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aliina [53]
3 years ago
11

Factorise a squared - b squared

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0
(a-b)(a+b) because when you reverse the sum you do axa and ax-b xx
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What is the value of x?
Dafna1 [17]

Answer:

3x = 12x - 81(vertically opposite angles)

→3x - 12x =  - 81

→- 9x =  - 81

→x =  \frac{ - 81}{ - 9}

→x =  \frac{81}{9}

→x = 9

hope it helped you:)

5 0
3 years ago
Your latitude is 40.0 N. Which of the following would be the position of the NCP at this location?
MakcuM [25]

Answer:

The answer is b 50.0 N

Step-by-step explanation:

8 0
3 years ago
Angles 1 and 2 are complementary and congruent. what is the measure of angle 1? 30° 45° 50° 75°
lesantik [10]

see the attached figure to better understand the problem

we know that

1) If angle 1 and angle 2 are complementary angles

then

m∠1+m∠2=90\° ------> equation A

2) If angle 1 and angle 2 are congruent angles

then

m∠1=m∠2 ------> equation B

Substitute equation B in equation A

m∠1+(m∠1)=90\°

2m∠1=90\°

m∠1=45\°

therefore

<u>the answer is</u>

45\°

8 0
3 years ago
Read 2 more answers
En una fábrica, dos trabajadores llenan envases de gel
mojhsa [17]

Responder:

Contenedor 24

Explicación paso a paso:

Para obtener la cantidad de contenedores que deberán llenar para completar sus respectivos paquetes al mismo tiempo; obtener el mínimo común múltiplo de la agrupación adoptada por el primer y segundo trabajador;

Múltiplos de:

8: 8, 16, 24, 32, 40, 48, 56, ...

12:12, 24, 26, 48, 60, ....

Por lo tanto, el mínimo común múltiplo de 8 y 12 es 24.

Llenarán 24 contenedores

4 0
3 years ago
Ramu and ravi borrowed rs 8000​
Phoenix [80]

Answer: Rs. 11,520

Step-by-step explanation:

As the method of compounding is not stated, the default of simple interest will be used.

Simple interest is a fixed amount that is paid over the course of the loan and is based on the original amount borrowed.

Formula is:

Amount owed = Amount borrowed * ( 1 + rate * time)

= 8,000 * ( 1 + 8% * 5.5 years)

= 8,000 * 1.44

= rs 11,520

4 0
3 years ago
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