Answer:
In 2010 the time will be 44.8 seconds.
Step-by-step explanation:
Given that the Olympic time for men's 400-m hurdles has been decreasing by about 0.09 seconds per year since 1930, when the record was 52 seconds, to predict what the time will be in 2010 the following calculation must be performed:
52 - ((2010 - 1930) x 0.09) = X
52 - (80 x 0.09) = X
52 - 7.2 = X
44.8 = X
Thus, in 2010 the time will be 44.8 seconds.
12 snack bars together weigh 1 lb. 4 oz. If there are 16 oz. in a lb. and 453.6 g in a lb., how many grams does
each bar weigh? Round your answer to the nearest hundredth.
Answer:
567g
Step-by-step explanation:
Each bar weighs 1 lb 4 oz. Since a pound is 16 oz, 4 oz is 1/4 or .25 lb.
1.25 x 453.6
567
Each bar weighs 567g.
Find the value of D. A 75 B 56 C 47 D 30
Step-by-step explanation:
75
Option B is correct. The measurement of the angle m in the circle given is 56degrees
Geometry deals with the measurement of properties of lines, solids, and angles.
The diagram given in the question is a circle. To get the value of d, we will use one of the circle theorems which states;
The angle at the vertex is equal to half the sum in its intercepted arcs as shown:[tex]75=\frac{1}{2} (m\angle d - 94)[/tex]
Cross multiply
[tex]75 \times 2 = m \angle d - 94\\150=m \angle d +94\\m \angle d = 150 - 94\\m \angle = 56^0[/tex]
Hence the measurement of the angle m is 56degrees
Learn more on circle geometry here: https://brainly.com/question/14064573
please help, i'll mark brainliest (please don't send a link)
Answer:
Greater Than -8
Step-by-step explanation:
The open circle means that it is not equal to (where a closed would be)
And the arrow is pointing to numbers that are higher than -8 :)
Answer:
Greater than of equal to -8.
So the last one.
I hope this helps :)
Point G is (-8,6) Point J is a reflection of point G and is reflected across the x axis what are the coordinates of point J?
Answer:
(-8, -6)
Step-by-step explanation:
Given the Point G is (-8,6) if Point J is a reflection of point G and is reflected across the x axis, to get the coordinate of point J, we will negate the y coordinate while retaining the x coordinate value
J = (-8, -(6))
J = (-8, -6)
Hence the required coordinate of J is (-8, -6)
The expression cube root of x^2/square root of x
can be rewritten as
The shape shown on the coordinate plane is rotated about the y-axis.
What is the shape of the solid created by the rotation?
Answer:
Cone, radius = 4, height = 7
Step-by-step explanation:
The point (4, 0) will spin around the y-axis, forming the base of the cone. The point (0, 7) will not move--it's point of the cone.
If f(x) = 2x+ 1, then f(3) =
i cant really seem to understand how to work it out.
Answer:
f(3) = 7
Step-by-step explanation:
f(x) = 2x + 1
f(3) = 2(3) + 1
f(3) = 6 + 1
Substitute the 3 in for x.
f(3) means that x is equal to 3.
This just means we substitute the value of 3 into the f(x) = 2x+ 1 to get
f(x) = 2(3)+ 1,
f(3) = 2(3)+ 1,
f(3) = 6+ 1,
f(3) = 7
Can some person help me??????????????
Answer:
1.2d
198 donors
Step-by-step explanation:
d+0.2d=1.2d
20% more than last year= d+0.2d=1.2d
d=165
1.2(165)=198
Yes, you do get the same number with each of the expression because they are both the same exact things, except one of them has not combined like terms.
convert 2 miles to centimeters.
express your answer in scientific notation
Answer:
To convert miles to cm, multiply the mile value by 160934.4. For example, to find out how many centimeters there are in 2 miles, multiply 2 by 160934.4, that makes 321868.8 cm in 2 miles.
multiply 2 by 160934.4, which is
321868.8 cm in 2 miles.
How do you change miles into centimeters?
To convert a mile to a centimeter, multiply the length by the conversion ratio. The length in centimeters is equal to the miles multiplied by 160,934.4.
The distance in km is equal to the distance in miles multiplied by 1.609344. Since 1 mile is equal to 1.609344 km, that's the conversion ratio used in the formula.
Learn more about distance conversion here
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If y varies inversely as x and x=4 when y=16 find x when y=9
Answer:
x=3
Step-by-step explanation:
x^2=y
Your answer
PLS SOMEONE HELP AND NO LINKS PLS
Answer:
71
Step-by-step explanation:)
HELL ME PLSSSSSSS ASAP
Answer:
64 cups in 4 gallons.
Step-by-step explanation:
4 gallon = ___ cups
Firstly, there are 16 cups in a gallon. We have four gallons.
So we have to multiply the amount of cups in a gallon by the amount we have.
16x4 represents this sentence.
So, you have 64 cups in 4 gallons.
If f(x) = |x – 2| then find f(-3).
Answer:
5
Step-by-step explanation:
f(x) = |x – 2|
f(3) = |-3 - 2| = |-5| = 5
help me..............
Answer:
b
Step-by-step explanation:
Answer: 6.30
Step-by-step explanation:
4 and below let it go, five and above give it a shove
The 5 in the thousandths place tells us that we need to raise the 9 in the hundredths place to 10, so we have to carry the 1 to the tenths place and add 2 + 1
6.295
6.30
Question
Question: 1-1
AACPS Geometry Standard Assess Q3 20-21 ONLINE
Selected Response: 1 point for answer only.
Examine the figure below
Note: Figure
not drawn to
scale.
The Mars Rover Curiosity is sending signals that it is driving into a crater at an angle of depression of 53º.
If the rover covers a horizontal distance of 110 meters, what vertical distance has it traveled? Round your answer to the nearest thousandth.
O 137.735 meters
82.891 meters
87.850 meters
145.975 meters
Constructed Response: Work and answer will be scored on a 3 point rubric. Please answer in the space provided.
After conducting a few experiments, the rover completes its journey by exiting the crater at a different location from where it entered. The rover travels up and out
Pause
Next
e
Cheryl bought a shirt for $42 and sweater for$30. Write a numerical expression that represents the change Cheryl received from four $20 bills
Answer:
[tex]Change = \$8[/tex]
Step-by-step explanation:
Given
[tex]Bills = $20\ bills[/tex] (4)
[tex]Shirt = \$42[/tex]
[tex]Sweater= \$30[/tex]
Required
The change
First, we determine the amount paid,
To do this, multiply the number of bills by the worth of each bill.
So, we have:
[tex]Amount = 4 * \$20[/tex]
[tex]Amount = \$80[/tex]
Next, calculate the worth if item bought
[tex]Items = \$42 + \$30[/tex]
[tex]Items = \$72[/tex]
Subtract the items from the amount to get the change.
[tex]Change = \$80 - \$72[/tex]
[tex]Change = \$8[/tex]
Please help!!
Dont put any link or put any random answer or you will be reported
Answer:
5
Step-by-step explanation:
3,4,4,5,5,5,5,7,7
If you cross equally on both sides them the median is 5
Solve for t. t - 5/ 6 = 5/ 6
Answer:
t = 0
Step-by-step explanation:
Answer:
t = 5/3
Step-by-step explanation:
t - 5/ 6 = 5/ 6
t = 5/6 + 5/6
t = 10/6
t = 5/3
Trey made 104 for 8 hours of work. At the same rate, how many hours would he have to work to make 221?
Answer:17
Step-by-step explanation:
first off find the rate in which he made in an hour.
so 104/8 which is 13. then divide 221 by 13 and u get 17.
17 hours
18 is 32% of what number w
Answer:
56.25
Step-by-step explanation:
100% of 56.25 is 56.25, therefore 32% of 52.25 equals 18
Hannah claims that people who live in southern states spend 9 hours more per week outside than do people in northern states. She selects a random sample from each group. The mean number of hours per week that people in southern states spent outside is 18.6, and the mean number of hours per week that people in northern states spent outside is 14.4. A 99 percent confidence interval to estimate the difference in population means (southern minus northern) is (0.4,8.0).
Answer: Hello your question is incomplete below is the missing part
Which of the following statements about Hannah’s claim is supported by the interval?
A) Hannah is likely to be incorrect because the difference in the sample means was 18.6−14.4=4.218.6−14.4=4.2 hours.
B) Hannah is likely to be incorrect because 9 is not contained in the interval.
C)The probability that Hannah is correct is 0.99 because 9 is not contained in the interval.
D)The probability that Hannah is correct is 0.01 because 9 is not contained in the interval.
E)Hannah is likely to be correct because the difference in the sample means (18.6−14.4=4.2)(18.6−14.4=4.2) is contained in the interval.
Answer : Hannah is likely to be incorrect because 9 is not contained in the interval. ( B )
Step-by-step explanation:
The statement that is supported by the interval in Hannah's claim is that
Hannah is likely to be incorrect because 9 is not contained in the interval.
y=x^2+14x+3
what’s (x,y)
Answer:
(-7, -46)
Step-by-step explanation:
Use the ALEKS calculator to find 35% of 65. Do not round your answer.
Answer:
35 % of 65 is 22.75 %
Step-by-step explanation:
35/100 = 0.35
0.35 x 65 = 22.75
therefore 35% of 65 is 22.75%
A sports ball has a diameter of 18 cm find the volume of the ball
Answer:
volume= 3054.86cm^3
Step-by-step explanation:
Pls Need Help! Thank you
Answer:
y = [tex](\frac{1}{2})^{-x} +4[/tex]
Step-by-step explanation:
In order to achieve the following transformation we need to do the following. To get the graph to be reflected accross the y-axis we need to change the sign of the x variable. Since the x-variable in this scenario is a positive we would change it to a negative. Next, we want to shift the graph 4 units up. To do this we simply need to add 4 to the entire equation. This would result in the following equation.
y = [tex](\frac{1}{2})^{-x} +4[/tex]
Both of these graphs can be seen in the image below.
Read the situation below and determine which is the independent and dependent variable.
•NO LINKS,DOCS,SLIDES,DRIVES.ETC
•50POINTS
•WILL MARK BRAINLYEST
Answer:
independent: popcorn bags
dependent: total cost
Answer:
Amount of popcorn bags bought independent
Total cost of all you bought is dependent
Find the sides marked with letters, all lengths are given in centimeters.
Answer:
Length of side LM = 9 units
Length of side AC = 9 units
Length of side LN = 15 units
Step-by-step explanation:
Given:
In Δ LMN
Length of side LM = m
Length of side LN = a
Length of side MN = 15
In Δ ABC
Length of side AB = 6
Length of side BC = 9
Length of side AC = m
Find:
Length of all missing sides
Computation:
We know that both triangle are similar using AA rule
So,
Length of side LM / Length of side MN = Length of side AB / Length of side BC
Length of side LM / 15 = 6 / 9
Length of side LM = [6 x 15] / 9
Length of side LM = 90 / 9
Length of side LM = 9 units
Length of side LM = Length of side AC = m
Length of side AC = 9 units
Length of side MN / Length of side LN = Length of side BC / Length of side AC
15 / Length of side LN = 9 / 9
Length of side LN = 15 units
what the perimeter and area of this shape?
Answer:
P = 55 feet
A = 237 sq feet
Step-by-step explanation:
P = 2(4) + (3.14 x 15)
A = (4 x 15) + (3.14 x 7.5²)
i’ll give brainlest plzzz
9514 1404 393
Answer:
cube: correctcylinder: delete parabola to make it correctcone: delete rectangle to make it correctStep-by-step explanation:
The selected choices are almost correct.
The curve of intersection of a plane and a cylinder can be a circle or ellipse. It cannot be a parabola.
The only straight lines on a cone are the ones that are the lines through the a.pex revolving around the axis of symmetry. There are no parallel lines, so a rectangular cross section is impossible.
Use the distributive property to write an expression that is equivalent to the expression 4(12 - 3x) + 6 for all values of x.
Answer:
-12x + 54
Step-by-step explanation:
Using the distributive property, distribute 4 to the terms in the parentheses:
4(12 - 3x) + 6
Multiply 12 and -3x by 4:
48 - 12x + 6
Add like terms:
-12x + 54
So, the answer is -12x + 54
9514 1404 393
Answer:
54 -12x
Step-by-step explanation:
The factor outside parentheses multiplies each term inside.
4(12 -3x) +6 = 4(12) +4(-3x) +6
= 48 -12x +6
= 54 -12x