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galben [10]
3 years ago
14

Find the product. Simplify your answer. (9/4s) (9t/-1)

Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:

Improper fraction (-81t/ 4s)

Mixed number (-20 1/4) (t/s)

Step-by-step explanation:

Multiply the numerators

9(9t) = 81t

Multiply the denominators

4s* (-1) = -4s

Put the numerator over the denominator

81t / -4s

If they want the answer as an improper fraction  -81t/4s

If they want a mixed number

81/4 = 20 with 1 left over

20 1/4

Then multiply by (-t/w)

(-20 1/4) (t/s)

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Jack bought 4 dozen eggs at $10 per dozen. 6 were broken. what percent of his money goes to waste
erik [133]

he paid = 4*10 = $40

48 eggs = $40

so, waste money would be 6/48 * 100 = 12.5%

5 0
3 years ago
Alexis paid $50 to active her cell phone plus a service fee of $20 per month.She used the phone for 3 months. How much has she p
TEA [102]

Answer:


Step-by-step explanation:

She paid $50 to activate one time and pays $20/ month

20.00x3=60.00

60.00+50.00=110.00

7 0
3 years ago
Read 2 more answers
3) Solve the System of Equations using Elimination/Combinations. (5 points)
Schach [20]

Answer:

(1, 2 )

Step-by-step explanation:

Given the 2 equations

- 2x - y = - 4 → (1)

x + 2y = 5 → (2)

Multiplying (2) by 2 and adding result to (1) will eliminate x- term

2x + 4y = 10 → (3)

Add (1) and (3) term by term to eliminate x

0 + 3y = 6

3y = 6 ( divide both sides by 3 )

y = 2

Substitute y = 2 into either of the 2 equations and solve for x

Substituting into (2)

x + 2(2) = 5

x + 4 = 5 ( subtract 4 from both sides )

x = 1

solution is (1, 2 )

3 0
3 years ago
Answer with explaination every steps​
g100num [7]

Answer:

y = - 35

Step-by-step explanation:

Expressing as a fraction , that is

\frac{y}{-7} = 5 ( multiply both sides by - 7 to clear the fraction )

y = - 35

5 0
3 years ago
Mito bakes biscuits.He uses 1/4 cup of flour to coat the countertop and the rolling pin.He also uses 2 1/2 cups of flour for eac
Hoochie [10]

Answer:

<u>3  batches of biscuits.</u>

Step-by-step explanation:

For one batch of biscuits, Mito uses 1/4 cup of flour to coat the countertop and the rolling pin.He also uses 2 1/2 cups of flour for each batch of biscuits he bakes

When he uses 7 3/4 cups of flour

Let the number of batches = x

convert the given data to decimal:

2 1/2 = 2.5   and   1/4 = 0.25    and  7 3/4 = 7.75

So, the equation representing the problem is:

2.5 x + 0.25 = 7.75

Solve for x

2.5x = 7.75 - 0.25 = 7.5

x=7.5/2.5 = 75/25 = 3

<u>So, the number of batches of biscuits = 3 batches.</u>

5 0
3 years ago
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