Answer:
<Ber=<kem(vertically opposite angle)
9x-17=3x+31
9x-3x=31+17
6x=48
x=48/6=8
<kem=3×8+31=55°is answer
Answer:
Divide the 7.5 by 3 to see how much bigger the ratio has to be.
7.5 / 3 = 2.5 so the ratio is 2.5 times bigger
multiply 5 by 2.5 to make the ratio equal and find the answer
5 x 2.5 = 12.5
It was 12.5 long and became 7.5 long
hope this helps. If you have any questions you may ask.
Step-by-step explanation:
Answer:
Step-by-step explanation:
It depends on whether you mean ln(1/49k) or ln(1/(49k)).
/ 357 + 71= 427 you’ve got to add it to get the sum of the numbers together
X=number of boys
y=number of girls.
We can suggest the following system of equations:
x+y=33
x/y=3/8
We solve this system of equations by substitution method.
x/y=3/8 ⇒x=3y/8
(3y/8)+y=33
least common multiple=8
3y+8y=33*8
11y=33*8
y=(33*8)/11
y=3*8
y=24
x+y=33
x+24=33
x=33-24
x=9
number of boys /total number of students=9/33=3/11
There are 9 boys and 24 girls in the class.
Answer: C: 9. since 3/11 of the students are boys.
