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Katena32 [7]
3 years ago
14

Mattt's parents pay him $5.50 for each half hour he babysits his sister,plus a $2 tip. If Matt made $18.50, for how long did he

babysit?
Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0

1 hour and 30 minutes

5.50 x 3 is 16.50 plus the additional 2 dollar tip

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9.2 Multiplying and Factoring Polynomials 8m ( m+6 )
poizon [28]
You would multiply 8m by m and 6 separately. it would be 8m^2 + 48m
7 0
4 years ago
Jeanine Baker makes floral arrangements. She has 10 different cut flowers and plans to use 6 of them. How many different selecti
Alex Ar [27]

Answer:

210 ways

Step-by-step explanation:

In the question, the combination should be computed.

Number of ways of selection 6 flowers = nCr =10C6

                                           \frac{n!}{r!(n-r)!}  =\frac{10!}{ 6!(10-6)!}

                                                        =3628800/17280

                                                       =210

Therefore, there are 210 ways in which 6 flowers can be selected from the available 10 flowers.

4 0
3 years ago
Goran made 6 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 6 necklaces
Tema [17]
    6b + 6p = 33.60              ; b=2.90

6(2.90) + 6p = 33.60

17.40 + 6p = 33.60
-17.40           -17.40

    6p = 16.20
     /6         /6

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ANSWER: each pendant costs $2.70
5 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
fiasKO [112]

y = -\frac{1}{2}x - 1

Step-by-step explanation:

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m = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{-2 - 1}{2 - (-4)} = -\dfrac{1}{2}

With this value of the slope, we can write the general slope-intercept form of the equation as

y = -\frac{1}{2}x + b

To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:

-2 = -\frac{1}{2}(2) + b \Rightarrow b = -1

Therefore, the slope-intercept form of the equation is

y = -\frac{1}{2}x - 1

6 0
2 years ago
What is the vertex of the parabola? f(x) = 2x² + 16x + 30
Viktor [21]

Answer:

y=2(x−4)²+3

Step-by-step explanation:

7 0
3 years ago
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