3 years ago

HELP ASAP how many solutions does the system of equations have? y=-2x+9 6x+3y+27

Mathematics

1 answer:

pav-90 [236]3 years ago

3 0

I believe the answer to your question is two

You might be interested in

The roof of a new sports arena rests on round concrete pillars. The maximum load a cylindrical column of a circular cross sectio

KATRIN_1 [288]

Answer: There are 3.5 metric tons will be supported by a column 8 m high and two thirds m in diameter.

Step-by-step explanation:

Since we have given that

Height of columns of arena = 9 m

Diameter = 1 m

Load = 14 metric tons

Since Load is directly varies as the fourth power of the diameter 'd', and inversely as the square of the height.

so, Mathematically, it is expressed as

$L=\dfrac{kd^4}{h^2}\\\\14=\dfrac{1.k}{9^2}\\\\14\times 81=k\\\\k=1134$

If the height of columns = 8 m

Diameter = $\dfrac{2}{3}\ m$

So, Load would be

$L=\dfrac{1134\times (\dfrac{2}{3})^4}{8^2}\\\\L=3.5\ tons$

Hence, there are 3.5 metric tons will be supported by a column 8 m high and two thirds m in diameter.

7 0

3 years ago

jenna Lynda 4 3/10 from school. she estimates that she travels 40 miles each week. is her estimates an overestimate our an under

Vinvika [58]

Overestimate because 4 3/10 x 7 = 30 1/10 miles

6 0

3 years ago

The radius of a circle is 11 millimeters find the diameter

xz_007 [3.2K]

Answer: 22

Step-by-step explanation: the diameter is twice radius so you multiply 11 x 2 giving you 22 as your answer

5 0

3 years ago

Read 2 more answers

Help again....<br><br> 10 points btw

rewona [7]

I'm pretty sure it's the second and third one!

3 0

4 years ago

Read 2 more answers

What is tan A? 3/4, 4/3, 3/5, or 4,5?

seropon [69]

Answer:

4/5 if i did my math right

Step-by-step explanation:

4 0

3 years ago