Need Help. The question is down below
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Please show your work for each of these problems
Useful Log Rules:
log(A*B) = log(A)+log(B) .......... log rule 1log(A/B) = log(A) - log(B) .......... log rule 2log(A^B) = B*log(A) ................... log rule 3=========================================================
Part (a)
All logs shown below are base 3.
log(500) = log(5*100)
log(500) = log(5*10^2)
log(500) = log(5)+log(10^2) .... use log rule 1
log(500) = log(5) + 2*log(10) .... use log rule 3
log(500) = 1.4650 + 2*2.096 ....... substitution
log(500) = 5.657
Answer: 5.657=========================================================
Part (b)
All logs shown below are base 3.
log(2) = log(10/5)
log(2) = log(10) - log(5) .... use log rule 2
log(2) = 2.096 - 1.4650 ....... substitution
log(2) = 0.631
Answer: 0.631solve the system of equations X-Y = -12 and -8x-4y=-12 by combining the equations
Answer:
x = -3
y = 9
Step-by-step explanation:
you can add the equations after multiplying the first one by 8
8x - 8y = -96 added to -8x - 4y = -96
'x' eliminated; -12y = -108; y = 9
Solve for 'x':
x - 9 = -12
x = -12 + 9
x = -3
Which of the equations below could be the equation of this parabola? Vertex (0,0) A v=-4 B. Y = 42 C. X=-4x D. x = 4y2
Answer: y= -4x^2
Step-by-step explanation:
The equation of the parabolic function is y = -4x² and the graph is plotted
What is a Parabola?A Parabola, open curve, a conic section produced by the intersection of a right circular cone and a plane parallel to an element of the cone. A parabola is a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line
The equation of the parabola is given by
( x - h )² = 4p ( y - k )
y = a ( x - h )² + k
where ( h , k ) is the vertex and ( h , k + p ) is the focus
y is the directrix and y = k – p
The equation of the parabola is also given by the equation
y = ax² + bx + c
where a , b , and c are the three coefficients and the parabola is uniquely identified
Given data ,
Let the parabolic equation be represented as f ( x )
Now , the value of f ( x ) = y
where y = -4x²
The equation y = -4x² represents a parabola that opens downwards (since the coefficient of x² is negative).
The vertex of this parabola is at the origin (0,0), since the coefficient of x is zero. The axis of symmetry is the y-axis, since the parabola is symmetric about this line.
Hence , the equation is y = -4x²
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If I make $1,000 per minute how much time will it take to make $1,000,000?
Answer:
it would take 1,000 minutes
Step-by-step explanation:
1,000,000/1,000=1,000
Answer: I think it’ll take 1,000 minutes
Step-by-step explanation:
If you multiply 1,000 and 1,000 it’ll equal 1 million.
Hoped this helps.
Tres compañías aportan capitales para hacer una investigación la estrella aporta 509000 724 flechabús la mitad de lo que aporta la estrella más 23184 y la terminal 104208 menos que lo que aporta flechabús cuánto aportan en total cada uno de los tres juntos
Answer:
En total, se invirtieron $960,000 por parte de las tres empresas.
Step-by-step explanation:
Para resolver cuánto dinero aportaron en total las tres empresas, es necesario determinar la cantidad de dinero que cada una de ellas aportó en forma particular. Así:
La Estrella: 509,000
Flechabus: (509,000 / 2) + 23,184
254,500 + 23,184
277,684
La Terminal: ((509,000 / 2) + 23,184) - 104,208
277,684 - 104,208
173,476
Ahora bien, para determinar el total invertido se requiere sumar dichos montos: 509,000 + 277,684 + 173,476 = 960,160
Así, en total, se invirtieron $960,000 por parte de las tres empresas.
anyone please help!!!
Answer:
The answer is D.
Step-by-step explanation:
When you subtract 9 from h, the word “then” is a key term that means it’s usually in parentheses. Then you divide three.
Write this percentage as a fraction in its simplest form.
46%
Answer:
23/50
Step-by-step explanation:
46% is the same as 46/100 that can be simplified to 23/50
The percentage 46% as a fraction in its simplest form is 23/50.
The given fraction is 46%.
Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".
The percentage can be written in fraction by dividing the number by 100.
Here, 46% = 46/100
= 23/50
Therefore, the percentage 46% as a fraction in its simplest form is 23/50.
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Add the equation u-v/8v + 6u-3v/8v
Answer:
7u-4v/8
Step-by-step explanation:
u+6u=7u
-v+(-3v)=-v-3v=-4v
7u-4u/8
Which of the following equations is equivalent to 2(3x - 1) = 3 - (- 2 - x)?
1. 6x - 2 = 1 - 4
2. 6x - 1 = 1 + x
3. 6x - 2 = 5 + x
4. 6x - 1 = 5 - x
Answer:
It would be 2. 6x - 1 = 1 + x
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
I need the answers please !
Answer:
m<5 = 133°
m<8 = 47°
Step-by-step explanation:
if <2 = 47°, and <5 is supplementary to <2, that means that together they both have to equal 180°. So, to get the measure of <5, you need to do 180 - 47 to get <5 = 133°.
Now, <5 (133°) is supplementary to <8, so they both have to equal 180° together. So, you must do 180 - 133 to get <8 = 47°. Or, another way to get <8 is to notice that <2 and <8 are alternate interior angles, which means they equal the same amount. So if <2 = 47°, then so does <8.
6z + 10 = -2 How should I solve it? It's from Simple Equations
Answer: z = -2
Step-by-step explanation:
6z + 10 = -2
add 10 on both sides
6z = -2 -10
6z = - 12
divide 6 on both sides
z = -2
Answer:
z= -2
Step-by-step explanation:
6z+10=-2
-10. -10
6z = -12
÷6. ÷6
z= -2
John walks m miles each week. Marie’s distance can be found by using the expression : 3m + ½
If John walks 7 miles in one week, how many miles does Marie walk?
Answer:
21.5 Miles or 21 ½ Miles
Step-by-step explanation:
Plug in 7 as m to 3m + ½.
Then, I get 3(7) + ½.
That concludes to 21 + ½
Add the ".5" or "½" at the end
So, answer is you get is 21.5 of 21 ½
Patrice and Arnold went to the bank together and checked their account balances Patrice's balance was - 55 and Arnold's was - 56 . Who has a greater debt? Explain using the concept of absolute value.
Answer:
Arnold has greater debt because he owes an extra dollar to the bank
Step-by-step explanation:
Alaina surveyed students on her bus about their homework.The results are shown in this two-way table. Student Homework Last Night Responses Had Homework 8 Did Not Have Homework 4 Alaina used this data to design a spinner with 6 congruent sections that predicts whether a randomly selected student had homework last night. How many sections of Alaina’s spinner represent students who did not have homework? 2 4 6 8
Answer:
2
Step-by-step explanation:
Answer: 2
I got it right on ed
Help me please this is really stressing me
Answer:
0.11 centimeters/minute
A 3.0 kg book sits on a very high shelf 4.5 meters above the ground. Calculate the potential energy of the book.
How old is my uncle if 400 reduced by 2 times his age is 244?
Answer:
My uncle is 78 years old.
Step-by-step explanation:
Let the age of your uncle be x.
400 - 2x = 244
Shift (-2x) to the other side and change it to (+2x).
400 = 244 + 2x
Shift (+244) to the other side and change it to (-244).
400 - 244 = 2x
Evaluate.
2x = 156
Find x.
x = 156 ÷ 2
x = 78
HELPpPppPp ASAP I rlly need help I’m timeddddd frrr I will give u a Brainly thing just help and show your workkkk
Answer:
1
I hope this helps! Do you need help on anything else?
Okay here are some pictures of the work, I can't do fractions on this. :)
During the basketball season, Cory made 21 of the 60 baskets she attempted. Krista made 16 out of 40 baskets she attempted. Paul made 17 of the 50 baskets she attempted and Sally 11 of the 55 she attempted. Who had the greatest percentages of baskets made?
Given:
Cory made 21 of the 60 baskets she attempted.
Krista made 16 out of 40 baskets she attempted.
Paul made 17 of the 50 baskets she attempted.
Sally 11 of the 55 she attempted.
To find:
Who had the greatest percentages of baskets made?
Solution:
We know that,
[tex]\text{Percentage of baskets made}=\dfrac{\text{Baskets made}}{\text{Total attempts}}\times 100[/tex]
Using this formula, we get
[tex]\text{Cory's percentage of baskets made}=\dfrac{21}{60}\times 100=35\%[/tex]
[tex]\text{Krista's percentage of baskets made}=\dfrac{16}{40}\times 100=40\%[/tex]
[tex]\text{Paul's percentage of baskets made}=\dfrac{17}{50}\times 100=34\%[/tex]
[tex]\text{Sally's percentage of baskets made}=\dfrac{11}{55}\times 100=20\%[/tex]
From the above percentages 40% is maximum.
Therefore, Krista has greatest percentage of baskets made.
Write in slope intercept form the equation of a line that has the slope of 1/3 and the y- intercept of 5.
Answer:
y = 1/3x + 5
Step-by-step explanation:
Slope intercept form is y = mx + b
m is the slope
b is the y intercept
plug your number in
y = 1/3x + 5
he heat in the house is set to keep the minimum and maximum temperatures (in degrees Fahrenheit) according to the equation |x – 72.5| = 4. What are the minimum and maximum temperatures in the house? 72.5°F and 76.5°F 68.5°F and 76.5°F 70.5°F and 74.5°F 72.5°F and 74.5°F
Answer:
B. 68.5 & 76.5
Step-by-step explanation:
In order to solve this equation you first need to change your equasion to fit 2 scenarios. So, your 2 equations are x-72.5=4 and x-72.5=-4. From there, you need to solve by adding 72.5 to each equation giving you x=76.5 and x=68.5. 68.5 degrees F is your minimum temperature and 76.5 degrees F is your maximum temperature. I have included a screenshot of my handwritten work included below for those who are visual learners.
a water spinkler sends water out in a circular pattern how large is the watered area if the watering pattern is 12 ft
Answer:
The number of feet away from the sprinkler where it could spread water would be the radius of the circle in which it is spraying.
The Area of a circle is
πr2=808.64
(3.14)r2=808.64
Divide both sides by 3.14
r2=257.5286624
what polynomial function has the zeros -3,1,5
Answer:
x³ - 3 x² - 13 x + 15 = 0
Step-by-step explanation:
Basically you can create three factors like this:
(x+3)(x-1)(x-5)=0
That will each represent one zero.
Work it out and you get x³ - 3 x² - 13 x + 15 = 0
guys Im getting a tattoo I'm 13 tho..but should I get butterflies or hearts? let me know assasp
Find value of x. I will report if u put gibberish
Answer:
d:15
Step-by-step explanation:
since the angles are equal to each other, then the sides must be equal to each other too
so...
3x+5=4X-10
15=x
Which is the best buy?
$4.08 for 12 candy bars
$3.10 for 10 candy bars
$3.85 for 11 candy bars
$3.64 for 13 candy bars
Answer:
3.64 for 13 candy bars
Step-by-step explanation:
Please help and explain process too. Thank you!!
Retail Sales: HELP! 15 POINTS AND BRAINLIEST
Suppose you have a $5-off coupon at a fabric store. You buy fabric that costs $7.50 per yard. Write an equation that models the total amount of money y you pay if you buy x yards of fabric. What is the graph of the equation?
Answer:
7.5x-5 is equation for graph :)
BRAINLIEST PLEASE
Step-by-step explanation:
2 Joey runs 4 – miles in of an hour and Chandler runs 2 miles miles in of an hour. Who runs faster
Answer: Joey is faster
Step-by-step explanation: Because in 1 hour Joey is run 4 mile but in 1 hour Chandler is run 2 mile
Answer: Joey is faster
Step-by-step explanation: Because in 1 hour Joey is run 4 mile but in 1 hour Chandler is run 2 mile
use the multiples method to find Least common denominator , then find the sum or difference , please help me understand dis ill mart brainliest
Answer:
25/28
Step-by-step explanation:
3/4+1/7
21+4/28
25/28