Answer:
x =90
Step-by-step explanation:
Cot 1/2x-1=0
Add 1 to both sides
Cot 1/2x = 0+1
Cot 1/2x = 1
1/tan1/2x = 1
Tan 1/2x = 1
1/2x = arctan1
1/2x =45
x = 45×2
x = 90
Hence the value of x is 90
A group of students are studying two models of solids, liquids, and gases. The students have been given an ice cube that has been dyed blue, and the students are to carefully place the ice cube in a container of room temperature water Which is the appropriate question to ask prior to the experiment?
Answer:
figure b
Step-by-step explanation:
cuz yez
factor the trinomial
2x^2+10x+8
Answer:
x^2 + 5x + 4
Step-by-step explanation:
divide everything by 2
Answer:
2(x+4)(x+1)
Step-by-step explanation:
2x^2+10x+8
1. Take out the greatest common factor. Divide by 2
2(x^2+5x+4)
3. Replace 5x with 1x+4x
2(x^2+1x+4x+4)
4. Spilt the equation in half and factor.
2(x^2+1x) = 2(x(x+1) and 4x+4 = 4(x+1)
5. Combine the new terms
2(x+4)(x+1)
The solution of 2x-4=20 is
Answer:
12
Step-by-step explanation:
2*12-4=20
Answer:
x = 12
Step-by-step explanation:
2x - 4 = 20
2x = 20 + 4
2x = 24
x = 24/2
x = 12
928 plates in 116 stacks how many per plate ?
Answer:
8 plates per stack
Step-by-step explanation:
Answer:
8 plates per stack
Step-by-step explanation:
if wrong I am so sorry
F is directly proportional to a.
If F = 28 when a = 7 find,
F when a = 10
Answer:
Step-by-step explanation:
a=10
Step-by-step explanation:
The question can be interpreted as
F∝a
If we introduce proportionality constant k, we have
F= k.a
28= k. 7
k= 28/7
k= 4
Then the equation can be written as
F= 4.a
To find, a when F = 40?
F= 4.a
40=4 × a
a= 40/4
a= 10
Answer:
F = 40
Step-by-step explanation:
Given F is directly proportional to a then the equation relating them is
F = ka ← k is the constant of proportion
To find k use the condition F = 28 when a = 7 , then
28 = 7k ( divide both sides by 7 )
4 = k
F = 4a ← equation of proportion
When a = 10, then
F = 4 × 10 = 40
An area rug has the dimensions of 4 feet x 8 feet. How many square inches is that?
Answer:
Step-by-step explanation:
This is because 4 ft x 8 ft = 24 feet
24 feet times 12 (this is because there 12 inches in a foot)
288 inches
Laura goes to a Mexican restaurant for lunch she's planning to order either a chicken or beef dish if there are a choices for chicken and 12 choice es for beef how many options does Laura have to choose from
A. 4
B. 8
C. 12
D. 20
Sam has 31 quarters and dimes. The value is $6.85
. How many dimes are there ?
Find the equation of the line that passes through the points (1, 6) and (2, 8).
By substitution in this equation, show that (3, 10) also lies on this line.
Answer:
y = 2x + 4
Step-by-step explanation:
y2 - y1/ x2- x1
= 8 - 6 / 2 - 1
= 2
So now our equation is y = 2x + b (from y = mx+b). Now plug in the coordinates to find the y-intercept.
y = 2x + b
8 = 2(2) + b
8 = 4 + b
4 = b
The y-intercept is 4.
If we put one of the values like the x in the equation, we should get the y value.
y = 2x + 4
y = 2 (3) + 4
y = 6 + 4
y = 10
(3,10)
Plssss help
Write the equation in slope intercept form:
3x + 6y = 18
Answer:
Step-by-step explanation:
i dont really know what u were asking but the slope is Slope = 1/2.
PLZZZZ HELPPPPP BRAINLIEST REWARDD
Answer:
1) Growth
2) y = 3
Explanation:
1) y = a*b^x
y = 3 + 2^x
2 > 1, so it's growth
Question 5. What is the value of E? How do you know?
Answer:
74 degrees because E is alternate interior angles with the other 74 degrees angle.
Step-by-step explanation:
PLEASE HELP! DUE TONIGHT
Solve x + 3 = - 10
A.x = -13
B. x = 13
C. x= 7
D. x = - 7
Answer:
The answer is A. x= -13
Step-by-step explanation:
The way that you solve it is change the positive 3 to negative and adding the negative 3 to negative 10.
An athlete weighs p pounds before starting a new training program. If the expression 1.15p represent the athletes weight at the end of the program, which expression also represents the athletes weight at the end of the program?
Answer:
1+0.15
Step-by-step explanation:
Answer:
Step-by-step explanation:
1+0.15p
1)
The graph below shows how the velocity of a lift varies during a 40 second period.
0.4+-
Velocity
(ms)
07
16
24
40 Time (s)
-0.6+
(a)
Find the distance travelled by the lift in the first 16 seconds of the motion.
[2 marks]
(b)
Find the total distance travelled by the lift in the 40 second period.
[3 marks]
(c)
Find the average velocity of the lift during the 40 second period.
[3 marks]
Answer:
Lead-the-market pay strategies. An employer may choose to establish an internal compensation strategy that is in excess of the pay rates in the prevailing marketplace. This compensation strategy may increase the supply of candidates, increase selection rates of qualified acpplicants, decrease employee turnover, increase morale and productivity, or prevent unionization efforts. However, prior to implementing a lead compensation strategy, an organization should carefully consider what benefits it expects to realize from such a strategy, keeping in mind that this type of structure has the greatest propensity of increasing overall labor costs.
Step-by-step explanation:
-5(-2x + 5) - 5 < - 6 - 4x
What's the answer, with the explanation.
Answer:
x <12/7
Step-by-step explanation:
10x-25-5<-6-4x
10x-30<-6-4x
10x+4x<-6+30
14x<24
answer- x< 12/7
Answer:
x<12/7
Step-by-step explanation:
hope that helps
eight values have a mean of 7. a ninth value is added. the new mean is 9. what is the new value
Answer:
25 because the 8 values must times with 7 and will get 56. when the ninth value added , let the ninth value as y , 56+y , the new mean is 9 . so it will be like this , 56+y over 9 times with 9
Ben bought a new computer for $1200. Each yedt, the value of the computer decreases
by 30% of the previous year's value. At this rate, what can Ben expect the approximate
value of the computer to be after 6 years?
$130
$360
$0.88
$141
Answer:
$141
Step-by-step explanation:
1200-(1200*30/100 )
and i did that six time each tume with the new numbers i got
I WILL GIVE BRAINLIST NEED HELP ASAP
Jeff stacked 4 identical
solid blocks, each with the dimensions shown below.
What is the volume of the stack of blocks Jeff made?
A
72 cubic inches
B
120 cubic inches
C
288 cubic inches
Answer:
288 Inches^3
Step-by-step explanation:
1 Box:-
V=L*W*H, V=6*4*3, V=72 inches^3
4 Box:-
1 Box=72, 72*4=288 inches^3
*I am not 100% sure if this is accurate or not.*
Answer:
The answer is C witch is 288 cubic inches
Step-by-step explanation:
if you muliply all the sides times 4 you would get 288
3x6x4x4=288
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answer:
7 seconds
Step-by-step explanation:
Hello There!
I had created a graph to make it easier to understand
So when y = 0 is when the ball is at the ground
when y = 0 x = 7 so it took about 7 seconds for the ball to hit the ground
Answer:
7
Step-by-step explanation:
The sales tax in your city is 4.4% and an item costs $3 before tax. How much tax would you pay on that item. (round to nearest hundredth or cent.)
Answer: 0.13
3 times 0.044 =0.13
Step-by-step explanation:
find the value of 3x+2 when x=5
Answer:
17
Step-by-step explanation:
Need help quick Picture provided
Answer:
I think 22.5
Step-by-step explanation:
okay so we know that lines bc and pf equal eachother
18/8 = 2.25 this is the scale factor
10 times 2.25 is. 22.5
I think it would be 22.5
Someone :) is there anyone know what is the answer?
Answer:
answers are below
Step-by-step explanation:
a. -6 ≤ 3x < 15
steps in order to solve:
-6 ≤ 3x
= -6/3 ≤ 3x/3
= -2 ≤ x
3x < 15
= 3x/3 < 15/3
= x < 5
=> -2 ≤ x < 5
b. -3 < 2x - 1 < 7
steps in order to solve:
-3 < 2x - 1
= 1 - 3 < 2x - 1 + 1
= -2 < 2x
= -2/2 < 2x / 2
= -1 < x
2x - 1 < 7
= 2x - 1 + 1 < 7 + 1
= 2x < 8
= 2x/2 < 8/2
= x < 4
=> -1 < x < 4
c. 7 < -3n + 1 ≤ 13
steps in order to solve:
7 < -3n + 1
= -1 +7 < -3n + 1 - 1
= 6 < -3n
= 6/-3 < -3n/-3
= -2 > n
-3n + 1 ≤ 13
= -3n + 1 - 1 ≤ 13 -1
= -3n < 12
= -3n/-3 < 12/-3
= n > -4
=> -4 < n < -2
graphs are below.
hope this helps and is right :)
You are flying a drone at a height of twelve yards. It has traveled a horizontal distance of twenty-
eight yards. What is the angle of depression from the drone's current location down to its starting
point? Round your answer to the nearest tenth of a degree. Do not include units in your answer.
Answer:
8.25
Step-by-step explanation:
PLEASE ANSWER!!!!! WILL GIVE POINTS!!
Fill out the chart representing the trig values of quadrant 1 of the unit circle (picture included)
What is the image of (12, 4) after a dilation by a scale factor of 1
centered at the origin?
find the area of the minor sector
1 r=9cm,tita=70
Answer:
The area is 49.5 cm^2
Step-by-step explanation:
To find the area of the sector, we are going to use the formula for the area of a sector
Mathematically, we have this as;
A = theta/360 * pi * r^2
r = 9 cm and theta = 70
Substituting these values
A = 70/360 * 3.142 * 9^2
A = 49.5 cm^2
look at the photo to answer
17 POINTS!!!