago

PLEASE HELP ASAP!!

Sunny_sXe [5.5K]

Y=50+.05x

Just plug in the number of texts for x

y=50+.05(25)
y=51.25

^That was for 25 texts

Now just plug in all the other texts and replace that with x

Hope this helps!

4 0

3 years ago