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Vesna [10]
3 years ago
6

What is the value of 4³ pls help for quiz 10 points

Mathematics
2 answers:
loris [4]3 years ago
8 0

Answer:

64

Step-by-step explanation:

Yakvenalex [24]3 years ago
3 0

Answer:

64

Step-by-step explanation:

four times four , three times

4*4*4 = 64

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Concesion tables contain ratios that can be used to convert units of length, weight, or capacity. You must multiply the
Aleonysh [2.5K]

Answer:

Step-by-step explanation:

yard; the ratio of feet to yards is

7 0
3 years ago
1. (a). A police car, approaching right-angled intersection from the north, is chasing a speedmg
tamaranim1 [39]

Answer:

<em>The SUV is running at 70 km/h</em>

Step-by-step explanation:

<u>Speed As Rate Of Change </u>

The speed can be understood as the rate of change of the distance in time. When the distance increases with time, the speed is positive and vice-versa. The instantaneous rate of change of the distance allows us to find the speed as a function of time.

This is the situation. A police car is 0.6 Km above the intersection and is approaching it at 60 km/h. Since the distance is decreasing, this speed is negative. On the other side, the SUV is 0.8 km east of intersection running from the police. The distance is increasing, so the speed should be positive. The distance traveled by the police car (y) and the distance traveled by the SUV (x) form a right triangle whose hypotenuse is the distance between them (d). We have:

d=\sqrt{x^2+y^2}

To find the instant speeds, we need to compute the derivative of d respect to the time (t). Since d,x, and y depend on time, we apply the chain rule as follows:

\displaystyle d\ '=\frac{x.x'+y.y'}{\sqrt{x^2+y^2}}

Where x' is the speed of the SUV and y' is the speed of the police car (y'=-60 km/h)

We'll compute  :

d=\sqrt{(0.8)^2+(0.6)^2}=\sqrt{0.64+0.36}

d=1\ km

We know d'=20 km/h, so we can solve for x' and find the speed of the SUV

\displaystyle \frac{x.x'+y.y'}{\sqrt{x^2+y^2}}=20

Thus we have

x.x'+y.y'=20

Solving for x'

\displaystyle x'=\frac{20-y.y'}{x}

Since y'=-60

\displaystyle x'=\frac{20+0.6(60)}{0.8}

x'=70\ km/h

The SUV is running at 70 km/h

7 0
3 years ago
There are 12 inches for every 1 foot. How many inches are equivalent to 4 feet? Louisiana Territory Map. The equivalent ratio is
Firdavs [7]

12*4=48.

4:48

4/4=1

48/4=12

1:12

-TheOneandOnly003


3 0
3 years ago
Pozele sunt atasate va rog urgeeeeent
Nookie1986 [14]

Answer:

it's not English, sorry I can't help.

3 0
3 years ago
Alicia is solving the equation 2.3 x minus 1.6 = 8.8 minus 2.9 x. Which equations represent possible ways to begin solving for x
bija089 [108]

Answer:

what are the options

Step-by-step explanation:

8 0
3 years ago
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