3 years ago

Calculate the following:

Mathematics

1 answer:

miskamm [114]3 years ago

7 0

Answer:

bghj767yh6bbbbbbbbbn

Step-by-step explanation:

bgtgvcxcvb mjnhgtrfedxdcfvgbtgewr3234323rq

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if a man travels at an average speed of 122km per hour how far will he travel in 3 hours and 45 minutes

Mekhanik [1.2K]

Convert 3h and 45 min to hours so it will be 3.9 hours

Then say:
Distance = speed ✖️time
= 122 km/h ✖️3.9h
=475.80 km
He will travel 475.80 km

Hope this helps ;)

5 0

2 years ago

In a certain county, the number of charter schools is 6 less than twice the number of alternative schools. We know that there ar

motikmotik

2x-6=52 x= alternative schools
2x=58
x=29
There are 29 alternative schools in the county.

6 0

3 years ago

Read 2 more answers

Name the kind or kinds of symmetry the following figure has: point, line, plane, or none. (Select all that apply.)

Vedmedyk [2.9K]

Answer:

None

Step-by-step explanation:

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3 years ago

Halla 0,3% de 5000 porfavooorr ayudaaaaaa

RUDIKE [14]

Answer:

Step-by-step explanation:

0.3% of 5000

= (0.3/100) x 5000

= 0.3 x 50

= 15

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3 years ago

Determine the zeroes of 10x2−5=35

OLEGan [10]

Answer:

x = +2, x = -2

Step-by-step explanation:

The equation to solve in this problem is

$10x^2-5=35$

The first step we do is to subtract 35 on both sides of the equation, so we get:

$10x^2-5-35=0\\10x^2-40=0$

Now we simplify the equation by dividing both terms by 10:

$\frac{10x^2-40}{10}=0\\x^2-4=0$

Now we observe that the term on the left is the difference between two squares, so it can be rewritten using the property:

$a^2-b^2=(a+b)(a-b)$

Where here,

a = x

b = 2

So we can rewrite the equation as:

$x^2-4=0\\(x+2)(x-2)=0$

And this equation is zero when either one of the two factors is zero, so the two solutions are:

$x+2=0\rightarrow x=-2\\x-2=0 \rightarrow x=+2$

5 0

3 years ago