Answer:
) -x*+5x=5. & x*-} x + 2x + x +4. 22 / 3 x ² - 1 / 8x + 5 x² { x + 5. --** - *-3.
Answer: y= 2x^3
Step-by-step explanation:
Can someone please Solve x^2+2x -3 =x^2
The answer i worked out is x=3/2
Find the area of the circle.
Answer:
uhhh i got 113.09, so im assuming its 113.04
This is strange there's some sort of mistake with I-ready
Step-by-step explanation:
A researcher wants to see if a kelp extract helps prevent frost damage on tomato plants. One hundred tomato plants in individual containers are randomly assigned to two different groups. Plants in both groups are treated identically, except that the plants in group 1 are sprayed weekly with a kelp extract, while the plants in group 2 are not. After the first frost, 12 of the 50 plants in group 1 exhibited damage and 18 of the 50 plants in group 2 showed damage. Let p1 be the actual proportion of all tomato plants of this variety that would experience damage under the kelp treatment, and let p2 be the actual proportion of all tomato plants of this variety that would experience damage under the no-kelp treatment.
Required:
Construct and interpret a 95% confidence interval for the true difference in the proportion of tomato plants like these that would experience damage after receiving the kelp treatment and no-kelp treatment.
Answer:
The 95% confidence interval for the true difference in the proportion of tomato plants like these that would experience damage after receiving the kelp treatment and no kelp treatment is -0.2690 < [tex]\hat{p}_1-\hat{p}_2[/tex] < 0.02901
Step-by-step explanation:
The given data are;
The number of the group 1 plants that exhibited damage = 12
The number of plants in group 1, n₁ = 50
The number of the group 2 plants that exhibited damage = 18
The number of plants in group 2, n₂ = 50
The proportion of group 1 plants that exhibited damage, [tex]\hat p_1[/tex] = 12/50 = 0.24
The proportion of group 2 plants that exhibited damage, [tex]\hat p_2[/tex] = 18/50 = 0.36
The z-value at 95% = 1.64
The confidence interval is given by the following formula;
[tex]C.I. = \hat{p}_1-\hat{p}_2\pm z^{*}\sqrt{\dfrac{\hat{p}_1\left (1-\hat{p}_1 \right )}{n_{1}}+\dfrac{\hat{p}_2\left (1-\hat{p}_2 \right )}{n_{2}}}[/tex]
Plugging in the values, we get;
[tex]C.I. = 0.24-0.36\pm 1.64 \times \sqrt{\dfrac{0.24\left (1-0.24 \right )}{50}+\dfrac{0.36\left (1-0.36 \right )}{50}}[/tex]
Therefore, C.I. = -0.2690 < [tex]\hat{p}_1-\hat{p}_2[/tex] < 0.02901
5 11/12 + 3 9/12? Step by step
Answer:
Simplified: 9 2/3
Step-by-step explanation:
Convert the mixed numbers into improper fractions
To do this, multiply the denominator by the whole number and add the numerator: (denominator × whole number + numerator)/denoninator
First fraction:
5 11/12
(12 × 5 + 11)/12
(60 + 11)/12
71/12
Next fraction:
3 9/12
(12 × 3 + 9)/12
(36 + 9)/12
45/12
Substitute these fractions in the original problem now:
71/12 + 45/12
Add the numerators only. The denominators stay the same.
(71 + 45)/12
116/12
Now that the calculations are done, convert this back into a whole number
How many times does 12 fit into 116 equally? If you answered 9 times, then you are correct. This 9 will sit as the whole number in the fraction
12 × 9 = 108
This doesn't equal 116 perfectly so we must find the left over
116 - 108 = 8 left over (which is used as the numerator)
9 8/12
If your class or problem asks that you simplify your answer, then look at both the numerator and denominator to determine any common factors within them
8 and 12 both have common factors of 2 and 4
Since 4 is the bigger number, divide both 8 and 12 by 4 to simplify your answer
9 2/3
PLEASE HELP!
2 $3.20
3 $4.80
4 $6.40
PLEASE HELP ME THANK YOU!!!
Answer:
Step-by-step explanation:
the rate of change is 1.60
you can easily see that by comparing the number of chips and the cost
A quadrilateral has angles that measure 60 , 115, and 80°. What is the measure of the missing angle?
Answer:
105
Step-by-step explanation:
The sum of a quadrilateral's angles is always equal to 360
360 - 60 - 115 - 80 = 105
Hope this helps :)
A construction company pours concrete at a constant rate to make a sidewalk. There are 1,054 cubic feet of concrete available, and 6.2 cubic feet of concrete is poured each minute. The equation below shows the total volume, in cubic feet, of concrete remaining minutes after the construction company begins to pour the concrete.
Answer:
Step-by-step explanation:picture of problem please
Can you help me do thiss? pls
Answer:
walk = 9/30 - bike = 3/30 - car = 6/30 - bus = 12/30
Step-by-step explanation:
what is 4.5609+3.098
Answer:
7.6589
Step-by-step explanation:
What are the solutions to the quadric equation x^2-16=0
Answer:
x=4, x=-4
Step-by-step explanation:
x^2-16=0
Add 16 to both sides;
x^2-16+16=0+16
Simplify;
x^2=16
x=[tex]\sqrt{16}[/tex], x[tex]-\sqrt{16}[/tex]
[tex]\sqrt{16}[/tex]
=4
factor the number;16
[tex]\sqrt{4^2}[/tex]
=[tex]\sqrt{4}[/tex]
-[tex]\sqrt{16}[/tex]
Factor the number 16;
[tex]\sqrt{4^2}[/tex]
=-4
Eric has 4 lb of blueberries to make into pie. How many pies can Eric make if each pie needs the given amount of blueberries.
Answer:
2 pies because you need 2 lb for each pie
Step-by-step explanation:
A company uses this formula to work out the cost, £A, of a taxi ride.
A = 5 + 1.9m + b
£5 is a fixed charge
m is the number of miles travelled
£b is a charge for booking online
a) Harry books a taxi online and travels 12 miles.
He pays £29.48 altogether.
How much is the charge for booking online?
b) If Sue books online and travels 20 miles, what will be
Answer:
£b = £1.68
A = £44.68
Step-by-step explanation:
Given:
A = 5 + 1.9m + b
Where,
A = total cost
m = number of miles travelled
£b = charge for booking online
£5 = fixed charge
A. Harry
A = £29.48
m = 12 miles
£b = ?
A = 5 + 1.9m + b
29.48 = 5 + 1.9(12) + b
29.48 = 5 + 22.8 + b
29.48 = 27.8 + b
29.48 - 27.8 = b
b = 1.68
£b = £1.68
b) If Sue books online and travels 20 miles, what will be
A = 5 + 1.9m + b
= 5 + 1.9(20) + 1.68
= 5 + 38 + 1.68
= 44.68
A = £44.68
Translate this sentence into an inequality:
Five subtracted from c is less than −17
Answer:
-17 < c < 5
Step-by-step explanation:
I think that's the answer
I can't confirm anything
Find the area of the polygon
Answer:
14 square units
s i g h
y o u w i l l g e t 5 0 p o i n t s .
Answer:
d=4
Step-by-step explanation:
because 6x4=24
-6x4=-24
Given the side lengths, determine whether the triangle is acute, right, obtuse, or not a triangle.
15, 16, 21
A Not a Triangle
B Acute
Obtuse
D Right
9514 1404 393
Answer:
B acute
Step-by-step explanation:
We can define a "form factor" for a triangle as ...
f = a² +b² -c²
where c is the longest side length. It will be interpreted as follows:
negative -- obtuse trianglezero -- right trianglepositive -- acute triangleFor this triangle, our "form factor" is ...
f = 15² +16² -21² = 225 +256 -441 = 40 . . . . a positive number
The triangle is Acute.
Whats the relationship between a and b
they are supplemen angles
I have 6 yard of ribbon i want to make ornaments that use 1/4 yard each how many ornaments can I make
Answer:
24
Step-by-step explanation:
It take 4 to make one yard and you need six yards soo..
6 x 4 = 24
Answer:
24 ornaments
Step-by-step explanation:
[tex]\frac{1}{4} = 25%[/tex]%
6 yards x 0.25 = 1.5 yards
[tex]\frac{6}{0.25} = 24[/tex] ornaments
to check:
24 ornaments x 0.25 yards each = 6 yards in total
Distribute and Combine Like Terms. 2(x + 7) - 2x
Answer:
14
Step-by-step explanation:
You just multiply 2 to (x + 7) which gets you 2x + 14 and then subtract 2x from 2x seeing as they are like terms and you end up with 14.
The growing interest in and use of the Internet have forced many companies into considering ways to sell their products on the Web. Therefore, it is of interest to these companies to determine who is using the Web. A statistics practitioner undertook a study to determine how education and Internet use are connected. She took a random sample of 15 adults (20 years of age and older) and asked each to report the years of education they had completed and the number of hours of Internet use in the previous week. These data follow.
Education 11 11 8 13 17 11 11 11
Internet use 10 5 0 14 24 0 15 12
Education 19 13 15 9 15 15 11
Internet use 20 10 5 8 12 15 0
a. Employ a suitable graph to depict the data.
b. Does it appear that there is a linear relationship between the two variables? If so, describe it.
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data:
Education : 11 11 8 13 17 11 11 11 19 13 15 9 15 15 11
Internet use 10 5 0 14 24 0 15 12 20 10 5 8 12 15 0
Labeled scatter plot of Education and Internet Use is attached in the picture below.
Yes there appears to be a linear relationship between the two variables (Education and Internet Use) as the data points appears to have an upward trend depicted by the linear trend line in the graph.
The correlation Coefficient value which is measures the degree of linear relationship between education and internet use is 0.7048
Which expression is equivalent to −3 2/3
Answer:
The answer is -3 - 2/3
Step-by-step explanation:
Just subtract
The area of the Pacific Ocean is more than 60 million square miles.
What is that in scientific notation?
0 6 x 107
0 6x 107
60 x 10-6
60 106
The scientific notation for this is :-6x10⁷
D
E
с
Look at ABC. Points D, E, and F are the midpoints of their respective sides. Point G is the point of
concurrency for AD BE. and CF.
Which statement about point G is NOT true?
Answer:
D. Point G is the center of a circle that can be inscribe in ΔABC
Step-by-step explanation:
To inscribe implies constructing a required shape or figure within a given shape, thus touching the boundaries or sides of the given shape internally.
In the given figure if point G is used as the center of a circle, it would not form an inscribed circle in the given triangle. So that the appropriate answer is Point G is the center of a circle that can be inscribe in ΔABC. Thus, option D is not true.
Answer:
this was correct
Step-by-step explanation:
thank u
look at picture for question. will mark brainilest please
Answer:
b. 3 pounds
.............
A
9
Kylie drives 291 miles in 6 hours.
(a) What is her average speed?
Answer:
48.5 m/s
Step-by-step explanation:
291/6 = 48.5
Find the Borda score for the Mustangs in a competition between Mustangs, Avengers, Falcons and Ravens. The voting results by preference are shown:
MAFR: 3
AMFR: 6
FAMR: 1
RAFM: 4
Answer:MAFR: 3
Step-by-step explanation:
x/64 = 2 im being timed
Answer:
128
Step-by-step explanation:
x/64=2
x=64*2
x=128
Answer:
=128
Step-by-step explanation:
64=2
64⋅64=64⋅2
64⋅64=64⋅2
=64⋅2
=64⋅2
=128
hope it helps <3
find the area of the kite please. image included!!!
Click or tap the location where the first dot should be
placed.
CI
Answer:
C.I
Step-by-step explanation:
Answer:
two on the top
one to the left
two to the right
two on the bottom
Step-by-step explanation:
Please help, this is due in 30 minutes
Answer:
i think the first one maybe... not so sure
Answer:
Should be B and D
Step-by-step explanation:
You plug in the first number before the comma, and if it equals the second number after the comma then the point 'satisfies the equation'.