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Varvara68 [4.7K]
3 years ago
14

How do you solve this? Please explain.

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer:

D 2x+7

Step-by-step explanation:

f(x) = 2x+5

replace x with x+1

f(x+1) = 2(x+1) +5

Distribute the 2

f(x+1) = 2x+2 +5

        = 2x+7

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Please help really don’t understand with full but simple explanation please
Katena32 [7]
£45 600 is more than £43 000 and less than £150 000. According to the third • point, the tax will be 40%.
Also, according to the first • point, the first £11 000 will not be taxed. So, only £34 600 will actually be taxed.
To finally get the answer, Multiply £ 34 600 by the rate of 40%, and the result is £ 13 840.
3 0
4 years ago
Find the length of the diagonal for a square that is 6 cm. by 6 cm. Leave answer in simple radical form, if necessary.
dexar [7]

Answer:

6\sqrt{2}

Step-by-step explanation:

let the diagonal be d

using the pythagoras theorem,

6^{2} + 6^{2} = d^{2}

d=\sqrt{72}

which in radical form is

6\sqrt{2}

4 0
3 years ago
Evaluate x(– y + z ) for x = 3, y = 3, and z = 1.
Irina18 [472]
Here, = x(-y + z)
Just substitute the values, 
= 3( -3 + 1)
= 3( - 2)
= -6

In short, Your Answer would be -6

Hope this helps!
6 0
3 years ago
Read 2 more answers
The question is below
Digiron [165]

Answer:

(a) Stops, turns around and starts travelling back towards home.

(b) 8 km/hour.

Step-by-step explanation:

(b) Jo travels 4 kilometres in 1/2 hour = 9 km/hour.

8 0
4 years ago
Read 2 more answers
If a family of five spends, on the average, $125.75 on groceries each week how
Inga [223]

Answer:

$6539

Step-by-step explanation:

52x 125.75    (52 weeks in a year)

= 6539

5 0
4 years ago
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