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4 years ago

12

10 POINTS AND BRAINLIST ANSWER TO FIRST CORRECT ANSWER

2 answers:

kap26 [50]4 years ago

7 0

The correct answer is A

V125BC [204]4 years ago

4 0

The correct answer is: [A]:
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Evaluate each expression.

KonstantinChe [14]

Answer:

Please check the explanation.

Step-by-step explanation:

Solving the expressions

7)

given the expression

$\left(-7\right)+\:\left(-10\right)\:-\:5\:+2$

$\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}$

$\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:\:$

$\mathrm{Apply\:rule\:}+\left(-a\right)\:=\:-a$

so

$=\left(-7\right)-10-5+2$

$=-17-5+2$

$=-22+2$

$=-20$

8)

$\left(-9\right)+4+\left(-8\right)-\left(-7\right)$

$\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}$

$\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:\:$

$\mathrm{Apply\:rule\:}+\left(-a\right)\:=\:-a$

so

$=-5+\left(-8\right)-\left(-7\right)$

$=-5-8-\left(-7\right)$

$=-13-\left(-7\right)$

$=-13+7$

$=-6$

9)

$\left(-6\right)\:-\:\left(2\:\times \:4\right)\:-\:\left(-1\right)\:$

$\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}$

$\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:\:$

so

$\left(-6\right)-\left(2\times \:4\right)-\left(-1\right)$

Calculate within parentheses

$=\left(-6\right)-8-\left(-1\right)$

$=-14-\left(-1\right)$

$=-14+1$

$=-13$

10)

$\left(-8\right)\:+\:\left(-4\:\div \:-4\right)\:-\:8$

solving

$\left(-8\right)+\left(-\frac{4}{-4}\right)-8$

$\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a$

$=-8-\frac{4}{-4}-8$

$=-8-\left(-1\right)-8$

$\mathrm{Apply\:rule}\:-\left(-a\right)=a$

$=-8+1-8$

$\mathrm{Add/Subtract\:the\:numbers:}\:-8+1-8=-15$

$=-15$

5 0

3 years ago

1.1 Outline any FOUR non-price competition strategies that food outlets like Nandos, KFC, Chicken Licken and other businesses sp

Artemon [7]

$\color{pink} \rule{500pt}{100000000pt}$

8 0

2 years ago

Soloha48 [4]

(3*5-11)+(3*13-15)+(1*11-9)= 30
(15-11) + (39-15) + (11-9 ) = 30
4+24+2= 30
30 = 30

So, in this only the numbers given above is used , no gaps are left and I didn't even use 0.
So, i guess my answer is right.

4 0

3 years ago

Evaluate -1/3 - (-1/6)<br><br> explain your answer

Anna11 [10]

The answer is -1/6.

because (-1/6) is a negative expression separated by parenthesis, you use addition instead of subtraction and make it positive.

-1/3+1/6= -1/6

7 0

3 years ago

Help please ? what is the answer ?

RUDIKE [14]

Answer:

42

Step-by-step explanation:

You would divide the 84 by 2

5 0

3 years ago

Read 2 more answers