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bekas [8.4K]
3 years ago
10

If an = 3n - 4, what is a5?

Mathematics
2 answers:
nalin [4]3 years ago
3 0

Answer:

11

Step-by-step explanation:

an = 3n - 4

To solve this put 5 Instead of n

a5 = 3 \times 5 - 4 \\  = 15 - 4 \\  = 11

Hope this helps you.

Let me know if you have any other questions :-):-)

Nastasia [14]3 years ago
3 0
11 is the correct answer
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Ed buys a box of eggs costing £2.80, two packs of bacon for £2.40 each and two tins of baked beans. He pays with a £10 note and
guajiro [1.7K]

Answer:

£0.8

Step-by-step explanation:

egg = 2.80

Bacon = 2 * 2.40 = 4.80

Baked beans = 2 tins

Amount issued = 10

Change obtained = 80p = 0.8

Let cost per baked beans = x

Hence,

2.80 + 4.80 + 2x = 10 - 0.8

7.60 + 2x = 9.20

2x = 9.20 - 7.60

2x = 1.6

x = 1.6 / 2

x = 0.8

Hence, a tin of baked beans cost £0.8

6 0
3 years ago
Read 2 more answers
(4,7) and (5,1) as an equation
monitta

Answer:

y = -6x + 31

Step-by-step explanation:

In order for us to make this an equation of the form y = mx + b we have to find the slope.

The formula for slope is rise/ run. The rise is 6 and the run is -1.

So, the slope is 6/-1 or -6.

Our equation is now: y = -6x + b

Substituting 4,7 into the equation we get 7 = -24 + b

So, b = 31.

To check out answers we substitute 5,1 in and it works.

5 0
3 years ago
Please find the SURFACE AREA of this figure... Write the formula and plug in the values... Write your answer with units and box
ad-work [718]

Answer:

124(cm)^2

Step-by-step explanation:

total surface area of a cuboid=2(LB+BH+HL)

length=7cm

Breadth=5cm

Height=4cm

2{(2*7)+(5*4)+(4*7)}

2{14+20+28}

2*62

124(cm)^2

5 0
3 years ago
Circumference is 135.02 what is the diameter?
Ksju [112]

Answer:

86

Step-by-step explanation:

Radius=Circumference/Pi

135.02/3.14=43

Diameter=2r

43x2=86

5 0
3 years ago
24 pieces of candy in 3 bags how much candy's per bag
Komok [63]
24 divided by 3 gives you 8, so 8 per bag
5 0
3 years ago
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