Resources
Testimonials
Plans
Sign in
Sign up
Resources
Testimonials
Plans
Home
Math Problems
Grade 8
Write and solve equations that represent diagrams
p
(
t
)
=
100
(
1
2
)
t
2.0373
p(t)=100\left(\frac{1}{2}\right)^{\frac{t}{2.0373}}
p
(
t
)
=
100
(
2
1
)
2.0373
t
\newline
Radioactive isotopes are unstable atoms that decay into other atoms. Oxygen
−
15
-15
−
15
is a radioactive isotope. The function models
p
p
p
, the percentage of oxygen-
15
15
15
atoms remaining in a sample after
t
t
t
minutes. Which of the following statements is the best interpretation of the ordered pair
(
4.0746
,
25
)
?
(4.0746,25) ?
(
4.0746
,
25
)?
Get tutor help
JACENT ANGLES TO WRITE AND SOVE EOURTIOME
\newline
11
11
11
.
\newline
equation:
\newline
q
q
u
a
d
qquad
qq
u
a
d
equatio
\newline
x
x
x
:
\newline
q
q
u
a
d
qquad
qq
u
a
d
angle measures:
\newline
q
q
u
a
d
qquad
qq
u
a
d
\newline
TRIANGLES.
Get tutor help
Create the equation for each word problem.
\newline
1
1
1
) A school is planning a sports banquet for its athletes. A catering company charges
$
50
\$ 50
$50
plus
$
\$
$
person.
\newline
Equation:
\qquad
Get tutor help
Figure
1.30
1.30
1.30
shows tracks of three charged particles in a uniom electrostatic field. Give the signs of the three charges. Which particle has the highest charge to mass ratio?
Get tutor help
1
1
1
.
13
13
13
Figure
1
1
1
.
30
30
30
shows tracks of three charged particles in a uniform electrostatic field. Give the signs of the three charges. Which particle has the highest charge to mass ratio?
Get tutor help
Write an exponential function in the form
y
=
a
b
x
y=a b^{x}
y
=
a
b
x
that goes through the points
(
0
,
16
)
(0,16)
(
0
,
16
)
and
(
9
,
8192
)
(9,8192)
(
9
,
8192
)
.
\newline
Answer:
Get tutor help
