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tekilochka [14]
2 years ago
7

F(1)=-1.5 f(n+1)=f(n)+0.5 what is f(10)?

Mathematics
1 answer:
prohojiy [21]2 years ago
8 0

Answer:

3.

Step-by-step explanation:

This is an arithmetic sequence with common difference d = 0.5 and first term a1 = -015.

10th term = a1 + (10 - 1)d

= -1.5 + 9*0.5

=  4.5 - 1.5

= 3.

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Which expression is equivalent to –4(5x – 9) + 6(2x + 5)?
aleksklad [387]

Answer:

B

(-20x + 36)+(12x+30)

-8x+66

7 0
3 years ago
If a circle is cut from a square piece of plywood, how much plywood would be left over? Use 3.14 for pi. one whole side is 28 in
morpeh [17]
<em>What you need to find is the extra amount of plywood. To do that, you must find the area of the square and the area of the circle and subtract them to find the answer.</em>

Formulas:
area of a square: A = bh
area of a circle: A = \pi r^2

square measurements:
b = 28
h = 28

circle measurements:
\pi (≈3.14)
r = 14 

A = (28)(28)
A = 784
area of square = 784 in^2

A = 3.14 (14^{2})
A = 3.14 (196)
A = 615.44 in^2

784 - 615.44 = 168.56
The amount of plywood left over is 168.56 in^2.

6 0
3 years ago
EASY QUICK POINTS PICTURE INCLUDED
xxTIMURxx [149]

Answer:

(0.6, 0.7)

Step-by-step explanation:

Just did it on A.P.E.X

3 0
2 years ago
The difference between 3 times a number and 5 is 7. What is the number?
Vesna [10]

Answer:

4

Step-by-step explanation)

n(3) - 5 = 7

n(3)= 7 + 5

n(3)= 12

n3/3 = 12/3

n =4

8 0
2 years ago
How to do this problem?
Alexandra [31]
Left side of angle W = 180 -95 = 85
1/3 of angle Y = 180 -85 -63 = 32
angle Y = 96
angle Z = 180 - 96 - 63 = 21


4 0
3 years ago
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