3 years ago

"what does it mean to evaluate an algebraic expression"

1 answer:

3 0

It means "carry out the arithmetic indicated by the symbols, using the Order of Operations as a guide to the sequence in which you do the arithmetic operations."

For example,
"Evaluate the expression 1+2" means "add 1 and 2 and report the result."

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How many different answers can you get by grouping differently? Add parentheses to the expression 7+3•4+2 to create new expressi

DiKsa [7]

Answer: The different possible solutions are 42, 21, 31 and 80.

Explanation:

The given expression is,

$7+3\cdot 4+2$

Case 1.

$(7+3)\cdot 4+2=10\cdot 4+2$

$(7+3)\cdot 4+2=40+2$

$(7+3)\cdot 4+2=42$

Case 2.

$7+(3\cdot 4)+2=7+12+2$

$7+(3\cdot 4)+2=21$

Case 3.

$7+3\cdot (4+2)=7+3\cdot 8$

$7+3\cdot (4+2)=7+24$

$7+3\cdot (4+2)=31$

Case 4.

$(7+3)\cdot (4+2)=10\cdot 8$

$(7+3)\cdot (4+2)=80$

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3 years ago

20 people is only 4/5 of the total people....what is the total

sleet_krkn [62]

The total is 20*5/4=25

4 0

2 years ago

Read 2 more answers

Rick bought 3 shirts for $18.75 each, 2 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. The

SIZIF [17.4K]

Answer:

3 shirt=3×$18.75

=56.25

2 pair shocks =3.99×2

1 pair slacks=45.00

total=109.25

tax=6.75% then;

109.25+6.25%×109.25

109.25+6.25/100×109.25

109.25+0.0625×109.25

109.25+6.28

116.07

5 0

2 years ago

Clarice adopted a puppy at the pound. He weighed 3.2 lb when she adopted him. Clarice graphed on a number line the weight of her

Dafna11 [192]

C.) rational numbers

5 0

3 years ago

Divide the fractions and simplify the answer . 1/2 ÷ 5/8

Naya [18.7K]

Dividing fractions is equivalent to taking the reciprocal of the second and multiplying them. In this case, we have 1/2*8/5=8/10=4/5.

3 0

2 years ago