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finlep [7]
3 years ago
12

Is the expression 3x+2x−4 in simplest form

Mathematics
2 answers:
stich3 [128]3 years ago
7 0
No, because you would have to simplify like terms. Which the simplest form would be
5x-4
klio [65]3 years ago
6 0
No, because you can add the 3x and the 2x. They can be added together because they have the same unit. It's like saying I have 3apples plus 2 apples, but I can actually just say I have 5 apples.

3x+2x-4 in simplest form is 5x-4.
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A rectangular piece of metal is 15 in longer than it is wide. Squares with sides 3 in long are cut from the four corners and the
ziro4ka [17]

Answer:

The original dimensions of the piece of metal are

Length: 36 inches

Width: 21 inches

Step-by-step explanation:

Let

x ----> the original length pf the piece of metal

y ----> the original width pf the piece of metal

we know that

x=y+15 ----> equation A

The volume of the box is equal to

V=LWH

we have

V=1,350\ in^3

L=(x-3-3)=(x-6)\ in\\W=(y-3-3)=(y-6)\ in

H=3\ in

substitute in the formula of volume

1,350=(x-6)(y-6)(3) ----> equation B

substitute equation A in equation B

1,350=(y+15-6)(y-6)(3)

solve for y

450=(y+9)(y-6)

y^2-6y+9y-54=450\\y^2+3y-504=0

Solve the quadratic equation by graphing

using a graphing tool

The solution is y=21

Find the value of x

x=21+15=36

therefore

The original dimensions of the piece of metal are

Length: 36 inches

Width: 21 inches

5 0
2 years ago
Please help on this math problem!!!! will mark brainliest!!!!
worty [1.4K]

Answer:

\frac{14}{33}

Step-by-step explanation:

1/6 + 1/6 + 1/3 + 1/3 + 1/3 + 1/2 + 2/3 + 2/3 + 2/3 + 5/6 = 14/3

(14/3)/11 = 14/33

Hope this helps!

(Please mark Brainliest)

4 0
2 years ago
Read 2 more answers
lemont has 30 books to pack the boxes each box holds 7 books if he fills each box how many boxes are left over
mariarad [96]

Answer:

2 books

Step-by-step explanation:

If 7 books= 1 box

Then 30 books= 30÷7= 4 boxes with a remainder of 2 books

Therefore books left over= 2 books

6 0
3 years ago
Can you please help me and explain this in a way that I can understand ​
melomori [17]

Answer:

180 Degrees

Step-by-step explanation:

So, m∠1 = m∠2 = m∠3 means that these angles are the same degrees

The question asks whats the degree of m∠CDG so first we find those points. In this image, it looks like points C,D and G form a line which is also equivalant to 180.

I hope you understand! If not, i'll try to elaborate more

3 0
3 years ago
A car leaving a stop sign accelerates...what is the average speed of the car, in feet per second, equation d=1.1t^2 average spee
spayn [35]

Answer:

10.27 feet/sec.

Step-by-step explanation:

The distance traveled by the car, d in feet, is given by the function d = 1.1t^{2} .......... (1), where t is the time in seconds.

So, at t= 2 sec, from equation (1) we get d = 1.1 × 4 = 4.4 feet.

Again, at t = 5 sec, we get d = 1.1 × 32 = 35.2 feet.

Now, average speed of the car from t = 2 sec. to t = 5 sec. will be give by

\frac{\textrm {Total distance traveled}}{\textrm {Total time spent}}

= \frac{35.2 - 4.4}{5 - 2} = 10.27 feet/sec. (Answer)

8 0
3 years ago
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