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Molodets [167]
3 years ago
14

Please show working out, thanks!

Mathematics
1 answer:
sveticcg [70]3 years ago
4 0
3^2x = 2^3y = x/y = x/y
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FromTheMoon [43]
How many jersey for the teams don't make no sense
7 0
3 years ago
Write the equation of the line through (3,9) and (-2,9)
strojnjashka [21]

Answer:

y = 9

Step-by-step explanation:

y-y1 = m(x-x1)

m is the slope =y2-y1/x2-x1=9-9/-2-3=0

pick any number out of the given two for (x1, x2)

y-9 = 0*(x-3) so

y-9 = 0 add 9 to both sides

y = 9

5 0
2 years ago
Factor 4x^2 - 25 show your work Help Plz!
r-ruslan [8.4K]
<span>4x^2 - 25
= (2x)^2 - 5^2 .................using a^2 - b^2 = (a+b)(a-b)
= (2x + 5)(2x - 5)</span>
4 0
2 years ago
Which number can each term of the equation be multiplied by to eliminate the fractions before solving ? -3/4 m-1/2=2+1/4mA 2B 3C
bixtya [17]

The correct answer is C. 4.

Typically, we look to multiply by the bottom number (the denominator) in order to get fractions to cancel out. If we multiply 1/6 by 6, we get just 1, which is why we do it.

In this problem, you have two different denominators, 2 and 4. If you multiply them all by 2, the term -3/4m will still be a fraction.

-3/4m * 2 = -3/2m

As a result, we must try 4 instead. This causes all of them to cease being a fraction. Even the one with 2 as a denominator.

-1/2 * 4 = -2

7 0
3 years ago
Read 2 more answers
Solve this question—————-
Ber [7]

Answer: (2, -5) (light blue answer choice)

Solving by substitution

−7x+y=−19;−2x+3y=−19

−7x+y+7x=−19+7x (Add 7x to both sides)

y=7x−19

Step: Substitute7x−19 for y in −2x+3y=−19:

−2x+3y=−19

−2x+3(7x−19)=−19

19x−57=−19 (Simplify both sides of the equation)

19x−57+57=−19+57 (Add 57 to both sides)

19x=38

19x/19 = 38/19 (Divide both sides by 19)

x=2

Step: Substitute 2 for x in y=7x−19:

y=7x−19

y=(7)(2)−19

y= −5 (Simplify both sides of the equation)

Therefore: x = 2 and y = −5

5 0
3 years ago
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