3 years ago

100 POINTS BRNLST! Solve the system of equations using the substitution method.

Mathematics

1 answer:

Komok [63]3 years ago

7 0

Answer:

y= 2x-1/2 is x=.5 y + .25

2x-3y=4 is x = 1.5y + 2

Step-by-step explanation:

pretty sure thats it

You might be interested in

It is less than 300. The ones digit is four times the hundreds digit. The tens digit is five more than the hundreds digit. The s

tester [92]

Answer:

Step-by-step explanation:

let the numbers at unit,ten and hundred place be x,y,z respectively,then number=100z+10y+x

also x=4z

y=z+5

and x+y+z=17

4z+z+5+z=17

6z=17-5=12

z=2

y=2+5=7

x=2×4=8

number=100×2+10×7+8=278

3 0

3 years ago

I am confused on this question.....please help!

asambeis [7]

Answer:

Todd.

Step-by-step explanation:

The equation has no solutions because negative 2 ≠ 4

3 0

3 years ago

An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining after 13 minutes, to the nearest

Mnenie [13.5K]

Basically, 27.7% of 970 is 268.69 grams, if 13 minutes so i’m pretty sure it’s 268.69 X 13 = 3492.97, it cannot be deduced from 970 unless it became −2522.97, is that the answer ur looking for?

6 0

2 years ago

Use the change of base formula to evaluate log5 44. Then convert log5 44 to a logarithm in base 2. Round to the nearest thousand

OverLord2011 [107]

Answer:

its 20

Step-by-step explanation:

count it

7 0

3 years ago

Read 2 more answers

Calculate the volume of the cylinder. Use button, not 3.14. Round answer to the tenth place.

Volgvan

Answer:

68.69 m^3

Step-by-step explanation:

Volume of cone = $\frac{1}{3}\pi r^{2}h$

= $\frac{1}{3}\pi (2.9^{2})(7.8)$

= $\frac{1}{3}\pi (65.6)\\$

= $\frac{1}{3}(206)$

$= 68.69 m^3$

7 0

2 years ago