Emily measures 3 pieces of string. The first piece measures 642 cm. The second piece measures 124 cm, and the third piece is 134 cm. How many meters of string does she have altogether? (hint: 1 meter equals 100 centimeters)
Martha is standing on a street corner in a big city, facing south. She walks 5 blocks to the south. Then, she turns right and walks 3 blocks. Then, she turns right as walks 2 blocks. Then, she turns right again and walks 1 block. Finally, she turns left and walks 5 blocks. What direction is she facing when she is done?
In the north direction, Martha facing if the Martha is standing on a street corner in a big city, facing south.
What is direction?The four cardinal directions, sometimes known as cardinal points, are the four principal compass directions: north, east, south, and west, which are frequently abbreviated as N, E, S, and W.
We have:
Martha is standing on a street corner in a big city, facing south. She walks 5 blocks to the south.
Then, she turns right and walks 3 blocks. Then, she turns right as walks 2 blocks. Then, she turns right again and walks 1 block.
If we draw a line diagram, we will see:
She will be facing at North.
Thus, in the north direction Martha facing if the Martha is standing on a street corner in a big city, facing south.
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Solve using the arrow way
430-230?
Jose and Sue are playing a board game. If they land on a red or blue square, they lose 1 point. The inequality statement compares the magnitude of their scores at the end of the game. |−2|<|−5| What does the inequality statement show?
The inequality statement |−2|<|−5| shows that 2 is less than 5.
Explanation:In mathematics, an inequality compares two expressions or values, indicating their relative size. Symbols such as < (less than), > (greater than), ≤ (less than or equal to), and ≥ (greater than or equal to) represent inequalities.
The inequality statement |−2|<|−5| compares the magnitude of two numbers, -2 and -5. To find the absolute value of a number, we remove the negative sign. So, |−2| is equal to 2 and |−5| is equal to 5. Therefore, the inequality statement |−2|<|−5| means that 2 is less than 5.
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What does the random variable for a binomial experiment of n trials measure?the random variable measures the number of successes out of n trials.the random variable measures the number of failures out of n trials. the random variable measures the standard deviation of n trials.the random variable measures the mean of n trials?
Answer:
The random variable measures the number of successes out of n trials.
Let x be a random variable that takes integer values and is symmetric, that is, p(x = k) = p(x = âk) for all integers k. what is the expected value of y = cos(xÏ) and y = sin(xÏ)?
The expected value of y = cos(xÏ) is 0 and the expected value of y = sin(xÏ) is also 0, due to the symmetry of the random variable x.
Explanation:The expected value (mean) of y = cos(x Ï) is 0.
The expected value (mean) of y = sin(x Ï) is also 0.
Since the random variable x is symmetric, the probability of both positive and negative values cancel out, resulting in an expected value of 0 for both cosine and sine functions.
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What is the circumference of circle p? Express your answer in terms of pi , ab = 14
Answer:
14 pi in.
Step-by-step explanation:
hop this helps!
HELP SUPER FAST PLS A rectangular cardboard has dimensions as shown. The length of the cardboard can be found by dividing its area by its width. What is the length of the cardboard in inches?
Rectangle with width labeled on the right, width equals 4 and 1 over 2 inches. Below the rectangle, it says, length equals question mark. Inside the rectangle, it says area equals 36 and 3 over 4 square inches
Answer:
8 1/6
Step-by-step explanation:
hope it helps
Find the solution of the differential equation that satisfies the given initial condition. du/dt = (2t+sec^2t)/2u, u(0) = -3
if possible find the area of the triangle defined by the following: a=32, b=24, y=75°
kenny wants to buy gifts for all 18 of his co workers. He can buy t shirts for $10 and hats for $12. He plans on spending $200 for all 18 gifts. If Kenny wants to spend all of his money, how many of each type of gift can he buy?
PLZ HELP!! 20 points!
Is (3,-2) the solution to this system of equations? show how you determined your answer.
-2x-4y=2
3x+4y=8
One positive integer is 6 less than twice another. The sum of their squares is 468. Find the integer
The two integers are 12 and 18.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Given that, one positive integer is 6 less than twice another.
Let positive integer be x and the other positive integer is 2x-6
x²+(2x-6)²=468
x²+4x²-24x+36=468
5x²-24x+36-468=0
5x²-60x+36x-432=0
5x(x-12)+36(x-12)=0
(x-12)(5x+36)=0
(x-12)=0
x=12
So, 2x-6=18
Therefore, the two integers are 12 and 18.
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A cab driver is paid $6 plus $0.45 per mile driven. Which expression shows the amount of money the cab driver earns in m miles?
Answer:
C/ 0.45m + 6
Step-by-step explanation:
i did the quiz
Please help me with questions 8 and 9
James Callahan has available a 10% alcohol solution and a 60% alcohol solution. Find how many liters of each solution he should mix to make 50 liters of a 40% alcohol solution?
Which equivalent expression will be generated by applying the Distributive Property and combining like terms in the expression 11 + 4(x + 2y + 4)?
Hayden is a manager at a landscaping company. He has two workers to landscape an entire park, Cody and Kaitlyn. Cody can complete the project in 8 hours. Kaitlyn can complete the project in 6 hours. Hayden wants to know how long it will take them to complete the project together.
Write an equation and solve for the time it takes Cody and Kaitlyn to complete the project together. Explain each step.
Denote all work that should be done as 1. Then if Cody can complete the project in 8 hours, he can do [tex] \frac{1}{8} [/tex] per hour and if Kaitlyn can complete the project in 6 hours, then she can do [tex] \frac{1}{6} [/tex] per hour. Together they complete [tex] \frac{1}{8}+\frac{1}{6} [/tex] per hour.
Simplify this expression:
[tex] \dfrac{1}{8} +\dfrac{1}{6} =\dfrac{3}{24} +\dfrac{4}{24}=\dfrac{7}{24} [/tex].
Then it will take them to complete the project together [tex] \dfrac{1}{\frac{7}{24}} =\dfrac{24}{7} =3\dfrac{3}{7} [/tex] hours
Answer: It will take them to complete the project together [tex] 3\dfrac{3}{7} [/tex] hours.
What is the approximate volume of the cylinder with a height of 5 and a diameter of 4? round to the nearest tenths place
108+621 is the same as 100+ what
If one of the 99 test subjects is randomly selected, what is the probability of getting a subject who is pregnant?
To calculate the probability of selecting a pregnant subject from the 99 test subjects, the exact number of pregnant subjects in the group is needed. Without this data, the probability cannot be determined.
Explanation:To ascertain the probability of randomly selecting a pregnant subject from a group of 99 test subjects, additional information is required regarding how many subjects are actually pregnant within the group. Without this information, we cannot compute an exact probability.
However, if we had data—let's say 15 out of the 99 subjects are pregnant—the probability would then be calculated using the formula for probability, which is the number of favorable outcomes divided by the total number of possible outcomes. In this scenario, the probability would then be 15/99.
Final answer:
Without specific information on the number of pregnant subjects among the 99 test subjects, it's impossible to compute the exact probability of randomly selecting a pregnant subject.
Explanation:
To answer the question about the probability of randomly selecting a pregnant subject from the 99 test subjects, we would need to know the number of pregnant subjects within the group. Without that information, we cannot calculate the exact probability. However, if we had that information, the probability (P) of selecting a pregnant subject would be calculated as P = (Number of Pregnant Subjects) / (Total Number of Subjects), which in this case is 99.
This is an example of a probability question that falls under the broader subject of mathematics, specifically within the topic of probability and statistics commonly covered at the high school level.
Quadrilateral ABCD is inscribed in this circle.
What is the measure of ∠A ?
Enter your answer in the box.
Applying the inscribed quadrilateral conjecture, the measure of m∠A = 137°.
What is the Inscribed Quadrilateral Conjecture?The inscribed quadrilateral conjecture states that the opposite angles in any inscribed quadrilateral in a circle measures up to 180 degrees.
Thus:
43° + m∠A = 180°
m∠A = 180 - 43
m∠A = 137°
Thus, applying the inscribed quadrilateral conjecture, the measure of m∠A = 137°.
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A hiker maintains an average speed of 3 3 /4 km/h. How many kilometers will the hiker walk in 3/5 h
Answer:
2 1/4
Step-by-step explanation:
3 3/4 times 3/5= 15/4 times 3/5=45/20=9/4=2 1/4
I did this because speed times time equals distance and we are finding distance
HOPE THIS HELPS!!!!! :)
The distance walked in 3/5 hours is 2(1/4) km.
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,
Average speed = 3(3/4) km per hour
This can be written as,
3(3/4) km = 1 hour
15/4 km = 1 hour
15/4 km = 1 hour
Multiply 3/5 on both sides.
3/5 x 15/4 km = 3/5 hours
9/4 km = 3/5 hours
2(1/4) km = 3/5 hours
Thus,
2(1/4) km is walk in 3/5 hours.
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x y
0 -3
2 5
3 9
4 13
Which equation matches the table?
A) y = x - 3
B) y = x + 3
C) y = 4x - 3
D) y = 4x + 3
How many quarter inches long is 7 3/4
The number of quarters in 7 is 28 and the number of quarters in 3/4 is 3. Then the total number of quarters is 33.
What is a fraction number?A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of numerator and denominator.
The quarter is written as one-fourth.
[tex]\rm quarter = \dfrac{1}{4}[/tex]
We have 7 + 3/4
We know that one has 4 quarters then 7 has
→ 7 × 4 = 28
And 3/4 has three quarters.
Then the total quarter will be
[tex]\rm Number\ of \ quarter = 7 \dfrac{3}{4} \times 4 = \dfrac{33}{4} \times 4 = 33[/tex]
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There are 31 quarter inches in 7 3/4 inches. This is determined by converting the mixed number into an improper fraction and then dividing by ¼, which gives us 31/4 or 31 quarter inches.
Explanation:The question asks how many quarter inches there are in 7 3/4 inches. To find this, we can convert the mixed number into an improper fraction and then divide by the fraction representing a quarter inch (¼ inch).
First, convert 7 ¾ to an improper fraction by multiplying the whole number 7 by the denominator 4 and then adding the numerator 3. This gives us 28 + 3 = 31, so 7 ¾ inches is equivalent to ⅔31/4 or 31 quarter inches. Therefore, 7 3/4 inches is 31 quarter inches long.
Select the ratios that are equivalent to 3 boys and 5 girls
Melinda has a map of her city the map uses a scale of 1 inch equals 8 miles when does house is 1 1/2 inches from the library on the map how far apart with her house in the library be on the map if the scale is 1 inch equals 6 miles
Two cones have a radius of 2 cm. The height of one cone is 8 cm. The other cone is 14 that height. Which of these statements is NOT true?
A city council consists of six democrats and five republicans. If a committee of seven people is selected, find the probability of selecting four Democrats and three republicans.
Find the difference (7a-6b+7) - (8a-2)