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2 years ago

Multiply each equation by a number that produces opposite coefficients for x or y

Mathematics

1 answer:

den301095 [7]2 years ago

6 0

Answer:

4x + 5y = 7 x 2

3x - 2y = -12 x 5

Step-by-step explanation:

i just did it and those are the correct answers

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Only using 2,3,5,8 once to get 104 as many times as possible

Arte-miy333 [17]

8x(5x2+3)=8x(15+3)=8x13=104

3 0

2 years ago

Multiply Conjugates Using the Product of Conjugates Pattern

weeeeeb [17]

Answer:

The product is the difference of squares is $\left(xy-9\right)\left(xy+9\right)={{x}^2}{{y}^2}-81$

Step-by-step explanation:

Explanation

The given expression is (x y-9)(x y+9).
We have to multiply the given expression.
Square the first term xy. Square the last term 9 .

$\begin{aligned}&(x y-9)(x y+9)=(x y)^{2}-(9)^{2} \\&(x y-9)(x y+9)=x^{2} y^{2}-81\end{aligned}$

5 0

1 year ago

Mr. O'Connor had $90 to spend at a football game. He spent 31/45 on his ticket. Then, he spent 3/7 of his remaining money at the

Kobotan [32]

He has $90 in total to spend

He spent (31/45) of this money on ticket

so money spent on ticket =(31/45) *90 =2790/45 =62

Now money left with him is 90-62 =28 $

Now it says that he spent (3/7) of this remaining money at concession stand

so money spent on concession stand =(3/7)*28 =84/7 =12

Now money left with him = 28-12 =16

So money left with him is $16 but hat costs for $18

So Mr. O'Connor didnt have enough moeny to buy the hat

4 0

3 years ago

You work as a quality control inspector of shirts for a clothing manufacturing company. Today you examine one batch and 15% fail

Otrada [13]

Answer:

23%

Step-by-step explanation:

To find how many failed inspection, add together all the percentages:

15 + 5 + 3

= 23

So, 23% of the products failed inspection

5 0

2 years ago

MARK AS BRAINLIEST <br> 11+4-3/4

Margaret [11]

Answer:

57/4

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers