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ioda
2 years ago
15

HELP ME PLEASE!!!!!!!

Mathematics
2 answers:
Bess [88]2 years ago
7 0
The answer is y=-3 ur welcome
inysia [295]2 years ago
3 0
Here you go :) I sent the work in the picture below

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65 POINTS PLEASE HELP
miskamm [114]

Answer:

        1  

= -----------

   6(x + 7)

Step-by-step explanation:

3x - 21      x^2 - 49

----------- ÷ -------------

18x - 18        x - 1

3x - 21          x - 1

----------- ×  -------------

18x - 18       x^2 - 49

Factor the top left:

3x - 21  = 3(x - 7)

Factor the bottom left:

18x - 18 = 18(x - 1)

Factor the new bottom right:

x^2 - 49 = (x + 7)(x - 7)

Multiply and simplify the faction:

3(x - 7)            x - 1

----------- ×  -----------------

18(x - 1)       (x + 7)(x - 7)

        1  

= -------------

   6(x + 7)

6 0
3 years ago
Read 2 more answers
A triangular pane of glass has a height of 30 inches and an area of 270 square inches. what is the length of the base pane
Tems11 [23]
The equation for the area of a triangle is A= b*h /2. So, plug in your known variables, and you get 270in^2= b*30 /2. First you multiply by 2 to cancel out the division for 2, which gets you 540= b* 30. To get "b" by itself, divide both sides by 30, giving you <u>18=b</u>.

To check this, plug in your new known variable, as 270= 18* 30 /2. This will equal as 270=270, confirming 18in as the correct measurement.
3 0
3 years ago
50% of 80 solve pls show working<br>pls I know it just try working it​
Eduardwww [97]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{40}}}}}

Step-by-step explanation:

\sf{50 \: \% \: of \: 80}

To convert the percent into a fraction , divide it by 190 and remove the % symbol. Then , Simplify the fraction to its lowest term.

⇒\sf{ \frac{50}{100}  \times 80}

⇒\sf{ \frac{1}{2}  \times 80}

Divide 80 by 2

⇒\sf{40}

Hope I helped!

Best regards!!

5 0
3 years ago
Read 2 more answers
What is the value of the function when x = 2? <br> <br> x −4 −2 0 2 4<br> y 3 4 2 6 7
Savatey [412]
Where is the function?
8 0
3 years ago
Help Meeeeeeee!!!!!!!!
vesna_86 [32]

Answer: 1st one

Step-by-step explanation:

8 0
3 years ago
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