Answer:
R ≈ 7.4
Step-by-step explanation:
Substitute I = 25000000 into the equation
log(25000000 ) = R , then
R ≈ 7.4 ( to 1 dec. place )
Answer:
The Richter scale measurements of an earthquake with intensity 25,000,000 is R ≈ 7.4
Step-by-step explanation:
using the given formula R = log ISubstitute I = 25000000 into the equation
R= log(25000000 ) , then by using calculator we get
R =7.3979
R≈7.4
Thus the Richter scale measurements of an earthquake with intensity 25,000,000 is R ≈ 7.4
click here to know more about the earthquake with intensity
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3 classes have 29 students each 2 classes have 28 students each how many zoo maps does keeper Christina need for all the students
Answer:
I think it might be 143 I could be wrong tho.
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Answer:
143 maps
Step-by-step explanation:
The total number of students is ...
3×29 + 2×28 = 87 +56 = 143
If each student gets a map, the number of maps needed is 143.
_____
Additional comment
You might be able to figure this in your head as ...
3×29 +2×28 = 3×(28+1) +2×28 = 5×28 +3 = 140 +3 = 143
Or as ...
3(30 -1) +2(30 -2) = 5(30) -3 -4 = 150 -7 = 143
David measures a side of a piece of wood. The length is 8 feet and the width is one-half of the
length. What is the area, in square feet, of the piece of wood?
Formula:
Area = Length x Width
Answer:
32
Step-by-step explanation:
8÷2=4 8(length)x4(width)=32(area)
52x33 please help lol
Answer:
1716.
Step-by-step explanation:
52 x 33 = 1716
HELP ME PLEASEEEEEEEEEEEEEEEEEEE
Answer:
heyy matee...
see
Vertices (V) = 8
Faces (F) = 6
Edges (E) => F + V - E = 2 (EULER'S FORMULA)
so 6 + 8 - 2 = E => E = 12
now just look at options
and however its a common thing that if Vertices are 8 and Faces are 6 and Edges are 12 then it is cube or cuboid
and another name of cuboid is rectangular prism ;)
hence answer is option c - rectangular prism
brainliest possible ?
Find the measure of HJK
Answer:
m<HJK = 40°
Step-by-step explanation:
Given:
m<HJK = 3x - 2
m<KJL = 50°
Required:
m<HJK
Solution:
m<HJK + m<KJL = 90° (complementary angle)
Substitute
3x - 2 + 50 = 90
Add like terms
3x + 48 = 90
3x + 48 - 48 = 90 - 48
3x = 42
3x/3 = 42/3
x = 14
✅m<HJK = 3x - 2
Plug in the value of x
m<HJK = 3(14) - 2 = 42 - 2
m<HJK = 40°
What is the mean 4,6,8,20,12
Answer:
the mean is 10
Step-by-step explanation:
4+6+8+20+12=50
50÷5=10
so the mean is 10
Write the equation of a linear function that has a slope of ‒3 and a y-intercept of ‒2.
Answer:
y=-3x-2
Step-by-step explanation:
I need help Asap , please.
LOL LOL LOL LOL LOL LOL LOl LOL
What will happen to a cup of water if it is left in the sun for an extended amount of time? A. It will increase in volume B. It will decrease in volume C. It will stay the same volume
Answer:
c
Step-by-step explanation:
correct me if I'm wrong
Answer:
B-It will decrease in volume
Step-by-step explanation:
If I am not mistaken, the water, if left in the sun, will evaporate when heated, so the volume will decrease.
Find the value of H if H = I^2 R^t÷4.2,R =8.3,I=2.4 and t=37
Answer:
[tex]H = 6492.97[/tex]
Step-by-step explanation:
Given
[tex]H = \frac{I^2Rt}{4.2}[/tex]
[tex]R =8.3;\ I=2.4;\ t=37[/tex]
Required
Find H
We have:
[tex]H = \frac{I^2Rt}{4.2}[/tex]
[tex]H = \frac{37^2 * 8.3 * 2.4}{4.2}[/tex]
Solve the exponents
[tex]H = \frac{1369 * 8.3 * 2.4}{4.2}[/tex]
[tex]H = \frac{27270.48}{4.2}[/tex]
[tex]H = 6492.97[/tex]
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
The histogram shows the number of people in different age groups who visited Rays coffee shop on a Tuesday morning.
Number of Customers in Different Age Groups
36
30
Number of Customers
24
18
12
6
0-
15-18
27-30
19-22 23-26
Age in Years
48
30
6
60
the maximum customer age recorded in
the histogram
Answer:
The maximum customer age recorded in the hisorograhm would be 30
The differiance of 27-30 and 19-22 would be 6
The total number of cutomers would be 60
The total number of people under 23 is 42
Answer:
the number of customers less than 23 years old recorded in the histogram: 42
the difference of the number of
customers in the age groups 27–30 and
19–22 recorded in the histogram: 6
the maximum customer age recorded in
the histogram: 30
the total number of customers recorded in
the histogram: 60
Step-by-step explanation:
4. Triangle Relationships- Interior and Exterior Angles
Find the measure of angle 1 and angle 2. Be sure to show all work related to each answer.
S
a. m21
42°
1/2
30°
M
b. M22
A
Answer:
Value of ∠1 = 102°
Value of ∠1 = 72°
Step-by-step explanation:
Given:
∠ S = 42°
∠ A = 30°
Find:
Value of ∠1
Value of ∠2
Computation:
Using angle sum property;
Sum of all interior angle of a triangle = 180°
∠ S + ∠ A + ∠ 1 = 180
42 + 30 + ∠ 1 = 180
72 + ∠ 1 = 180
∠ 1 = 180 - 72
∠ 1 = 102
Value of ∠1 = 102°
∠ 1 and ∠ 2 makes a straight line
So,
∠ 1 + ∠ 2 = 180
102 + ∠ 2 = 180
∠ 2 = 180 - 102
∠ 2 = 72
Value of ∠1 = 72°
Show all 4 steps of the following:
x - 3/5= 1/6
Answer: x=23/30
Step-by-step explanation: Hope this help :D
HElP I will give brainlist PLSSSS
Nicole and Anne work as sales people for different car dealerships. Nicole earns a monthly salary of $3,500 plus a 6% commission on her sales, x. Anne earns a monthly salary of $4,000 plus a 4% commission on her sales, x. the equations that represent the total monthly earnings, y, based on the amount of sales, x, are shown below.
Nicole y=3,500 + 0.06x
Anne y=4,000 + 0.04x
When the equations are graphed, the lines intersect at the point (25,000, 5,000). What does this point mean in relationship to the scenario above?
Both sales persons will earn a monthly salary of $5,000 for selling 25,000 vehicles.
Both sales persons will earn a monthly salary of $5,000 for selling 25,000 vehicles.
Both sales persons will earn a monthly salary of $25,000 for $5,000 in sales.
Both sales persons will earn a monthly salary of $25,000 for $5,000 in sales.
Both sales persons will earn a monthly salary of $25,000 for selling 5,000 vehicles.
Both sales persons will earn a monthly salary of $25,000 for selling 5,000 vehicles.
Both sales persons will earn a monthly salary of $5,000 for $25,000 in sales.
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Answer:
(d) Both sales persons will earn a monthly salary of $5,000 for $25,000 in sales
Step-by-step explanation:
The variable definitions are ...
x = amount of sales
y = monthly earnings
Then the point (x, y) = (25000, 5000) means earnings are $5000 on sales of $25,000.
Are the two triangles similar? Explain your answer.
Answer:
i think the triangles are similiar because its the same shape. It also has the same degrees but different letters !! Hope this helps.
Answer:
yes it is, but the only difference is the size
Step-by-step explanation:
Which is a shrink of an exponential growth function?
f(x) = One-third(3)x
f(x) = 3(3)x
f(x) = One-third (one-third) Superscript x
f(x) = 3 (one-third) Superscript x
Answer:
3 zero
Step-by-step explanation:
Answer:
The correct answer is A
Step-by-step explanation:
Hope This Helps
can someone help me on this
Answer:
[tex] \frac{3}{4} = \frac{9}{12} [/tex]
[tex] \frac{1}{3} = \frac{2}{6} [/tex]
[tex] \frac{2}{4} = \frac{4}{8} [/tex]
Step-by-step explanation:
To generate equivalent fractions, you can either multiply the numerator and denominator by the same number or divide the numerator and denominator by a number provided the numerator and denominator remains whole number.
Let's solve the given problem:
Problem 1:
[tex] \frac{3}{4} = \frac{x}{12} [/tex]
To find the numerator that will make the fractions equivalent, the numerator would be multiplied by the same number that was used to multiply the denominator of the first fraction (4), from which the denominator of the second fraction (12) was gotten.
Here, the denominator of the first fraction, 4, was multiplied by 3 to get the denominator of the second fraction = 12.
Therefore, the numerator of the second fraction would be gotten by multiplying the numerator of the first fraction, 3 by 3 = 9.
Thus:
[tex] \frac{3}{4} = \frac{3*3}{4*3} [/tex]
[tex] \frac{3}{4} = \frac{9}{12} [/tex]
Both fractions are now equivalent because they now have the same value. 3÷4 will give you the same value as 9÷12.
Problem 2:
[tex] \frac{1}{3} = \frac{2}{x} [/tex]
The numerator, 1, was multiplied by 2 to get 2.
Therefore:
[tex] \frac{1}{3} = \frac{1*2}{3*2} [/tex]
[tex] \frac{1}{3} = \frac{2}{6} [/tex]
Problem 3:
[tex] \frac{2}{4} = \frac{x}{y} [/tex]
We can either divide the denominator and numerator by the same number which should remain a whole number, or multiply the denominator and numerator by the same number.
Let's multiply by 2 to get am equivalent fraction.
[tex] \frac{2}{4} = \frac{2*2}{4*2} [/tex]
[tex] \frac{2}{4} = \frac{4}{8} [/tex]
PLEASE HELP ME PLEASEE !
Answer:
[tex]\sigma = 0.831[/tex] --- Standard deviation
[tex]Mode = 10[/tex]
Step-by-step explanation:
Given
[tex]x = 9,8,10,9,8,10,9,10,8,10[/tex]
Solving (a): The population standard deviation
First, we calculate the mean
[tex]\bar x = \frac{\sum x}{n}[/tex]
So, we have:
[tex]\bar x = \frac{9+8+10+9+8+10+9+10+8+10}{10}[/tex]
[tex]\bar x = \frac{91}{10}[/tex]
[tex]\bar x = 9.1[/tex]
The standard deviation is:
[tex]\sigma = \sqrt{\frac{1}{n}\sum (x - \bar x)^2}[/tex]
So, we have:
[tex]\sigma = \sqrt{\frac{1}{10}*[(9 - 9.1)^2+.................+(10- 9.1)^2]}[/tex]
[tex]\sigma = \sqrt{\frac{1}{10}*6.9}[/tex]
[tex]\sigma = \sqrt{0.69}[/tex]
[tex]\sigma = 0.831[/tex]
The mode is:
[tex]Mode = 10[/tex]
10 has the highest frequency of 4
The current altitude of the plane is 15400 feet above the ground and the plane's horizontal distance to the airport is 200000 miles away. What angle of depression must the pilot make on his descent in order to safely land on the runway>
Answer:
0.441°
Step-by-step explanation:
tan = 1540/200000
tan = 0.0077
tan-1(0.0077) = 0.441
angle of depression is 0.0441°
A circle has a circumference of 113.04 units.
Answer:
The answer may or may not be either the diameter is 36 units, or the radius is 18 units.
Step-by-step explanation:
Since there is no question, then I am just assuming the question is what is the diameter or the radius. You would find this by dividing the circumference by pi:
113.04 / 3.14 = the diameter is 36
36 / 2 = the radius is 18
I hope this was helpful!!! Could I get brainliest?
Have a nice day!!
What is the radius of a sphere with a volume of 1203 cm', to the nearest tenth of a
centimeter?
Answer:
The radius of the sphere is of 6.6 centimeters.
Step-by-step explanation:
Volume of an sphere:
The volume of an sphere of radius r is given by:
[tex]V = \frac{4\pi r^3}{3}[/tex]
In this question:
[tex]V = 1203 \text{cm}^{3}[/tex]
Replacing into the equation, we find the radius, in centimeters. So
[tex]V = \frac{4\pi r^3}{3}[/tex]
[tex]1203 = \frac{4\pi r^3}{3}[/tex]
[tex]r^3 = \frac{1203*3}{4\pi}[/tex]
[tex]r = \sqrt[3]{\frac{1203*3}{4\pi}}[/tex]
[tex]r = 6.6[/tex]
The radius of the sphere is of 6.6 centimeters.
Angles of Triangles Scavenger Hunt Answer Key
A manufacturer has 5,634 pens to divide into packs of 4 pens. The manufacturer makes as many packs as possible.
How many packs of pens does the manufacturer make, and how many pens are left over?
Answer:
1408 packs
2 pens left over
Step-by-step explanation:
5634 / 4 = 1,408.5
half a pack is 2 pens
1408 packs
2 pens left over
Enter "y" or "n" to tell which value of x that make each equation or inequality true.
Answer:
First row (2x + 5 = 9) is N Y N
Second row (2x + 5 < 9) is Y N Y
Third Row (2x+ 5 _< 9) is N Y Y
Which equation represents a line that is parallel to the line y = - 4x +5?
(1) y = - 4x + 3
(2) y=1/4x+3
(3) y=-1/4x+5
(4) y = 4x +5
option 1 is the answer.
Cube X has Edge 1 in. tube why has an edge 4in longer than Cube X. which of the following describes the relationship between the cubes?
a. the volume of cube why is 125 times the volume of cube X
b. the volume of cube why is 25 times the volume of Cube X
c. the volume of cube x is 1/4 the volume of Cube Y
d. the volume of cube x is 1/5 the volume of Cube Y
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Answer:
a. the volume of cube y is 125 times the volume of cube x
Step-by-step explanation:
The volume of cube x is ...
V = s³ = (1 in)³ = 1 in³
The volume of cube y is ...
V = (1 in + 4 in)³ = (5 in)³ = 125 in³
The volume of cube y is 125 times the volume of cube x.
the difference of x and y is the same as 3 times the sum of x and 2
Answer:
x - y = 3(x + 2)
x - y = 3x + 6 is the simplified answer and is also correctStep-by-step explanation:
The difference of x and y is the same as 3 times the sum of x and 2
x - y = 3(x + 2)
x - y = 3x + 6
Find the surface area of the regular pyramid
Answer:
26.8
Step-by-step explanation
Julie has basketball practice every 6 days and track practice every 4 days. In how many days will she have both basketball and track practice
Answer: 12 days
Step-by-step explanation:
For us to know the number of days whereby Julie will have both basketball and track practice, we've to find the lowest common multiple of both 6 and 4. This will be:
Multiples of 4 = 4, 8, 12, 16, 24.
Multiples of 6 = 6, 12, 18, 24, 30.
The lowest common multiple is 12. Therefore, she'll have basketball and track practice in 12 days
The population of a city increases by 4.7% per year. If this
year's population is 77,000, what will next year's population
be, to the nearest individual?