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Brums [2.3K]
2 years ago
11

PLEASE HELP!! URGANT!!

Mathematics
1 answer:
slavikrds [6]2 years ago
7 0

Answer:

9

Step-by-step explanation:

equation: QRI+IRS=QRS

calculate it and you get x=9

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Hey hun can any of y'all help me?
11111nata11111 [884]
\bf \cfrac{5}{\frac{1}{6}+\frac{1}{x+1}}\qquad \cfrac{}{\impliedby LCD\textit{ will be 6(x+1)}}\implies \cfrac{5}{\frac{1(x+1)+1(6)}{6(x+1)}}
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\cfrac{5}{\frac{x+1+6}{6(x+1)}}\implies \cfrac{\frac{5}{1}}{\frac{x+7}{6(x+1)}}\implies \cfrac{5}{1}\cdot \cfrac{6(x+1)}{x+7}\implies \cfrac{30(x+1)}{x+7}

and you can expand the numerator if you wish, it won't be simplified further though.
6 0
3 years ago
What would the nearest tenth be to 399?
vodomira [7]
400 would be the answer
6 0
2 years ago
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What is the vertex of y=x^2+4x+3
AnnyKZ [126]

Answer:

(-2, -1)

Step-by-step explanation:

This is a quadratic equation in standard form, and a = 1, b = 4 and c = 3.

The x-coordinate of the vertex is given by the formula

        -b                                                                         -4

x = --------- which here has the numerical value x = -------- = -2

        2a                                                                           2

Finally, we evaluate y=x^2+4x+3 at x = -2 to find the y-coordinate of the vertex:

y = (-2)^2 + 4(-2) + 3 = -1

The vertex is at (-2, -1).

7 0
3 years ago
Plssssssss helpppppp
Svetlanka [38]

Answer:

61

Step-by-step explanation:

The sum of the three angles of any triangle is equal to 180 degrees.

180-58=122

122/2=61

We divide by two because we are missing the other two angles but they are both equal.

3 0
3 years ago
12 A train in France can travel at a speed
mylen [45]

Answer: 267.402

Step-by-step explanation:

The answer is 267.402 because 217.4 times 1.23 = 267.402.

4 0
2 years ago
Read 2 more answers
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