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dangina [55]
3 years ago
14

write the numerical expression. The difference between 8 forty-sevens and 7 forty-sevens. Write your answer with no spaces.

Mathematics
2 answers:
12345 [234]3 years ago
8 0

Answer:

47(8)-47(7)

Step-by-step explanation:

Anestetic [448]3 years ago
4 0

Answer:

Hope this helps! :)

Step-by-step explanation:

47(8)-47(7)

Give brainiest if you would like :)

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25 = 6x - 5<br><br> what does x =
Jobisdone [24]

Answer:

x = 5

Step-by-step explanation:

25 = 6x - 5 (add 5 on both sides)

+5         +5

30 = 6x (divide by 6 on both sides)

5 = x

Hope this helps ya!!

3 0
2 years ago
Emma bought a carpet for $40. Later that carpet was marked down by 20%. By how much has the value been decreased?​
Gnoma [55]
By 8. 20 percent of 40 is 8. :)
5 0
3 years ago
Read 2 more answers
Jessica is making cookies and brownies for a bake sale. Her recipe for cookies calls for 1 egg per batch, and her recipe for bro
skelet666 [1.2K]

Answer:

Number of batches of cookies = 4

Number of batches of brownies = 7

Step-by-step explanation:

Let the number of batches of cookies she made = x

And the number of batches of brownies = y

Total number of batches she made = 11

So the equation representing batches will be,

x + y = 11 ---------(1)

Her recipe for cookies calls for eggs = 1 per batch

So eggs required for x batches of cookies = 1 × x = x

Similarly, her recipe for brownies calls for eggs = 2 per batch

So, eggs required for y batches of brownies = 2y

Total number of eggs required = 18

Therefore, equation will be,

x + 2y = 18 ---------- (2)

Equation (2) minus equation (1)

(x + 2y) - (x + y) = 18 - 11

y = 7

From equation (1),

x + 7 = 11

x = 4

Therefore, number of batches of cookies and brownies she made were 4 and 7.

5 0
3 years ago
((12y+12)/(5y+25)) * ((3y^2-75)/(8y^2-8))
HACTEHA [7]

Answer:

9(y-5)/10(y-1)

Step-by-step explanation:

If brainiest is earned its greatly Appreciated

7 0
2 years ago
Read 2 more answers
Akim runs 1.75 miles on his first day of training for a road race. the next day, he increases his distance run by 0.25 miles. th
JulsSmile [24]
<span>He runs 69.75 miles.

Explanation:
This can be represented as an arithmetic sequence, since the same number of miles is added each day.

The explicit form for this arithmetic sequence would be 1.75+0.25(n-1). However, we also need the sum. Using technology,
</span>\Sigma_{n=1}^{18} 1.75+0.25(n-1)=69.75.<span>
</span>
7 0
3 years ago
Read 2 more answers
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