2 years ago

Write the greatest and smallest four digit number by using 7,8,0,9 digit

Mathematics

1 answer:

natulia [17]2 years ago

7 0

0789 is the smallest
9870 is the largest

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The diameter of a circle is 2 centimeters. What is the circle's circumference?

leonid [27]

C=6.28cm
because C=2pi•r
so in this case C=2•3.14•1
which is C=2•3.14
and that leads to C=6.28cm

hope this helped

4 0

3 years ago

A projectile is launched into the air. The function h(t) = –16t2 + 32t + 128 gives the height, h, in feet, of the projectile t s

Zinaida [17]

Answer:

t = 4 seconds

Step-by-step explanation:

The height of the projectile after it is launched is given by the function :

$h(t)=-16t^2+32t+128$

t is time in seconds

We need to find after how many seconds will the projectile land back on the ground. When it land, h(t)=0

So,

$-16t^2+32t+128=0$

The above is a quadratic equation. It can be solved by the formula as follows :

$t=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}$

Here, a = -16, b = 32 and c = 128

$t=\dfrac{-32\pm \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=\dfrac{-32+ \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}, \dfrac{-32\- \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=-2\ s\ \text{and}\ 4\ s$

Neglecting negative value, the projectile will land after 4 seconds.

4 0

3 years ago

A restaurant has 75% of its tables being used. Which ratio compares the used tables with all the tables in the restaurant?

Bogdan [553]

75%=75/100=75:100=3/4

4-3=1

1/4=tables not used.

1/4=25/100=25:100

So....25:75 = not used tables : used tables

Hoped I helped!

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2 years ago

Read 2 more answers

Which number sentence below is not correct?

Mama L [17]

17.154 < 17.15 is incorrect.
17.15 is 17.150 which is less than 17.154 not greater than.

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3 years ago

PLEASE HELP ASAP!!!!!!! Why is it possible that globalization will have a negative effect on Africa's economy?

Ratling [72]

Answer:

This is your answer ☺️☺️☺️

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2 years ago

Write the greatest and smallest four digit number by using 7,8,0,9 digit​

Write the greatest and smallest four digit number by using 7,8,0,9 digit