Answer:
P = 17t + 7
Step-by-step explanation:
P = 2L + 2w
L = 1.5t + 5
w = 7t - 1.5
P = 2*(1.5t + 5) + 2*(7t - 1.5)
P = 3t + 10 + 14t - 3
P = 17t + 7
The sales tax for an item was $9.80 and it cost $490 before tax.
Find the sales tax rate. Write your answer as a percentage.
Answer:
2%
Step-by-step explanation:
Divide the tax by the pre-tax price
9.8/490 = .02 or 2%
MAY YOU PLEASE HELP ME
Answer: y=20x+10
Step-by-step explanation:mark me brainlest please
Maria looked at the nutrition labels for 5 different foods. She recorded the total calories and the calories from fat for each food in a table.
Calories
Calories from Fat
Percent of
Calories
from Fat
60
270
455
130
Food 1
Food 2
Food 3
Food 4
Food 5
125
40
90
25
310
95
Maria wants to identify which foods have a percent of calories from fat that is less than 30%. Select all of the foods that meet this criterion.
Answer:
food 1 food 3 food 5
Step-by-step explanation:
What is another way to write (2x - 3)?
Answer:
See below
Step-by-step explanation:
Many ways...
x+x-3
2x-6+3
5x-3x-3
(4x-6)/2
And the list goes on...
Answer: (2x)-3
2x-3
Step-by-step explanation:
if this isn't right let me know I have others to
Identify the multiplication problem that matches the model
Answer:
I think its 2 x 5/8
Step-by-step explanation:
tell me if its right!
are -225 degrees and 225 degrees coterminal angles ?
Maria has two routes, E and W, she can take when commuting to work. Both routes go through a railroad crossing, and sometimes she needs to stop at the crossing to allow trains to pass. She claims that the proportion of times she needs to stop when taking route E is different from the proportion of times she needs to stop when taking route W. She conducted the following hypothesis test at the significance level of α=0.10.
H0: pE=pW
Ha: pE≠pW
In the hypotheses, pE represents the proportion of times she needs to stop at the crossing when using route E, and pW represents the proportion of times she needs to stop at the crossing when using route W.
All conditions for inference were met, and the resulting p-value was 0.37. Which of the following is the correct decision for the test?
The p -value is less than alpha , and the null hypothesis is rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.
The p -value is greater than alpha , and the null hypothesis is not rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is the same for the different routes.
The p -value is greater than alpha , and the null hypothesis is rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.
The p -value is greater than alpha , and the null hypothesis is not rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.
The p-value is greater than α, and the null hypothesis is rejected. There is convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.
Answer:
The p-value is greater than α , and the null hypothesis is not rejected. There is not convincing evidence to support the claim that the proportion of times she needs to stop at the crossing is different for the different routes.
Step-by-step explanation:
The claim is not supported. Since 0.37>0.10, the null hypothesis is not rejected. There is not convincing statistical evidence that the proportion of times she needs to stop at the crossing is different for the different routes.
PLS HELP ME I SUCK AT MATH
How many groups of 3/4 are in each of the following quantity 11/4?
On a math quiz, you earn 10 points for each question answered correctly. In the equation below, x represents the number of questions that you answer correctly on this quiz, and y represents the total number of points you score on this quiz. The relationship between these two variables is modeled by the equation y = 10x.
What is the independent variable?
A) The value of 10 in the equation.
B) The total number of points scored on the exam.
C) The number of questions answered correctly on the exam.
D) The independent variable cannot be determined from the given information.
Answer:
C
Step-by-step explanation:
What is the simplified version of this?[tex]\frac{\sqrt{2} }{3+\sqrt{5} }[/tex]
Answer:
(3√2 - √10)/4Step-by-step explanation:
Simplify, rationalize the denominator
√2/(3 + √5) = √2(3 - √5)/(3 + √5) (3 - √5) =(3√2 - √10)/(3² - 5) =(3√2 - √10)/4These two triangles are congruent. Which side of triangle PQR is the same length as AB?
RP or PR
QR or RQ
PQ or QP
Answer:
QR OR RQ
,,,,,,,,,,,,,,,,,
Ms. Rios mowed
2
7
of her lawn. Her son mowed
1
4
of it. Who mowed most of the lawn? How much of the lawn still needs to be mowed?
Answer:
Ms Rios mowed more
Step-by-step explanation:
I'm assuming that there's 100% of the lawn so if Ms Rios mowed 27% of the lawn when it was at 100% it would be at 73%
Now if her son mowed 14% and it was still at 100% it would be at 86%
So in the end Ms Rios mowed more of her lawn
I need help with this please
Answer:
x + 12 ft
Step-by-step explanation:
Area = base times height. Here we know the area (x^2 + 9x - 36) and the width (x - 3). Since area = length times width, divide the given area by x - 3.
x^2 + 9x - 36 factors into (x - 3)(x + 12).
Dividing this result by x - 3 yields the length: x + 12 ft
The expression −310+13m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 13 feet per minute. What was the depth of the submarine after 8 minutes?
Answer:
206
Step-by-step explanation:
The formula for this problem would be -310 + 13(8) which = 206
Solve for x.
A
6
B
12
С
14
D
18
teri is making ribbons to give to her friends. Her budget is limited, and she has some constraints on the number of bracelets she can make compared to the number of ribbons. She has drown a graph to represent the number of items she can make where x represent the number of ribbons and y represents the number of bracelets
Step-by-step explanation:
not a solution
(4,3) / (3,10)
solution
)4,-3)...........(2,10)
please help marking brainlist What is the second inverse operation for the following problem? 3x+4=12
Answer:
x = 2.66666667
Step-by-step explanation:
3x + 4 = 12
- 4 = - 4
3x = 8
3x / 3 = 8 / 3
x = 2.66666667
can i be brainiest...
can some one plz help me anwer choices are x =77/3 x=19 x=19 x=77/3
thats it
Answer:
Parithisis first, mutiplication next
Step-by-step explanation:
Please Excuse My Dear Aunt Sally
Capitals stand for first letters of the sequence of the operation
write the equation of the line
Answer:
y=1x+0
Step-by-step explanation:
it is going up by 1 and it cross the y-axis at 0
I don’t understand this plsss help. You don’t rlly need to give an explanation if you don’t feel like it. I just need an answer
Please help! And I need the steps too!
Answer:
-25
Step-by-step explanation:
Step 1: 2-9-5-3-2-[tex]2^{3}[/tex]
Step 2: 2-9-5-3-2-8
Step 3: -25
Can someone help me with this please?
Answer:
c
Step-by-step explanation:
proportionality of 4 on all
Need Help With This -Award 10 Points
Decrease 10kg by 20%
Answer:
8Kg
Step-by-step explanation:
20% of 10 = 2
10 - 2 = 8
That's your answer!
What's nine plus ten? Is it 21 or 19
Answer:
19 duh
Step-by-step explanation:
PLEASE HELP (algebra 1)
A sports store employee needs to decide how many soccer balls to put on display. The store manager wants the number of soccer balls on display to be at least two more than the number of basketballs on display. The
store employee represents this restriction as y2 + x, where x is the number of basketballs, and y is the number of soccer balls on display
Which of the following ordered pairs represent viable solutions in terms of the context? Select all that apply.
(4. 10)
(15, 18,5)
(14, 12)
(10, 12)
(-1,3)
Answer:
I think it's 15 18 and 5 or 14,12
The solution are (4, 10) and (10, 12).
What is inequality?The phenomenon of unequal or unequal distribution of resources and opportunities among members of a given society is referred to as inequality. In different contexts and for different people, the concept of inequality may mean different things. In addition, there are distinct but interconnected economic, social, and spatial dimensions to inequality. The disjuncture between the moral ethics of equity and social justice, on the one hand, and the normative concept of "deservingness," on the other, adds complexity to debates about inequality.
Given equation of inequality for basket ball and soccer ball
y ≥ 2 + x
where x is the number of basketballs, and y is the number of soccer balls on display,
situation says the second number must be at least 2 more than the first number. Also, we are dealing with basket ball and soccer ball, so we won't have negative numbers (Choice E is out) or fractions (Choice B is out).
for choice A: x = 4 and y = 10 (10 is 6 more than 4)
for C: x = 14 and y = 12 (12 is 2 lee than 14 it is not correct)
for D: x= 10 and y = 12 (12 is 2 more than 10)
Hence the option A and D is correct representation for solutions.
Learn more about inequality;
https://brainly.com/question/20383699
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Find the geometric mean of the numbers. If necessary, give the answer in simplest radical form.
25 and 29
The geometric mean is .
Answer: jnes
Step-by-step explanation:
sed
ws
wed
439x2 ( Use only algorithm. )
Answer:
878
Step-by-step explanation:
439 x 2
2x9= 18
2x30=60
2x400=800
Then add
800+60+18
60+18=78
800+78= 878
factoring is the opposite of what operation
Answer:
Factoring is the opposite of multiplying (or using the distributive property to multiply.)
Step-by-step explanation: