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IgorLugansk [536]
3 years ago
14

For what values of m does the graph of y = mx?- 5x-2 have no5x - 2 have no x-intercepts?​

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

m<-25/

Step-by-step explanation:

Rasek [7]3 years ago
6 0

Answer:

no

Step-by-step explanation:

It does.

5x-2=0

5x=2

x=2/5

(2/5, 0)

is an x-intercept

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A 50 loot ladder is leaning against a building. If the base of the ladder is 35 feet from the base of the building, how far up t
Hatshy [7]

Answer:

The ladder is 35.71 feet up the building

Step-by-step explanation:

Here, we want to calculate how far up the building is the ladder placed

We should picture a right angled triangle with hypotenuse 50 and one of the other sides as 35

To find the height in this case, we proceed to use Pythagoras’ theorem which states that the square of the hypotenuse equals the sum of the squares of the two other sides

In this case, let the height be

50^2 = 35^2 + h^2

h^2 = 50^2-35^2

h^2 = (50+35)(50-35)

h^2 = (85)(15)

h^2 = 1275

h = square root of 1275

h = 35.71 ft

3 0
3 years ago
Which describes the transformation shown please help
sergiy2304 [10]
90° clockwise, I think
5 0
3 years ago
From a square piece of cardboard paper of area size 9 m2 , squares of the same size are cut off from each corner of the paper. T
levacccp [35]

Answer:

Max vol = 2 cubic metres

Step-by-step explanation:

Given that from a square piece of cardboard paper of area size 9 m2 , squares of the same size are cut off from each corner of the paper.

Side of the square = 3m

If squares are to be cut from the corners of the cardboard we have the dimensions of the box as

3-2x, 3-2x and x.

Hence x can never be greater than or equal to 1.5

V(x) = Volume = V(x) = x(3-2x)^2\\= 9x+4x^3-12x^2

We use derivative test to find the maxima

V'(x) = 9+12x^2-24x\\V"(x) = 24x-24\\

Equate I derivative to 0

9+12x^2-24x=0\\x=1/2,3/2

If x= 3/2 box will have 0 volume

So this is ignored

V"(1/2) <0

So maximum when x =1/2

Maximum volume

=9(1/2)+4(1/2)^3-12(1/2)^2\\=2 cubic metres

6 0
3 years ago
Help with this question please thank you so much
muminat
-6/5,-236/5 would be the minimum
8 0
3 years ago
What is the square root of 25<br><br>a.4<br>b.21<br>c.10<br>d.1​
photoshop1234 [79]

the square root of 25 is 5

5x5=25

5 0
3 years ago
Read 2 more answers
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