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3 years ago

Please help meee please o' please

Mathematics

1 answer:

bulgar [2K]3 years ago

4 0

Answer:

Step-by-step explanation:

use PEMDAS to solve

9-5=4

4^2=16

16/8=2

3+2=5

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What is the answer to the pic

MA_775_DIABLO [31]

Answer:

$7$

Step-by-step explanation:

$\frac{7^{-1}}{7^{-2}}$

$7^{-1-(-2)}$

$7^{-1+2}$

$7^{1}$

$7$

I used the following rules:

$\frac{a^m}{a^n}=a^{m-n}$

$a^1=a$

$a \neq 0$

6 0

3 years ago

PLZ HELP ILL GIVE BRAINLEST FOR RIGHT ANSWER AND PLS EXPLAIN TOO

UNO [17]

Answer:

166

Step-by-step explanation:

A=2(wl+hl+hw)=2·(4·5+7·5+7·4)=166

5 0

3 years ago

Double somme help please

Lady_Fox [76]

Answer:

looks like a nazi symbol

Step-by-step explanation:

7 0

2 years ago

The cost of a car rental is thirty dollars a day plus fifteen cents a mile. If the total cost to rent the car was one hundred an

Elan Coil [88]

Answer:

Step-by-step explanation:

Alright, lets get started.

Suppose car was driven x miles in its 4 days trip.

Cost of a car rental is thirty dollar per day.

So, for 4 days, the car rental will be = $30*4=120$ $

For 1 mile, it adds fifteen cents,

So, for x miles, the cost will be = $0.15 x$ $

As per question, total rent is 180 $

Total rent will be = $120 + 0.15 x = 180$

Subtracting 120 in both sides

$0.15 x = 180-120=60$

$x=\frac{60}{0.15}$

$x=400$

It means car was driven 400 miles. : Answer

Hope it will help :)

4 0

3 years ago

Which expression is a perfect cube

mamaluj [8]

Answer: some perfect cubes are

8 (2^3)

27 (3^3)

64 (4^3)

there are many perfect cubes

maybe there is more to this question?

Step-by-step explanation:

A perfect cube of a number is a number that is equal to the number, multiplied by itself, three times. If x is a perfect cube of y, then x = y3. Therefore, if we take the cube root of a perfect cube, we get a natural number and not a fraction. Hence, 3√x = y. For example, 8 is a perfect cube because 3√8 = 2.

6 0

2 years ago