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Ksenya-84 [330]
3 years ago
10

Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0

Answer: -3

Step-by-step explanation:

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Lisa's pet shop has 2 fish tanks.Tank A contains smaller fish who are fed 1 gram of food each per day.Tank B contains 2/3 the nu
Nutka1998 [239]

Answer:

Lisa will not be able to feed both tanks the same amount of food.

Step-by-step explanation:

This question is incomplete, here is the complete question :

"Lisa pet shop has 2 fish tank . Tank A contains smaller fish who were fed 1 gram of food each per day. Tank B contains larger fish who are fed 2 gram each per day. If tank B contains 2/3 the number of fish Tank A contains,will Lisa ever feed both tanks the same amount of food."

Let the number of fish in tank A = f

Lisa fed 1 gram of food each per day  = f × 1 = f

So,the number of fish in tank B =  \frac{2}{3}f

Lisa fed 2 gram of food each per day = \frac{2}{3}f\times 2

If both the tanks are fed with same amount of food then

f=\frac{2f}{3}\times 2

f=\frac{4f}{3}

⇒ 3f = 4f

⇒ 3 = 4

But 3 ≠ 4

Therefore, Lisa will not be able to feed both tanks the same amount of food.

5 0
3 years ago
Alex’s printer can print 8 photos in 12 minutes.
Studentka2010 [4]

Answer:

what are your options for select all that apply

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Identify the four terms of the treaty of Guadalupe Hidalgo
butalik [34]

Answer:

Treaty of Guadalupe Hidalgo (1848) This treaty, signed on February 2, 1848, ended the war between the United States and Mexico. By its terms, Mexico ceded 55 percent of its territory, including parts of present-day Arizona, California, New Mexico, Texas, Colorado, Nevada, and Utah, to the United States.

Step-by-step explanation:

5 0
4 years ago
Jude has $30,000 to invest in a savings account. He chooses an account that earns 1.2% interest compounded annually. If he keeps
noname [10]

Answer:

$1,080

Step-by-step explanation:

30,000*1.2%=360

360*3=1,080

8 0
4 years ago
Triangle ABC has a perimeter 22cm
Lapatulllka [165]

Answer:

ΔABC is not a right- angled triangle

Step-by-step explanation:

Given AB = 8, BC = 5

Then AC = 22 - (8 + 5) = 22 - 13 = 9 cm

Using the converse of Pythagoras' identity

If the square of the longest side equals the sum of the squares of the other 2 sides then triangle is right.

AC² = 9² = 81

AB² + BC² = 8² + 5² = 64 + 25 = 89

81 ≠ 89, hence ΔABC is not right- angled


6 0
3 years ago
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