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4 years ago

What factor is paired with 5 to give 45?

Mathematics

1 answer:

Charra [1.4K]4 years ago

8 0

$45|5 \\ 9 \ |3 \\ 3 \ |3 \\ 1 \\\\ 45=3^2*5 \\\\ \boxed{45=\boxed{\boxed{9}}*5}$

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3 years ago

1 meter of ribbon costs $3<br> how much do you pay for 2 3/4 <br> If correct I will brainest u

defon

Answer:

You pay $8 $\frac{1}{4}$ for 2 $\frac{3}{4}$ meters of ribbon

Step-by-step explanation:

Let us solve the question

∵ 1 meter of ribbon costs $3

∵ We need to find the cost of 2 $\frac{3}{4}$ meters

→ Separate the length of the ribbon to a whole number and a fraction

∵ The length of the ribbon = 2 m + $\frac{3}{4}$ m

→ Multiply each part by the cost of 1 meter

∵ The cost of 1 meter = 3 dollars

∴ The cost of the ribbon = 3 × 2 + 3 × $\frac{3}{4}$

∴ The cost of the ribbon = 6 + $\frac{9}{4}$ dollars

→ Change the improper fraction $\frac{9}{4}$ to a mixed number

∵ 9 ÷ 4 = 2 $\frac{1}{4}$

∴ The cost of the ribbon = 6 + 2 + $\frac{1}{4}$

∴ The cost of the ribbon = 8 + $\frac{1}{4}$

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3 years ago

Evaluate the expression x5/x2 for x =2

My name is Ann [436]

Answer:

2.5

Step-by-step explanation:

(2)(5)/(2)(2)

10/4

= 2.5

8 0

3 years ago

Read 2 more answers