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SashulF [63]
3 years ago
6

Please find the value of x.

Mathematics
1 answer:
makkiz [27]3 years ago
8 0

Answer:

x = 47

Step-by-step explanation:

360 = 3x+17+2x-10+x+71

360= 6x+78

282= 6x

47 = x

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2x squared + 9x=-5 i need to solve for x
In-s [12.5K]
2x^2+ 9x=-5 \\ \\2x^2 + 9x+5 =0 \\\\a=2, \ \ b=9 , \ \ c=5 \\\\\Delta =b^2-4ac = 9^2 -4\cdot 2\cdot 5 =  81-40=41 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-9-\sqrt{41}}{2\cdot 2 }=\frac{-9-\sqrt{41}}{ 4 }\\\\ x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{-9+\sqrt{41}}{2\cdot 2 }=\frac{-9+\sqrt{41}}{4 }
3 0
3 years ago
Amelia wants to know which school has the higher sat average relative to the resources invested per student and new your thought
Neko [114]

Answer:

i don't know

Step-by-step explanation:

5 0
3 years ago
Suppose the CPI increases this year from 208 to 221. What is the rate of inflation for this year? Round your answer to the neare
guajiro [1.7K]

SOLUTION:

We are to find the rate of inflation in the given question;

The formula to be used is;

Inflation rate =

\frac{\text{CPI}_{present}-CPI_{previous}}{CPI_{previous}_{}}\text{ X 100}\begin{gathered} \frac{221-208}{208}\text{ X }\frac{100}{1} \\  \\ \frac{13}{208}X\frac{100}{1} \\  \\ 6.25\text{ \%} \\ 6.3\text{ \% (nearest tenth of a percentage)} \end{gathered}

CONCLUSION

The inflation rate of CPI that increased from 208 to 221 to the nearest tenth of a percentage is 6.3%.

8 0
1 year ago
A central angle of a circle measures 42 degrees. What else can be shown to measure 42 degrees?
Slav-nsk [51]

Answer:

Vertically opposite angles

Step-by-step explanation:

Given

\theta = 42^\circ

Required

What else can measure \theta = 42^\circ

The question has missing options. So, I will give a general explanation.

Using the attached image as a point of reference.

Given that:

\theta = 42^\circ

The value of b is calculated as:

b = \theta

Because b and \theta are vertically opposite angles

<em>This gives:</em>

<em></em>b = 42^\circ<em></em>

<em></em>

<em>So, one possible answer to the question is a vertically opposite angle</em>

4 0
3 years ago
Daisy gave away 4more than half of her apples.She gave away 19 apples.How many Apples did daisy have originally?
zaharov [31]
Well she gave 4 more than half so if she gave 19 half is 15, 19-4=15. So since it is 1/2 we have to do 15*2 which equals 30

Answer: 30 apples
3 0
3 years ago
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