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
d1i1m1o1n [39]
2 years ago
12

2. Terrence is tracking his own grades. On his first quiz, he got 3 points correct out of 20

Mathematics
1 answer:
babunello [35]2 years ago
6 0

Answer:

a) 33

b) 50

c) 66%

Step-by-step explanation:

a) 3+30

b) 20+50

c) 33/50 * 100% = 66%

You might be interested in
Solve sint = cos2t, for –4π ≤ t ≤ –2π
e-lub [12.9K]

Answer:

-(23/6)π

-(19/6)π

-3π

Step-by-step explanation:

cos2t=cos^2t-sin^2t => cos^2t=1-sin^2t =>cos2t=1-2sin^2t

sint=1-2sin^2t, if x=sint, thenn we have 2x^2+x-1=0

Here x=0.5, x=-1, as x=sint => sint = -1 solutions for -4π to -2π is t=-3π,

sint = 0.5 solutions for -4π to -2π is t= -(23/6)*π, and t = -(19/6)*π

3 0
3 years ago
3. x + 4y = 30<br> x - 2y = 0
kolbaska11 [484]

Answer:

Step-by-step explanation:

Given that:

x + 4y = 30

x - 2y = 0

Subtracting both equations:

6y = 30

y = 30/6

y = 5

Putting in above equation

x + 4(5) = 30

x + 20 = 30

x = 10

i hope it will help you

5 0
3 years ago
Is circle Tangent lines
Sergio [31]

no because it is not a right angled triangle.

this means angle A is not 90° so AB cant be a tangent.

4 0
3 years ago
A) x2 when x = 5<br> b) y2 when y = -2<br> c) z2 when z = 0.5
Andrews [41]

Answer:

A) 25

B) 4

C) 0.25

Thank you and please rate me as brainliest as it will help me to level up

6 0
3 years ago
Read 2 more answers
Select all the pairs of equivalent expressions.
iren2701 [21]

Answer:

\huge\boxed{(3^4)^4=3^8\cdot3^8}\\\boxed{4^3\cdot5^3=20^3}\\\boxed{(4^3)^3=4^3\cdot4^3\cdo4^3}

Step-by-step explanation:

a^n\cdot a^n=a^{n+m}\\\\(a^n)^m=a^{n\cdot m}\\\\(a\cdot b)^n=a^n\cdot b^n\\=====================

(4^3)^3=4^{3\cdot3}=4^9\\4^3\cdot4^3=4^{3+3}=4^6\\\\4^9\neq4^6\to(4^3)^3\neq4^3\cdot4^3\\==================

(3^4)^4=3^{4\cdot4}=3^{16}\\3^8\cdot3^8=3^{8+8}=3^{16}\\\\(3^4)^4=3^8\cdot3^8\\================

6^4\cdot3^4=(6\cdot3)^4=18^4\\\\18^4\neq18^8\to6^4\cdot3^4\neq18^8\\=================

4^3\cdot5^3=(4\cdot5)^3=20^3\\\\4^3\cdot5^3=20^3\\=================

(4^3)^3=4^{3\cdot3}=4^9\\4^3\cdot4^3\cdot4^3=4^{3+3+3}=4^9\\\\(4^3)^3=4^3\cdot4^3\cdot4^3

3 0
3 years ago
Other questions:
  • How do you solve simultaneous equations
    7·1 answer
  • Select the three unit rates that can be used to describe the price of coffee. $2.10 per cup $6.00 per 16 ounces $8 per can $11 p
    15·2 answers
  • After 4 hours, a car wash fundraiser had raised $180. After 6 hours, the students had raised $280. Assuming a linear function, w
    14·2 answers
  • I will mark brainliest and 15 points for help!!!!
    12·1 answer
  • The volume of a gas in a container varies inversely with the pressure on the gas. A container of helium has a volume of 370in3 u
    14·1 answer
  • AB = 3 + x
    7·1 answer
  • GEOMETRY HELP PLEASE
    12·1 answer
  • Jeordie spreads out a rectangular blanket with an area of 42 square feet. Its width is 6 feet. Which equation could you use to f
    5·2 answers
  • In which of the following do you expect the correlation coefficient to be closest to 1?
    6·1 answer
  • Item
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!