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murzikaleks [220]
3 years ago
13

Did I get this right? And please explain why or why not please

Mathematics
1 answer:
schepotkina [342]3 years ago
3 0
\bf 7x^2-10\implies 7(\stackrel{x}{6})^2-10\implies 7(36)-10\implies 252-10\implies 242
\\\\\\
43\ \textless \ y-30\implies 43+30\ \textless \ y\implies 73\ \textless \ y\qquad y=
\begin{cases}
74\\
75\\
76\\
77\\
...+\infty
\end{cases}
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Help!
Bess [88]
Website 1

y=1.50x+30

Website 2

y=2x+30

Hope this helps!
4 0
3 years ago
Bedroom has a perimeter of 46 feet. If the length is 11 feet, what is the width?
rjkz [21]
Perimeter is L+W+L+W=2L+2W by definition
L=11 so 46=2*11+2W
46=22+2W
46-22=2W
24=2W
W=24/@
W=12
4 0
3 years ago
Read 2 more answers
PLEASE HELP WILL GIVE BRAINLY<br><br>(USE BAR NOTATION IF NEEDED!!!!!!<br>CONVERT TO DECIMAL
emmainna [20.7K]

Answer:

3.34 is the decimal form but the question is unclear, what is it that you need?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Look at the figure. If m∠JKM = 48, find m∠J.
vladimir2022 [97]

Answer:

42

Step-by-step explanation:

The measure of angle K is 48, the measure of angle m is 90. From there you have 138 degrees. A triangle is 180 degrees. You subtract 138 from 180.

3 0
3 years ago
(5x-2)^2 help asap pleaseee
omeli [17]

Answer:

25x² − 20x + 4

Explanation:

(5x − 2)²

= (5x + −2)(5x + −2)

= (5x)(5x) + (5x)(−2) + (−2)(5x) + (−2)(−2)

= 25x² − 10x − 10x + 4

= 25x² − 20x + 4

5 0
3 years ago
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