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Sliva [168]
3 years ago
11

What kind of solution is this 13x-5=-5+13x

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0

Answer:

B.

Step-by-step explanation:

Try solving:

13x - 5 = - 5 + 13x

13x - 13x = -5 + 5

0 = 0.

Therefore it is an identity.

We could make x any real value and the identity would hold.

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Define contrapositive p --> q=?
siniylev [52]

Answer:

~q→~p

Step-by-step explanation:

The contrapositive of a statement is formed by negating the hypothesis and conclusion of a statement and switching them (the hypothesis becomes the conclusion and vice versa).

With this definition we can conclude that the contrapositive of p→q would be ~q→~p

3 0
3 years ago
A worker's wage (w) is directly proportional to the number of hours (h) worked. If $71.25 is earned for working 5 h, how much is
marissa [1.9K]

Answer:

The amount earned is $327.75

Step-by-step explanation:

If the workwr working for 5h gets $71.25, then his working for 1 hour could be said to be x.

5h = $71.25

1h = x; cross multiplying would result in

x= \frac{($71.25*1)}{5h}

x= $14.25 which is the pay for 1h

Therefore for 23 h the worker would earn

23* 14.25 = $327.75

5 0
3 years ago
Find percent notation 3/4
Fynjy0 [20]

Answer:

75%

Step-by-step explanation:

3 0
3 years ago
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In science class, Savannah measures the temperature of a liquid to be
nikklg [1K]

Answer:

75.2 °F

Step-by-step explanation:

(24°C × 9/5) + 32 = 75.2°F

5 0
3 years ago
Pls help me!!! I will give u Brainlessness!!!
marshall27 [118]

Answer:

1. $1.5 per pound

2. 8 pounds

3. 3.2 apples

4. 25.6 apples

Step-by-step explanation:

The cost of per pound of apples on sale: 3/2 = 1.5

For $12, the pounds of apples: 12/1.5 = 8

1 lb = 16 oz so 1 apple is 5/16 lb: 1/(5/16) = 3.2

for $12, the number of apples: 8/(5/16) = 25.6

4 0
3 years ago
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