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andrew11 [14]
2 years ago
10

What is 0.2(5x – 0.3) – 0.5(–1.1x + 4.2) simplified?

Mathematics
2 answers:
Harrizon [31]2 years ago
8 0

Answer:

1.55 x - 2.16

Step-by-step explanation:

ANEK [815]2 years ago
5 0

Answer:

1.55 x − 2.16

Step-by-step explanation:

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4x + y = 4
Aneli [31]

Answer:

if u substract the equations u get 4x = 1, therefore x = 1/4

Step-by-step explanation:

(8x + y) - (4x + y) = 5 - 4

4x = 1

x = 1/4

7 0
3 years ago
The slopes of perpendicular lines are
jeka94
The slopes of perpendicular lines are opposite and reciprocals.
5 0
3 years ago
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The high school band sold 500 tickets for a concert. The price of an adult ticket was $14.50, and the price of a student ticket
stira [4]

Answer:

14.5a + 9.5s = 5,860

a + s = 500

Step-by-step explanation:

4 0
2 years ago
The sum of two numbers a and b is 7 and the difference between them is 2. What is the value of a x b ? Give your answer as a mix
Andre45 [30]

Answer:

45/4

Step-by-step explanation:

We can interpret the question to have two equation which can be solve simultaneously

a+b=7------------(1)

a-b=2------------(2)

From eqn(2) make a subject of formula

a=2+b--------(3)

Substitute the (3) into eqn(1)

a+b=7------------(1)

2+b+b=7

2b=7-2

2b=5

b=5/2

From equation (3) substitute value of b to find a

a=2+b--------(3)

a= 2+5/2

a=9/2

Then What is the value of a x b ?

9/2× 5/2

=45/4

8 0
2 years ago
The price of sugar has increased from ₹32 per kg to ₹40 per kg. The percentage increase in the price of sugar is?
densk [106]

Answer:

Step-by-step explanation:

%change=100(final-initial)/(initial)

%change=100(40-32)/32

%change=25%

3 0
2 years ago
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