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Leona [35]
3 years ago
14

Quadrilateral RSTQ is a parallelogram.

Mathematics
1 answer:
Basile [38]3 years ago
3 0

<S ~= <Q AND TQ ~= SR

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Someone help PLEASE
Iteru [2.4K]

Answer:

<h2>Q4. (-7)</h2><h2>Q5. (-8)</h2>

Step-by-step explanation:

The perfect square:

(a+b)^2=a^2+2ab+b^2

Q4

We have

y^2+14y+49=0\\\\y^2+2(y)(7)+7^2=0\\\\(y+7)^2=0\iff y+7=0\qquad\text{subtract 7 from both sides}\\\\\boxed{y=-7}

Q5

We have

y^2+16y+64=0\\\\y^2+2(y)(8)+8^2=0\\\\(y+8)^2=0\iff y+8=0\qquad\text{subtract 8 from both sides}\\\\\boxed{y=-8}

7 0
3 years ago
Josie's last four test scores in math were 82 89 92 87. what score on her next test will give her an average of 89 or above
liraira [26]
Take the 89 times 5 tests. You get 445 total score you need for an average of 89.  Add 82, 89, 92, 87=350 445-350=95  They must get a 95 on next test to get the average of 89
8 0
3 years ago
What are the coordinates of the midpoint of segment whose endpoints are A(-2,7) and B(4,-2)?
FromTheMoon [43]
Around 10 of not a clue. Good luck on that!
3 0
1 year ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 4 to 7. If there were 5
Kipish [7]
4/7 = y/5019....with y being yes votes
cross multiply
(7)(y) = (4)(5019)
7y = 20076
y = 20076/7
y = 2868 <=== yes votes

total of yes and no votes : 5019 + 2868 = 7887
8 0
3 years ago
By how many is 450 x 1000 less than 500,000
kompoz [17]
It is 50,000 less 

450 x 100 = 450,000 
3 0
3 years ago
Read 2 more answers
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