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Inessa [10]
3 years ago
7

14x+21y+7z distribute property. Pls help. First will be awrared

Mathematics
1 answer:
laila [671]3 years ago
3 0

Answer:

7(2x+3y+z)

Step-by-step explanation:

you've got to take a 7 out of each phrase

so 14x/7= 2x

21y/7= 3y

7z/7= z

So 7(2x+3y+z)

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PLZ HELP ASAP FOR BRAINLIEST
kykrilka [37]

Answer:

1/4

Step-by-step explanation:

You can set up ratios or fractions for the matching sides.

A/B

1/4 = 1/4

1.1/ 4/4= 1/4

1.5/6 = 1/4

5 0
3 years ago
Read 2 more answers
Help me fast I need please
ale4655 [162]

Answer:

2/9

Step-by-step explanation:

Since there are 18 total eggs (cracked, white, brown) we can say that the denominator will be 18.

There are 8 white eggs, and when half of those are cracked there will be 4 uncracked and 4 cracked, so 4/18.

Simplify 4/18 to 2/9 and there is your answer.

4 0
3 years ago
Will give brainlist plz help its for my 9 week exam<br><br> a. 228<br> b. 229<br> c. 172<br> d. 171
natka813 [3]

Answer:

I think its 229

if you take how many yellow marbles he got out of 7 it would be 3/7 and then I divided 400 by 7 and got 57. something so I multiplied 3 times 57 and got 171. So if you take 400-171 you get 229

4 0
3 years ago
a bag contains only a red and blue marbles there are a total of 36 marbles in the back there are five red marbles for every four
Harrizon [31]
Let R and B be the number of red and blue marbles respectively.

Then,
R+B = 36
R:B = 5:4

Therefore,
Ratio of red marbles = 5/9
Ratio of blue marbles = 4/9
This means,
R = 5/9*36 = 20 marbles
B = 4/9*36 = 16 marbles

If one blue marble is removed from the bag, the  new B= 16-1 = 15 blue marbles  and the new total of marbles in the bag = 36-1 = 35 marbles.
The new ratios are
R = 20/35 =4/7
B = 15/35 = 3/7
That is, R:B = 4:3

The reasoning of the student is wrong. When a marble is removed, both the number of blue marbles changes as well as the total of the marbles in the bag. In other words, both the values in the ratio reduce by 1.
7 0
3 years ago
3.) A 24 pack of soda costs $6.48.<br> What is the unit rate of cost per can?
Dmitry [639]

Answer:

$0.27

Step-by-step explanation:

The unit rate of cost per can would equal total costs divide by total can

= $6.48 / 24

= $0.27

Hope this helped :3

4 0
3 years ago
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