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harina [27]
3 years ago
6

a 10-foot ladder leans against a wall with its foot braced 3 feet from wall's base. how far up the wall does the ladder reach? r

ound to the nearest hundreth
Mathematics
1 answer:
andrezito [222]3 years ago
8 0
Use pythagoras teorem

10^2 = 3^2 + x^2

x^2 = 100 - 9 = 91

x =  9.54 feet  to nearest hundredth
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Which of the following constants can be added to x2 + x to form a perfect square trinomial? a.1/9 b.4/9 c.4 1/9
xenn [34]
You can add 4/9. 

A simple trick is to look at the numerator and denominator separately, if they're both perfect squares then you're good (4, 2^2, check. 9, 3^2, check.)
8 0
3 years ago
Someone help me plz???
svetoff [14.1K]

Answer:

12ft

Step-by-step explanation:

Hope I helped!

May you give me brainliest if it is right?

8 0
3 years ago
The graph below represents which system of inequalities? graph of two infinite lines that intersect at a point. One line is soli
stiks02 [169]
The first line through points (-3, 0) and (-4, -1) is the orange line.

The second line, through (1, 1) and (2, -1) is the purple line.

Since they are both shaded below, the intersection of the shaded regions, is the region colored in blue.

Both lines are included, since they are solid lines.



The equation of the first line can be found as follows:

the slope is \frac{0-(-1)}{-3-(-4)}=\frac{1}{1}=1, thus, the equation is:
y-0=1(x-(-4))\\\\y=x+4


The equation of the second line can be found as follows:

the slope is \frac{1-(-1)}{1-2}= \frac{2}{-1}=-2, 

thus the equation of the second line is :


y-1=-2(x-1)\\\\y-1=-2x+2\\\\y=-2x+3


We have to decide on the direction of the inequality sign, so we pick a point, for example (0, 4) which is not in the colored regions of the lines, 

so we write the inequalities so that they do not hold for (0, 4)


line 1:

y≥x+4

4≥0+4=4 is true, so we change the sign and write : y≤x+4


similarly, line 2:

y≤-2x+3

4≤-2*0+3=3, which is not true, so we have the correct direction.


Note that since the lines were solid, we include the equality case:


Answer: 

the shaded region is the solution to the system of inequalities:

i) y≤x+4
ii) y≤-2x+3

3 0
3 years ago
Read 2 more answers
What is the product? <br><br><br> 4•(-9)•(-3)•(-1)
kolbaska11 [484]

Answer:

-108

Step-by-step explanation:

just multiply the numbers. it will be negative because there is odd number of negative sign so the profuct would be negative

4 0
3 years ago
HELP PLEASE!!!
boyakko [2]

Depends on if you want it rounded.

14.47

4 0
3 years ago
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