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DochEvi [55]
3 years ago
7

A sandwich store charges $20 to have 3 turkey subs delivered and $26 to have 4 delivered. The total includes the cost of each su

b, plus the delivery fee.
Mathematics
1 answer:
svp [43]3 years ago
4 0

Answer:

cost of each sub = $6, delivery fee = $2

Step-by-step explanation:

Let $x be the cost of each sub and $c be the delivery fee

3x + c = 20

4x + c = 26

x = 6, c = 2

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kolezko [41]

We are given the following quadratic equation

f(x)=2x^2+7x-10

The vertex is the maximum/minimum point of the quadratic equation.

The x-coordinate of the vertex is given by

h=-\frac{b}{2a}

Comparing the given equation with the general form of the quadratic equation, the coefficients are

a = 2

b = 7

c = -10

h=-\frac{b}{2a}=-\frac{7}{2(2)}=-\frac{7}{4}=-1.75

The y-coordinate of the vertex is given by

\begin{gathered} f(x)=2x^2+7x-10 \\ f(-1.75)=2(-1.75)^2+7(-1.75)-10 \\ f(-1.75)=2(3.0625)^{}-12.25-10 \\ f(-1.75)=6.125^{}-12.25-10 \\ f\mleft(-1.75\mright)=-16.13 \end{gathered}

This means that we have a minimum point.

Therefore, the minimum point of the given quadratic equation is

(-1.75,-16.13)

7 0
1 year ago
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Find the area of triangle ABC ​
Stells [14]
Area : 14
-you can count the squares in the coordinate plane near the triangle shape

-find the height of the triangle
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base: 7

use the triangle formula
1/2bh
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7 0
3 years ago
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3. Juliet rides her bike. During her ride, elevation
STatiana [176]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Rina8888 [55]
{0, 2, 1/2}

f(h) = 0 when any set of parenthesis equals zero

1. h = 0

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5 0
3 years ago
Whoever answers first with correct answer, i'll give brainlist
Anestetic [448]

Answer:

1. 11 12 13 14 15 16 22 23 24 25 26 33 34 35 36 44 45 46 55 56 66

2. 6/10

3. less then 34 because theres 6 numbers and 6 divided by 100 is 16

Step-by-step explanation:

8 0
2 years ago
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