Answer:
d
Step-by-step explanation:
the inequality sign opens up to the bigger number
began doing his homework at 3:30 p.m. to stop at 4 p.m. how many degrees does the minute hand turn during rick's walk.explain how you found your answer
At 3:30 pm
the minute hand was at 6 and hour hand was in between 3 and 4
At 4 pm
the minute hand is at 12 and hour hand is at 4
Total numbers travelled by minute hand
12-66Total degrees turn
6(30)180° clockwise turni need help it’s due at the end of class
Can someone help me with geometry
Applying the circle theorems, we have:
4. y = 120°
x = 45°
5. x = 90°
y = 32°
6. x = 40°
y = 20°
7. x = 116°
y = 98°
8. x = 100°
y = 60°
9. x = 54°
y = 75°
What is the Angle of Intersecting Secants Theorem?The angle formed outside a circle by the intersection of two secants equals half the positive difference of the measures of the intercepted arcs, based on the angle of intersecting secants theorem.
What is the Angle of Intersecting Chords Theorem?The angle formed when two chords of a circle intersect, equals the half the sum of the measures of the intercepted arcs, based on the angle of intersecting chords theorem.
4. y = 360 - 95 - 30 - 115 = 120°
x = 1/2(120 - 30) [angle of intersecting secants theorem]
x = 45°
5. x = 90° [based on the tangent theorem]
y = 180 - 90 - 58 [triangle sum theorem]
y = 32°
6. x = 360 - 160 - 160 [central angle theorem]
x = 40°
y = 1/2(40) [inscribed angle theorem]
y = 20°
7. x = 180 - 2(32)
x = 116°
y = 1/2[132 + 2(32)] [angle of intersecting chords theorem]
y = 98°
8. x = 180 - 80 [opposite angles of an inscribed quadrilateral are supplementary]
x = 100°
y = 1/2[(2(80) - 90) + 50] [inscribed angle theorem]
y = 1/2[70 + 50]
y = 60°
9. 40 = 1/2(134 - x) [angle of intersecting secants theorem]
2(40) = 134 - x
80 = 134 - x
80 - 134 = - x
-54 = -x
x = 54°
y = 360 - 134 - 54 - 97
y = 75°
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Sybil can put a total mass of 950 g in her bag. she buys a book that weighs 450 g and a notebook that weighs 210 g. write an equation to represent how much more mass, m, her bag can hold. then, solve for the answer and include an explanation of how you solved the equation
Answer:
M =290
Step-by-step explanation:
Subtraction of numbers
Harry works in a local computer store and he kept a record of the number of computers sold each month for the past year. How many more computers were sold in the month of February than in the month of September? A. 20
B. 17
C. 15
D. 10
Answer:
A.) 20
Step-by-step explanation:
According to the bar graph, in February, the store sold 50 computers. In September, it seems like the store sold 30 computers. Therefore, if 50 - 30 = 20, the store sold 20 more computers in February than in September.
Answer:
A) 20
Step-by-step explanation:
Computers sold in Feb: 50
Computers sold in Sept: 30
50 - 30 = 20
what is 3/7 divided by 3/7 equal to and simplified
Answer:
1
Step-by-step explanation:
3/7 divided by 3/7 is nothing but
3/7 times 7/3 because of the keep, change, flip rule.
3/7 times 7/3 is nothing but 21/21
21/21 simplifies to 1/1
1/1 = 1
give brainliest please!
hope this helps :)
What is the first step in constructing an incenter to triangle xyz?
The first step is constructing an angle bisector for one of the angles of the triangle.
We have to find the first step for the constructing an inscribed circle
What is the incenter triangle?
The incenter of a triangle is the point from which the distances to the sides are equal, in this point we can start to construct the inscribed circle in the triangle because the incenter would also be the center of the circumference.
Therefore the first step in constructing an angle bisector for one of the angles of the triangle.
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Answer:
Construct the angle bisector of angle Y.
Step-by-step explanation:
I just took the test and got the answer correct :)
Roll of the Dice Are the chances of rolling a 3 with one die the same as the chances of rolling a total of 6 with two dice? If not, which has the higher probability ?
Answer:
The probability is the same.
Step-by-step explanation:
The chances of rolling a 3 with one die is 1/6. The chances of rolling a 6 with 2 dice is 2/12.
Find the equation of the axis of symmetry for the parabola y = x² + 4x + 5. Simplify any numbers and write them as proper fractions, improper fractions, or integers.
the equation's squared variable is the "x", namely x², so we're looking at a vertical parabola, and thus its axis of symmetry will be a vertical line that runs through its vertex, so
[tex]\textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+4}x\stackrel{\stackrel{c}{\downarrow }}{+5} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)[/tex]
[tex]\left(-\cfrac{ 4}{2(1)}~~~~ ,~~~~ 5-\cfrac{ (4)^2}{4(1)}\right) \implies \left( - \cfrac{ 4 }{ 2 }~~,~~5 - \cfrac{ 16 }{ 4 } \right)\implies (\stackrel{x}{-2}~~,~~1) \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \stackrel{\textit{axis of symmetry}}{x=-2}~\hfill[/tex]
Check the picture below.
Using the Vertical Line Test
Which graph does not represent a function?
Using the Vertical Line Test, the graph does not represent a function is ellipse, the third graph.
What is vertical line test?The vertical line test is a graphical method of determining whether a curve in the plane represents the graph of a function. It is done by visually examining the number of intersections of the curve with vertical lines.
Any vertical line in the x y plane must intersect the graph of a function at most once.
In the given graphs, the graph of a function intersects the y axis twice. So, it is not a function.
From the given graphs, the third graph which is of ellipse crosses the vertical line twice.
Thus, the graph does not represent a function is ellipse.
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2.8 devided by 7.2 as a decimal
Answer: 0.388
8 continuing so draw a line over the eights.
The volume of a cone is 736.853 cubic
inches. The height is 11 inches. Calculate the
diameter of the cone.
diameter of the cone=15.8inches
Rational number of 2.3
[tex]Rational \: numbers \: can \: be \: written \: in \: the \: form \: of \: \frac{a}{b} \\ 2.3 = \frac{23}{10} = > answer[/tex]
Hope this helps :)
A carpenter has a board that is 8 feet long. He cuts off 2 pieces. One piece is 3 1/2 feet long and the other is 2 1/3 feet long. How much of the board is left? IM SO SORRY THIS QUESTION ISN’T MULTIPLE CHOICE PLS FORGIVE ME
Answer:
2 1/6
Step-by-step explanation:
The answer is 2 1/6 because you should start by adding 3 1/2 + 2 1/3. This equals 5 5/6 feet. You should then subtract 8 - 5 5/6 because you are figuring out how much is left. When you subtract 8 - 5 5/6, you get 2 1/6. So 2 1/6 feet of the board is left.
Hope this helps!
which ordered pair is a solution of y= 2x + 5?
Answer: (-2, 1)
Step-by-step explanation:
The 1st value in a pair is x, the 2nd is y.
▪︎ (-2, 1)
1 = 2(-2)+5
1 = -4+5
1 = 1 ✅
▪︎ (-1, 4)
4 = 2(-1)+5
4 = -2 + 5
4 = 3❌
▪︎ (1, 6)
6 = 2*1+5
6 = 2 + 5
6 = 7❌
▪︎ (3, 10)
10 = 2*3+5
10 = 6 + 5
10 = 11❌
Which of the following is most likely the next step in the series?
Answer:
C
Step-by-step explanation:
Option C is correct, the polygon in c option is the next step in the series
What is Polygon?A polygon is a plane figure made up of line segments connected to form a closed polygonal chain.
In the first step we can see a triangle
The triangle has three sides
In the second step there is a rectangle which has four sides
The third step has pentagon which has five sides
So in next step the polygon should have six sides
Hexagon is the next step in the series
Hence, option C is correct, the polygon in c option is the next step in the series
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Simplify the following.
a) 3×a×2× b
Answer:
first multiply numbrrs3*2=6ab
What is the area of this rectangle? 10units 20units 24units 48 units
Answer:
24 units ^2
Step-by-step explanation:
The base runs from 3 to 7 so the base is 7-3 = 4 units
The height runs from 2 to 8 so the height is 8-2 = 6 units
The area is
A = bh
= 6*4 = 24 units ^2
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Which of the following shows how to calculate the probability of randomly selecting a cat or dog?
P(cat) + P(dog)
P(cat) − P(dog)
P(cat) · P(dog)
P(cat) ÷ P(dog)
The probability of randomly selecting a cat or dog is P(cat or dog) = P(cat) + P(dog)
Since we cannot select a cat and dog at the same time, their probabilities are mutually exclusive
Probability of mutually exclusive eventsIf we have events a and b which are mutually exclusive with probabilities P(a) and P(b) respectively, the probability of a or b is P(a or b) = P(a) + P(b)
Probability of randomly selecting a cat or dog
Let
P(cat) = probability of selecting a cat and P(dog) = probability of selecting a dogSo, probability of randomly selecting a cat or dog is
P(cat or dog) = P(cat) + P(dog)
So, probability of randomly selecting a cat or dog is P(cat or dog) = P(cat) + P(dog)
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Find the product of –1.5x and –0.25x.
Answer:
0.375x^2
Step-by-step explanation:
(-1.5x)(-0.25x)
= (-1.5)(0.25)(x)(x)
= 0.375x^2
Write the square or cube for each number.
1) 19³=
2) 16² =
3) 15³ =
4) 20² =____
5) 10³ =_
Answer:
1) 19³=6859
2) 16² =256
3) 15³ =3375
4) 20² =400
5) 10³ =1000
Step-by-step explanation:
using your calculator to (square = number times itself) or (cube = number times itself times itself again)
A bag contains 42 red, 45 green, 20 yellow, and 32 pirple candies. You pick one camdy at random. Find the probability that it is green.
Answer:
[tex]\text{P(green)} =\frac{45}{139}[/tex]
Step-by-step explanation:
The total number of candies is :
= 42+45+20+32
= 139
Then
we have 45 green out of 139 candies.
Then
[tex]\text{P(green)} =\frac{45}{139}[/tex]
Note : 45/139 is already simplified.
3 less than the square of a number
Answer:
n² -3
Step-by-step explanation:
The square of a number is found by multiplying it by itself. The square of a number in an algebraic expression is shown using an exponent of 2. For a number represented by n, the square of the number is n².
3 less than a number is found by subtracting 3 from the number. Equivalently, it is found by adding -3 to the number. The addition can be done in any order. For a number represented by n, 3 less than the number is either of ...
-3 +n
n -3
__
given expressionThe expression for "3 less than the square of a number" is ...
n² -3 . . . . . where n represents the number
It can also be written ...
-3 +n²
We generally prefer the first form, with variable exponents decreasing left-to-right.
Is this relation a function? Explain.
(-2, -1), (4, 2), (-8, -4), (6, 3)
Yes
Step-by-step explanation:Functions are relations that express a rule between the x-values and the y-values.
What Makes a Function
Functions are types of relations, specifically, where the x-values do not repeat. This means that each x-value has exactly one y-value. So, if the x-values do not repeat in a relation, then it must be a function.
How To Find a Function From Coordinates
In the question, we are given 4 different coordinate points. The points have 4 x-values, none of which repeat. This means that the relationship must be a function.
To find a function from points, all you need to do is check that the x-values do not repeat.
How To Find a Function From a Graph
If you are given a continuous graph, another way to figure out if it is the vertical line test. The vertical line test is when you draw vertical lines across the graph. If you are able to draw a vertical line everywhere on the graph without the line intersecting with the graph more than once, then it is a function. However, if the line intersects with the graph more than once at any point, then it is not a function.
Jacob sells stools with round seats. if
the radius of a seat is 34.2 cm, find the
surface area of the stool
The surface area of the stool is 3629.84 square cm
How to determine the surface area?The radius is given as:
r = 34.2
The surface area is calculated using:
A = πr^2
So, we have:
A = 3.14 * 34^2
Evaluate
A = 3629.84
Hence, the surface area of the stool is 3629.84 square cm
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Which expression is equivalent to 6(4
+ 9)?
Answer: 78
Step-by-step explanation:
6(4+9)
use foil to distribute the 6 to the 4 and 9
6×4 + 6×9
24 + 54
⇒ 78
a= 5.2 B=70
Work out the area of the triangle. Round your answer to 1 DP
Answer:
8.7
Step-by-step explanation:
Calculate the area of the triangle by using sine.
Area of Triangle
[tex]A = \frac{1}{2} \times \text{side} \times \text{side} \times \sin{\theta}[/tex]
θ ... included angle between the two sides
We already have two sides a and another side which is congruent to a, making it isosceles triangle. But we don't have the included angle. The angle we need is the vertex angle of the isosceles triangle. Angle B is one of the base angles (two base angles are congruent) and it measures 70°.
Recall that angles in any triangle add up to 180°.
base angle + base angle + vertex angle = 180°
70° + 70° + vertex angle = 180°
vertex angle = 40°
Now we have all the information to use the formula!
[tex]A = \frac{1}{2} \times \text{side} \times \text{side} \times \sin{\theta}[/tex]
[tex]A = \frac{1}{2} \times 5.2 \text{ cm} \times 5.2 \text{ cm} \times \sin{40^\circ}[/tex]
[tex]A = 13.52 \text{ cm}^2 \times \sin{40^\circ}[/tex]
[tex]A \approx 8.6904 \text{ cm}^2[/tex]
Rounded to 1 DP:
[tex]A = 8.7 \text{ cm}^2[/tex]
is 0.9999 really the same as 1
Answer:
No but on a calculator it will just be rounded up. If 0.99999 was 1, maths would be pretty much useless.
Answer:
no the value tends to go to 1 but it is not exactly one.
An aquarium holds 11.1 cubic feet of water and is 2.8 feet long and is 1.2 feet wide.what is the depth?
Step-by-step explanation:
the volume of any cube or prism is
length × width × height (or depth)
11.1 = 2.8 × 1.2 × depth
depth = 11.1 / (2.8 × 1.2) = 11.1 / 3.36 = 3.303571429 ft
≈ 3.3 ft