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OlgaM077 [116]
3 years ago
12

If you divide 60 liters into 10 parts, there will be 6 liters each. How many liters would there be if you had 7 of these groups?

Mathematics
1 answer:
never [62]3 years ago
5 0

Answer:

I'm pretty sure 70 liters

Step-by-step explanation:

because 60÷10=6

so 70÷10=7

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How many 30 are there in 600
strojnjashka [21]
The question that is asked is pretty straight forward. Only thing that needs to be found is the number of 30 in the number 600. By dividing 600 by 30 we can arrive at the desired result.
Number of 30 in 600 = 600/30
                                 = 60/3
                                 = 20
So there are 20 number of 30s in the number 600. This method can be used to find answers to several other similar kind of questions like the number of 10s in 1000.Following the same procedure we get
Number of 10 in 1000 = 1000/10
                                   = 100
5 0
3 years ago
Read 2 more answers
A bullet is fired straight up from a gun with initial velocity 1120 feet per second at an initial height of 8 feet. Use the form
Dafna1 [17]

Answer:

70 seconds

Step-by-step explanation:

Given that;

The initial velocity v_o of the bullet fired = 1120 ft/s

Initial height h = 8 feet

The expression to determine how many seconds it takes the bullet to hit the ground is:

h = -16t^2 +v_ot + 8

Thus;

Replacing the value of v_o =  1120 and h = 0 (i.e. when h =0) in the above expression; we have:

0= -16t^2 +(1120)t + 8

=  -16t^2 +(1120)t + (8-0)

= -16t² + 1120t + 8

mulitiply through by (-)

= 16t² -1120t - 8

Divide through by 8

= 2t² -  140t - 1

The above expression forms a quadratic equation.

where;

a = 2

b = -140

c = - 1

So, by using the quadratic formula \dfrac{-b \pm \sqrt{b^2-4ac}}{2a}, we have:

= \dfrac{-(-140) \pm \sqrt{(-140)^2-4(2)(-1)}}{2(2)}

= \dfrac{140 \pm \sqrt{19600-(-8)}}{4}

= \dfrac{140 \pm \sqrt{19608}}{4}

= \dfrac{140 \pm 140}{4}

=\dfrac{140+ 140}{4} \ \ \ OR \ \ \  \dfrac{140-140}{4}

=\dfrac{280}{4} \ \ \ OR \ \ \  0

= 70

Thus, the time (in seconds) it took the bullet to it the ground = 70 seconds

6 0
3 years ago
Functions
Illusion [34]
I’m not sure but maybe true
3 0
3 years ago
The area of the octagon is how many meters squared?<br> Show your work.
kykrilka [37]
It’s 18 have a amazing day?????? yeah hah spring break
7 0
3 years ago
What was Zane's unit rate, in words per minute, on each test?
AfilCa [17]

Answer:

Test A: 40 words per minute

Test B: 54 words per minute

Test C: 44 words per minute

<em><u>Test B has the highest unit rate</u></em>

Step-by-step explanation:

Test A divide 30 by \frac{3}{4} (30/0.75=40)

Test B divide 78 by 1\frac{1}{2} (78/1.5=52)

Test C divide 99 by 2\frac{1}{4} (99/2.25=44)

<u>Hope this helps :-)</u>

<u />-noorati<u />

4 0
3 years ago
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