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elena-14-01-66 [18.8K]
3 years ago
6

Combining Like Terms

Mathematics
1 answer:
swat323 years ago
3 0
It would be a + because the 7 in 7y is positive, therefore it would be added to the X’s. if it was -7y, then the underline would be a –.
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In a village the number of houses and the number of flats are in the ratio 7 : 4 the number of flats and the number of bungalows
LenaWriter [7]

Answer:

  140

Step-by-step explanation:

We can find the number of houses from ...

  # houses = (houses/flats)(flats/bungalows)(# bungalows)

  = (7/4)(8/5)(50)

  # houses = 140

4 0
3 years ago
Help me with my math please
DIA [1.3K]

Answer:

your answer would come out to be 16 square inches.

7 0
3 years ago
The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year. This year the s
snow_tiger [21]

Answer:

The original number of oranges purchased is 260

Step-by-step explanation:

Let the original number of oranges purchased be x

We are given that The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year.

So, Oranges bought this year = x+15\%x=x+\frac{15}{100}x=1.15x

We are given that This year the store bought 299 oranges.

So, 1.15 x= 299

x=\frac{299}{1.15}

x=260

Hence the original number of oranges purchased is 260

4 0
2 years ago
Simplify 7b + 4 + b + 3
adelina 88 [10]

Answer:

8b + 7

Step-by-step explanation:

Add like terms.

7b + b (same as 1b) = 8b

4 + 3 = 7

8 0
3 years ago
Read 2 more answers
Confused! Need help please!! Will mark brainliest!
ziro4ka [17]

Yo sup??

This question can be solved by applying the properties of similar triangles

the triangle with sides 5x and 20 is similar to the triangle with sides 45 and 35

The similarity property used here is called AAA ie angle angle angle property as all the three angles of the 2 triangles are equal.

therefore we can say

5x/45=20/36

x=5 units

Hope this helps

7 0
2 years ago
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