3 years ago

1 3/4 * 2 1/2 pleas help

Mathematics

2 answers:

Mademuasel [1]3 years ago

6 0

Check photo for steps and details. if you think my answer is helpful please drop a like and mark me as brainliest!

Nastasia [14]3 years ago

3 0

Answer:

35/8 if its simple multiple then

Step-by-step explanation:

7/4*5/2

35/8

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I need some help please

Ganezh [65]

SOH CAH TOA tells you
Cos(x) = Adjacent/Hypotenuse
so you can find
x = arccos(24/28)
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3 years ago

If a varies directly as the cube root of B and if a equals to 3 when B equals to 64 find the formula connecting the variables he

Brrunno [24]

Answer:

a=k1 $\sqrt[3]{B}$

B=125

Step-by-step explanation:

Given :

a=3

B=64

According to question

a ∝ $\sqrt[3]{B}$

therefore

a=k1 $\sqrt[3]{B}$ ........Eq(1)

K1= $\frac{a}{\sqrt[3]{B} }$ ......Eq(2)

Putting the value of a and B we get in Eq(2) we get

$K1=\frac{3}{4}$

Putting the value of k1 in Eq(1)

$a=\frac{3}{4}\sqrt{B}$ .......................Eq(3)

putting the value of a=15/4 IN Eq(3) we get

$\frac{15}{4}\ =\frac{3}{4} \sqrt[3]{B} \\\\\sqrt[3]{B}\ =\ 5\\Cubing\ both\ side\ we\ get\\B=125$

5 0

3 years ago

In Section 1.3 we saw that the autonomous differential equation m dv dt = mg − kv, where k is a positive constant and g is the a

Thepotemich [5.8K]

Answer:

$\lim_{t \to \infty} v = \frac{mg}{k}$

Step-by-step explanation:

Firstly its necessary to put the autonomous DE in its normal form to get

$\frac{dv}{dt} = g - \frac{kv}{m}$

To get the critical point we solve

g - $\frac{kv}{m} = 0$

$\frac{kv}{m} = g--> v = \frac{mg}{k}$

The critical point is $v = \frac{mg}{k}$

$\frac{dv}{dt} > 0 for v < \frac{mg}{k}$

and

$\frac{dv}{dt} < 0 for v > \frac{mg}{k}$

from the phase portrait we observe that the critical point

v = $\frac{mg}{k}$ is stable

$\lim_{t \to \infty} v = \frac{mg}{k}$

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3 years ago

1/5 divide by 1 3/4

Jet001 [13]

Answer:

4/35

Step-by-step explanation:

1/5*4/7=4/35

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2 years ago

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A ball was thrown upward and its height is modeled by the function h(t) = -4.9t^2 + 58.8t + 98, where h is the height of the bal

mr Goodwill [35]

The answer is 15 meters

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3 years ago

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