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liubo4ka [24]
3 years ago
7

Which expression is equivalent to 9a + 12? (1 point)

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0

Answer:

3(3a + 4)

Step-by-step explanation:

Just multiple the different answers and find which one is equal to 9a + 12

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If 9/a = 7/a², then a=?
lions [1.4K]

Answer:

\frac{7}{9}

Step-by-step explanation:

\frac{9}{a} = \frac{7}{a^{2}}

9.a^{2} = 7a

9a = 7

a= 7/9

Hope this helps ^-^

3 0
3 years ago
Jack has written the name of each planet of the solar system on a separate piece of paper and has placed all these pieces of pap
Alinara [238K]

Answer:

<em>The probability that it would contain at least 6 letters is: </em><u><em>5/8</em></u>

<u><em></em></u>

Step-by-step explanation:

From the question given above,

We know that there are 8 planet that was given.

Mercury        7 letters

Venus           5 letters

Earth             5 letters

Mars              4 letters

Jupiter            7 letters

Saturn             6 letters

Uranus             6 letters

Neptune.          7 letters

Therefore,

P(at least 6 letters) + P( Less than 6 letters) = 1

P (at least 6 letters) + P (3 planet) = 1

P (at least 6 letters) +  ( 3/8) = 1

P(at least 6 letters) = 1 - (3/8)

= 5/8

5 0
3 years ago
Write an equation and solve. Round to the nearest hundredth where necessary. 19 is what percent of 40?
snow_lady [41]
You first divide 40 by 19:

19/40=?

Then you convert that to percentage by dropping the decimal point and attaching a %

(hint: you should get 48% about :)
3 0
4 years ago
Read 2 more answers
Apartment Math Quiz : The total length of your apartment is 30 feet and the total width is 20 feet. What is the total area of th
maks197457 [2]

Answer:

<h2>600ft²</h2>

Step-by-step explanation:

30·20

=600

7 0
3 years ago
Read 2 more answers
Answer ASAP! Which statement best illustrates using the vertical line test to determine if the graph below is a function of x?
vlabodo [156]

Answer: is If something is a function, every x-value, only has one (1) y-value. If the line x = 0 intersects the graph in two points, there are to values for y (instead of one). Therefore the graph is not a function of x.

Step-by-step explanation: answer is A

5 0
3 years ago
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