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The table shows the mean number of basketball goals made by four random samples of players from the school team during this year’s season. Sample # Sample Mean Number of Goals 1 7 2 4 3 5 4 8 Is a valid prediction for the mean of the population possible using these samples? No, there are not enough samples. Yes, the sample means are all less than 10. Yes, the variation of the sample means is small. No, the variation of the sample means is too great.
Answer:
Answer is C
Step-by-step explanation:
There is not enough samples.
Answer:
Yes, the variation of the sample means is small.
Step-by-step explanation:
If oranges cost 5 for 75cents how
many can you buy for $2.70?
Answer:
15 oranges
Step-by-step explanation:
Only if im correct in assuming you get 5 oranges per 75 cents if not then im not sure because im confused by the question
What’s the slope of the line on the graph?
If a bag contains 12 quarters, 6 dimes and 18 nickels what is the part to whole ratio of nickels to all coins?
Answer:
18:36
Step-by-step explanation:
their are 18 nickels and 12+6+18=36 total coins
so the ratio is 18 to 36 or 18:36
Solve the quadratic equation and give both solutions.
14x^2 − 29x − 15 = 0
Answer:
Step-by-step explanation:
[tex]x_{1,\:2}=\frac{-\left(-29\right)\pm \sqrt{\left(-29\right)^2-4\cdot \:14\left(-15\right)}}{2\cdot \:14}[/tex] so [tex]x=\frac{5}{2}[/tex] [tex]x=-\frac{3}{7}[/tex]
If on a scale drawing 100 feet are represented by 15 inches, then a scale of 1/2 inches represents how many feet
Answer:
3 1/3 feet
Step-by-step explanation:
100 feet : 15 inches
3 1/3 feet : 1/2 inch
Answer:
[tex]3\frac{1}{3}[/tex] feet
Step-by-step explanation:
Inches : Feet = 15 : 100
Let 'x' be the feet required to find
15 : 100 :: 1/2 : x
Product of extremes = product of means
15 * x = 100 * (1/2)
15 * x = 50
x = 50/15
x = 10/3
x = [tex]3\frac{1}{3}[/tex]
If f(x)=3, what is the value of f(-7)?
What is the GCF of x2 - 64?
Pls I really need help!
Answer:
The greatest common factor of x2-64 is 1
Step-by-step explanation:
Determine the unknown side of the similar triangle.
A)
2
B)
3
4
D)
5
Answer:
(C). 4
Step-by-step explanation:
Sides of the similar triangles are proportional.
if X ~ Y , then [tex]\frac{12}{6}[/tex] = [tex]\frac{8}{x}[/tex] ⇒ x = 4
<3 and <4 are vertical. m<3=5x+22 and m<4=7x+2. Find the measure of each angl.
Answer:
72°
Step-by-step explanation:
Vertical angles are congruent.
m∠3 = m∠4
7x + 2 = 5x + 22
2x = 20
x = 10
m∠3 = m∠4 = 72°
Boris buys candy that costs $7 per pound. He will spend at least $63 on candy. What are the possible numbers of pounds he will buy?
Answer:
Anything above 9
Step-by-step explanation:
63/7=9
Helpppppppp pleaseeeee
Answer:
108 cm^2
Step-by-step explanation:
A= 1/2 b×h
so
1/2 12×18
A system of equations is graphed on the coordinate plane.
y=−2x−4y=2x+4
What is the solution to the system of equations?
Answer:
No solution
Step-by-step explanation:
noah entered a bike race.He used his red bike because he read that red vehicles get speedjng tickets most often. He rode 32 miles in 160 minutes. How many minutes did it take him to cover 1 min?
choose the letter that corresponds to the correct answer
Answer:
A
Step-by-step explanation:
which number is IRRATIONAL
Answer:
C the square root of 15
Step-by-step explanation:
sqrt of 15 = 3.87298335...
Brainliest?
Solve the following
Answer:
Q1
|a-b| = b-a when a<b
Q2
104159/33000
Step-by-step explanation:
Q1
If a<b then a-b will always be negative. To get the absolute value, we can take -(a-b) = -a+b = b-a.
Q2
Let x = 3.12789789789...
We isolate the repeating decimal to start after the decimal, so we multiply by 100.
100x = 312.789789789...
We want to multiply by 10 for each digit that repeats (in this case 3), to get the repeating part to the left of the decimal.
100000x = 312789.789789
Subtracting the two...
x(100000-100) = 312789.789789 - 312.789789
99900x = 312477
x = 312477/99000 = 104159/33000
here's the question
what is the value of |3.25| ?
Answer:
3.25
Step-by-step explanation:
The answer is 3.25 because the absolute value of a number is basically that same number but it ALWAYS comes out positive.
Hope this helps :)
The value of |3.25 according to the question is; 3.25|.
The absolute value of a number is always positive irrespective of its initial sign polarity.
As such, since the number 3.25 is nested in the | | sign.The absolute value is 3.25.
Read more:
https://brainly.com/question/17297316
A dog has three puppies. Spot weighs 12 ounces. Rascal weighs 9.5 ounces. Socks weighs 10.2 ounces. What is the total weight of the litter expressed to the correct number of significant figures?
a. 31.7 ounces
b. 31 ounces
c. 32 ounces
d. 30 ounces
e. 31.70 ounces
Answer:
c. 32 ounces
Step-by-step explanation:
Given that:
The weight of the Spot = 12 ounces
The weight of Rascal = 9.5 ounces; &
The weight of Socks = 10.2 ounces.
To find the litters' total weight, we will sum all the given number of the puppies.
i.e. Total weight of the litter = (12 + 9.5 + 10.2) ounces
Total weight of the litter = 31.7 ounces
Total weight of the litter [tex]\simeq[/tex] 32 ounces to the correct number of significant figures.
Find the value of 4+ (27 - 12.2) - 2.
19
5.5
3.5
Answer:
5.5
Step-by-step explanation:
Find the midpoint of the line segment with the given endpoints. R(-12, 8), S(6, 12)
1 (-3, 10) 2 (9, 2) 3 (10. -3) 4 (-9.2)
Answer:
The answer is one.
Step-by-step explanation:
Solve for k. simplify the answer
Answer:
c=5/2k+ −45/2
Step-by-step explanation:
Answer:
K= 9 + 2/5C
Step-by-step explanation:
1. Remove the parentheses
C= 5/2 x (k-9)
2. Multiply both sides
C= 5/2k- 45/2
3. Move the terms
2C= 5k- 45
4. Divide both sides
-5k= -45- 2C
5. Write in parametric form
k=9 + 2/5C
Find the slope of the following line: y=6x+1
Answer:
m=6 x-intercept = ( ---- ----1,0,6) y-intercept =(0,1)
Step-by-step explanation:
Slope= rise and run Since 6 is essentially 6-1 we know that the slope goes up to 6 units and right 1 unit on a graph.
Make sure to brainliest
Which finction results in f(2)=13?
Answer:
6.5
Step-by-step explanation:
plz mark brainlyest
Find the Lowest Score bounding upper 5%. The mean is 35 and the SD is 7
Answer:
get the mean deviation
write the slope-intercept form of the equation of each line. identify the slopes y-intercept.
Answer:
1. 3,0,y=3x
2. -3/5, 1, y=-3/5x+1
3. -2/3, -4,y=-2/3x-4
4. 0, 4, y=4
5. 1, 5, y=x+5
6. 2, 0, y=2x
7. 4, 5, y=4x+5
8. 3/2, 4, y=3/2x+4
hopefully this helps :)
Adele made cupcakes and cookies. The number of cookies she made is five times as many as the number of cupcakes she made.
If she made 190 cookies, how many cupcakes did she make?
A. 190/5
B. 190+5
C. 190 times 5
D. 5/190
Answer:
A. 190/5.
Step-by-step explanation:
Adele made 190 cookies, which is five times the amount of cupcakes she made. To find the amount of cupcakes she made, we must divide 190 by 5. By doing this we get the answer: 38 cupcakes.
Hope this helps! Let me know!
A child has fewer than 40 baseball cards. If he puts them in piles of 2, 4, 8, or 12 he has one card left over each time. How many baseball cards does he have?
The child has 25 baseball cards.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
The total number of cards the child has can be calculated using the steps below.
We can use the following steps:
- Prime factorization of each number:
2= 2
4= 2²
8 = 2³
12 = 2² x 3
- For each prime factor, choose the maximum exponent in any row, and multiply those together to get the least common multiple.
i.e
The maximum exponent of 2 is 3 and the exponent of 3 is 1.
- The least common multiple.
= 2³ x [tex]3^1[/tex]
= 24
- Add one to get the total number of cards.
Now,
The child's baseball cards.
= 24 + 1
= 25
Therefore,
The child has 25 baseball cards.
Learn more about expressions here:
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Which of the following fractions is closest to
5/8
2/3
13/20
11/16
