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PtichkaEL [24]
3 years ago
15

Question 8: (Round to the nearest tenth if necessary) *

Mathematics
1 answer:
kirill [66]3 years ago
5 0

Answer:

your answer is 452 i just did a test on it and got the same question

Step-by-step explanation:

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What is the value of x?​
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Answer:

Step-by-step explanation:

x + 112 + 133+128+100+120= 720

x + 593 = 720

x = 127

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3 years ago
Can someone please help me solve my IXL problems???????
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3 years ago
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Use the Quadratic Formula to solve x2 + 20x + 98 = 0
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ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\if\ \Delta \ \textless \  0\ then\ no\ solution\\\\if\ \Delta =0\ then\ one\ solution\ x_0=\dfrac{-b}{2a}\\\\if\ \Delta \ \textgreater \  0\ then\ two\ solutions\ x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\-----------------------------

x^2+20x+98=0\\a=1;\ b=20;\ c=98\\\\\Delta=20^2-4\cdot1\cdot98=400-392=8 \ \textgreater \  0\\\sqrt\Delta=\sqrt8=\sqrt{4\cdot2}=\sqrt4\cdot\sqrt2=2\sqrt2\\\\x_1=\dfrac{-20-2\sqrt2}{2\cdot1}=\dfrac{-20-2\sqrt2}{2}=-10-\sqrt2\\\\x_2=\dfrac{-20+2\sqrt2}{2\cdot1}=\dfrac{-20+2\sqrt2}{2}=-10+\sqrt2
3 0
4 years ago
The fluid ounce is a customary unit of capacity.<br><br><br> True False
ASHA 777 [7]

Answer:

True

Step-by-step explanation:

The U.S. customary system uses the fluid ounce (fl oz).

8 0
4 years ago
The sum of three numbers is 35. The first number is three less than the second and the third is two more than 4 times the second
saul85 [17]

Step-by-step explanation:

x + y + z = 35 \\ x = y - 3 \\ z = 4y + 2 \\  \\ (y - 3) + y + (4y + 2) = 35 \\ 6y - 1 = 35 \\ 6y = 36 \\ y =  \frac{36}{6}  \\ y = 6 \\  \\ x = y - 3 \\ x = 6 - 3 \\ x = 3 \\  \\  z= 4y + 2 \\  z= (4 \times 6) + 2  \\ z = 26

7 0
3 years ago
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