MATHEMATICS MIDDLE SCHOOL

A room 9m * 7.5m is covered with tiles. Size of each tile is 25cm by 20cm. Find the cost of tiles at the rate of Rs. 45 per tile.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

9mx7.5m=67.5m

25cmx20cm=500cm=0.5m

67.5÷0.5=135

45×135=Rs.6075

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3 divided into 99 equals what
Elliot and kay both bought the same lunch box for $6. Elliot lives in Oklahoma and pays 4.5% in sales tax, while Katy lives in South Carolina and pays 6% in sales tax. how much more did Katy pay in sales tax than Elliot a.$0.09 b.$0.27 c.$0.63d.$0.36
6/7 and 18/21 are the ratios equivalent.
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Find the GCF of 44j5k4 and 121j2k6.

Answers

How? I really would like to know

Answer:

The GCF is $11j^(2) k^(4)$

Step-by-step explanation: I did the assignment on edge.

What is the factored form of the polynomial?
x2 − 12x + 27?

Answers

Answer:

(x-9)(x-3) which is the same as (x-3)(x-9)

Step-by-step explanation:

Think of ways to factor the last number 27. One way is 1*27 = 27. Another way is 3*9 = 27 and so on. Now think to yourself "which factor of 27 add to -12?". You'll need to consider negative factors. It turns out that

-3 plus -9 = -12

-3 times -9 = 27

Therefore the two values we care about are -9 and -3. So x^2-12+27 factors to (x-3)(x-9). The order of the factors does not matter. So we can write the answer as (x-9)(x-3) just fine.

sela put 6 times as many coins now as she had 4 months ago. if sela has 240 coins now, how many did she have 4 months ago

Answers

Sela had 40 coins 4 months ago because 240 divided by six is 40.

she put 24 coins 4 months ago because 6 times 4 is 24.

Write the doubles plus one fact for 7+7.

Answers

The doubles plus one are the facts in which one addend is larger than the other by one. the Examples 7+7=14. Learning your doubles plus one should involve knowing a doubles and mentally adding the additional one.
hope i helped !!!!!!!!!!

Which one is bigger 1/2,2/4 or3/4