2 years ago

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Mathematics

1 answer:

Bezzdna [24]2 years ago

3 0

Answer:

Hello

Step-by-step explanation:

2+2=22 facts lol

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jordan go's to the bank every 7 days and then Clare go's to the bank every day will bolth go to the bank

RUDIKE [14]

Answer:

on the seventh day

Step-by-step explanation:

hope this helps

8 0

2 years ago

the area of a square whose sides have length x cm is increasing at the rate of 12cm²/s. how fast is the length of a side increas

katovenus [111]

Answer:

0.67 cm/s

Step-by-step explanation:

The area of a square is given by :

$A=x^2$ ....(1)

Where

x is the side of a square

$\dfrac{dA}{dt}=12\ cm^2/s$

Differentiating equation (1) wrt t.

$\dfrac{dA}{dt}=2x\times \dfrac{dx}{dt}$

When A = 81cm², the side of the square, x = 9 cm

Put all the values,

$12=2\times 9\times \dfrac{dx}{dt}\\\\\dfrac{dx}{dt}=\dfrac{2}{3}\\\\\dfrac{dx}{dt}=0.67\ cm/s$

So, the length of the side of a square is changing at the rate of 0.67 cm/s.

4 0

2 years ago

a museum has a collection of 75 sculptures. of those sculptures 15 are from greece what percent of the sculptures are from greec

zaharov [31]

Answer:

6.67% is as close as you can get

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What number is missing from the table of equivalent ratios

denpristay [2]

8 is missing for the table

8 0

1 year ago

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Mr. O'Connor had $90 to spend at a football game. He spent 31/45 on his ticket. Then, he spent 3/7 of his remaining money at the

Kobotan [32]

He has $90 in total to spend

He spent (31/45) of this money on ticket

so money spent on ticket =(31/45) *90 =2790/45 =62

Now money left with him is 90-62 =28 $

Now it says that he spent (3/7) of this remaining money at concession stand

so money spent on concession stand =(3/7)*28 =84/7 =12

Now money left with him = 28-12 =16

So money left with him is $16 but hat costs for $18

So Mr. O'Connor didnt have enough moeny to buy the hat

4 0

2 years ago