Answer:
12 months
Step-by-step explanation:
Given that:
Mario:
12 stamps per month
Since January
Karen :
18 stamps per month
Starts on july
Number of stamps collected by Mario till the end of June :
12 * 6 = 72 stamps
For Mario :
72 + 12x
For karen:
18x
Where x is the number of months after karen starts :
Equate both equations
72 + 12x = 18x
72 = 18x - 12x
72 = 6x
x = 72/6
x = 12
After 12 months
Number of months after karen starts, will they have same amount of stamp
Solve this question for BRAINLIEST!
Answer:
3x+1
Step-by-step explanation:
!!!Quick!!! Barbara can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes? (In Meters)
Answer:
400 meters
Step-by-step explanation:
First, divide 3,200 by 24 to find the rate, which is 133.3 (repeated).
Now, multiply 133.3 by 3, which is your answer! 133.3*3=399.9. 399.9 is extremely close to 400, so we can just round it to that.
Hope this helps you out and have a wonderful day (✿◡w◡)
I will give you 15 pints pls answer
Answer:
A and C
Step-by-step explanation:
Can 10, 11, 2 be measures of the sides of a triangle
Answer:
Yes
Step-by-step explanation:
The Triangle Inequality Theorem says the sum of any two side lengths of a triangle has to be greater than the third side.
With the measures of 10, 11, and 2, this follows the theorem.
For example, 10 + 11 is 21, which is greater than 2.
11 + 2 is 13, which is greater than 10.
This works for all the combinations, so 10, 11, and 2 can be the side lengths.
In ABC, M belongs on AB so that AM:MB = 3:2 and N is the midpoint of CM. If the area of CNB is 35 in^2, find the area of CMB, AMC, ABC.
Answer:
CMB=50 ACM=75 ABC=125
Step-by-step explanation:
I know it’s too late for your principal test but i need my points.
Layla right her scooter 360 miles every week, she rides 60 miles every 3 hours. At this rate, how many hours will take Layla to ride 360miles.
Answer:
It will take Layla 6 hours to ride 360 miles
Step-by-step explanation:
If 3(x + 5) = 39, then what is x?
Answer:
x=8
Step-by-step explanation:
X=8 because 39/3 is 13 and 13- 5 is 8 and 5 and 8 add up to make 13 inside the parenthesis.
x = 8
Explanation:3(x + 5) = 39Divide Both Sides By 33(x + 5) / 3 = 39 / 3
Simplifyx + 5 = 13
Subtract 5 From Both Sidesx + 5 - 5 = 13 - 5
x = 8- PNW
᪥20 POINTS᪥
21(x-4)+2=?
A. 21x-2
B.107x
C.21x-82
D.27x
Answer:
C
sorry if I'm wrong.
2(3x + 7) = 6x - 2
Solve for x pls
Answer:
no solution
Step-by-step explanation:
6x+14=6x-2
-6x -6x
14=-2
+2 +2
16=0
so it ould be no solution
Hope this helped :)
dont get mad if it's wrong pls :) give me brainliest
Which ordered pair uses the rule used in the table?
Answer:
8,17 Answer B.
Step-by-step explanation:
Help please please please! I will mark you as brainlist !!!
Answer:
-90
Step-by-step explanation:
I took -90 divided it by 3 which gave me the answer of -30.
Answer:
I think it will be A.
Step-by-step explanation:
Because 9/3 =3 so 90/3 =30 . Same goes with Negative integers!
PLS HELP ASAP I DONT HAVE TIME FOR THIS, IT ALSO DETECTS IF ITS RIGHT IR WRONG
Answer:
120
Step-by-step explanation:
Answer:
150
Step-by-step explanation:
Round to the nearest tenth if necessary.
Find the distance between the two points.
(9, 12), (–2, 7)
146
20.2
12.1
16
Answer:
12.1 is the distance between the two points
i need help finding the missing angle measures
Answer:
52 degrees
Step-by-step explanation:
the triangle has to equal 180 to be a perfect triangle so you would add 64+64=128 then subtract that from 180 to get 52.
Corresponding sides of similar triangles are proportional.
True Or False
Answer:
TRUE
Step-by-step explanation:
By the definition of similar polygons, corresponding sides of corresponding triangles are in proportion.
Karlene paid $129 plus 6% sales tax for a guitar What was the total cost
Answer:
136.74
Step-by-step explanation:
Classify this triangle by its sides?
Answer:
Isosceles
Step-by-step explanation:
Hope this helps you
solve the equation ( exponential equations)
[tex] {3}^{4} = {3}^{2x + 8} [/tex]
a bowling alley charges $3.00 to rent shoes and $1.50 per game bowled , write the eqations ?
Answer:
y intercept is 3 (shoes)
slope is 1.5 (games bowled)
Step-by-step explanation:
ZA and ZB are vertical angles. If m_A = (4x – 13)° and m
ZB = (3x + 19)', then find the measure of ZA.
Answer:
115 degrees
Step-by-step explanation:
Vertical angles are congruent by the vertical angles theorem.
Hence,
<A=<B
4x-13=3x+19
x=32
Substituting 32 in for x in <A
4(32)-13= 115
In ASTU, S = 3.8 inches, t = 9.8 inches and u=9.6 inches. Find the measure of ZU to
the nearest 10th of a degree.
Answer: 75.8
Step-by-step explanation:
ILL GIVE BRAINLIEST BUT IF ITS CORRECT (IT WILL TAKE A WHILE) THEN ILL GIVE BRAINLIEST JUST HELP!
How is this number read?
18.73
eighteen seventy-three
eighteen and seventy-three tenths
eighteen and seventy-three hundredths
eighteen and seventy-three thousandths
It took 8 hours to drive 240 miles. At this rate, how long does it take to drive 90 miles?
Answer:
It will take 3 hours to drive 90miles.
Step-by-step explanation:
240miles/8hours=30miles/1 hr. 90miles/3hours
What value of x makes the equation 3(x – 6) – 8x = –2 + 5(2x + 1) true? Explain your answer
Answer:
x = -7/5
Step-by-step explanation:
3( x - 6 ) - 8x = -2 + 5(2x + 1)
3x - 18 - 8x = -2 + 10x + 5
-5x - 18 = 3 + 10x
-5x - 10x = 3 + 18
-15x = 21
x = [tex]-\frac{7}{5}[/tex]
Which two expressions are equivalent?
150 pounds to 135 pounds, What's the percent of change?
Answer:
The percent change from 150 lbs. to 135 lbs. is a 10% change:
(135-150)/150 x 100
-15/150 x 100
-0.1 x 100
-10% change
10% decrease
Your answer is: 10% change
A study found that the average time a person spent exercising each week was 84 minutes, but there could be up to a 3% error in this
number. Which of these could be the actual average time spent?
es
A)
78.32 minutes
B)
81.48 minutes
C)
87.32 minutes
D)
88.64 minutes
B is the answer
Answer:
C
Step-by-step explanation:
The actual average time = 81.5 minutes
The correct answer is an option (B) 81.48 minutes
What is percent error?"percent error = [(estimated value - actual value) / (actual value)] × 100"
For given example,
percent error (e) = 3%
estimated average time spent (x) = 84 minutes
We need to find the actual average time spent (y)
Using the formula of percent error,
⇒ e = [(x - y)/y] × 100
⇒ 3 = (84 - y)/y × 100
⇒ (84 - y)/y = 3/100
⇒ (84 - y) / y = 0.03
⇒ 84 - y = 0.03y
⇒ 84 = 0.03y + y
⇒ 84 = (1.03)y
⇒ y = 81.5 minutes
Therefore, the actual average time = 81.5 minutes
The correct answer is an option (B) 81.48 minutes
Learn more about the percent error here:
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Please help this is a big test!
A website is having a sale, and all items are 25% off the original price,p.
Which expressions can be used to find the price of an item after the discount?
Select all that apply.
0.75p
1.25p
p - 25
p - 0.25p
0.01p*75
Answer:
p - 0.25p
1.25p
solve the equation 4x^2-27x-5=-10x to the nearest tenth
Answer:10x^2-27x+5. 10x2−27x+5 10 x 2 - 27 x + 5. For a polynomial of the form ax2+bx+c a x 2 + b x + c , rewrite ...
Step-by-step explanation:
The solution of the equation:
x = -0.28 to the nearest tenth.
x = 4.53 to the nearest tenth.
What is a quadratic equation?For variable x : ax² + bx + c = 0, where a≠0 is a standard quadratic equation, which is a second-order polynomial equation in a single variable. It has at least one solution since it is a second-order polynomial equation, which is guaranteed by the algebraic basic theorem.
Given:
A quadratic equation,
4x²-27x-5 = -10x
Simplifying,
4x²-27x-5 + 10x = 0
4x²-17x-5 = 0
So,
x = {-(-17) ± √(289 + 80)}/8
x = (17 ± √369) / 8
When we take - sign,
x = - 0.276
x = -0.28 to the nearest tenth.
When we take + sign,
x = 4.526
x = 4.53 to the nearest tenth.
Therefore, the values are x = -0.28 and x = 4.53.
To learn more about the quadratic equation;
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a. angleFJG = angleHJG by SAS
PLEASE HELP
Answer:
J is midpoint
side FJ = side JH Def of midpoint
angle GJF = GJH perpendicular bisector both 90 degrees
JG=JG reflexive property
Therefore triangle FJG = HJG