Answer:
They are all right
Step-by-step explanation:
Part A: If (72)x = 1, what is the value of x? Explain your answer. (5 points)
Part B: If (70)x = 1, what are the possible values of x? Explain your answer. (5 points)
Answer:
see step by step explanation
Step-by-step explanation:
part a: x=1/72 because there are 72 x's in the one so 1/72
part b: x=1/70 because there are 70 x in 1 so x = 1/70
Answer:
(7^2)^0
Step-by-step explanation:
The Zero rule property states that anytime you multiple an exponent by 0 it always equals 1. So, if you multiply the equation by 0 it will equal one.
Please show your work for this question
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[tex]4 \times {9}^{2x} = 42[/tex]
Divide sides by 4
[tex] \frac{4 \times {9}^{2x} }{4} = \frac{42}{4} \\ [/tex]
[tex] {9}^{2x} = \frac{2 \times 21}{2 \times 2} \\ [/tex]
[tex] {9}^{2x} = \frac{21}{2} \\ [/tex]
[tex]( { {9}^{2} })^{x} = \frac{21}{2} \\ [/tex]
[tex]x = log_{ {9}^{2} }( \frac{21}{2} ) \\ [/tex]
[tex]x = \frac{1}{2} log_{9}( \frac{21}{2} ) \\ [/tex]
[tex]x = \frac{1}{2} log_{ {3}^{2} }( \frac{21}{2} ) \\ [/tex]
[tex]x = \frac{1}{2 \times 2} log_{3}( \frac{21}{2} ) \\ [/tex]
[tex]x = \frac{1}{4} log_{3}( \frac{21}{2} ) \\ [/tex]
[tex]x = \frac{1}{4} ( \: \: log_{3}(21) - log_{3}(2) \: \: ) \\ [/tex]
[tex]x = \frac{1}{4} ( \: \: log_{3}(3 \times 7) - log_{3}(2) \: \: ) \\ [/tex]
[tex]x = \frac{1}{4} ( \: \: log_{3}(3) + log_{3}(7) - log_{3}(2) \: \: ) \\ [/tex]
[tex]x = \frac{1}{4} ( \: \: 1 + log_{3}(7) - log_{3}(2) \: \: ) \\ [/tex]
And we're done...
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Please Help ME!!
Identify two or more drawbacks/cons of having one-way streets within a grid street system.
Answer:
One way streets make it harder to turn into business, also one way streets often are long and they can throw you off your course
Step-by-step explanation:
I hope this helps
When a figure is rotated, does every point move the same distance? Explain.
Choose the correct answer below.
O A. Yes. When rotating a figure, the rotation indicates that each point moves the same distance, such that the angle of rotation may vary from point to point
OB. No. The angle of rotation is different for each point, and each point and its image are, therefore, different distances from the center of rotation, so the
distance each point moves varies.
O C. Yes. Since the angle of rotation is the same, the distance that each point moves is the same.
OD. No. Although each point is rotated through the same angle, points that are different distances from the center of rotation move different distances.
Ku
Answer:
D. No. Although each point is rotated through the same angle, points that are different distances from the center of rotation move different distances.
Step-by-step explanation:
Rotation is a type of transformation which involves turning a given figure about a reference point to produce its image. This would produce an image with the same size as the object.
A given figure or shape has different parts or points. Since each point on the figure is at different distance to the reference point, thus they do not cover the same distance but move through the same angle of rotation. Each individual point move through the same angle but do not cover the same distance during rotation.
Therefore, the appropriate option is D.
Answer: D
Step-by-step explanation:
Mr. Jansen opend a savings account with an initial deposit of $720 and will not make any additional deposits or withdrawals. The account earns 1% simple interest. What is the total amount that Mr.Janesen will have in his account at the end of 3 years.
Answer:
C
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
If you
are the two lines parallel, perpendicular, or neither ?
Answer:
Perpendicular
Step-by-step explanation:
the lines are Perpendicular or it can also be parallel
The lines in Graph 1 is neither, graph 2 is parallel, graph 3 is parallel and graph 4 is perpendicular.
What are Parallel Lines?Parallel lines are those straight lines in a plane which will not intersect each other even if we extend the line to infinity.
Perpendicular lines are those lines where the two lines meet a point where the angle between the two lines is 90 degrees.
Graph 1 :
Lines are not parallel because if we extend one line it will meet the other line.
Lines are not perpendicular since the point of intersection will never make the angle between the lines as 90 degrees.
So it is neither parallel nor perpendicular.
Graph 2 :
The two lines will never intersect if we extend the line infinity.
So they are parallel.
Graph 3 :
Again the lines are parallel since they won't intersect at any point.
Graph 4 :
Since both the lines make a 90 degree angle at the point of intersection, they are perpendicular.
Hence the lines are parallel in graph 2 and 3, lines are perpendicular in graph 4 and lines are neither in graph 1.
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What's the greatest number 26 or 5.2
Answer:
26
Step-by-step explanation:
26 is the greatest number because 5.2 is a single digit and has lower value than 26.
26 > 5.2
Hope this helps!
(3x2)(−2x4) = 3(−2)x2∙4 = 6x8
Could you please find out what's wrong and say what should be there instead? The problem is : (3x to the power of 2 ) (-2x to the power of 4) = 3(-2)x to the power of 2.4 = 6x to the power of 8
Answer:
The correct answer is -6x⁶
Step-by-step explanation:
Given that:
[tex]3x^2 ( - 2x^4 ) \\ \\ =3(-2)x^{2.4} \\ \\ = 6x^8[/tex]
From the second step above, using the law of indices the correct format should be
[tex]= (3\times -2)x^{2+4}[/tex]
So, the problem lies where we have 2.4, it is not supposed to be (2*4). It supposed to be 2+4 because the law of indices states that we multiply the index together and add their power.
Then the result of that yields
= -6x⁶
In the third step, they also omit the negative sign, when multiplying (3 * -2).
Thus, the correct answer is -6x⁶
One of these scenarios represents a direct variation and one does not. How can you tell the difference? a) A large pizza with one topping costs $15.50. A large pizza with 4 toppings costs $20. Does the price vary directly with the number of toppings? b) A marathoner ran 5 miles in 40 minutes and 15 miles in 120 minutes. Does the number of minutes vary directly with the number of miles? Your answer:
Answer: See explanation
Step-by-step explanation:
a) A large pizza with one topping costs $15.50. A large pizza with 4 toppings costs $20.
A large pizza with one topping costs $15.50.
Using the formula for direct variation,
y = kx
where,
y = Cost of pizza
x = number of toppings
k = constant of proportionality
15.50 = 1k
k = 15.50
A large pizza with 4 toppings costs $20.
Using y = kx
20 = 4k
k = 20/4
k = 5
Here, the price does not vary directly with the number of toppings because the constant of proportionality is different.
b) A marathoner ran 5 miles in 40 minutes and 15 miles in 120 minutes.
Using y = kx
where,
y = 40
x = 5
y = kx
40 = 5k
k = 40/5
k = 8
Using y = kx
where,
y = 120
x = 15
y = kx
120 = 15k
k = 120/15
k = 8
The number of minutes vary directly with the number of miles. This is because the constant of proportionality is thesame in both cases.
Therefore, the second one(B) represents a direct variation and the first one (A) doesn't.
If A:B = 5:18 and B:C = 6:4, form the ratio A:B:C
Answer:
5 : 18 : 12
Step-by-step explanation:
Express the ratio B : C in fractional form, that is
[tex]\frac{B}{C}[/tex] = [tex]\frac{6}{4}[/tex] ( cross- multiply )
6C = 4B ( divide both sides by 6 )
C = [tex]\frac{4}{6}[/tex] B = [tex]\frac{2}{3}[/tex] B , then
C = [tex]\frac{2}{3}[/tex] × 18 = 2 × 6 = 12
Hence
A : B : C = 5 : 18 : 12
Answer:
5:18:12
Step-by-step explanation:
5:18
_:6:4 --> since you multiply 6 by 3 to get 18, multiply 4 by three to get the A:B:C ratio.
5:18:12
A boat travels x miles per hour down the mississippi river. On the return trip, the boat travels 5 mikes per hour slower for 6.5 hours. How far does the boat travel down the river?
Step-by-step explanation:
x miles per hour so you need to add then 5+6.5 is 11.5
A building 78 feet tall casts a shadow 64 feet long. Find the measure of the angle of elevation of
the sun?. Draw a right triangle and round to the nearest tenth of a degree.
Answer:
50.6°
Step-by-step explanation:
The reference angle = angle of elevation [tex] (\theta) [/tex]
Side opposite to the reference angle = 78 ft
Adjacent side = 64 ft
Applying trigonometric ratios formula, we would have:
[tex] tan(\theta) = \frac{opposite}{adjacent} [/tex]
Plug in the values
[tex] tan(\theta) = \frac{78}{64} [/tex]
[tex] tan(\theta) = 1.21875 [/tex]
[tex] \theta = tan^{-1}(1.21875) [/tex]
[tex] \theta = 50.6 [/tex] (nearest tenth)
Find the missing angle
90
140
130
88
Answer:
130
Step-by-step explanation:
an triangle= 180 degrees so 180-35-90=50 so p is 50 then 180 -50=130
Answer:
Its 130 mate i did this question before at my old school
Step-by-step explanation:
Yes or no math question
Answer:
a. y
b. n
c. n
d. y
e. y
y-yes
n-no
Step-by-step explanation:
Write an addition expression with one positive and one negative number that has a sum of 3.
Answer:
-7+10=3
Step-by-step explanation:
You can go anywhere with this but this is just my answer.
ABC - RST, AB=8, BC=18, ST=20. Find RS?
Please help ill give brainliest and 20 points (when I can) 2) The ratio 35 : 84 in simplest form is: *
10 points
5 : 7
7 : 12
5 : 12
None of These
Answer:
None Of The Above
Step-by-step explanation:
Its 7/17
can anyone show their work for this question?
Answer:
let me solve then once i'm done ill put the answer the chat below! :)
Step-by-step explanation:
A customer wants to purchase a sweater from a store.
- The original price of the sweater is $40.
- The sweater is on sale for 10% off the original price.
- The customer has a coupon for 25% off the sale price.
The customer claims that she can determine the final price of the sweater by taking 35% off the original price since 10%+25%=35%. Which of the following statements is true?
A) The customer’s claim is correct. The final price of the sweater will be $5.
B) The customer’s claim is correct. The final price of the sweater will be $26.
C) The customer’s claim is incorrect. The final price of the sweater will be $27.
D) The customer’s claim is incorrect. The final price of the sweater will be $30.
Answer:
400
Step-by-step explanation:
sale for 10% off the original price.
- The customer has a coupon for 25% off the sale price.
The customer claims that she can determine the final price of the sweater by taking 35% off the original price since 10%+25%=35%. Which of the following statements is true?
A) The customer’s claim is correct. The final price of the sweater will be $5.
B) The customer’s claim is correct. The final price of the sweater will be $26.
C) The customer’s claim is incorrect. The final price of the sweater will be $27.
D) The customer’s claim is incorrect. The final price of the sweater will be $30.
= 400
Answer:
C) The customer’s claim is incorrect. The final price of the sweater will be $27.
A morning truck can carry no more than 1480 pounds of cargo. Brian loaded 640 pounds into the truck already. He is loading boxes that weigh 70 pounds. How many boxes can he out into the truck
Given :
A morning truck can carry no more than 1480 pounds of cargo.
Brian loaded 640 pounds into the truck already.
He is loading boxes that weigh 70 pounds.
To Find :
How many boxes can he out into the truck.
Solution :
Weight left for carrying cargo, W = 4180 - 640 pounds
W = 3540 pounds
Number of boxes of 70 pounds cargo he can carry in truck is :
[tex]n =\dfrac{3540}{70}\\\\n = 50.57[/tex] ≈ 50 .
Therefore, number of box they can carry is 50.
Hence, this is the required solution.
Help need answer ASAP 7/15% of a quantity is equal to
? of the quantity.
Answer:
Step-by-step explanation:
7/15 = .4666 = 46.66%
In one version of a trail mix there 4 cups of peanuts mixed with 2 cups of raisins. In another version of trail mix there are 6 cups of peanuts mixed with 3 cups of raisins are the ratios equivalent for the two mixes
Answer:
No, they are not equivalent.
when h is 2, is the following statement true: 6h + 9 < 20
Answer:
False
Step-by-step explanation:
12+9<20
21≮20
False
Bruno was given $2000 at birth. His parents invested it at a 2% interest rate compounded
annually. No deposits or withdrawls were made. Which expression can be used to determine
how much money Bruno had in the account when he turned 13?
Answer:
$2588Step-by-step explanation:
Step one
given data
principal=$2000
rate = 2%= 0.02
time t= 13 years
Required
the final amount in the account
Step two:
A=P(1+r)^t
A=2000(1+0.02)^13
A=2000(1.02)^13
A=2000*1.294
A=$2588
Bruno will have in the account when he turned 13, $2588
State if the two triangles are congruent. If they are, state how you know. (AAS, ASA, SAS, SSS, or HL)
Answer:
kn
Step-by-step explanation:
k,n
Are the two lines equations parallel, perpendicular, or neither? 10x+8y=16 5y=4x-15
Answer: Neither
Step-by-step explanation: if you look at both slopes 10x and 4x they are neither the reciprocal or even remotely close to each other
The two equations 10x+8y=16 and 5y=4x-15 are perpendicular to each other.
What is an equation?The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.
The two given equations are 10x+8y=16 and 5y=4x-15 then reduce both the equations in the intercept form of the standard line of the equation.
The standard form of the equation of the line is,
y = mx + c
For the equation: 10x+8y=16
10x + 8y = 16
5x + 4y = 8
4y = -5x + 8
y = (-5/4)x + 2
For the equation: 5y=4x-15
5y = 4x -15
y = ( 4/5 )x - 3
The slope of line 1 is ( -5/4 ) and the slope for line 2 is ( 4/5 ). Here, the slope of the lines is opposite and reciprocal of each other. The lines will be perpendicular to each other.
Therefore, two equations 10x+8y=16 and 5y=4x-15 are perpendicular to each other.
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If a=6 and b=24 what is (a+b) b is squared
Answer:
the correct answer is 582
Answer:
582
Step-by-step explanation:
B²= base×base
The base is 24
24 ×24 = 576
When you add 6 to 576 you get 582.
I hope this is correct. Sorry if it is wrong.
In one week, a printing center made 1,232 copies of a 35 page article. The printing center also printed 556 copies of a 18 page essay. How many pages did the printing center print during the week?
The printing center printed 53128 pages in a week.
What is Equation Modelling?Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.
Given is a printing center that made 1,232 copies of a 35 page article. The printing center also printed 556 copies of a 18 page essay.
Assume that they printed a total of [x] pages, then we can write -
x = (1232 x 35) + (556 x 18)
x = 43120 + 10008
x = 53128
Therefore, the printing center printed 53128 pages in a week.
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What are the zeros of this function?
-5
O A. X = 3 and x = 6
O B. x = -2 and x = 4.5
O C. x = 0 and x = 3
O D. x = -6 and x = -3
Answer:
A. X = 3 and x = 6
Step-by-step explanation:
Since graph is intersecting x-axis at 3 and 6, therefore 3 and 6 are zeros of this function.
The zeros of the function are x = 3 and x = 6
How to determine the zeros of the function?The zeros of the function are the x values where the graph crosses the x-axis
From the figure, the graph crosses the x-axis at:
x = 3 and x = 6
Hence, the zeros of the function are x = 3 and x = 6
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ANSWER FOR BRAINLIEST
In a class, the ratio of boys to girls is 6:5. If there are boys. If there are 18 boys, how many girls are there?
Answer:
18 boys and 15 girls
Step-by-step explanation:
Since the ratio is 6:5 and there are 18 boys, you do 18/6=3
Then you do 5*3=15
An answer was deleted so imma replace it
The answer is 18:15