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Fantom [35]
3 years ago
7

What is 6/4-9/8 +(6/8 )- 2/6​

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0
My guy I have no idea so I would just cheat sorry

Explaination
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X^4-28x^2=0 solve algebraically
Paha777 [63]
x^4 - 28x^2  = 0

x^2(x^2 - 28) = 0

x^2 = 0 \ \ or \ \ (x^2 - 28) = 0

x = 0 \ \ or \ \ x^2 = 28

x = 0 \ \ or \ \ x = \pm \sqrt{28}

x = 0 \ \ or \ \ x = \pm2 \sqrt{7}

---------------------------------------------------
Answer : x = 0 or 2√7 or -2√7
---------------------------------------------------
8 0
3 years ago
Help me plzzzzzzzzzzzzzzzzzzz
Shkiper50 [21]

Answer:

5^8/5^6=5^2

Step-by-step explanation:

When dividing numbers with powers, it is handy to remember that

x^y/x^z=x^y^-^z

so

5^8/5^6=5^8^-^6 = 5^2

4 0
2 years ago
Read 2 more answers
If the measures of two angles of a triangle are 95 and 14°, what is the measure of the third angle?​
marin [14]

Answer:

71°

Step-by-step explanation:

95° + 14° = 109°

180° in a triangle

180° - 109° = 3rd angle = 71 °

3 0
2 years ago
Read 2 more answers
The Tennessee Tourism Institute (TTI) plans to sample information center visitors entering the state to learn the fraction of vi
baherus [9]

Answer: 2185

Step-by-step explanation:

Let p be the proportion of visitors are campers.

Given : The Tennessee Tourism Institute (TTI) plans to sample information center visitors entering the state to learn the fraction of visitors who plan to camp in the state.

The prior proportion of visitors are campers : p=0.35

Allowable error : E= 2%= 0.02

We know that the z-value for 95% confidence = z_c=1.96

Then by Central Limit Theorem , the required sample size would be :

n=p(1-p)(\dfrac{z_{c}}{E})^2

\Rightarrow\ n=0.35(1-0.35)(\dfrac{1.96}{0.02})^2\\\\ n= 0.35(0.65)(9604)

Simply , we get

n=2184.91\approx2185  [Rounded to the next whole number.]

Hence, the smallest sample size to estimate the population proportion of campers =2185

7 0
2 years ago
Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–
neonofarm [45]

The answer would be (-3+18) + (i +5i)


This is because changing the order of the numbers does not change the sum

6 0
3 years ago
Read 2 more answers
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