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zloy xaker [14]
2 years ago
5

Add. (8a + 2b - 9) + (-11a - 5b + 4)

Mathematics
1 answer:
Valentin [98]2 years ago
4 0

Answer:

(-3a -3b -5)

Step-by-step explanation:

So you have to add numbers with same valuables

  1. 8a+(-11a) Answer: -3a
  2. 2b+(-5b) Answer: -3b
  3. -9+4 Answer: -5

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Work out the nth of this sequence:
Gekata [30.6K]

Answer:

a_n = -11 +3(n -1)

Explanation:

The nth term of an arithmetic sequence is explicitly defined as a_n = a_1 +d(n -1) where a_1 is the first term of the sequence and d is the the common difference.

From the given first five terms of the sequence we can see that the first term is 11 so a_1 = 11.

The common difference, d, can be calculated by a_n - a_{n -1} so we'll find the common difference of the given sequence by letting n = 2

d = a_2 - a_{2 -1} \\d = a_2 -a_{1} \\d = -8 -(-11) \\ d = -8 +11 \\ d = 3.

Now let's plug everything we know.

a_1 = -11

d = 3

a_n = -11 +3(n -1)

6 0
2 years ago
HEL ASSAP
lapo4ka [179]

A scale factor of 2 means the dimensions are multiplied by 2.

15 x 2 = 30

8 x 2 = 16

4 0
2 years ago
WHAT IS THE VALUE OF THE EXPRESSION 8 MORE THEN 3 TIMES THE DIFFRENCE OF 4 AND A NUMBER WHEN N=3
kogti [31]

The value of the expression as described in the task content is; 11.

<h3>What is the value of the expression?</h3>

The expression as described in the task content is; 3(4 - N) +8.

However, the value of N in this scenario is; 3.

Therefore, the value of.the expression is;

3(4 - 3) +8

= 3(1) + 8

= 3+8

= 11.

Read more on value of expressions;

brainly.com/question/625174

#SPJ1

6 0
2 years ago
5. Bill is planning to paint the back of his house. If the paint costs $2 a square
USPshnik [31]

Answer:

$462.86

Step-by-step explanation:

8 0
3 years ago
Miguel compró 253 Kilos de pescado para venderlo en su negocio, si decide vender cada kilo de pescado en Bs 1.900.000. Entonces,
Sveta_85 [38]

Answer:

Miguel recaudó Bs 480.700.000 por la venta del pescado.

Step-by-step explanation:

Con la información proporcionada puedes calcular el dinero que recaudó en total por la venta del pescado multiplicando el precio de venta de cada kilo de pescado por el número de kilos que Miguel compró:

Número de kilos comprados=253

Precio de venta por kilo=1.900.000

Total vendido=253*1.900.000

Total vendido=480.700.000

De acuerdo a esto, la respuesta es que Miguel recaudó Bs 480.700.000 por la venta del pescado.

7 0
2 years ago
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