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2 years ago

What is the value of b to the 3rd power- 3a to the 5th power if a=2 and b=5

Mathematics

1 answer:

bekas [8.4K]2 years ago

5 0

The answer is. 3^5 3^2

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What is the value of y+2x+3, if x=4 and y=11

maksim [4K]

Answer:

11+ 8+3=22

Step-by-step explanation:

4 0

3 years ago

X = 4 and y = 3. 3x 2 + 5y A. 27 B. 31 C. 63 D. 159

ryzh [129]

Answer:

Step-by-step explanation:

I did the math

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2 years ago

If x=-7 is a root of the equation x^2+kx+49=0, then k=

aleksley [76]

Answer:

$k=14$

Step-by-step explanation:

Given:

$x^{2}+kx+49 = 0$

$x = -7$

Substitution can be used to find the value of $k$ :

$(-7)^{2}+(-7)k+49 = 0$

$49-7k+49 = 0$

$98 -7k = 0$

$k = 14$

Hope this helps :)

8 0

2 years ago

Express 23/7 in decimal form

g100num [7]

Answer:

3.285714286

Step-by-step explanation:

8 0

2 years ago

9/2 divided by 1/4= ? in simplest form

Allisa [31]

Answer: 18

Do Keep Change Flip (KCF)

Keep: 9/2

Change: ÷ into ×

Flip: 1/4 into 4/1

Your new problem should be 9/2×4/1

Multiply

9/2×4/1=36/2

36/2=18

Final Answer: 18

7 0

2 years ago