2 years ago

If a¹/n =r then which of the following are true statements?

Mathematics

1 answer:

TEA [102]2 years ago

5 0

Answer:

statement B and C are true...hope this helps:)

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artcher [175]

Answer:

Step-by-step explanation:

3 0

3 years ago

What is the answer to all of these?

4vir4ik [10]

$810000\\
0.000621\\
3040000000\\
0.0000043\\
0.00172\\
58100000\\
0.0965\\
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3 0

3 years ago

What are the solutions of the quadratic equation? Solve by factoring. 4x^2-18x+20=0

Romashka-Z-Leto [24]

Answer:

x = 5/2,2

Step-by-step explanation:

3 0

3 years ago

Find each sum.

Greeley [361]

Answer:

Sum is - 5n² -8n + 4.

Step-by-step explanation:

Given : (3n² – 5n + 6) + (–8n²– 3n – 2) .

To find : Sum .

Solution : We have (3n² – 5n + 6) + (–8n²– 3n – 2) .

Combine like terms :

(3n² - 8n²– 5n - 3n + 6 - 2).

- 5n² -8n + 4.

Therefore, Sum is - 5n² -8n + 4.

8 0

3 years ago

Read 2 more answers

Solve for b

Alex73 [517]

Answer:

b= $\sqrt{21}$

Step-by-step explanation:

Considering the given figure the sides 'b' , '2' and '5' are making the sides of a right angled triangle in the top right corner of the square, where

Hypotenuse=5 , Perpendicular=b and Base=2

Using Pythagoras Theorem:

$(Hypotenuse)^2=(Perpendicular)^2+(Base)^2\\$

Implementing the values in the formula:

$5^2= b^2+2^2$

$b^2=5^2-2^2\\\\b^2=25-4\\\\b^2=21\\\\b=\sqrt{21}$

So, the value of 'b' is $\sqrt{21}$ which is same for the the given 'b' in the figure.

7 0

3 years ago