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3 years ago

How to solve (a-3)4

Mathematics

2 answers:

inessss [21]3 years ago

7 0

Answer:

4a - 12

Step-by-step explanation:

1. (a + −3) (4)

2. (a) (4) + (−3) (4)

4a − 12

Aloiza [94]3 years ago

5 0

Answer: a

−

Step-by-step explanation:

Multiply everything by 3 to cancel out the division by 3 on the left, and that should leave you with

⋅

−

(Dividing and multiplying are opposites, like adding and subtracting or integrating and differentiating. One does something, the other undoes it. If you want to get rid of a multiplication, divide it. If you want to get rid of an integration, differentiate it.)

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Dibble purchased some hoots for $2 each and sole alabers for $6 each. total cost was about $24 altogether, she purchased 10 item

Sati [7]

2x+6y=24
Explanation: $2 each meaning it’s 2 times x because we don’t know how many hoots and $6 each meaning it’s also 6 times y and then $24 is our total meaning =24 so your answer is 2x+6y=24

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3 years ago

There are 8 members on the student council. A committee consisting of 2 members is to be made. How many different committees are

wlad13 [49]

Answer

28 committees

Explanation:

The total number of members = 8

We want to make a committee of 2 members

We will be applying the combination concept

$\begin{gathered} \text{let n = 8 and r = 2} \\ ^nC_r\text{ = }\frac{n!}{(n\text{ - r)!r!}} \\ ^8C_2\text{ = }\frac{8!}{(8\text{ - 2)!2!}} \\ ^8C_2\text{ = }\frac{8!}{6!2!} \\ ^{8_2}C\text{ = }\frac{8\text{ x 7 x 6 x 5 x 4 x 3 x 2 x 1}}{6\text{ x 5 x 4 x 3 x 2 x 1! 2 x 1}} \\ ^{8_{}}C_2\text{ = }\frac{8\cdot\text{ 7}}{2} \\ ^{8_{}}C_2\text{ = 28 committees} \end{gathered}$

Therefore, 28 committees can be formed

8 0

1 year ago

What is 33 times 8 after tax’s

Alchen [17]

The answer is $264 hope it helped.

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3 years ago

Read 2 more answers

The first jumbo jet was the Boeing 747, which is 70.5 meters long. The wingspan of the 747 is 60 meters. A model 747 has a wings

yanalaym [24]

Answer:

94cm

Step-by-step explanation:

wingspan length

60 meters 70.5 m

----------------- = ----------------

80 cm x

Cross multiply

(60 m)x = (70.5 m)(80 cm)

Solve for x by dividing both sides of equation by 60 m:

x = (70.5 m)(80 cm) / (60 m) = 94 cm

The length of the model is 94 cm.

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3 years ago

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Which expression does not name an integer<br>A. -15 B. 6/14 C. 0 D. 12/6

Alona [7]

Answer:

Step-by-step explanation:

An integer is a whole number, 1, 2, 3, 4, ..., or zero, otr the negative of a whole number, -1, -2, -3, ...

An integer does not have a decimal part.

Answer: B

7 0

1 year ago

How to solve (a-3)4​

How to solve (a-3)4