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kakasveta [241]

3 years ago

5

N-7=-16%8%9 don't get ittt

1 answer:

VLD [36.1K]3 years ago

6 0

N=6.8848 is yours .-.

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Factor each expression.<br> 4x² +25

snow_tiger [21]

Answer:

-5,5

Step-by-step explanation:

(2x+5)( 2x-5) x-5=0 x+5=0 I think that's what you do not sure

5 0

2 years ago

A car wheel has a radius of 16 inches. Through what angle ( to the nearest tenth of a degree ) does the wheel turn when the car

olya-2409 [2.1K]

First of all, let's convert all the measures to the same unit: 4 feet are 48 inches.

Now, as the wheel turns, there is a proportion between the angle and the distance travelled: for example, when the car moves forward a whole circumference, the angle will be 360°. Conversely, if the wheel turns 180°, then the car will move forward a distance which is half the circumference of the wheel, and so on.

Since the radius is 16 inches, the circumference will be

$C=2\pi r = 32\pi$

So, we have the following proportion:

$360\div 32\pi = x \div 48$

that you can read as: "if an angle of 360 corresponds to a distance travelled of $32\pi$ , then the unknown angle x corresponds to a distance travelled of 48 inches.

Solving for x, we have

$x = \dfrac{360\cdot 48}{32\pi} = \dfrac{17280}{32\pi} = 171.887338539\ldots \approx 171.9$

5 0

3 years ago

How to convert ounces into pounds?

Vesna [10]

Hello! Its really simple 16 ounces equal 1 pound!

8 0

3 years ago

Read 2 more answers

Sphere B is the image of sphere A after dilation by a scale factor of 44. If the surface area of sphere B is 432 km^2, find the

Sergeeva-Olga [200]

<h2>Answer:</h2>

27 km²

<h2>Step-by-step explanation:</h2>

$SA=4\pi Jr^2$

$4\pi r^2_B=432$

$r^2_B=\frac{108}{\pi}$

$r_B=\frac{6\sqrt3}{\sqrt{50}}$

$r_A=\frac{r_B}{4}=\frac{3\sqrt3}{2\sqrt\pi}$

$S_0SA=4\pi Y\begin{matrix}2\\A\\\end{matrix}$

$=4\pi\bullet\frac{27}{4\pi}$

$=27\ km$

$Y_B:Y_A=4=1$

$SA_B:SA_A=16:1$

$432\div 16=27\ km^2$

$simple\ relation.$

<em>I hope this helps you</em>

<em>:)</em>

7 0

2 years ago

Can you help? Find the distance between A(8,3) and B(9,0) to the nearest hundredth.

frez [133]

Answer:

3.16

Step-by-step explanation:

distance = $\sqrt{(8-9)^{2} +(3-0)^{2} }$

= $\sqrt{1^{2} +3^{2} }$

= $\sqrt{1+9}$

= $\sqrt{10}$

=3.16

8 0

3 years ago