Answers
Related Questions
25 students in class A did a science exam.
30 students in class B did the same science exam.
The mean mark for the 25 students in class A is 67.8
The mean mark for all the 55 students is 72.0
Work out the mean mark for the students in class B.
Answers
Answer:
class B
Step-by-step explanation:
I need to know what the variable is and please give me the equation.
THIS IS TIMED AND I NEED IT FAST I ONLY HAVE A FEW MINUTES!!!
Answers
Answer:
$9.50 = .25x
Step-by-step explanation:
38 quarters
The following equation is solved using the Pythagorean Theorem:
4² + b² =6²
Answers
b^2 = 20
b = 4.472
1. Caleb has a bike rental agency. He has 26 vehicles available, 19 are ack bikes. What is the relative frequency probability that a randomly selected vehicle will be a black bike?
Answers
Answer:
Probability of 7%
Step-by-step explanation:
solve : -2 1/3-(-5) = 0
Answers
Answer:
2 2/3
Step-by-step explanation:
Answer:
2 2/3
Step by Step
write the standered equation of the circle (0,7)
Answers
Answer:
C
Step-by-step explanation:
tia is swimming at a constant rate in a lake
Answers
Answer:
Step-by-step explanation:
If you wanted to figure out how long it would take her to get there it would be the distance she swims divided by her speed.
if you wanted to figure out how much her speed is, it would be the distance she swims divided by her speed.
If you wanted to figure out how long the distance is, you would multiply her speed and how long it took to get their.
can I get some help ???
Answers
Answer is D. 288 . i am glad to help
WILL GIVE BRAINLIEST! NEED ANSWER FAST!
Anthropologists approximate the height of a primate by the size of its humerus (the bone from the elbow to the shoulder) using the equation
H = 1.2L + 27.8,
where L is the length of the humerus and H is the height, in inches, of the primate.
An anthropologist estimates the height of a primate to be 60 in. What is the approximate length of the humerus of this primate? Round to the nearest tenth of an inch.
in
Answers
Answer:
26.83
Step-by-step explanation:
H=1.2L + 27.8
60=1.2x+27.8
minus 27.8 from both sides
32.2=1.2x
divide both sides by 1.2
x=26.83
Juan and Michele mark the locations of two stadium seats on a coordinate plane. The first seat is at (−4,−1), and the second seat is at (−4,7). Each unit on the coordinate plane represents 1 meter. What is the distance, in meters, between the first and second seats?
Answers
Answer:
The distance between the first and second seat is 8 meters
Step-by-step explanation:
-1 +7 = |-1| + |7| = 8
Can someone help me with this question please
Answers
Help with this math problem
Answers
Answer:
Option 3
Step-by-step explanation: x
3−8 is the difference of two cubes and can be factored in the following pattern.
a3−b3=(a−b)(a2+ab+b2) a3 factors to ab3 factors to be
The pattern of the signs follows the acronym SOAP
S = same sign as the cubes
O = opposite sins of the cubes
AP = always positive x3 factors to x8 factors to 2x3−8=(x−2) (x2+4x+4).
A salesperson at a jewelry store earns a 4% commission each week. Last week, Jarrod sold $640 worth of jewelry. How much did he make in commission? How much did the jewelry store make from his sales?
please help!
Answers
Answer: 19.2
Step-by-step explanation:
Plz give brainlest
Answer:$51.20 commission
Step-by-step explanation:
In AXYZ, X = 7.7 inches, y = 4.2 inches and z=7.3 inches. Find the measure of Y to
the nearest degree.
Answers
Answer:
32.38°
Step-by-step explanation:
In AXYZ, X = 7.7 inches, y = 4.2 inches and z=7.3 inches. Find the measure of Y to
the nearest degree.
We solve using Cosine rule
Y = arc cos( x² + z² - y²/2xz)
x = 7.7 inches
z = 7.3 inches
y = 4.2 inches
Y = arc cos( 7.7² + 7.3² - 4.2²/2 × 7.7 × 7.3)
Y = 32.38°
How many square feet of clear grass will be needed for the window? (Please Provided Explanation of Answer)
Answers
Answer:
40 sq ft
Step-by-step explanation:
A= bh
A= (4)(10)
A= 40
Find the area of semi circle , π = 3, d = 12
Answers
Answer:
120cm *squared*
Step-by-step explanation:
A = π r² to find a circle
half of diameter is radius so 12/2 = 6
3 x 6 (squared) = 108
we found the half circle then add 12
so we make a semi circle
108 + 12= 120
answer 120 cm *squared*
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Have a great day, be safe and healthy
Thank u
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Cut a cake into 8 with only 3 cuts
Answers
Answer:
try this
Step-by-step explanation:
Make a straight cut through the center, cutting the cake in half.
Stack the two halves, one on top of the other and then cut them all in half #2. stack these 4 pieces of cake on top of each other and make your third cut, cutting them all in half for 8 equal, but messy, pieces of cake with 3 cuts.
When x = 6 and y = 3, which of the expressions below will be greater than 100? Select all
that apply.
A) 6xy
B) 5(4x + 3y)
C) 3x2 – 2y
D)2x3/
Y + 5
Answers
what is the exterior angle?
Answers
The value of x° is 22° and exterior angle is 25.
Step-by-step explanation:
l can prove like this,
Here,2x°+(103-x)°=(6x-7)°...Being exterior angle
or,2x°+103°-x°=6x°-7°
or,x°+103°=6x°-7°
or,103°+7°=6x°-7°
or,5x°=110°
or,x°=110°÷5=22°
Now,
x°=22°
(6x-7)°=(6×22-7)°=125°
Please Help ASAP!!
Find the Area of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenths place.
Answers
Answer:
The answer is 80 because 10x8 is 80 and the nearest 10 means it need to have a 0 behind so it is 80
Select True or False for each statement. 1 4 9 + 7 6 9 is equal to 8 1 9 . 5 5 6 + 3 3 6 is equal to 8 2 6 . 4 5 8 − 2 4 8 is equal to 2 3 8 . 6 5 8 − 2 2 8 is equal to 4 3 8 .
Answers
Answer:
(1) False
(2) False
(3). False
(4) False
Step-by-step explanation:
According to the problem, calculation of the given data are as follows,
(1). Given, 149 + 769 = 819
By calculating 149 + 769 = 918
Hence, False
(2). Given, 556 + 336 = 826
By calculating 556 + 336 = 892
Hence, False
(3). Given, 458 - 248 = 238
By calculating 458 - 248 = 210
Hence, False
(4). Given, 658 - 228 = 438
By calculating 658 - 228 = 430
Hence, False
Joe wants to buy a $180 number that's on is on sale the snowboard is 30% off what is the sale price of the snowboard (show work)
Answers
Answer:
Step-by-step explanation:
Assuming that the Skateboard is $180, and you are asking for the price when it is 30% off.
180 * .70 = $126
Another way of solving the question is finding 10 % of 180, which is 18. And you are looking for 30% less, so 18 * 3 = 54, which is 30% of 180.
180 - 54 = 126
Please help me need ASAPp
Answers
3 in.
3 in.
4 in.
6 in.
7 in.
11 in.
What is area of the shaded region in the figure shown?
Answers
Answer:
9 + 8 + 12 = 29
Step-by-step explanation:
Determine whether y=2x^3 represents an exponential function.
Answers
Answer:
This is not an exponential function.
Step-by-step explanation:
x would have to be the exponent for it to be an exponential function.
Solve the quadratic equation, using the factoring method.
[tex]4x^2-8x-4=8[/tex]
Answers
4x^2-8x-12=0
4x^2+4x-12x-12
4x(x+1) -12(x+1)
(4x-12)(x+1)
4(x-3)(x+1)
30 POINTS
Simplify.
−5x4(−3x2+4x−2)
Answers
Answer:
15 x ^6 − 20 x ^5 + 10 x ^4
Step-by-step explanation:
Answer:
15x^6 - 20x^5 + 10x^4
Step-by-step explanation:
−5x^4(−3x^2+4x−2)
15x^6 - 20x^5 + 10x^4
The area of a rectangular park is 3500sq.m.If its width is 50m,then find the
cost of its fencing at the rate of Rs.100per meter
Answers
I looked it up
Jenny has $25
and she earns $10 for each lawn that she
mows. Jenny wants to buy a concert ticket that costs $65.
Enter the minimum number of lawns Jenny needs to mow to
be able to buy the concert ticket.
Answers
Answer:
atleast 4 lawns
Step-by-step explanation:
Answer:
At least 4 lawns because 25+40=65
Step-by-step explanation:
HELP ASAP 10 POINTSSS
Answers
Answer:
Complementary angles, adjacent angles
Step-by-step explanation:
Which relationships describe angles 1 and 2?
Options: Complementary angles, vertical angles, supplementary angles, adjacent angles
Angles 1 and 2 are opposite to the 90° angle. So, the angles' relationship to that angles is a vertical angle, meaning that the two add up to 90°.
Complementary angles add up to 90°, so this option is correct.
Vertical angles are the pairs of opposite angles formed by two intersecting lines. Because the two angles do not follow this definition, this option is incorrect.
Supplementary angles add up to 180°. However, we know that the two add up to 90°, so this option is incorrect.
Adjacent angles are angles that are next to each other, so this option is correct.
I hope this helps! Feel free to ask any questions!