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vovikov84 [41]
2 years ago
12

Lynda has $32.00 to spend at the grocery store on boxes of macaroni and cheese. The cost is $3 per box. In addition, her mom tol

d her to buy some oranges that will cost $5. Which equation will let Lynda know how many total boxes of macaroni and cheese,m, she can buy?
A.32 = 5m + 3
B.32 = 3m + 5
C.32 = 3(m - 2) - 5
D.32 = 3(m - 2) + 5
Mathematics
1 answer:
solong [7]2 years ago
8 0

Answer:

  • B. 32 = 3m + 5

Step-by-step explanation:

  • Total money to spent = $32
  • Cost of macaroni and cheese = $3 per box
  • Number of boxes = m
  • Cost of oranges = $5

Cost of macaroni and cheeses: 3m

<u>Required equation is:</u>

  • 32 = 3m + 5

Correct option is B

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Evaluate 1 whole number 2/5 + 3/4 and give your answer to one significant figure​
ehidna [41]

Answer:

The answer is

<h3>2 to 1 significant figure</h3>

Step-by-step explanation:

1 \frac{2}{5}  +  \frac{3}{4}

To solve the question first convert the mixed fraction to an improper fraction

That's

1 \frac{2}{5}  =  \frac{7}{5}

So we have

\frac{7}{5}  +  \frac{3}{4}

Find the LCM of the fractions

The LCM of 5 and 4 is 20

That's

\frac{7}{5}  +  \frac{3}{4}  =  \frac{7(4) + 3(5)}{20}  =  \frac{28 + 15}{20}

=  \frac{43}{20}

= 2.15

We have the final answer as

<h3>2 to 1 significant figure</h3>

Hope this helps you

3 0
3 years ago
. Find two polynomial expressions whose quotient, when simplified, is 1/x . Use that division problem to determine whether polyn
Sergeeva-Olga [200]

Answer:

The two polynomials are:

(x + 1) and (x² + x)

Step-by-step explanation:

A polynomial is simply an expression which consists of variables & coefficients involving only the operations of addition, subtraction, multiplication, and non - negative integer exponents of variables.

Now, 1 and x are both polynomials. Thus; 1/x is already a quotient of a polynomial.

Now, to get two polynomial expressions whose quotient, when simplified, is 1/x, we will just multiply the numerator and denominator by the same polynomial to get more quotients.

So,

Let's multiply both numerator and denominator by (x + 1) to get;

(x + 1)/(x(x + 1))

This gives; (x + 1)/(x² + x)

Now, 1 and x are both polynomials but the expression "1/x" is not a polynomial but a quotient and thus polynomials are not closed under division.

6 0
3 years ago
The answer for number 32
iogann1982 [59]
8% write left handed.
90+60=150
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The difference of a number m and 18 how would you write a algebraic expression ​
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Symbolically, that difference would be written as m - 18.

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