Answer:
1
Step-by-step explanation:
3(x+3) _x +_
4(3x + 5) _x +_
_______________________________________________________
5x+15 (_+ _)
8x-20 _(_+_)
Answer: look at Fraeya he or she got the answer
Step-by-step explanation:
What is equivalent to 51/9?
There are three forms of answers for 51/9 and it’s in the image below ↓
what is the place value of the 3 in the number 53,490
Answer:
In the thousands place
Answer:
It's the one thousandths place
I need help please :)
Answer:
Um sorry if its wrong but I think its that it gets bigger as you go on.
Step-by-step explanation:
what is 2+2+6+7+7+9+6+7+5
Answer:
The answer would be 51
Chris is mailing his friend a poster that has been rolled up in a long tube. He has a box that measures 20 inches by 8 inches by 4 inches. What is the maximum length the rolled poster can be?
Answer:
the answer is 6.63
Step-by-step explanation:
A worker is using a polyurethane spray can to seal and protect several new
dinner tables. It takes 2/5 of a can to seal and protect each table. The worker
has 3 full cans of spray. How many tables can the worker seal and protect?
Answer:
7.5
Step-by-step explanation:
(15/5)-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.2=0
Find the y-intercept of the following equation. Simplify your answer.
y = 6x + 10
y-intercept
can someone help me with this equation. please.
Answer:
Y=2
Step-by-step explanation:
Horizontal lines will always be y= something
No matter what the x value is, y will always be 4
Find the slope between the two given points.
(31, 2) and (31, -19)
Will mark brainliest please hurry!!!!
Answer:
Slope (m) = infinity
θ = 3 π = 270°
2
distance (d) = 21
ΔX = 0
ΔY = -21
Step-by-step explanation:
A line passes through points (0, k) and (4.0) and has a slope of -2.5. Which statements are true regarding the graph of the line?
The equation of the line is y= -2.50 +10.
The equation of the line is y= -2.5x.
The y-intercept is k.
The y-intercept is 4.
The value of k is 4.
The value of k is 10.
Answer:
it the third one is the answer
I need to know the classify the marked angle and pair and give their relationship solve for x
Answer:
x=12
Step-by-step explanation:
58=5x-2
add 2 to both sides
60=5x
divide by 5
12=x
Extra
The angle on the other side = 122 on top and bottom
ALOT OF POINTS PLEASE HELP THANK YOU
Please help!!!! 10 pointss
Answer:
There is nothing here. But talk to me in the comments and i will help in anyway i can.
Step-by-step explanation:
The coefficient is 4/3
No picture/Question.
The temperature at a point (x, y, z) is given by T(x, y, z) = 200e−x2 − 3y2 − 9z2 where T is measured in °C and x, y, z in meters.
Required:
a. Find the rate of change of temperature at the point P(4, −1, 5) in the direction towards the point (5, −4, 6).
b. In which direction does the temperature increase fastest at P?
c. Find the maximum rate of increase at P.
Answer:
a) Upq*gradT(P) = -21,69 ⁰C/m
b) In direction of j ( or y )
c) gradT(P) = - 84 ⁰C/m is decreasing but has a maximum rate of increase in the direction of j (y)
Step-by-step explanation:
a) T (x,y,z) = 200*e∧-x²*i - 3*y²*j - 9*z²*k
We find a unit vector in the direction PQ
PQ = ( 5 , -4 , 6 ) - ( 4 , -1 , 5 )
PQ = ( 1 , -3 , 1 ) ||PQ|| = √ (1)² + (-3)² + (1)² ||PQ|| = √ 11
||PQ|| = 3,32
Unit vector in the direction of PQ is
Upq = ( 1/3,32 , -3/3,32 , 1/3,32 )
grad T = ( T´(x) + T´(y) + T´(z) )
T´(x) = -400*x*e∧-x²
T´(y) = -6*y
T´(z) = -18*z
The rate of change of temperature at the point P in the direction of PQ is:
Upq*gradT = ( 1/3,32 , -3/3,32 , 1/3,32 )* ( -400*x*e∧-x² , -6*y , - 18*z )
Upq*gradT = ( -400*x*e∧-x²/3,32 , - (18/3,32)*y - (18/3,32) * z )
At the point P ( 4 , - 1 , 5 )
Upq*gradT(P) = ( - 1600*e⁻16 /3,32 + 18*1/3,32 - 90/3,32 )
Upq*gradT(P) = ( - 0,00018 + 5,4216 - 27,11 )
Upq*gradT(P) = -21,69 ⁰C/m
b) In direction of j ( or y )
c) grad T = ( T´(x) + T´(y) + T´(z) )
grad T = ( -400*x*e∧-x² , -6*y , -18*z )
At P ( 4 , -1 , 5 )
gradT(P) = ( -400*4* e∧-4² + 6 - 90 )
gradT(P) = - 84 ⁰C/m
In the direction of y we find the maximum rate of increase at P
80 POINTSType the correct answer in the box. Use numerals instead of words.
What value of x makes this equation true?
-2x+3= -15
Answer:
x=9
Step-by-step explanation:
Let's solve your equation step-by-step.
−2x+3=−15
Step 1: Subtract 3 from both sides.
−2x+3−3=−15−3
−2x=−18
Step 2: Divide both sides by -2.
−2x
−2 =-18/-2
=9
If the simple interest on $5,000 for 7 years is $2,450, then what is the interest rate?
Answer:
76%
Step-by-step explanation:
5,000 x the princable starting point
2450 is half of the whole
since the simple intrest is 76
fix the decimale point
and your answer is 76%
The coordinates of the vertices of a triangle are A(3, 3), B(6, 3), and C(6, 6). The coordinates of the vertices of its image are A'(-3, -3), B'(-6, -3), and C'(-6, -6). What transformations would result in this image?
ΔABC was translated left 6 units and reflected over the x-axis.
ΔABC was translated right 6 units and reflected over the x-axis.
ΔABC was translated down 6 units and reflected over the y-axis.
ΔABC was reflected over both axes.
Answer:
ΔABC was reflected over both axes.
Step-by-step explanation:
ΔABC was reflected over both axes.
Solve these equations using Elimination
Answer:
-4x + 11y = 14
Step-by-step explanation:
you just add and subtract the like terms
Suppose that the annual interest rates on mortgages in the U.S. are normally distributed with an unknown mean and standard deviation. The rates of 22 randomly sampled mortgages (home loans) are used to estimate the mean of the population. What t-score should be used to find the 98% confidence interval for the population mean?
Answer:
The value is [tex]t_{\frac{\alpha }{2} , 21 } = 2.518[/tex]
Step-by-step explanation:
From the question we are told that
The sample size is n = 22
Generally the degree of freedom is mathematically represented as
[tex]df = n- 1[/tex]
=> [tex]df = 22- 1[/tex]
=> [tex]df = 21[/tex]
From the question we are told the confidence level is 98% , hence the level of significance is
[tex]\alpha = (100 - 98 ) \%[/tex]
=> [tex]\alpha = 0.02[/tex]
Generally from the t distribution table the critical value of [tex]\frac{\alpha }{2}[/tex] at a degree of freedom of [tex]df = 21[/tex] is
[tex]t_{\frac{\alpha }{2} , 21 } = 2.518[/tex]
Plz help me solve this
and in the blue arrows you put inequality signs
Answer:
Step-by-step explanation:
(b/45) +7 > 5
(b/45) > -2
b > -90
Perimeter is 17 m ≥ 2* length 4.7 +2*widths
b. 9.4+2w ≤ 17
a. (2/7)n -10.6 < 12.4
(2/7)n < 12.4 +10.6
(2/7)n < 23
2n < 23*7
n < 161/2
n < 80.5
The members of Carver Middle School's Junior Beta Club need to raise at least $2000 to attend their national convention. They raised $300 with their last fundraiser and decide to host a school talent show to raise the rest. They plan to charge $10 for each ticket. Which inequality shows the number of tickets they must sell to reach their goal?
Answer:1700
Step-by-step explanation: you can do 2000-300=1700 tickets they need to sell to reach their goal trust me I love math.
$850 flat fee for 31 to 50 guests
1. What would be the rate of change of the function?
2. What would be the initial value of of the equation to represent $850 flat fee for 31 to 50 guests?
3. What would be the equation for pricing $850 flat fee for 31 to 50 guests?
Hosting prices depends on the given number of guests. A flat pricing
indicates a pricing that remains the same based on the conditions set.
The correct responses are;
1. The rate of change of the function is; None2. The initial value is $8503. The equation is; P = 850Reasons:
According to a similar question found online, the question relates to the options for holding a party at Fun and more Fun.
The given option for hosting the party is $850 flat fee for 31 to 50 guests
The option requires an initial sum payment of $850 which is flat indicating
no change in the amount and it is for hosting 31 to 50 guest.
1. Based on the requirements for the hosting option, the pricing does not
change when the number of guest change but remains between 31 to 50
guests.
Therefore;
The rate of change of the function representing the hosting option is; None2. The hosting option specifies only hosting 31 to 50 guest for $850. The
only payment that should be made when option B is selected which is an
initial payment is $850, therefore;
The initial value is; $8503. Let P represent the pricing for hosting based on option B. The pricing on
option B, is constant or fixed amount of $850.
Therefore;
The equation for P, is; P = 850Learn more about linear functions here:
https://brainly.com/question/24502219
Santana Office Supplies record the number of times their five photocopiers break down.
The graph above shows the number of breakdowns for their photocopiers during 2011.
About how many photocopier breakdowns were there in total at Santana Office Supplies during 2011?
Answer:
125
Step-by-step explanation:
Since we cannot find out the exact number of breakdowns for B3, B2, B1 and A2, we will count the point nearest to the bars.
B3: Approximately 25
B2: Approximately 30
B1: Approximately 35
A2: Approximately 20
A1: Exactly 15
Total no. of breakdowns: 25 + 30 + 35 + 20 + 15 = 125 breakdowns (approximately)
Total number of photocopier breakdowns that were at Santana Office Supplies during 2011 is approximately 125.
What is Addition?Addition is one of the basic mathematical operations where two or more numbers is added to get a bigger number.
The process of doing addition is also called as finding the sum
Given a graph which shows the number of times photocopier breakdowns in 2011.
We have to add the breakdowns happened for each of the photocopier A1, A2, B1, B2 and B3.
Total number of breakdowns = 15 + 21 + 34 + 32 + 23
= 125
Hence the total number of breakdowns during 2011 is approximately 125.
Learn more about Addition here :
https://brainly.com/question/29560851
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In which quadrant does the given point lie on? (2,-4)
Answer:
1 Answer. The first quadrant, Q1
Step-by-step explanation:
Answer:Bottom right aka 4
Two dice are rolled; find the probability of rolling a doubles (2 of a kind) or getting two numbers whose sum is equal to 8.
Answer:
The probability of rolling a doubles or getting two numbers whose sum is equal to 8 is 0.278.
Step-by-step explanation:
There are a total of N = 36 outcomes when rolling two fair dice.
The outcomes for rolling doubles are: {(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)}.
So, n (Doubles) = n (D) = 6
The outcomes for rolling a sum of 8 are: {(2, 6), (3, 5), (4, 4), (5, 3), (6, 2)}
So, n (Sum 8) = n (S8) = 5
Considering the outcomes of the above two events, it can be seen that there is a common outcome, i.e. (4, 4).
So, n (D ∩ S8) = 1
Compute the probability of rolling a doubles or getting two numbers whose sum is equal to 8 as follows:
[tex]P(D\cup S8)=P(D)+P(S8)-P(D\cap S8)[/tex]
[tex]=\frac{n(D)}{N}+\frac{n(S8)}{N}-\frac{n(D\cap S8)}{N}\\\\=\frac{6}{36}+\frac{5}{36}-\frac{1}{36}\\\\=\frac{6+5-1}{36}\\\\=\frac{10}{36}\\\\=0.278[/tex]
Thus, the probability of rolling a doubles or getting two numbers whose sum is equal to 8 is 0.278.
Cortez invests $2500 at a rate of 7.5% what will her balance be at the end of three years?
Given:
Cortez invests $2500 at a rate of 7.5%.
To find:
Her balance at the end of three years.
Solution:
Formula for amount:
[tex]A=P(1+\dfrac{r}{100})^t[/tex]
where, P is principal, r is rate of interest and t is time in years.
Putting P=2500, r=7.5 and t=3, we get
[tex]A=2500(1+\dfrac{7.5}{100})^3[/tex]
[tex]A=P=2500(1+0.075)^3[/tex]
[tex]A=2500(1.075)^3[/tex]
[tex]A=2500(1.242296875)[/tex]
[tex]A=3105.7421875[/tex]
[tex]A\approx 3105.74[/tex]
Therefore, her balance at the end of three years will be $3105.74.
Note: All options are incorrect.
Can someone help me......
Using the slope formula, find the slope of the line through the points (0,0) and (3,6).
Answer:
y=2x
Step-by-step explanation:
From (0,0) to (3,6), it is 3 units to the left and 6 units left, divide that so you can have 1 unit to the left and 2 units up. Therefore, the answer is y = 2x.
calculate the area of triangle ABC with altitude CD, given A(-7,-1), B(-1,5), C(0,0), and D(-3,3)
A. 9square units
B. 18square units
C. 18.5square units
D. 21square units
Answer:
d
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
