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svet-max [94.6K]
3 years ago
10

Please help!!!!!!!!!

Mathematics
1 answer:
sveticcg [70]3 years ago
4 0
A) y=kx

2 = 16k
2/16 = k
0.125 = k
Y = 0.125x

B) y= 0.125x

Y= 0.125(7)
Y= 0.875

Hope this helps
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Tia and Ken sold snack bars and magazine subscriptions for the school fundraiser. Tia sold 16 snack bars and 4 magazine subscrip
Aliun [14]

Answer:

The value of the snack bar is $ 2 and that of the magazine subscription is 25 $

Step-by-step explanation:

We have a system of two equations and two unknowns, which would be the following:

let "x" be the cost of the snack bar

Let "y" be the cost of the magazine subscription

16 * x + 4 * y = 132

20 * x + 6 * y = 190 => y = (190 - 20 * x) / 6

replacing:

16 * x + 4 * (190 - 20 * x) / 6 = 132

16 * x + 126.66 - 13.33 * x = 132

2.66 * x = 132 - 126.66

x = 5.34 / 2.66

x = 2

for "y":

y = (190 - 20 * 2) / 6

y = 25

Which means that the value of the snack bar is $ 2 and that of the magazine subscription is 25 $

6 0
3 years ago
What is the length of the hypotenuse? If necessary, round to the nearest tenth.
artcher [175]

Answer:

17 kilometers

Step-by-step explanation:

The pythagorean theorm is a^2 + b^2 = c^2

In this problem we can call 8 km a and 15 km b.

Plug 8 and 15 into the pythagorean theorm to get 8^2 + 15^2 = c^2

This will give you 289=c^2

Take the square root of both sides to get c=17

Hope this helps!

6 0
2 years ago
Read 2 more answers
Question 15 2 points)
tino4ka555 [31]
There’s not enough information to answer your question.
3 0
2 years ago
Find the zeros of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients
Anna [14]

Answer:

Zeros would be x= 0, -2

Step-by-step explanation:

hope this helps :)

6 0
2 years ago
I’m confused on this one
Alenkinab [10]

Remark

I would have had the answer a whole lot sooner if I would have read the question properly. The figure in the circle is called a cyclic quadrilateral. It has the odd property that the angles that are opposite each other add up to 180o.

So DEB + DCB = 180o

DEB = 180 - 87

DEB = 93o

Note: The arcs marked 60 and 76 have nothing whatever to do with this problem.

7 0
2 years ago
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