Please help with the problem in the picture ^ I’ll give brainliest if you give me a small explanation! :)
Answers
Answer:
i got negative 108
Step-by-step explanation:
i got this because just put it in a porportion like x/y = x/?
then plug in the numbers it gives you. so it should look like this 5/-45 = 12/?
then multiply 12 and -45 and then divide by 5. you should get -108
pls mark branliest
Related Questions
Graph.
11. 3x + 2y <-6
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Allison traveled a distance of 130 miles in 2
1
hours. What was Allison's average driving
speed, in miles per hour?
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Allison's average driving speed in miles per hour is 65.
What is speed?Speed is the ratio of distance and time.
It shows how fast an object is moving at a given time.
We have,
130 miles = 2 hours
Divide 2 on both sides.
130/2 miles = 1 hour
65 miles = 1 hour
Thus,
The average speed is 65 miles per hour.
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What is the measure of angle A?
Enter your answer as a decimal in the box. Round your final answer to the nearest hundredth.
Answers
Answer: 45 degrees
Step-by-step explanation:
What’s is the solution
Answers
Answer:
(6, 3)
Step-by-step explanation:
It is hard to see the graph since it got cut, but if I look at it the two lines intersect on (6, 3) which would be your answer. Hope this helps, thank you :) !!
Use the symbols to model the situation on the number line.
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find the answer of 7x5, put a dot on the zero and go backwards from there till you reach 35 on the number line.
Graph of polygon ABCDE with vertices at negative 1 comma negative 4, negative 1 comma negative 1, 3 comma negative 1, 3 comma negative 4, 1 comma negative 6. A second polygon A prime B prime C prime D prime E prime with vertices at 13 comma negative 4, 13 comma negative 1, 9 comma negative 1, 9 comma negative 4, 11 comma negative 6.
Determine the line of reflection.
Reflection across the x-axis
Reflection across x = 6
Reflection across y = −3
Reflection across the y-axis
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The reflection line that maps polygon ABCDE to polygon A' B' C' D' E' is the y-axis.
What do you mean by reflective line?The image is reflected through a line known as a reflection line. A pattern is said to mirror another pattern, and then every point in the pattern is equidistant from every corresponding point in the other pattern. The reflected image must be the same shape and size, but the image is in the opposite direction.
In order to determine the line of reflection that maps polygon ABCDE to polygon A' B' C' D' E', we must find a symmetrical line equidistant from each corresponding pair of points. If you project the image across the x-axis, vertex A (-1, -4) is mapped to A' (13, -4) and vertex E (1, -6) is mapped to E'. (11, 6). Therefore, the reflection line must be the x-axis.
If we map the image to the cross x=6, vertex A (-1, -4) would correspond to A' (13, -4) and vertex E (1, -6) would correspond to E' (3, 6). ). Therefore, the reflection line cannot be x=6.
If we project the pattern perpendicular to y=-3, the point A (-1, -4) is opposite to the point A' (-7, -4) and the vertex E (1, -6) to the point E . (7, 6). Therefore, the reflection line cannot be y=-3.
If you project the image across the y-axis, point A (-1, -4) is mapped to point A' (-13, -4) and vertex E (1, -6) is mapped to E. (-11 , 6). Therefore, the reflection line must be the y-axis.
Therefore, the reflection line that maps polygon ABCDE to polygon A' B' C' D' E' is the y-axis.
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Rewrite the expression using only positive integer exponents.
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Is this correspondence a function?
Answers
Explanation: A function is a correspondence between two sets where each element in the first set, called the domain, corresponds to exactly one element in the second set, called the range.
...
At a party there are 40 prizes, which are either kazoos or whistles. The tape diagram shows the ratio of kazoos to whistles.
Complete the table.
Original ratio Prizes at the party
Kazoos 3 : -
Whistles 5 : -
Total prizes - :40
Answers
Out of the 40 prizes, 15 prizes were for Kazoos and 35 prizes were for whistle
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given the diagram, the ratio is represented, hence:
Number of Kazoos = (3/8) * 40 = 15
Number of whistles = (5/8) * 40 = 35
Out of the 40 prizes, 15 prizes were for Kazoos and 35 prizes were for whistle
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Write the equation for line in slope intercept form, given the point (3,-7) and slope = 9.
Answers
Answer:
y = 9x - 34
Step-by-step explanation:
(3 , -7) ; slope (m) = 9
Slope intercept form:
y - y1 = m(x -x1)
y - [-7] = 9 (x - 3)
y + 7 = 9*x - 9*3
y + 7 = 9x - 27
y = 9x - 27 - 7
y = 9x - 34
1 5/8 ÷ (−1 3/5) Please help
Answers
Evaluate the expression for b = 5
4b^2
Answers
Answer: 100
Step-by-step explanation:
Sub in 5 for b in the expression
\(4b^2\\4(5)^2\)
You must do the exponent first as it comes before multiplication in the order of operations
\(4(5)^2\\4(25)\)
Now multiply
\(4(25)\\100\)
What percent of 125 is 375?
A) 33.33%
B) 250%
C) 300%
D) 468.75%
Show work
Answers
Answer:
To find the percent of 125 that 375 is, we need to divide 375 by 125 and then multiply by 100.
375 / 125 = 3
So 375 is 3 times 125. Multiplying 3 by 100, we get:
3 * 100 = 300%
So the correct answer is C) 300%.
Succes!
Answer:
C) 300%
Step-by-step explanation:
Percent of 125 means the value of x/125.
Where x is the value 375.
375/125 = 3
3 * 1 =
3 * 100% = 300%
It can be mistaken as 33.33% since 125 is 33.33% of 375.
^^ This question is asking 125 is what percent of 375.
But remember, the question, 'What percent of 125 is 375?', is asking 375 is what percent of 125, not the other way around.
During the summer, the town pool is open for 7 1/2 hours during the day. Each lifeguard works a shift for 3/4 of an hour. How many shifts are there during the day? do it in fraction form
Answers
A sales representative receive a monthly salary of $1600 plus a commission of 3% of the total monthly sales. write a linear model that relates total monthly wages W to sales S
Answers
Answer:
The equation is W = 1600 + .03S
A radio tower is supported by heavy wires from the top of the tower to the ground. Each wire makes a 70° angle with the ground, and is anchored to the ground at a point 100 feet from the foot of the tower. What is the height of the tower?
Answers
Answer:
use the tangent function to set up an equation:
tan(70°) = h/100
We can then solve for h by multiplying both sides by 100 and taking the tangent of 70 degrees:
h = 100*tan(70°)
Using a calculator, we get:
h ≈ 315.96 feet
the height of the tower is approximately 315.96 feet.
Hope this helps! :)
what is the domain of h
Answers
h: The domain
-5 ≤ x ≤ 5
A password with 6 characters is randomly selected from the 26 letters of the alphabet.
What is the probability that the password does not have repeated letters, expressed to the nearest tenth of a percent?
Answers
We can see here that the probability that the password does not have repeated letters, expressed to the nearest tenth of a percent is = 9.8%.
What is probability?Probability is a measure of how likely an event is to happen. It is expressed as a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain.
The probability of an event can be calculated using the following formula:
Probability = Favorable Outcomes / Total Outcomes
The number of possible passwords is:
26 × 26 × 26 × 26 × 26 × 26 = 308,915,776.
The number of passwords with no repeated letters is
26P6 = 30,260,000.
The probability of a password having no repeated letters is
= 30,260,000 / 308,915,776 = 0.09779 = 9.78%.
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Use the image to determine the direction and angle of rotation. Graph of triangle ABC in quadrant 1 with point A at 1 comma 3. A second polygon A prime B prime C prime in quadrant 4 with point A prime at 3 comma negative 1. 90° clockwise rotation 180° clockwise rotation 180° counterclockwise rotation 90° counterclockwise rotation
Answers
First, we can find the translation vector that moves point A to point A':
translation vector = A' - A = (3, -1) - (1, 3) = (2, -4)
Next, we can find the vector that connects point B to point A in the original triangle ABC:
vector AB = B - A
Then, we can rotate this vector using the rotation matrix for the desired angle of rotation:
90° clockwise rotation:
|0 -1| |x| |y'|
|1 0| * |y| = | -x'|
180° clockwise rotation:
|-1 0| |x| |x'|
| 0 -1| * |y| = |y'|
180° counterclockwise rotation:
|-1 0| |x| |-x'|
| 0 -1| * |y| = |-y'|
90° counterclockwise rotation:
| 0 1| |x| |-y'|
|-1 0| * |y| = | x'|
Finally, we can add the translation vector to the rotated vector to get the coordinates of the corresponding point in the new polygon A' B' C':
90° clockwise rotation: B' = A' + (AB rotated 90° clockwise + translation)
180° clockwise rotation: B' = A' + (AB rotated 180° clockwise + translation)
180° counterclockwise rotation: B' = A' + (AB rotated 180° counterclockwise + translation)
90° counterclockwise rotation: B' = A' + (AB rotated 90° counterclockwise + translation)
Using this method, we can find the coordinates of points B' and C' in the new polygon A' B' C'. Then, we can use the coordinates of these points to determine the direction and angle of rotation needed to move the original triangle to the new polygon.
Pe un stadion se găsește un grup de sportiv cuprins între 50 și 100 care se pot grupa în coloane de câte 12 18:24 tarif fiecare dată rămân șase sportiv care nu pot forma o coloană completă care este numărul minim de sportiv? Va rog sa ma ajutati repede!!!!
Answers
Fill in the missing numbers to find an equivalent fraction to 3/4
Answers
hope this helps, have a nice day :))
What should you substitute for x in the second equation (bottom equation) in order to solve the system by the substitution method?
Answers
We substitute -1+1/6y for x in the second equation (bottom equation) in order to solve the system by the substitution method.
The given system of equations are 2x-1/3y = -2...(1)
3x+y=1...(2)
We solve this system of equations by using substitution method.
Let us solve for x in equation to substitute it in equation (2).
2x=-2+1/3y
Divide both sides of equation by 2.
x=-1+1/6y
Now plug in the value of x in equation 2.
Hence, we substitute -1+1/6y for x in the second equation (bottom equation) in order to solve the system by the substitution method.
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What is the total length of 30 newborn alligators
Answers
Answer:
285 ft
Step-by-step explanation:
pls mark brainiest, i need to rank up
PLEASE ANSWER - PLEASE ANSWER
The diagram shows triangle ABC. ABC and BED are straight lines. AB = 12.2cm, CD = 5.8cm, BE:ED = 3:1, Angle ADB = 90°, Angle ABD = 38°.
Work out the size of angle DCE, correct to 1 decimal place. SHOW ALL WORKING IN TEXT FORM, NO IMAGES.
Answers
The measure of angle DCE in this problem is given as follows:
m < DCE = 22.5º.
How to obtain the measure of angle DCE?The triangles in this problem are right triangles, meaning that the trigonometric ratios are used to find the measures.
The three trigonometric ratios are given as follows:
Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.The segment DB is adjacent to angle of 38º, while the hypotenuse is of 12.2 cm, hence the length of segment DB is calculated as follows:
cos(38º) = DB/12.2
DB = 12.2 x cosine of 38 degrees
DB = 9.6 cm.
BE:ED = 3:1, means that segment DE is one-fourth of segment DB, and thus it's length is given as follows:
DE = 1/4 x 9.6
DE = 2.4 cm.
Then for the angle DCE, we have that the opposite side is of 2.4 cm while the adjacent side is of 5.8 cm, hence the tangent is used to find it's measure, as follows:
tan(x) = 2.4/5.8
x = arctan(2.4/5.8)
x = 22.5º
m < DCE = 22.5º.
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Answer:
x = 22.5°
Step-by-step explanation:
BD = cos(38)*12.2 = 9.61DE = 9.61*¼ = 2.4∠DCE = tan(2.4/5.8) = 22.5°Select the correct answer.
Answers
Answer:it might be A
the volume of a rectangular prism is 10 cubic feet. what could the dimensions of the prism be
Answers
Answer: 2x5x1, 1x10x1 (in any order) and any 3 multiples that make 10
Step-by-step explanation:
Answer:
There are multiple possible sets of dimensions for a rectangular prism with a volume of 10 cubic feet. Here are some possible solutions:
A rectangular prism with dimensions of 1 ft x 2 ft x 5 ft (length x width x height) would have a volume of 10 cubic feet, since 1 x 2 x 5 = 10.
A rectangular prism with dimensions of 2 ft x 1 ft x 5 ft (length x width x height) would also have a volume of 10 cubic feet, since 2 x 1 x 5 = 10.
A rectangular prism with dimensions of 0.5 ft x 1 ft x 20 ft (length x width x height) would also have a volume of 10 cubic feet, since 0.5 x 1 x 20 = 10.
A rectangular prism with dimensions of 5 ft x 1 ft x 2 ft (length x width x height) would have a volume of 10 cubic feet, since 5 x 1 x 2 = 10.
There are infinitely many other possible sets of dimensions for a rectangular prism with a volume of 10 cubic feet.
Your school’s track teams have been training hard for the entire season. There is a girls’ track team and a boys’ track team. The running times for each girl and boy were recorded after each race. You will use the results to help you answer questions about fractions and mixed numbers. Use what you know about adding and subtracting fractions and mixed numbers during the project.
Answers
30 POINTS
On the coordinate plane shown, points A (-5, -6), B (2, -6), C (8, 5), and D (-7, 5) are plotted and connected with line segments to form a trapezoid.
What is the height of the trapezoid?
Group of answer choices
11 units
7 units
15 units
10 units
Answers
Answer:
Not sure but probably 11 units
Answer:
11 units because if u count up or down from the dot it will equal up to 11
can someone please solve and explain how you got your answer, WILL GIVE BRAINLIEST!!!
Answers
Answer:
A, graph 4, S(0, 9)B, graph 3, R(9, 0)C, graph 1, P(3, 9)D, graph 2, Q(-3, 0)Step-by-step explanation:
You want to identify the graphs that go with each of these functions, along with a particular point on the curve.
y = x² +3x +9y = (x +3)(x -9)y = (x -3)² +9y = -(x -9)(x +3)Quadratic features of interestThe equations are written here in standard form, factored form, and vertex form. (The "factored form" is sometimes called "intercept form.") Each of these forms can be analyzed for characteristics relevant to identifying the corresponding graph.
In general, we can readily identify the opening direction, based on the sign of the leading coefficient. Depending on the form, we can also identify zeros, the vertex, and the y-intercept.
Standard formThe line of symmetry (x-coordinate of the vertex) of the equation in the form ax² +bx +c is x = -b/(2a). That is, it will be left of the y-axis when the coefficients 'a' and 'b' have the same sign.
The graph of equation A will be graph 4, the only one with its vertex left of the y-axis. The y-intercept is the constant: point S = (0, 9).
Factored formEquation B has a positive leading coefficient, so opens upward. The zeros of the factors are -3 and +9, so identify the places where the graph crosses the x-axis. Graph 3 is the only one that opens upward and has x-intercepts. Point R is (9, 0).
Vertex formThe vertex form of a quadratic is ...
y = a(x -h)² +k . . . . . . . vertex (h, k); leading coefficient 'a'
Equation C has its vertex at (h, k) = (3, 9) and opens upward (a>0). Graph 1 is the only one matching those characteristics. Point P is the vertex, so point P is (3, 9).
Leading coefficientEquation D is the same as equation B, but with a negative leading coefficient. That is, it opens downward and crosses the x-axis in two places, at x = -3 and x = 9. Graph 2 is matches this description. The left zero is point Q, (-3, 0).
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Use multiplication to create an equivalent fraction for 2/5
Answers
Answer:
4/10
Step-by-step explanation:
2/5 times 2/2
Make sure To multiply with the SAME denominators and numerators.
I hope this helps!!
Answer:
6/15
Step-by-step explanation:
2/ 5 x 3/3 = 6/15
Note that to find equalivalent fractions multiply “BOTH” the numerator and the denominator