1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Yakvenalex [24]
3 years ago
12

Find the mistake that was made here: (x4)5 = x9

Mathematics
2 answers:
Usimov [2.4K]3 years ago
6 0
Added instead of distributing or multiplying
dmitriy555 [2]3 years ago
5 0

Answer:

x20

Step-by-step explanation:

5x4=20

You might be interested in
X^2-18x-6. complete the square ​
vlabodo [156]

Answer:

(x-9)^2-87

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Solve exponents please help just this one u get 10 points
STALIN [3.7K]
I think it's equal to 1 because every expression with the exponent of zero is equal to 1, idk for sure though
8 0
3 years ago
Calculate how long it would take an investment to triple if the interest rate is 10% compounded annually
nekit [7.7K]
3=(1.10)^t
Log(3)=t*log(1.10)
t=log(3)÷log(1.10)
t=11.5 years
5 0
3 years ago
Two different formulas of an oxygenated motor fuel are being tested to study their road octane numbers. The variance of road oct
wolverine [178]

Answer:

Step-by-step explanation:

a)

zo=(89.0-92.2)/sqrt((1.5/15)+(1.2/20))

zo=-8.00

p-value=0.0000

Reject the null hypothesis.

b)

95% confidence interval for difference

=(89-92.2)+/-1.96*sqrt((1.5/15)+(1.2/20))

=-3.2+/-0.78

=(-3.98, -2.42)

4 0
3 years ago
Demons answer this for me.
denis-greek [22]

Answer:

Step-by-step explanation:

if you have negative numbers of x (this means negative meters) then the equation transform them into negative yards.

then replace y by 40yd in the equation like

40 = 1.09x

x = 40/1.09 = 36.7 meters

so in a 40yd race, there are 36.7 meters.

4 0
3 years ago
Other questions:
  • The figure shown is a rectangle. The green shape in the figure is a square. The blue and white shapes are rectangles, and the ar
    8·2 answers
  • Cayce scored 68 out of 80 on her last math quiz. what was her grade as a percent
    11·2 answers
  • Find cotx if sinx cotx cscx = sqrt2
    15·1 answer
  • What is the answer for this question
    8·2 answers
  • I need help please!!! 30 points
    9·1 answer
  • What is the product of the two binomials below?(4A + 5B)(4A - 5B)
    13·2 answers
  • Alex can climb 8 feet in 30 seconds and can run 112 feet in 20 seconds. When you combine his climbing and running, how many inch
    8·2 answers
  • The tape diagram models the lengths of two snowboarding trails. The expert trail is 1200 meters long. How long is he beginner tr
    6·1 answer
  • 1/2m=-9 please explain/show work
    11·1 answer
  • The circumference of the smaller circle is 30% of the circumference of the larger circle. Find the circumference of the larger c
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!