Answer:
John was building a wall out of bricks. The weight of the wall was 543.75 pounds. Each brick weighed 4.35 pounds. How many bricks did John use?
Step-by-step explanation:
You have to divide.
The equation
x^3 - 4x = 25
has a solution between 3 and 4
Use a trial and improvement method to find
this solution.
Give your answer correct to 1 decimal place.
You must show all your working.
HELP PLEASE! ILL MARK BRAINLIEST!
A rental car company charges $53.75 per day to rent a car and $0.07 for every mile driven. Alexander wants to rent a car, knowing that: He plans to drive 425 miles. He has at most $320 to spend. Write and solve an inequality which can be used to determine dthe number of days Alexander can afford to rent while staying within his budget .
Answer:
5 days
Step-by-step explanation:
425x0.07=29.75
320-29.75=290.25
290.25÷53.75=5.4
Answer:
Inequality: 53.75d + 29.75 ≤ 320
Answer: d ≤ 5.4
Step-by-step explanation:
Which sets of measurements could be the side lengths of a triangle?
Select each correct answer.
A. 6 cm, 7 cm, 8 cm
B. 4 cm, 8 cm, 13 cm
C. 3 cm, 3 cm, 3 cm
D. a 7 cm, 7 cm, 10 cm
E. 5 cm, 9 cm, 14 cm
Answer:
A
Step-by-step explanation:
easy way to take a note
is that the sum of the 2 first angles much be greater than the 3rd one
so A
Amihan bought ½ kilogram of beef. Write ½ kilogram I'm decimal form
1/2 in decimal form is 0.5
Factorise the expressions and divide them as directed.
Answer:
p
this is your answer look it once
Which of these fractions is another name for 1/2?
A.
4/8
B.
1/3
C.
4/6
D. 3/4
PLSS HELPPPP!!!
Which expressions represent the total area of the large rectangle? Select all that apply.
Answer:
A, C, and E
Step-by-step explanation:
Find the formula for
B
Answer:
m²
Step-by-step explanation:
Just square m
Answer:
It is m^2
Step-by-step explanation:
I need help please. This is a math word problem. If you are the first to answer and get it right I will give you brainliest. If not you get 5 stars and a heart.
Answer:
24. 2 inches
25. 57 yards
Step-by-step explanation:
Given that the measure of X is 57° and the measure of y is 51° find the measure of z 
9514 1404 393
Answer:
132°
Step-by-step explanation:
Name the vertex of each angle the same as the angle letter. Name the intersection of the "horizontal" and "vertical lines" point Q.
Angle ZXQ is vertical to ∠x, so is the same measure.
Angle YQX is the value that makes the sum of angles in triangle XYQ be 180°. That is ...
∠YQX = 180° -51° -57° = 72°
This is also the measure of its vertical angle in the other triangle. Angle z is the sum of that vertical angle and 60°, so we have ...
∠z = 72° +60°
∠z = 132°
_____
Additional comment
The relations we used are ...
vertical angles are congruentsum of angles in a triangle is 180°an exterior angle is equal to the sum of the remote interior anglesSuppose you're hiring a new worker for your business. You'd like someone reliable. Suppose you use administer a test to job-seekers many other employers use to determine if applicants have this trait. The test is 90% senstitive and 95% specific. If 60 unreliable people apply and 20 reliable people apply, how many positive results will you have
Answer:
You will have 21 positive results.
Step-by-step explanation:
Sensitivity of test:
Is the true positive rate, that is, the proportion of positive results that give positive tests.
Specificity of test:
True negative rate, that is, the proportion of negative results that give negative tests.
90% sensitive, 20 reliable people apply
0.9*20 = 18
95% specific, 60 unreliable people apply
1 - 0.95 = 0.05 of positive results.
0.05*60 = 3
How many positive results will you have?
18 + 3 = 21
You will have 21 positive results.
When CPR is performed, how does it affect the victim’s breathing? regulates the victim’s breathing speeds up the victim’s breathing starts the victim’s breathing slows down the victim’s breathing
Answer:
Regulates the victims breathing
Step-by-step explanation:
got it right on edge
Answer:
regulates the victim’s breathing
Step-by-step explanation:
got it right on edge
5cm
2cm
8cm
Volume of 3D shape
Answer:
80 cm^3 (cm cubed)
Step-by-step explanation:
5 x 2 x 8
Every triangle has a least two acute angles. True or False
Answer:
True. :)
Hope that helps
When I think of a number, double it, then add
seven, I get 23. Determine the number that I
first thought of.
Answer:
8
Step-by-step explanation:
23 - 7
= 16
16 ÷ 2
= 8
u thought of 8 ;)
Answer:
number maybe 8...
Step-by-step explanation:
because if you will double 8 then you will get 16 and if you will add 16 with 7 you will get 23....
A rectangular prism gift box has dimensions of 2.5 inches and 7 inches in 9 inches how much wrapping paper will it take to cover the gift Boxxx round the answer to the nearest 10th
0.08 times what equals $1.20
Answer:
15
Step-by-step explanation:
1.20 divided by 0.08 is 15
0.08 x 15= 1.20
3 x 2 1/2= ?????????????????/
Welp
Answer:15/2
Step-by-step explanation:
Someone help me ASAP
Answer:
1972
Step-by-step explanation:
area of retangle plus area of triangle minus area of half circle
What is the Median of this data set: 6, 10, 12, 5, 16, 11.
Answer: 10.5
Step-by-step explanation:
The median is the middle number in a data set, so in this set 5,6,10,11,12,16
the mean of 10 and 11 would be the median.
if 9% of the air leaks out of brian bicycle tire everyday, what percent of the air will be left after 3 days. after a week. round your percent to 2 decimal places
Answer:
3 days = 75.36%1 week = 51.68%Step-by-step explanation:
You can use the future value formula to calculate this:
Future value = Amount * (1 + rate)^ no. of periods
As there is no given amount, simply calculate using (1 + rate)^ no. of periods.
After 3 days:
= (1 + (-9%))³
= 0.753571
= 75.36%
After a week:
Week = 7 days
= ( 1 + (-9%))⁷
= 0.51676
= 51.68%
FIRST TO ANSWER RECIEVES BRAINLIEST
In the figure below, the radius of circle O is 3 centimeters.
What is the length of the arc bounded by central angle POQ?
cm
7 cm
оооо
EIN 50
За cm
3л
cm
2
Answer:
C)
Step-by-step explanation:
As it is 60 degree, and the whole circle is 360 degree, so we need to find 1/6 of the circumference of a circle, as C = 2*pi*r = 2*pi*3 = 6pi and 1/6 of it is pi.
How many subsets does this set have: A = {2,4,6,8,10}
A. 5
B. 8
C. 28
D. 32
Answer:
5(option a) is the correct answer
f - 4.1 = 8.6
please help i need ur help please
Answer:
f=12.7
Step-by-step explanation:
Answer:
12.7
Step-by-step explanation:
To find f, we need to "reverse" the operation and do 8.6 + 4.1 which equals 12.7.
Double check: 12.7 - 4.1 = 8.6 which is true. Therefore, 12.7 = f.
Hope this helps! If it did, please give me brainliest! It would help me a lot! Thanks! :D
The temperature in Lancaster was 19°C. The temperature in Yardley was –21°C. How much warmer was the temperature in Lancaster than the temperature in Yardley?
Answer:
It was 40 degrees warmer in Lancaster than Yardley.
Step-by-step explanation:
Answer:
19-(-21)=40°
Step-by-step explanation:
Warmer temperature has to carry a positive sign
Claire earned a total of $10 for 2 hours of yard work. Then, later in the year, she earned $15
for 3 hours.
A. How much money does Claire earn per hour?
B. What is k?
C. Write an equation for this scenario.
D. How much would she earn for 10 hours of work?
Given this matrix equation:
3 X 6 1 [-3 x-17
-Y X Y =
6 -2y
[Ty 2 8 4 6
-2
12
Choose the equation that you can use to solve
for x:
3-6 = -3
X-1 = x - 1
x²_x=6
--Y-y=-2y
Answer:
The correct answer is x²-x=6
Step-by-step explanation:
Answer:
c and -2 and 3
Step-by-step explanation:
20. Find the mean, median, and mode for the following
data set:
83 98 22 89 99 98
Answer:
a. Mean = 81.5
b. Median = 93.5
c. Mode = 98
Step-by-step explanation:
Given the following data;
x = 83, 98, 22, 89, 99, 98
F(x) = 83 + 98 + 22 + 89 + 99 + 98
F(x) = 489
Number of items, n = 6
a. To find the mean;
Mean = F(x)/n
Mean = 489/6
Mean = 81.5
b. To find the median;
Median refers to the middle number of a sorted data. Thus, we would arrange the number in an ascending order and choose the middle number.
x = 22, 83, 89, 98, 98, 99
Middle numbers = 89 and 98
Median = (89 + 98)/2
Median = 187/2
Median = 93.5
c. To find the mode;
Mode is the number which appeared the most in the series.
Mode = 98
The Mean, median, and mode for the following data set are as follows:
Mean is 81.5Median is 93.5Mode is 98.What are the measures of central tendency?The measures of central tendency include the mode, the median, and the mean.
Statistically, a central tendency is a typical value for a probability distribution.
The mode's value appears most often in a set of data values. The median is the middle value of a dataset. The mean represents the average.
Data and Calculations:Data set (in ascending order)
22 + 83 + 89 + 98 + 98 + 99 = 489
Mean = 81.5 (489/6)
Median = 93.5 (89 + 98)
Mode = 98 (occurred twice more than other values)
Learn more about the mean, median, and mode at https://brainly.com/question/14532771
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In a room at a museum, we want to tile the floor. If the floor measures 15 feet by 55 feet, what is the largest-size square tile that we can use to tile the floor without having to cut tiles?
A) 11 ft by 11 ft
B) 5 ft by 11 ft
C) 5 ft by 3 ft
D) 3 ft by 3 ft
E) 11 ft by 3 ft
F) 5 ft by 5 ft
Answer:
B. 5 foot by 11 foot
the numbers have to be divisible in both directions.
11x11 doesn't work, because at 15 feet wide one tile isn't wide enough, and 2 is too wide.
5x11 works- 3x5= 15 and 11x5=55. you'd use 15 tiles.
the rest are all smaller.
In the diagram below of triangle ABC, D is a midpoint of AB and E is a midpoint
of BC. If DE = 4x + 4, and AC = x + 36, what is the measure of DE?
В.
D
E
A
С
Answer:
DE = 20 units
Step-by-step explanation:
GIVEN :-
D & E are the mid-points of AB & BC respectively.DE = 4x + 4AC = x + 36TO FIND :-
Measure of DEFACTS TO KNOW BEFORE SOLVING :-
The midsegment of a triangle is a line constructed by connecting the midpoints of any two sides of the triangle.The Triangle Midsegment Theorem tells us that a midsegment is one-half the length of the third side (the base), and it is also parallel to the base.PROCEDURE :-
According to Triangle Midsegment Theorem ,
[tex]DE = \frac{AC}{2}[/tex]
[tex]=> 4x + 4 = \frac{x + 36}{2}[/tex]
Multiplying 2 on both the sides ,
[tex]=> 2(4x + 4) = x + 36[/tex]
[tex]=> 8x + 8 = x + 36[/tex]
[tex]=> 8x - x = 36 - 8[/tex]
[tex]=> 7x = 28[/tex]
[tex]=> x = \frac{28}{7} = 4[/tex]
∴ DE = 4×4 + 4 = 20 units