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Tems11 [23]
3 years ago
7

Need help ASAP PLEASEEE (+105) / (-7)

Mathematics
2 answers:
just olya [345]3 years ago
6 0

Answer:

-15

Step-by-step explanation:

Zielflug [23.3K]3 years ago
3 0

Answer:

the answer is 15 and 0 remainder

Step-by-step explanation:

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Help please :) I'd greatly appreciate it
azamat
= 4i (2i) <span>√6
= 8i^2 </span><span>√6 but i^2 = -1
= - 8</span><span>√6</span><span>

</span>
6 0
3 years ago
Water is leaking out of an inverted conical tank at a rate of 6800.0 cubic centimeters per min at the same time that water is be
m_a_m_a [10]

Answer:

6.82 mt^3/min

Step-by-step explanation:

By congruence of triangles, the radius r of the cone base when its height is 1 meter satisfies the relation

r/1 = 2.5/6

(See picture attached)

So, r = 0.4166 meters when the water is 1 meter high.

The volume of a cone with radius of the base = R is given by

V=\frac{\pi R^2h}{3}

So, the volume of water when it is 1 meter high is

V=\frac{\pi* 0.(4166)^2}{3}=0.1817\;mt^3

One minute later, the height of the water is 1 meter + 30 centimeters = 1.30 mt

The radius now satisfies

r/1.3 = 2.5/6

and now the radius of the base is

r = 0.5416 mt

and the new volume of water is 0.3071\;mt^3

So, the water is raising at a speed of

0.3071-0.1871 = 0.12 mt^3/min

This speed equals the difference between the water being pumped and the water leaking,

So,  

<em>0.12 = Speed of water being pumped -6.8  </em>

and

Speed of water being pumped = 6.8+0.12 = 6.82 mt^3/min

8 0
3 years ago
What is the weight of a glider with a mass of 5.7 grams? Hint: watch your units!
ohaa [14]

Answer:0.0057

Step-by-step explanation:

4 0
3 years ago
What is the value of the expression?
Lady bird [3.3K]

Answer:

690

Step-by-step explanation:

(323+1715)-(1135+213)

(2038)-(1348)

=690

5 0
3 years ago
Help me out please! Any unrelated answers will be reported, so don't try :)
timama [110]

Try doing A, 2/3 Hopefully it helps you, I'm not good with fractions.

8 0
3 years ago
Read 2 more answers
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