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balandron [24]
2 years ago
12

Anyone know the answer to this I’m confused ?

Mathematics
1 answer:
lutik1710 [3]2 years ago
7 0

Answer:

I maybe wrong but I think the answer is the 4th one

Step-by-step explanation:

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Assume a = b and c ≠ 0 . Which of the following sentences is not true?
Debora [2.8K]

Answer:

3

Step-by-step explanation:

ac=0+0 which is 0 so 0 is 0

3 0
3 years ago
If three times a number is minus
igor_vitrenko [27]
Another number will be negative.
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Mason and Nora decided to swim across the river. Mason began swimming 7.7 seconds earlier than Nora. Mason swam at a speed of 5
user100 [1]
Let d be distance travelled when they are level , and t = time that nora took to get level with mason for Nora 6 = d/t d = 6t for Mason 5 = d / (t + 35) d = 5 ( t + 350 so 6t = 5(t + 35) solve for t
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If 9p=5q which is the correct ratio of p:q
tatyana61 [14]

Answer: LHS = RHS

Step-by-step explanation:

Heya!!

Here, we need to compare the LHS and RHS

So, here is the solution -

(9p-5q)²+ 180 pq = (9p+5q)

LHS

= (9p-5q)²+ 180 pq

= 81 p² + 25 q² + 90 pq + 180 pq

= (9p - 5q) ²

RHS = (9p - 5q) ²

Hence, proved => LHS = RHS

Hope it helps!

4 0
2 years ago
Read 2 more answers
Solve by using elimination. Express your answer as an Ordered pair (-x +2y=3 3x-2y=7
MAVERICK [17]

Answer:

(5,4)

Step-by-step explanation:

-x+2y=3

3x-2y=7

Add the like terms( 2y and -2y)(-x and 3x)(3 and 7) together. Do this vertically. 2y and -2y cancel eachother out.

  • 2x=10

Divide both sides by 2

  • <u>x=5</u>

To find y, substitute x in for y in one of the equations

  • -5+2y=3

add 5 to both sides

  • 2y=8

Divide both sides by 2

  • <u>y=4</u>

Check:

  • -5+2(4)=3
  • 3=3
4 0
2 years ago
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