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4 years ago

5

How do your simplify (4^2)^3

1 answer:

sammy [17]4 years ago

7 0

(4^2)^3=(16)^3=16(16)(16)=4096

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I need help with five math questions please help

yulyashka [42]

Answer:

-5X+2Y-2

Step-by-step explanation:

-5X-7-2+2Y+7

-5X-2+2Y

HOPE I HELPED

PLS MARK BRAINLIEST

DESPERATELY TRYING TO LEVEL UP

✌ -ZYLYNN JADE ARDENNE

JUST A RANDOM GIRL WANTING TO HELP PEOPLE!

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3 0

3 years ago

In a biathlon , jackson cycled 9 miles in 3/4 of an hour in the first event. He than ran, on average, 7 miles per hour slower in

lozanna [386]

Answer:

7.5 miles

Step-by-step explanation:

Given

In cycling,He covered 9 miles in $\frac{3}{4}$ hours,Therefore his avg cycling speed, u $=\frac{Distance}{Time} =\frac{9}{\frac{3}{4} } =12\frac{miles}{hour}$
In second event, It took him $1\frac{1}{2} =\frac{3}{2}$ hours to complete,And his avg speed,v is 7 $\frac{miles}{hour}$ slower than in previous event

⇒v= u-7

v= 12-7

v=5

Distance covered in 1st event $=9miles$

Distance covered in 2nd event $=Speed\times Time= 5\times \frac{3}{2} =7.5miles$

4 0

3 years ago

Lily is selling ice cream cones and ice cream sandwiches. She sells 3 ice cream cones and 4 ice cream sandwiches for $14.25. She

brilliants [131]

Answer:

cost of ice cream cones = $1.75

cost of ice cream sandwiches = $2.25

Step-by-step explanation:

Let

x = cost of ice cream cones

y = cost of ice cream sandwiches

3x + 4y = 14.25 (1)

5x + 2y = 13.25 (2)

Multiply (2) by 2

10x + 4y = 26.50 (3)

3x + 4y = 14.25 (1)

Subtract (1) from (3)

10x - 3x = 26.50 - 14.25

7x = 12.25

x = 12.25/7

x = $1.75

Substitute x = 1.75 into (1)

3x + 4y = 14.25

3(1.75) + 4y = 14.25

5.25 + 4y = 14.25

4y = 14.25 - 5.25

4y = 9

y = 9/4

y = $2.25

8 0

3 years ago

Read 2 more answers

How many unique roots will a fifth degree polynomial function have ?

fomenos

It will have 5 roots

7 0

3 years ago

Read 2 more answers

What is the effective interest rate on an account that earns 5.5% compounded monthly?

nataly862011 [7]

Answer:

.46%

Step-by-step explanation:

.055/12= .00458= .46%

4 0

3 years ago