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lutik1710 [3]
3 years ago
13

Calculate the length of x.

Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Use the pythagorean theorem to find the hypotenuse. You can do this by squaring 12 and 11 (separately) and then adding those together. You'll get 265. However, since this is c squared and not c, you have to find the square root for the correct answer. The square root of 265 is approximately 16.28. Hope this helps!

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PLLZZZZ HELPPPP NOWWW!!!!!
rewona [7]

Answer:B

Step-by-step explanation:

8 0
3 years ago
3(s-5)/4 -3 = 4s- (s-3)/2<br>pls answer fast​
Jobisdone [24]

Answer:

s =  \frac{9± \sqrt{ - 39} }{4}

Step-by-step explanation:

\frac{3(s - 5)}{4 - 3}  =  \frac{4s \times (s - 3)}{2}

➡️ \frac{3(s - 5)}{1}  = 2s \times (s - 3)

➡️ 3s - 15 = 2 {s}^{2}  - 6s

➡️ 3s - 15  -  2 {s}^{2}  + 6s = 0

➡️ 9s - 15 - 2 {s}^{2}  = 0

➡️ - 2 {s}^{2}  + 9s - 15 = 0

➡️ 2 {s}^{2}  - 9s + 15 = 0

➡️ s =  \frac{ - ( - 9)± \sqrt{( - 9 {)}^{2}  - 4 \times 2 \times 15} }{2 \times 2}

➡️ s =  \frac{9± \sqrt{81 - 120} }{4}

➡️ s =  \frac{9± \sqrt{ - 39} }{4}

➡️ s∉ℝ

5 0
3 years ago
How many solutions does the system have? <br> y=−2x+2<br> y=x^2−3x
s2008m [1.1K]
Y=-2x+2 and y=x^2-3x.

If there are solutions the x and y values are equal so we can say y=y:

x^2-3x=-2x+2  add 2x to both sides

x^2-x=2  subtract 2 from both sides

x^2-x-2=0  now factor...

x^2+x-2x-2=0

x(x+1)-2(x+1)=0

(x-2)(x+1)=0

So there are two solutions, when x=-1 and 2

Using y=-2x+2 we can find the corresponding y values for the solutions...

y(-1)=-2(-1)+2=2+2=4, y(2)=-2(2)+2=-4+2=-2 so the two solutions are the points:

(-1,4) and (2,-2)
3 0
4 years ago
Mary needs a board 4 feet 8 inches longShe cut a board 56 inches longDid Mary cut the right length?
dmitriy555 [2]

Answer:

Yes

Step-by-step explanation:

You need convert the 4 feet 8 inches to only inches

4 feet = 48 inches

48 + 8 = 56 inches

So yes

7 0
3 years ago
I WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!
docker41 [41]

Answer:

B

300 ft

Perimeter of new triangle

5 0
3 years ago
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