3 years ago

I need help and thanks

1 answer:

8 0

(20/4)×7
280÷(7+3)×7
175÷8=21.875(round off to 22 as no.of chairs cannot have decimal place)

You might be interested in

storchak [24]

Answer:

51.575

Step-by-step explanation:

$s = \frac{9 + 12 + 17}{2} = 19$

$area = \sqrt{19(19 - 17)(19 - 9)(19 - 12)} \\ = 51.575$

6 0

4 years ago

IgorC [24]

Answer:

$35.56

Step-by-step explanation:

I think.....

;-;

3 0

2 years ago

KatRina [158]

Answer:

The pilot above at 1000m above ground and pilot below 742.23 metres above ground

Step-by-step explanation:

Imagine everything as triangles. Mark where the boy stands and the 2 jets are in the air

6 0

3 years ago

konstantin123 [22]

The functions have the same initial value. The table goes up by 10 per person so at 0, it would be 35 and on the graph, it is 35 at 0

3 0

4 years ago

Nadusha1986 [10]

3 times a # (# isn't specified, so you should use a variable): 3x
result is 5: =5
Put it all together: 3x=5

6 0

3 years ago