Answer:
b
Step-by-step explanation:
For this question the answer will be b
Hope this helps and hope u pass test
1. A straight fence is constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. A certain fence begins and ends with a post. If there are 7 posts, what is the total length of the fence?
Answer:
72
Step-by-step explanation:
First, we will multiply the number of posts (7) by the posts' width (6) to get 42.
Since there is a chain between each post, there are 6 chains.
Multiplying the number of chains (6) by the chains' length (5), we get 30.
The question asks us to find the total length of the fence, so we add 42 and 30 and get 72.
Hope this helps!
I do give brainliest
Answer:
Step-by-step explanation:
Slope of the line = y2 - y1 ÷ x2 - x1
====> 8 - (-6) / (-1) - 5
= 14 / -6 = -7 / 3
simplify by combining like terms: 5.5r + 3.2r
Answer: 8.7r
Step-by-step explanation:
Answer:
8.7r
Step-by-step explanation:
5.5+3.2=8.7so 8.7r.
Hope this helps ;D
3+(-7) +(-6) add the following integers
Answer:
-10
Step-by-step explanation:
expand: 3-7-6=-10
note smaller positive number minus bigger number makes negative answer, e.g 7-8= -1
The answer is:
-10Work/explanation:
Use the integer rule:
\(\rhd\quad\sf{a+(-b)=a-b}\)
___
\(\rhd\quad{\sf{3+(-7)=3-7=-4}\)
\(\rhd\quad\sf{-4+(-6)=-4-6=-10}\)
Hence, the answer is -10.
Kenny purchased the items shown in the table.
Item Cost ($)
circular saw 79.95
screws 12.50
tape measure 16.75
wood glue 5.20
In the city he lives in, the sales tax rate is 6.5%. In another city, the sales tax rate is 5%. How much more is he spending if he purchases the items in the city he lives in? Round to the nearest cent.
Answer: Kenny will pay an extra $1.68 in the city he lives in.
Step-by-step explanation:
The ordered pairs below represent a linear function.
(3/4, 6 1/4), (1 1/4, 7 3/4), (x, y)
Which values could be the value of x and y?
Answer:
x can be any real number, and y is the corresponding number according to the function y=3x+4
Step-by-step explanation:
We find the function first, by finding the slope.
Using this formula, m= (y1-y2)/(x1-x2)
= (31/4 - 25/4)/(5/4 - 3/4) = 3/2÷1/2 = 3
Now we can find the y-intercept by substituting it as b, and x and y as one of the points.
y=mx+b
25/4=9/4+b
b=4
And now you fill out the format, y=mx+b with your newfound values of m and b,
y=3x+4
From this function, you can input any real number (x) and get your corresponding value (y).
Differentiate... How to solve this type of problem? y = cos^2(x^2 + x^3)
Answer:
\(\frac{d y}{d x} = - (2 x + 3 x^{2} )sin2(x^{2} +x^{3})\)
Step-by-step explanation:
Step(i):-
Given y = cos² (x² + x³) ....(i)
By using differentiation formulas
a) \(\frac{d}{dx} (cosx) = -sinx\)
b) \(\frac{d}{dx} (x^{n} ) = n x ^{n-1}\)
Step(ii):-
Differentiating equation (i) with respective to 'x'
First apply formula \(\frac{d}{dx} (x^{n} ) = n x ^{n-1}\)
\(\frac{d y}{d x} = 2 cos (x^{2} +x^{3} )^{2-1} \frac{d}{d x} (cos(x^{2} +x^{3})\)
Now we will apply formula
\(\frac{d}{dx} (cosx) = -sinx\)
\(\frac{d y}{d x} = 2 cos (x^{2} +x^{3} ) (-sin(x^{2} +x^{3})\frac{d}{dx} (x^{2} +x^{3} )\)
Again apply formula \(\frac{d}{dx} (x^{n} ) = n x ^{n-1}\)
\(\frac{d y}{d x} = 2 cos (x^{2} +x^{3} ) (-sin(x^{2} +x^{3}) (2 x + 3 x^{2} )\)
\(\frac{d y}{d x} = -2 sin (x^{2} +x^{3} ) cos(x^{2} +x^{3}) (2 x + 3 x^{2} )\)
we know that trigonometric formulas
Sin 2θ = 2 sinθ cosθ
\(\frac{d y}{d x} = -sin2(x^{2} +x^{3}) (2 x + 3 x^{2} )\)
Final answer:-
\(\frac{d y}{d x} = - (2 x + 3 x^{2} )sin2(x^{2} +x^{3})\)
Ron needs a new pair of prescription glasses, and a new pair of sunglasses. They each retail for $95 at a store that has frequent sales. Which of the following sales is the best deal?
Buy one, get one 50% off
15% off your entire purchase
$20 mail-in rebate
40% off any one item
Answer:
Buy one, get one 50% off.
Step-by-step explanation:
If you get 15% off entire purchase, you end up spending $163.40. If you get 40% off any item you spend $152. If you buy one get one 50% off, you spend $142.5. Pls mark brainliest!
PLS HELP WITH ALL !THREE! I REALLY NEED HELP!
Answer:
1. 17
2. 20
3. 0
Step-by-step explanation:
The "||" signs around the numbers indicate absolute value.
Absolute value is how far a number is from 0. Ex. The absolute value of -7 would be 7, because -7 is 7 numbers away from 0.
So in these problems, we are taking the absolute values of each number. We will also be using PEMDAS because there are multiple operations in each problem.
P - parenthesis
E - exponent
M - multiplication
D - division
A - addition
S - subtraction
--------------------------------
\(2*|12|-|-7|\)
⇩
\(2*12-7\)
\(24 - 7\)
\(=17\)
--------------------------------
\(|-108| / |36|+|17|\)
⇩
\(108/36+17\)
\(3+17\\=20\)
--------------------------------
\(|-5|*|12|-|5|*|-12|\)
⇩
\(5*12-5*12\)
\(60-60\\=0\)
Answer: hope this helps ♡
2 × | 12 | - | -7 | = 17
| -108 | ÷ | 36 | + | 17 | = 20
| -5 | × | 12 | - | 5 | × | -12 | = 0
Step-by-step explanation:
(a negative number will become positive if it's in these brackets: |-12|= 12)
2 × | 12 | - | -7 | =
2 × 12 - 7 = (-7 becomes positive seven, +7)
24 - 7 = 17
| -108 | ÷ | 36 | + | 17 | =
108 ÷ 36 + 17 = (-108 becomes positive one hundred and eight, +108)
3 + 17 = 20
| -5 | × | 12 | - | 5 | × | -12 | =
5 × 12 - 5 × 12 = (-5 and -12 become positive five and twelve, +5 and +12)
60 - 60 = 0
You have gone out to eat with a couple of friends. One is your date, and the other is your good friend Bill. At the end, you get the check, and you decide to split it in two parts. You will pay for yourself and your date, while Bill will pay for 1/3 of(*) the total amount. You end up paying $16.00 for your part of the meal. Later, you can’t remember how much the total bill was, but you are sure you can figure it out.
1. Write a system of equations to represent this situation, and solve the system to find out how much the total cost of the meal was (including your part as well as Bill’s part). Show all of your work.
2. How much did Bill pay for his part of the meal? Again, show all of your work.
Answer:
$16.00
Step-by-step explanation:
Suppose total bill was X.
Bill paid = X/3
So, other part = X - X/3 = 2X/3
My and date's part = 2X/3 * 1/2 = X/3
16.00 = X/3
X = 48.00
Bill paid=$16.00
The diagram below shows the number of ice cream cones sold in a day at a local ice cream shop.
Based on these results what is the most reasonable prediction of the number of chocolate chip ice cream cones that will be sold out of the next 240 cones sold?
Answer:
B
Step-by-step explanation:
don't add links please.
Picture attachment below
Answer:
1/3
Step-by-step explanation:
the total outcomes is 3*4 = 12
the probability to get two digit numbers 14 or less is :
11 12 13 14
4/12 = 1/3
Pls help on 1-3 ASAP
Answer:
1: Lowest-77 Higest: 99 Center: 88 Spread: 22
Step-by-step explanation:
Answer:
1)
Lowest: 77
Spread: 77 through 99
Highest: 99
Center: 88
2)
Lowest: 24
Spread: 24 through 84
Highest: 84
Center: 52
Step-by-step explanation:
The spread is just the numbers you are counting to so like in number 1 it is 77 through 99, does that make sense? Hope this helps!
help please math sucks
Answer: 5.3
0
12
-14
Step-by-step explanation:
Evaluate using the order of operations
Answer:
Step-by-step explanation:
First, you have to solve it with parenthesis, where the answer is one, then multiply them by 6= 6. The answer is 4.
The length of a rectangular garden is 20 feet and the width is 15 feet. What is ratio of length to width?
Answer: 4:3 because 20 divided by 5 is 4 and 15 divided by 5 is 3.
Emmett deposited $90 in an account earning 4% interest compounded annually.
To the nearest cent, how much INTEREST will he earn after two years? (Hint: You are finding the interest, not the total amount in the account.)
Responses
$7.34
$97.34
$10.34
$90.00
Answer:
7.34
Step-by-step explanation:
Is your math teacher in K12 Mrs Stucker?
in a survey of 3,100 people who owned a certain type of car, 2,015 said they would buy that type of car again. What percent of people of the people surveyed were satisfied with the car?
The percent of people of the people surveyed were satisfied with the car is the percent of people of the people would buy that type of car again, so we have: 2015 ÷ 3100 × 100% = 65%
ANSWER: 65%
Ok done. Thank to me :3
Answer:
2015 / 3100%= 65%
Step-by-step explanation:
You could never tell how many people there are in this world. So that is why the 3100 should have a percentage which is divided by 2015, equals 65%.
Tom saved $128, and his goal is to save $500. How much more must he save?
Which equation BEST represents this situation?
x + 500 = 128
x - 500 = 128
x - 128 = 500
x + 128 = 500
Answer:
x+128 = 500
the reason is because its right
PLEASE HELP!
Which example of data set can only be summarized by the mode?
A) Reaction time for a task
B) Preferred political party
C) Income in a county
I am giving 100 points for this two questions
Answer: 100/12 = 8.33333
Step-by-step explanation:
Answer:
16.667%
Step-by-step explanation:
first question
2/12
100/12 = 8.333
2 x 8.333/ 12 x 8.333 = 16.667/100
= 16.667%
second question
56 x 2553 = 142968
142968/100 = 1429.68
56% of 2553 is 1429.68
given
\( log(x) = 2 \: and \: log(y) = - 1\)
prove that
\(xy - 100y {}^{2} = 9\)
Step-by-step explanation:
\( log(x) = 2 \\ {10}^{2} = x \\ x = 100\)
then for y:
\( log( y) = - 1 \\ {10}^{ - 1} = y \\ y = 0.1\)
so:
\(xy - 100 {y}^{2} \\ = 100 \times 0.1 - 100 \times {(0.1)}^{2} \\ = 10 - 100 \times 0.01 \\ = 10 - 1 \\ = 9\)
The property of taxes on a home varies directly with the value of the home. Jack currently lives in a home worth $172,000 and pays $13,760 on taxes.
Identify the constant.
Answer:
the constant is 172,000
Step-by-step explanation:
because the home's worth never changes, but the taxes change based on the year
Answer:
Jack pays 8% property tax
172,000. X .08 = $13,760
So
329,000. X .08 = $26,320
Answer needed WITH explanation asap
Answer:
14
Step-by-step explanation:
5x + 2 + 48 = (180-120)+30 +30
5x+50 = 60+30+30
5x+50=120
5x=120-50
5x = 70
x = 70/5
x = 14
What integer that makes the following addition sentence true?
?−(33)+63+(−38)=3
Answer:
11
Step-by-step explanation:
11 - 33 = -22
-22 + 63 = 41
41 - 38 = 3
can you guys help plz
tell me the answer and how u did it!
Answer:
C 4(16+7) BEAUSE 4 IS THE GCFStep-by-step explanation:HELP PLEASE BRAINIEST
Which of the following equations is equivalent to y = 4x + 3?
A. -4x + y = 3
B. 4x + y = 3
C. -4x - y = -3
D. -4x - y = 3
Answer:
Option A is correct answer
Step-by-step explanation:
mark me brainliest
Which graph represents a function with a growth factor of 5?
A. On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and increases into quadrant 1. It goes through (negative 1, 0. 125), (0, 0. 25), (1, 0. 5).
B. On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and increases into quadrant 1. It goes through (negative 1, 0. 125), (0, 0. 5), (1, 2).
C. On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and increases into quadrant 1. It goes through (negative 1, 0. 04), (0, 0. 2), (1, 1).
D. On a coordinate plane, an exponential function approaches y = 0 in quadrant 2 and increases into quadrant 1. It goes through (negative 1, 0. 06), (0, 0. 6), (1, 6)
Answer: B
Step-by-step explanation:
it is multiplied by 5 each time since the growth factor is 5