Answer:
what's the question?
Step-by-step explanation:
7/5 mm x 5/14 mm
what is the answer
Answer:
35/70
Step-by-step explanation:
7x5=35
5/14=70
35/70
You can symplify to 1/2
Answer:
1/2 or 0.5
Step-by-step explanation:
you just have to multiply the fractions across. (14 * 5) = 70 and then (7 * 5) = 35. then divide the 2. so 35/70 = 1/2
Fill in the blank:
(2x + 3)(x + 1) = 2.2 + ___+3
A)-5
B)3
C)0
D)5
PLS HELP MULTPLE CHOICE
Answer:
(-2,-1)
Step-by-step explanation:
WILL GIVE BRAINLIEST IF CORRECT
Answer:
c
Step-by-step explanation:
Two 7th grade , Monique and Matt, both solved the following math problem.
If the temperature drops from 30*F to -5*F by how much did the temperature decrease?
The students came up with different answers.Monique said the answer is 35*F , And Matt said the answer is 25*F. Who is correct?
Answer:
Monique is correct
Step-by-step explanation:
The actually temperature decrease = 30 - (-5) = 35*F
Monique is correct
A piece of rural land sold ten years ago for 40000. The price for the same land this year is $800 more per acre, and it sold for 60000. What is the size of the piece of land in acres?
Answer: 25
Step-by-step explanation:
From the question, we are informed that the piece of rural land sold ten years ago for 40000 and that the price for the same land this year is $800 more per acre, and it sold for 60000.
The size of the piece of land in acres will then be:
40000 + 800x = 60000
800x = 60000 - 40000
800x = 20000
x = 20000/800
x = 25
The land is 25 acres
Answer: 25
Step-by-step explanation:
40000 + 800x = 60000800x = 60000 - 40000800x = 20000x = 20000/800x = 25
A system of two equal equations is shown below
3x + y = 8
4x - 2y = 3
What is the solution of the system?
Answer:
x=1.9
y=2.3
Step-by-step explanation:
I hope this helped.
Quadrilateral BCDE is inscribed in circle A. The measure of ⏜ is 73°. The measure of ⏜ is 53° and the measure of ⏜ is 102°. Determine the measure of ∠ BCD.
Answer: c
Step-by-step explanation:
What set of numbers does NOT contain -7?
o integers
rational numbers
real numbers
whole numbers
Answer:
Step-by-step explanation:
the answer is whole number, explination : A whole number is any number that does not contain a fraction, decimal, or negative value. For example, 1, 25, and 365 are whole numbers
Help me pls would be appreciated
Answer:
Sphere volume is this formula
V=(4/3)πr^3
plug in 21 for r in this formula
If you are meant to round pi to 3.14 the answer is = 38722.72
If you are not meant to round pi to 3.14 the answer is = 38792.39
Find the curcumince of the circle. use 3.14 or 22/7.
Answer:
the circumference of this circle is approximately 25.12 cm with π as 3.14.
Step-by-step explanation:
circumference of a circle is technically a perimeter of a circle.
we find the circumference of a circle by using the following formula :
c = 2πr or c = πd
r represents the radius d represents the diameter
since 4 yds here is a radius, we use the left formula i placed above. then, we substitute the numbers in. pi represents 3.14 as said in your question. even if you use 22/7, you will still get around the same result.
c = 2πr
c = 2(3.14)4
c = 6.28(4)
c = 25.12 yds
therefore, the circumference of this circle is approximately 25.12 yds.
Which equation can be used to solve for x in the following diagram?
(10x + 10)
110°
Choose 1 answer:
(10x + 10)
= 110
(10x + 10) = 90
(10x + 10) - 110 = 90
(10x + 10) + 110 = 180
Answer:
the answers (10x+10)=110
Step-by-step explanation:
Jessica weighs 10 less than three times as much as her little sister. If x represents her sister's weight, what is an expression Jessica can
use to figure out her own weight? Explain your thinking and how you got your answer.
Answer:
Step-by-step explanation:
J=3x-10
We are told Jessica weighs 10 less than 3 times her sister’s weight and told that her sister’s weight was x.
What is the volume of a pyramid with a base area of 102 square units and a height of 13 units? 1) 442 units 2) 663 units 3) 1326 units 4) 3978 units.
Answer:
3
Step-by-step explanation:
HOPE THIS HELPS SORRY FOR CAPS
wrote a simplified expression for the perimeter of the triangle
pls help i’ll give brainialist
Answer:
here, you are simply asked to find perimeter
so add all sides to find it. soln is below
a+5+2a-1+3a-7 = 6a-3= 3(2a-1) ans
Hari's weekly allowance varies depending on the number of chores he does. He received $18 in allowance the week he did 10 chores, and $16 in allowance the week he did 6 chores. Write an equation for his allowance in slope-intercept form.
Answer:
y=1/2x+13
Step-by-step explanation:
The slope-intercept form is: y=mx+b, where m is the slope and b is the y-intercept of the line. First, you have to calculate the slope using the following formula:
m=y2-y1/x2-x1
You have two points: (6, 16), (10,18) as the chores are the independent variable which is x, and the money is the dependent variable which is y.
Now, you can replace the values in the formula:
y2=18
y1=16
x2=10
x1=6
m=(18-16)/(10-6)
m=2/4
m=1/2
Now, you use the point-slope formula:
y-y1=m(x-x1)
You have to replace the value of the slope and one point and solve for y:
y-16=1/2(x-6)
y-16=1/2x-3
y=1/2x-3+16
y=1/2x+13
According to this, the answer is that the equation for his allowance in slope-intercept form is: y=1/2x+13.
What fraction of the shape is shaded? plssss help
Answer:
2/6
Step-by-step explanation:
Answer:
1 1/2 of the shape is shaded
Step-by-step explanation:
Hope this helps!
1) Find f(x) - g(x) f(x) = 8/(9y) g(x) = 5/(18y ^ 2)
Answer:
[tex]\frac{16y-5}{18y^{2} }[/tex]
Step-by-step explanation:
[tex]\frac{8}{9y} -\frac{5}{18y^{2} }[/tex], multiply the first fraction by 2y/2y to get a common denominator
so [tex]\frac{16y}{18y^{2} } -\frac{5}{18y^{2} }[/tex] then simplify [tex]\frac{16y-5}{18y^{2} }[/tex]
HELP ME PLEASE!!!!!!
Answer:
15
Step-by-step explanation:
if you go 168 miles in 6 hours, how fast are you going?
Answer:
28miles/h
Step-by-step explanation:
divide 168 in 6
Answer:
28 mph
Step-by-step explanation:
Distance = speed × time
168 = speed × 6
speed = 28 miles per hour
A therapist wanted to determine if yoga or meditation is better for relieving stress. The therapist recruited 100 of her high-stress patients. Fifty of them were randomly assigned to take weekly yoga classes and the other 50 were assigned weekly meditation classes. After one month, 30 of the 50 patients in the yoga group reported less stress, and 35 of the 50 patients in the meditation group reported less stress. The therapist wants to construct a 95% confidence interval for the difference in proportions of patients experiencing stress relief after yoga and after meditation. Are the conditions for inference met?
Yes, the conditions for inference are met.
No, the 10% condition is not met.
No, the randomness condition is not met.
No, the Large Counts Condition is not met.
Answer:
A. Yes, the conditions for inference are met.
Explanation:
100%
I don’t know how to do this....Help me please!!
How to solve this maths problem?
Pls help
Answer:
Step-by-step explanation:
(a) The length and breadth of the playground as measured by the surveyor are 20 m and 13 m respectively to nearest metre.
Since the actual length is x m and breadth is y m, then;
i. x ≥ 20 m or x ≤ 20 m
ii. y ≥ 13 m or y ≤ 13 m
(b) perimeter of the playground = 2 (length + breadth)
= 2 ( 20 + 13)
= 2 x 33
= 66 m
The range of values of the perimeter = 65.4 m < perimeter < 66.5 m
ii. area of the playground = length x breadth
= 20 x 13
= 260 [tex]m^{2}[/tex]
The range of values of the area = 259.4 [tex]m^{2}[/tex] < Area < 260.5 [tex]m^{2}[/tex]
will give 10 points Which line has an x-intercept of 4?
2 x+ 2 y = -8
4 x + y = 8
-2 x + 2 y = -8
-4 x + y = 8
Shoppers at a mall have a mean weight of 70 kg 70kg70, start text, k, g, end text with a standard deviation of 10 kg 10kg10, start text, k, g, end text. An elevator at the mall holds a maximum of 6 66 people, and safety engineers are curious about the average weight of shoppers on a full elevator. Suppose that we take random samples of 6 66 shoppers and calculate the mean weight x ˉ x ˉ x, with, \bar, on top of the shoppers in each sample.
Answer:
The answer is below
Step-by-step explanation:
Shoppers at a mall have a mean weight of 70 kg with a standard deviation of 10 kg. An elevator at the mall holds a maximum of 6 people, and safety engineers are curious about the average weight of shoppers on a full elevator. Suppose that we take random samples of 6 shoppers and calculate the mean weight x ˉ on top of the shoppers in each sample.
Solution:
Let variable x represent the weight of a shopper at the mall.
Assuming this variable has a normal distribution with mean μ= 70kg and standard deviation σ = 10kg.
There are random samples of 6 shoppers. That is sample size (n) = 6
The mean of the sample (μₓ) is the same as the mean of the population (μ), hence:
μₓ = μ = 70 kg
The standard deviation of the sample (σₓ) is equal to the standard deviation of the population (σ) divided by the square root of the sample size (n).. Hence:
σₓ = σ / √n = 10 / √6 = 4.08 kg
Answer:
Mean: 70
Standard Deviation: 4.1
Step-by-step explanation:
Khan Academy Answer
The vertices of triangle JKL are J(–2, 3), K(1, 6), and L(3, –2). Which type of triangle best describes triangle JKL
A. right scalene
B. non-right scalene
C. right isosceles
D. non-right isosceles
Answer:
Scalene triangle or right scalene triangle is correct
Step-by-step explanation:
HELP ME PLEASE!!! HURRY
Answer:
Option c
Step-by-step explanation:
The answer is 8 pi r
Pleasee help what’s the lateral surface area please help
Answer:
Lateral surface area of the cuboid = 84 square inch
Total surface area = 119.28 square inch
Step-by-step explanation:
Lateral surface of the cuboid = Total surface area of the cuboid - Area of the top and base of the cuboid
Total surface area = 2(lb + bh + hl) - 2(lb)
Here, l = length of the cuboid
b = width of the cuboid
h = height of the cuboid
Therefore, Lateral surface area of the given cuboid = 2(bh + hl)
= 2(2.1 × 4) + 2(4 × 8.4)
= 16.8 + 67.2
= 84 square inch
Total surface area of the cuboid = 2(8.4×2.1 + 2.1×4 + 4×8.4)
= 2(17.64 + 8.4 + 33.6)
= 2(59.64)
= 119.28 square inch
A $240 suitcase is marked up 40%, and then reduced on sale 20% discount is given. What is the final price on the suit case?
Answer:
$134.40
Step-by-step explanation:
40 % of $120 = 120*40/100 = $48
= 120 + 48 =$168
20% of $168 = 168*20/100 = $33.60
= 168 - 33.60 = $134.40
I need help please help