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gizmo_the_mogwai [7]
2 years ago
6

Maria threw a party for the promotion she received. The party costs $20 for two people. If she invited 17 guests, what would the

cost be?
Mathematics
1 answer:
Sholpan [36]2 years ago
6 0

Answer:

$170

Step-by-step explanation:

$20 / 2 people = $10 / person

17 people ($10 / person) = $170

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Find the area of the regular polygon
Aleksandr-060686 [28]

Answer:

a = 337.214 m2

Step-by-step explanation:

hope this helps

4 0
2 years ago
If 49x^2+28x-10 is rewritten as p2 + 4p −10, what is p in terms of x?
ella [17]
You could try searching it up I’m sure it will pop up !
8 0
3 years ago
A family spends 520 every month on food. If the family income is 3,200 each month, what percent of the income is soent on food?
Julli [10]

Answer:

16.25%

Step-by-step explanation:

520/3200 = 52/320 = 16.25%

6 0
3 years ago
I need help with number 12 plz
OlgaM077 [116]

Answer:

347 is the initial spider population

Step-by-step explanation:

y = ab^x

is the formula for exponential growth and decay

a = the initial value

b is the growth or decay rate

b>1  it is the growth rate  (b-1) is the percent

0<b<1 it is the decay rate (1-b) is the percent

y = 347(1.2)^x

347 is the initial spider population

(1.2-1) = .2 = 20 % growth rate

6 0
3 years ago
Read 2 more answers
A golfer attempts to hit a golf ball over a valley from a platform above the groun
leonid [27]

Answer: NO

Step-by-step explanation:

The functions that models the height of the ball is given as

h(t) = -5t2 + 40t + 100

Where

a = -5, b = 40, c = 100

The time the ball will reach the maximum height will be the vertex of the parabola. At the line of symmetry, the time t will be:

t = -b/2a

Substitute b and a into the formula above.

t = - 40 / -5 = 8

Substitute 8 for t in the function f(t)

h(t) = - 5(8)^2 + 40(8) + 100

h(t) = -5(64) + 40(8) + 100

Open the bracket

h(t) = -320 + 320 + 100

h(t) = 100

The maximum height of the ball is 100m

Given that the power lines is 185 metres above the ground. The golf ball will therefore not hit power lines because the maximum height the ball can go is 100 metres

3 0
3 years ago
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