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Ket [755]
3 years ago
12

Use the explicit formula = 3 − 7( − 1) and

Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0
I’m pretty sure it is C but I’m not sure if I’m right or not
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Please help with these questions (no links)
seraphim [82]
If the cakes are circles,
3.14(4)2= 50.24
3.14(5)2= 78.5
78.5-50.24= 28.26

#1 is 28.26
3 0
2 years ago
Find the value of x<br> a) 1<br> b) 31<br> c) 24<br> d) 14
Furkat [3]

<em>So</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>1</em><em>4</em><em>.</em>

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6 0
3 years ago
PLEASE HELP!!!
goldenfox [79]
Arithmetic sequences have a pattern of numbers that are positive and negative but are a constant amount.

In this case the answer is A.

4 0
3 years ago
A waitress sold 15 ribeye steak dinners and 18 grilled salmon​ dinners, totaling ​$559.81 on a particular day. Another day she s
Orlov [11]

Let  the steaks = X and the salmon = y.

Set up two equations:

15x + 18y = 559.81

19x + 9y = 583.66

Now using the elimination method:

Multiply the second equation by -2, then add the equations together.

(15x+18y=559.81)

−2(19x+9y=583.66)

Becomes:

15x+18y=559.81

−38x−18y=−1167.32

Add these equations to eliminate y:

−23x=−607.51

Divide both sides by -23 to solve for x:

x= -607.51 = -23 = 26.413478

Now you have the cost for a steak.

To solve for the cost of the salmon, replace x with the value in the first equation and solve for y.

15(26.413478) + 18y = 559.91

396.202174 + 18y = 559.81

Subtract 396.202174 from both sides:

18y = 163.607826

Divide both sides by 18:

y = 163.607826 / 18

y = 9.089324

Round both x and Y to the nearest cent:

X (Steaks) =$26.41

Y (Salmon) = $9.09

7 0
3 years ago
If f(x) = x* and g(x) = 3+8x?, find g(f(x)).
zhuklara [117]

g(8x-3)=x

have a good day

6 0
2 years ago
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