Answer:
x=50
Step-by-step explanation:
50 x 0.4 = 20
Hope it helps
Need lotta help.What is 6 times 80?
Answer:
480
Step-by-step explanation:
please help!! using the pythagorean theorem !!
Answer:
≈8.66
Step-by-step explanation:
a²+b²=c²
5²+b²=10²
25+b²=100
25+b²-25=100-25
b²=75
b=√75
≈8.66
pls mark me as brainliest!
Answer:
8.66
Step-by-step explanation:
You're solving for b.
first, use the formula
c = a^2 +b^2
b = c^2 -a^2 = 10^2 - 5^2 = 8.66025
Don't forget that you have to square root it.
find two numbers with a sum of
11 and a difference of 5.
Answer:
8 and 3
Step-by-step explanation:
Answer:
The numbers are 8 and 3
Step-by-step explanation:
Hope This Helps!
In a particular part of the Volta lake, there is a population of 100000 tilapia. The number of tilapia is decreasing at a rate of 10% per year due to pollution from a human settlement on the shores of the Volta lake in this area.
2. Copy and complete the table below to show the number of tilapia P after 1, 2 and 3 years
Number of years (t) 0 1 2 3
Number of tilapia (N)
Criterion B 1-2
b) Write an exponential model for the number of tilapia N after t years
Criterion B 3-4
c) When the population of tilapia falls below 25000 it is at a ‘critical level’. Write an inequality and calculate how long it will take for this lake to be at a critical level.
Answer:
?????
Step-by-step explanation:
HELP ME PLS
if y varies inversely with x, and y = 15/2 when x = 4, find x when y = 15/4
share 40 pounds in the ratio 1:4 between tim and sam
Answer:
Add the ratio together: 1 + 4 = 5
Divide total by 5: 40/5 = 8
Multiply 8 by each portion of the ratio:
8 x 1 = 8
8 x 4 = 32
Time gets 8
Sam gets 32
Larry and Cathy study for a total of 24 hours each week. Larry studies 3 less than twice the hours than Cathy studies. How many hours does Cathy study per week?
ATQ
[tex]\\ \sf\longmapsto x+2x-3=24[/tex]
[tex]\\ \sf\longmapsto 3x-3=24[/tex]
[tex]\\ \sf\longmapsto 3x=24+3[/tex]
[tex]\\ \sf\longmapsto 3x=27[/tex]
[tex]\\ \sf\longmapsto x=9[/tex]
Answer:
ᎪꪀsωꫀᏒ9 hours Cathy study per week
Step-by-step explanation:
=> according to the question
➪ x+2x-3=23
➪ 3x-3=24
➪ 3x=24+3
➪ 3x=27
➪ x= 27/3
➪ x= 9
Which of following is the graph of y = -(x + 1)2 -3? o ty 2 ?? 덕 a -2 2 4 n DONE
Answer:
Neither of the graphs shown.
Step-by-step explanation:
Given the quadratic equation, y = - (x + 1)² - 3, where a = -1, and the vertex is the minimum value that occurs at point (-1, -3). It is easier to tell which graph corresponds to the given equation due to the coefficient, a. In quadratic fucntions, if a < 0, then it means that it is a downward-facing parabola. The value of a makes the parent function wider or narrower.
Also, the parabola is shifted 1 unit to the left, as defined by h = -1, and 3 units downward, defined by k = -3.
I'm not sure if there are other graphs as options. Since neither one of the graphs shown applies to the given quadratic equation, I'm including a screenshot of the correct graph for your reference, where it shows where the vertex is located, along with the y-intercept, (0, -4) -- just in case. Hopefully this helps.
Six times the quantity, x-2, is 24. Find the number
Answer:
x = 6
Step-by-step explanation:
it states 6 times the quantity x - 2, so the expression would be 6 ( x - 2 ) = 24. first multiply because you cannot add or subtract unlike terms. so 6 multiplied by x and -2, the expression would be (6x - 12) = 24. add 12 to 12 so you cancel the coefficient. but when adding to the constant add to the sum. now it is 6x = 36. since 6x is multiplication, divide 6x by 6 to isolate the variable, but divide the answer, 36 divided by 6 is 6. therefore x = 6. hope this helps
value of 3 to the power of -2
Answer:
it would be .1111111111
Hope this helps
Answer:
.1 repeating
Step-by-step explanation:
.1 repeating= .11111111111
Hope this helps.
The angle which is four times its complement is a. 60 b. 30 C. 45 d. 72
Answer:
The answer is D.72°
Step-by-step explanation:
hope this helps.
plz help.this is a grade! DUE IN 10 MINUTES. he tape diagram below represents how much time you and your friend spend time studying. You study for 45 minutes how many minutes does your friend study
Answer:
both you and your friend study for 45mins
Step-by-step explanation:
A chemist is using 337 milliliters of a solution of acid and water. If 13.2% of the solution is acid, how
many milliliters of acid are there? Round your answer to the nearest tenth.
Answer:
44.5 mL
Step-by-step explanation:
337 × 13.2%
= 337 × 0.132
= 44.484 mL
= 44.5 mL (1dp)
Review the table of values showing the number of
days each year from 1990 to 1997 that air quality in
San Diego did not meet federal air quality standards.
Answer: B
Step-by-step explanation: I got it right.
Answer:
GUYS THE PERSON ABOVE ME IS WRONG THE ANSWER IS NOT B IT IS C TRUST ME
A map of Pennsylvania has a scale of ¾ inch to 25 miles. If Pittsburgh and Philadelphia are 9 inches apart on the map, how many miles apart are the two cities?
Answer: 300
Step-by-step explanation:
0.75 inches : 25 miles
we can times 0.75 by 12 to get 9, we have to do the same thing on the other side.
9inches : 300 miles
You are given that a 7.6.54 to 3 significant figures) and b = 123 (to 3 significant figures):
Calculate upper and lower bounds for a+b, give your answers to 3 significant figures:
[tex]\\ \sf\longmapsto a+b[/tex]
[tex]\\ \sf\longmapsto 123+76.5[/tex]
[tex]\\ \sf\longmapsto 199.5[/tex]
[tex]\\ \sf\longmapsto 199[/tex]
CAN ANYBODY HELP ME What is the 100th term in the sequence beginning with -45, -43, -41, -39, ...?
Group of answer choices
153
150
155
200
55
Answer:
153
Step-by-step explanation:
Since the given sequence is arithmetic because it has common difference.
-43-(-45) ,= -43+45 = 2
-41+43 = 2
-39+41 = 2
Therefore, the common difference is 2.
General Term
[tex] \displaystyle \large{a_n = a_1 + (n - 1)d}[/tex]
Since we want to find the 100th term, substitute n = 100.
We know common difference which is 2 and defined as 'd'; substitute d = 2
a1 means first term so:-
[tex] \displaystyle \large{a_{100}= - 45 + (100 - 1)2} \\ \displaystyle \large{a_{100}= - 45 + (99)2} \\ \displaystyle \large{a_{100}= - 45 + 198} \\ \displaystyle \large{a_{100}= 153}[/tex]
Elaine old bicycle had tires with 12 inch diameter. Her new bicycle has tires with 16 inch diameter. What is the difference in the same conference of the tires
Answer:
12.56 inches
Step-by-step explanation:
HELP THIS IS DUE SOON 30 POINTS
Answer:
x = 4
Step-by-step explanation:
f(x) = 4x-5
11 = 4x-5
4x-5 = 11
4x = 11+5
= 16
x = 16÷4
= 4
Lourdes plans to jog at least 1.5 miles. Write and solve an inequality to find x, the number of hours that Lourdes will have to jog..
Answer:
An inequality compares two or more variables by using the <, >, ≤, or ≥ signs.
The number of hours Lourdes will have to jog is 0.4 hours
From the given parameters:
Lourdes plans to jog for at least a distance of 1.5 miles
If Lourdes can jog averagely at the speed of 3.75 mph
Then,
the inequality that can represent the information can be written as:
= 1.5 miles ≤ 3.75 (x) miles/hour
Solving the inequality;
= 1.5 ≤ 3.75 (x)
Making (x) the subject of the formula, we have:
x = 0.4 hours
Therefore, we can conclude that the number of hours lourdes will have to jog is 0.4 hours
Step-by-step explanation:
bubba's gym charges a $100 membership fee and $10 per visit.
write an expression that represents the cost of "x" visits: C=_______
Answer:
C=100+10x
Step-by-step explanation:
its 10$ per visit and x represents the number of visits. and you get a 1 time membership fee of 100 so its 100+10x=C c stand for cost.
Find the measures of two supplementary angleš if the difference between the
measures of the two angies is 35º
Answer:
<1 = 107.5 degrees
<2 = 72.5 degrees
Step-by-step explanation:
<1 = x
<2 = x -35
x + x - 35 = 180
2x = 180+35
x = 215/2
x = 107.5
<1 = 107.5
<2 = 72.5
–8(6+3)
-83
Please help me
Answer:
-155
Step-by-step explanation:
-8\cdot \:9-83
-72-83
=-155
The product of x and 7 is at least 21
tập nghiệm của phương trình 3tan+√3=0
Answer:
if 0° ≤ x ≤ 360°
x = 150° or x = 330° (5/6 π , 11/6 π)
if x can be beyond 2π (360°) , above or below
x = 5/6 π + 2nπ or x = 11/6 π + 2nπ
Step-by-step explanation:
3 tanx = -√3
tan x = - 1/√3
if 0° ≤ x ≤ 360°
x = 150° or x = 330° (5/6 π , 11/6 π)
if x can be beyond 2π (360°) , above or below
x = 5/6 π + 2nπ or x = 11/6 π + 2nπ
Determine the intercepts of the line
x intercept : ?,?
y intercept: ?,?
Answer:
x-intercept: 3 or (3,0)
y-intercept: -10 or (0,-10)
Step-by-step explanation:
1. The intercepts of a graph are points at which the graph intersects with the x - or y-axis.
2. Given the information above, the line intersects with the x-axis at (3,0) and the y-axis at (0,-10).
Therefore, the x-intercept is 3 or (3,0) and the y-intercept is -10 or (0,-10).
the diagram shows a circle inside a square 16cm work out the area of the circle
Answer:
12.57 or 4π
Step-by-step explanation:
Since the area of 16, the 2 sides must be 4 and 4
From that we can infer that the diameter is 4
Radius is 2
radius squared*pi
4*3.142
12.57
PLEASE HELP DUE TODAY NO LINKS WILL REPORT
Answer:
The first option
Step-by-step explanation:
Because you cannot have a negative squared root
Answer:
a.
Step-by-step explanation:
I had this question before lol.
A family has two cars. The first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of 40 miles per gallon of gas. During one particular week, the two cars went a combined total of 1700 miles, for a total gas consumption of 55 gallons. How many gallons were consumed by each of the two cars that week
Which phrase matches the algebraic expression below?
2(x - 7) + 10
OTwo times the sum of x and seven plus ten
OTwo times the difference of x and seven plus ten
OTwo times x minus seven plus ten
OTwo times x minus the sum of seven and ten
Answer:
O Two times x minus seven plus ten