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Reika [66]
2 years ago
14

If x=4 what is the value of 4/5 (2x +7) - 2/3 (2x + 7)

Mathematics
2 answers:
konstantin123 [22]2 years ago
6 0

Answer:

2

Step-by-step explanation:

if x=4

4/5 (2(4)+7) - 2/3(2(4)+7)

4/5 (8+7) - 2/3(8+7)

4/5(15) -2/3(15)

12 - 10

2

I am Lyosha [343]2 years ago
3 0

Answer:

2

Step-by-step explanation:

4/5(2(4) + 7)   -  2/3( 2(4) + 7 )

4/5(8+7)  - 2/3(8 + 7 )

4/5 (15) - 2/3(15)

12 - 10 = 2

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Simplify the following expression:<br> 9^−53 ⋅ 9^37<br><br> Please also explain your answer. Thanks!
Alexus [3.1K]

Answer: 9^-16

Step-by-step explanation:

a^b*a^c= a^b+c

8 0
3 years ago
Harry buys a TV priced at £1200 plus 20% VAT.
RoseWind [281]

Answer:

£ 114

Step-by-step explanation:

From the question given above, the following data were obtained:

Price of TV = £ 1200

VAT = 20%

Amount paid = £ 300

Amount paid monthly =.?

Next, we shall determine the VAT. This can be obtained as follow:

VAT = 20% of price of TV

VAT = 20/100 × 1200

VAT = £ 240

Next, we shall determine the total cost of the TV. This can be obtained as follow:

Price of TV = £ 1200

VAT = £ 240

Total cost of TV =?

Total cost = Price + VAT

Total cost = 1200 + 240

Total cost = £ 1440

Next, we shall determine the balance amount he needs to pay. This can be obtained as follow:

Total cost = £ 1440

Amount paid = £ 300

Balance amount =?

Balance = Total cost – Amount paid

Balance = 1440 – 300

Balance = £ 1140

Finally, we shall determine the amount Harry will pay month.

Balance Amount = £ 1140

Number of months = 10

Amount paid monthly =.?

Amount paid monthly = Balance / number of month

Amount paid monthly = 1140 / 10

Amount paid monthly = £ 114

Therefore, Harry will pay £ 114 monthly.

4 0
2 years ago
a rectangle is a four sided flat shaped where every interior angles is a right angle. Therefore, opposite sides aRE PARALLEL and
Schach [20]
This is true. There is no question connected which is why there are no answers!
5 0
3 years ago
A powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. A group of 50 men (grou
MA_775_DIABLO [31]

Answer:

the lower limit is 35% women believed and 65% of men believed in serial discrimination

6 0
3 years ago
Given the measures a = 10, b = 40, and A = 30°, how many triangles can possibly be formed?
arlik [135]

Answer:

no triangle can be formed with the given values (i.e 0 triangle).

Step-by-step explanation:

Given;

length of side a, = 10

length of side b, = 40

angle A, = 30°

Apply sine rule to determine the angle of the second side (B);

\frac{sin \ A}{a} = \frac{sin \ B}{b} \\\\\frac{sin \ 30^0}{10} = \frac{sin \ B}{40}\\\\sin \ B = 40(\frac{0.5}{10} )\\\\sin \ B = 2

The maximum sine function is 1, there is no sine function that will be equal to 2, so there is no triangle that can be formed with the given values.

8 0
2 years ago
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