All categories

3 years ago

PLEASE ASAP ANSWER: 8 + (7+1)^2 divided by 4 • (1/2)^4

Mathematics

1 answer:

daser333 [38]3 years ago

6 0

The answer is 288.

Step-by-step explanation:

Simplify using BODMAS rule.

B- bracket, O- 0f, D- divison, M- multiplication, A- addition, S- subtraction.

⇒ Solving the terms inside the bracket,

⇒ 8+ 8² divided by 4 $\times$ 1/16

⇒ 8+64 divided by 1/4

⇒ 72/0.25

⇒ 288

You might be interested in

Let A be a set of numbers.

LUCKY_DIMON [66]

Answer:

a. closed under addition and multiplication

b. not closed under addition but closed under multiplication.

c. not closed under addition and multiplication

d. closed under addition and multiplication

e. not closed under addition but closed under multiplication

Step-by-step explanation:

Let A be a set of all integers divisible by 5.

Let $x,y$ ∈A such that $x=5m\,,\,y=5n$

Find $x+y,xy$

$x+y=5m+5n=5(m+n)$

So, $x+y$ is divisible by 5.

$xy=(5m)(5n)=25mn=5(5mn)$

So,

$xy$ is divisible by 5.

Therefore, A is closed under addition and multiplication.

Let A = { 2n +1 | n ∈ Z}

Let $x,y$ ∈A such that $x=2m+1\,,\,y=2n+1$ where m, n ∈ Z.

Find $x+y,xy$

$x+y=2m+1+2n+1=2m+2n+2=2(m+n+1)$

So,

$x+y$ ∉ A

$xy=(2m+1)(2n+1)=4mn+2m+2n+1=2(2mn+m+n)+1$

So,

$xy$ ∈ A

Therefore, A is not closed under addition but A is closed under multiplication.

$Let A=\{2,5,8,11,14,...\}$

Let $x=2,y=5$ but $x+y=2+5=7$ ∉A

Also,

$xy=2(5)=10$ ∉A

Therefore, A is not closed under addition and multiplication.

Let A = { 17n: n∈Z}

Let $x,y$ ∈ A such that $x=17n,y=17m$

Find x + y and xy

$x+y=17n+17m=17(n+m)$

$xy=(17m)(17n)=289mn=17(17mn)$

So,

$x+y,xy$ ∈ A

Therefore, A is closed under addition and multiplication.

Let A be the set of nonzero real numbers.

Let $x,y$ ∈ A such that $x=-1,y=1$

Find x + y

$x+y=-1+1=0$

So,

$x+y$ ∈ A

Also, if x and y are two nonzero real numbers then xy is also a non-zero real number.

Therefore, A is not closed under addition but A is closed under multiplication.

4 0

2 years ago

??????????????????????????

ser-zykov [4K]

Answer:

Step-by-step explanation:

so they used a total of 560 units

we are next told that if the units of usage are 360 or less use the 1st formula, but there is morn than 360 units in the given amount so use the 2nd formula

0.1(x-360+54)

0.1(560-360) + 54 = monthly bill

20+54 = monthly bill

74 = monthly bill

answer D looks good

3 0

3 years ago

Happy new year yall i hope this one is better than the last for all of us (´▽`ʃ♡ƪ)

snow_tiger [21]

Happy New Years to you as well! Stay safe

7 0

2 years ago

Read 2 more answers

Giving brainliest *easy*!!

makvit [3.9K]

Answer:

1130.97

Step-by-step explanation:

It was easy!

8 0

2 years ago

Help help I’ll give u a thank u if u get it right

madreJ [45]

Answer:

Step-by-step explanation:

-49 because 7 multiplied by its self is 49 and since the exponent is negative its -49.I THINKKKKK DON'T KILL ME IF YOU GET IT WRONG.

8 0

2 years ago