Answer:
x-1
Step-by-step explanation:
-16+1 16-15=1
To get -15 move 1 in the positive direction or backwards
or if this helps ignor the - and just subtract 16 from 15
Answer:
x = 1
Step-by-step explanation:
Add 16 to each side, so it now looks like this: x = 1I hope this helps!
Translate 2 3 y − 9 < y + 1 into a sentence. Nine than two-thirds of number is less than the number .
The sentence translation of "2/3y - 9 < y + 1" is "Nine less than two-thirds of a number is less than the number."
To translate the inequality expression "2/3y - 9 < y + 1" into a sentence, we can break it down into smaller parts:
"2/3y" represents two-thirds of a number.
"9" represents the number nine.
"y + 1" represents the number increased by one.
Now let's construct the sentence:
"Nine less than two-thirds of a number" - This refers to the expression "2/3y - 9," indicating that we have subtracted nine from two-thirds of a number.
"is less than" - This is the comparison symbol in the inequality.
"the number" - This refers to the expression "y + 1," representing the number increased by one.
Combining these parts, we form the sentence: "Nine less than two-thirds of a number is less than the number."
Hence, the correct sentence translation of "2/3y - 9 < y + 1" is "Nine less than two-thirds of a number is less than the number."
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Graph the systems of inequalities
Answer: The graph would look like this:
Step-by-step explanation:
The diagram shows a triangle.
31° / 6x / x+16°
What is the value of x?
Step-by-step explanation:
31 + 6x + x + 16 = 180
7x + 47 = 180
7x = 180 - 47
x = 133/7
x = 19
Study this table.
x
y
–3
–2
–2
0
0
4
4
12
Which best describes the function represented by the data in the table?
linear with a common ratio of 2
linear with a common first difference of 2
quadratic with a common ratio of 2
quadratic with a common first difference of 2
Thomas lives more than 0.55 km and less than 0.75 km from his school.
Thomas lives from his school?
A. 0.06 km
B 0.50 km
c. 0.60 km
D. 1.30 km
0.60 km which I got from https://quizizz.com
What is the correct order of the functions from least to greasiest according to the average rate of change on the interval from x-1 to x =3
A triangle with an area of 10 square meters has a height of 4.5 meters. A similar triangle has an area of 90 square meters. What is the height of the larger triangle?
A) The ratio of the area of the small triangle to the area of the larger triangle is _:_
B) The ratio of the side length of the small triangle to the side length of the larger triangle is _:_
Answer:
h = 40.5 m
A) 1 : 9
B) 1 : 3
Step-by-step explanation:
Let the height of the larger triangle be h
Therefore,
\( \frac{10}{90}= \frac{4.5}{h}\\\\
\frac{1}{9}= \frac{4.5}{h}\\\\
h = 9\times 4.5\\\\
h = 40.5\:m\\\)
A)
The ratio of the area of small triangle to the large triangle
\( =\frac{10}{90}=\frac{1}{9}=1 : 9\)
B)
The ratio of the side length of small triangle to the side length of large triangle
\( =\sqrt{\frac{10}{90}} =\sqrt {\frac{1}{9}} =1 : 3
\)
the roof of a factory rises vertically 6ft through a horizontal run of 27ft. What is the pitch of the roof?
Answer:
33ft
Step-by-step explanation:
27ft + 6ft =
33ft.
check
Someone help me with this
Answer:
Step-by-step explanation:
When 1370 subjects were asked, "On how many days in the past 7 days have you felt lonely?" the mean was 1.5 and the standard deviation was 2.16. The margin of error for a 95% confidence interval for the population mean is 0.12. Construct that confidence interval, and interpret it. The confidence interval goes from nothing to nothing. (Round to two decimal places as needed.)
Answer:
Confidence Interval = (1.41, 1.59)
Step-by-step explanation:
To construct a confidence interval for the population mean, we can use the following formula:
Confidence Interval = sample mean ± (margin of error * standard error)
where the standard error is equal to the standard deviation divided by the square root of the sample size.
Given the information provided, we can calculate the standard error as:
standard error = 2.16 / sqrt(1370) = 0.058
Then, we can calculate the margin of error as 0.12.
Substituting these values into the formula, we get:
Confidence Interval = 1.5 ± (0.12 * 0.058)
Confidence Interval = (1.41, 1.59)
Therefore, we can interpret the 95% confidence interval as follows: we are 95% confident that the true population mean of the number of days that people feel lonely in the past 7 days is between 1.41 and 1.59. This means that if we were to take many samples of 1370 subjects and compute the confidence intervals for each sample using the same method, we would expect about 95% of the intervals to contain the true population mean.
Convert 506 minutes to hours and minutes.
Answer:
8 hours and 26 minutes
Step-by-step explanation:
To convert 506 minutes to hours and minutes, we can use the fact that there are 60 minutes in one hour.
First, we can divide 506 by 60 to find the number of hours:
506 ÷ 60 = 8 with a remainder of 26
This means that 506 minutes is equal to 8 hours and 26 minutes.
Therefore, the conversion of 506 minutes to hours and minutes is:
8 hours and 26 minutes
An electronics retailer used regression to find a simple model to predict sales growth in the first quarter of the new year (January through March). The model is good for 90 days, where x is the day. The model can be written as follows:
ŷ = 103.38 + 2.45x
where ŷ is in thousands of dollars.
What would you predict the sales to be on day 60?
Using the regression model you predict the sales to be $ 250.38 on day 60.
What is a regression model?A regression model is an equation used to ascertain the relationship between two variables.
How to find what you would predict the sales to be on day 60?Given that an electronics retailer used regression to find a simple model to predict sales growth in the first quarter of the new year (January through March). The model is good for 90 days, where x is the day.
The model can be written as follows:
ŷ = 103.38 + 2.45x
where ŷ is in thousands of dollars.
Since we require the sales gtowth after 0 days, substituting x = 60 into the equation for the regression model, we have that
ŷ = 103.38 + 2.45x
ŷ = 103.38 + 2.45(60)
ŷ = 103.38 + 2.45(60)
ŷ = 103.38 + 147
ŷ = 250.38
So, you predict the sales to be $ 250.38 on day 60.
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Rotation 90° clockwise about the origin
N
O
G
An image of triangle NOG after a rotation 90° clockwise about the origin is shown below.
What is a rotation?In Mathematics and Geometry, a rotation is a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction.
Next, we would apply a rotation of 90° clockwise about the origin to the coordinate of this triangle NOG in order to determine the coordinate of its image;
(x, y) → (y, -x)
Point N = (-4, -1) → Point N' (-1, 4)
Point O = (-4, -3) → Point O' (-3, 4)
Point G = (0, -1) → Point G' (-1, 0)
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Under typical conditions, 1 \(\frac{1}{2}\) feet of snow will melt in 2 inches of water. How many inches of water will it take to melt 1 \(\frac{3}{4}\) feet of snow?
Answer:
2\(\frac{1}{3}\)inches
Step-by-step explanation:
First, I would try to get the mixed numbers into improper fractions. Then, I try to make them have the same denominator so it is easier.
1\(\frac{1}{2}\)feet --- 2 inches
\(\frac{3}{2}\)feet --- 2 inches
\(\frac{6}{4}\)feet --- 2 inches
1\(\frac{3}{4}\)feet --- ? inches
\(\frac{7}{4}\)feet --- ? inches
\(\frac{7}{4}\)feet --- \(\frac{7}{6}\) × 2 inches
= 2\(\frac{1}{3}\)inches
what is the area of the square if it’s 15 by 15
Answer:
225 is the answer
15 times 15
Step-by-step explanation:
pleaseeee helpppppp meeee
"Patricia drank one-fourth of the lemonade in her glass. Write an expression in terms of p that represents the number of ounces Patricia has left in her glass. Include two terms in your expression."
Answer:
The amount of lemonade Patricia drank is 1/4 p ounces.
Step-by-step explanation:
Answer:
The amount of lemonade Patricia drank is 1/4 p ounces.
I just did this in edmentum
Step-by-step explanation:
Find the gradients of lines A and B
The correct answer is (1,1) because both of the lines meet together at these numbers
HELP ME PLEASEEEEEEEEEEEEEEEEEEE
Answer:
The answer is C: Rectangular Prism
Step-by-step explanation:
Determine the measure of x in the diagram below:
x = °
The measure of angle x on the straight line is 130 degrees.
What is the measure of angle x?The sum of interior angles in a triangle equals 180 degrees.
To determine the value of x, we first determine its suplemetary angle x .
Hence:
40 + 90 + ( suplemetary angle of x ) = 180
Solve for the suplementary angle:
130 + ( suplemetary angle of x ) = 180
Suplementary angle of x = 180 - 130
Suplemetary angle of x = 50 degree
Now, we can find the measure of angle x.
Note that, sum of angles on a straight line equals 180 degree.
Hence:
x + ( suplemetary angle of x ) = 180
x + 50 = 180
Solve for x
x = 180 - 50
x = 130 degrees.
Therefore, the value of x is 130 degrees.
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Determine whether each ordered pair is a solution of the equation y=2x+6
The equation does not hold true, the ordered pair (3, 10) is not a solution of the equation y = 2x + 6.In this way, we can determine whether an ordered pair is a solution of the given equation or not.
Given the equation y = 2x + 6To determine if an ordered pair is a solution of this equation or not, substitute the values of x and y in the equation. If the equation holds true, then the ordered pair is a solution.
If it is not true, then the ordered pair is not a solution.For example, let's consider the ordered pair (1, 8).
Here, x = 1 and y = 8.Substituting these values in the given equation,
we get: y = 2x + 6 => 8 = 2(1) + 6 => 8 = 8 Since the equation holds true,
the ordered pair (1, 8) is a solution of the equation y = 2x + 6.
Now, let's consider another ordered pair, say (3, 10). Here, x = 3 and y = 10.Substituting these values in the given equation, we get: y = 2x + 6 => 10 = 2(3) + 6 => 10 = 12
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n kmjknxcizfdhzkjxfsbvdnkjbchsgnfdb,mfvs cfnbgsuhkjfcbm
Answer:
huh thanks for the points ig :)
Step-by-step explanation:
A company created a new container in the shape of a
triangular prism that will hold sunflower seeds. A three-
dimensional image of the container is shown below, as
well as a two-dimensional image of the base.
6 in.
3.2 in.
2 in.
3.2 in.
1 in.
square inches
1 in.
The container will be made from cardboard. How many
square inches of cardboard are needed to make one
container? Assume there are no overlapping areas.
The number of square inches of cardboard that are needed to make one
the container is 18.
We have,
The volume of the triangular prism.
= Area of the triangle x height
Now,
Height = 6 in
And,
To find the area of a triangle, we can use Heron's formula.
A = √(s(s-a)(s-b)(s-c))
where s is the semi-perimeter of the triangle, calculated as:
s = (a + b + c) / 2
In this case, the side lengths of the triangle are 3.2 in, 3.2 in, and 2 in.
Let's calculate the area using Heron's formula:
s = (3.2 + 3.2 + 2) / 2 = 4.2
A = √(4.2(4.2 - 3.2)(4.2 - 3.2)(4.2 - 2))
A = √(4.2 x 1 x 1 x 2.2)
A = √(9.24)
A ≈ 3.04 square inches
Now,
The volume of the triangular prism.
= Area of the triangle x height
= 3.04 x 6
= 18.24 in²
Now,
Area of one cardboard.
= 1² in²
= 1 in²
Now,
The number of square inches of cardboard that are needed to make one
container.
= The volume of the triangular prism / Area of one cardboard
= 18.24 in² / 1 in²
= 18.24
= 18
Therefore,
The number of square inches of cardboard that are needed to make one
the container is 18.
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A quadratic function has 2 distinct roots. Always never sometimes
Answer:
Always
Step-by-step explanation:
\(ax^{2} + bx + c = 0\)
Examine the following typical corporate bond listing:
In the name column, NYTel is the abbreviated name of the company (New York Telephone) issuing the bond. What was the closing price of the bond? What was the dollar amount? (See attachments)
a. 101 3/4; $101,750
b. 7 1/4; $7250
c. 101 3/4; $1017.50
d. 107 1/4; $1072.50
Answer:
C. 101 3/4; $1017.50
Step-by-step explanation:
Correct on E2020!
Which of the following most clearly defines an undefined geometric object? (Click picture).
Answer:
A is the correct answer
linear or nonlinear
Answer:
Linear
Step-by-step explanation:
It increases by a steady rate, so it is linear.
Given the function, check all transformations that occurred from the graph of the function y=x^2
Answer: left 7 units, up 4 units, and vertical compression
Step-by-step explanation:
Given
The function is \(y=x^2\)
First shift it to the left by 7 units, so the function becomes
\(y=(x+7)^2\)
Now compress it to make it one-third
\(y=\dfrac{1}{3}(x+7)^2\)
Now, sift the graph upward by 4 units
\(y=\dfrac{1}{3}(x+7)^2+4\)
Thus , the conditions are left 7 units, up 4 units, and vertical compression.
Given a circle with the equation ( x − 2 ) 2 + ( y − 3 ) 2 = 7 , which of the following represents the center and radius of the circle
Answer:
center (h,k)=(2,3)
Step-by-step explanation:
\(radius = \sqrt{ \frac{7}{2} } \)
A survey showed that 72% of
teens bought new athletic shoes for the
new school year. Based on that survey,
how many teens in a group of 225 bought
new athletic shoes for the new school
year?
Answer:
162
Step-by-step explanation:
225 x 0.72 = 162