PLZ HELP ME ANSWER ASAP!!!!!!!!!!!
SECOND TIME I SAY THIS, EXPLAIN WHY
oh my
oof
ya
why?
oops
okay
this looks cool
Rebecca decides that this building will be too small at a scale of 1 cm = 3 m. She changes the plan to be at a 1 cm = 4 m scale. What will be the area of the circular pool when it is constructed at this scale?
Answer:
A. 78.5m^2
Step-by-step explanation:
To find the area of a circle you have to do:
Area = πr^2
The diameter is 2.5 x 4 which equals 10 and radius is half the diameter, so 5. Now your equation would be:
Area = π5^2
Solve:
π x 5^2
5^2 = 5 x 5 = 25
π x 25
π ≈ 3.14
3.14 x 25 = 78.5
Answer:
π5^2 ≈ 78.5
78.5m^2
The area of rectangle is 120 m² and its breadth is 8 m. Find the perimeter of the rectangle.
• Area of rectangle = 120 m²
• Breadth = 8m
To find :• perimeter of the rectangle .
Solution:As we know that ,
• Area of rectangle = L× B
=> 120 = L × 8
=> L = 120/8
=> L = 15
Length of the rectangle is 15m .
Now ,
• perimeter of rectangle = 2 (L+B)
=> perimeter of rectangle = 2 (15+8)
=> perimeter of rectangle = 2 ( 23)
=> perimeter of rectangle = 46
Hence, the perimeter is 46 m .
I hope it will help you.
Regards.
The graph shows the relationship between the temperature and the number of hours after a storm. What is the
slope for the change in temperature
A:-2
B:-5
C:2
D:-1/2
Answer:
-5
Step-by-step explanation:
becuase if you rise 5 run 1 is 5/1 but the line is dowhill so is 5/-1 = -5.
Answer: B -5
Step-by-step explanation:
Select all of the nets that can be folded and assembled into a triangular prism like this one
Answer:
the answer is A and D
because i did it
Step-by-step explanation:
(⅗) + ( ⅔) =
NEED HELP ANYONE!
Answer:
19/15
Step-by-step explanation:
Common denominator is 15
Answer:
1 4/15
Step-by-step explanation:
PLEASE HELPP idk what this iss
Answer:
its an input and output table
Step-by-step explanation:
If 5 2 = 10 and 10 = 100,
then 5 2 = 100
what is the property
Answer:
Multiplication
Step-by-step explanation:
Ik
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?
Answer:
A. The equation of the line is y=−2.5x+10.
C. The y-intercept is k.
F. The value of k is 10.
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?
A. The equation of the line is y=−2.5x+10.
B. The equation of the line is y=−2.5x.
C. The y-intercept is k.
D. The y-intercept is 4.
E. The value of k is 4.
F. The value of k is 10.
Solution:
The slope of a line is the ratio of the vertical change to the horizontal change. The slope (m) of a line passing through [tex](x_1,y_1)\ and\ (x_2,y_2)[/tex] is:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Given that the line passes through (0, k) and (4,0)
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]-2.5=\frac{0-k}{4-0}\\\\-2.5=\frac{-k}{4}\\\\k=10[/tex]
The equation of the line is given as:
[tex]y-y_1=m(x-x_1)\\\\y-10=-2.5(x-0)\\\\y = -2.5x+10[/tex]
The y intercept is the value of y when x = 0, hence intercept = k
Given the line that passes through points (0, k) and (4,0) and has a slope of –2.5, we need to get the value of "k
The formula for calculating the slope of a line is expressed as:
[tex]m=\frac{y_2-y_1}{x_2-x_1}\\-2.5 = \frac{0-k}{4-0}\\-2.5=\frac{-k}{4} \\Cross \ multiply\\-2.5 \times 4 = -k\\-10 = -k\\k = 10[/tex]
Hence the value of k is 10.
Learn more here: https://brainly.com/question/12922257
From the coordinate given (0, 10) and (4, 0), we can see that the y intercept and x intercept of the graph is 10 and 4 respectively
12x-6=16+8x solve for x
Answer:
x =19Step-by-step explanation:
[tex]\frac{x+2}{6}=\frac{2x-10}{8} \\\\Cross\:Multiply\\\\8x+16=12x-60\\\\\mathrm{Subtract\:}16\mathrm{\:from\:both\:sides}\\8x+16-16=12x-60-16\\\\Simplify\\8x=12x-76\\\\\mathrm{Subtract\:}12x\mathrm{\:from\:both\:sides}\\8x-12x=12x-76-12x\\\\Simplify\\-4x=-76\\\\\mathrm{Divide\:both\:sides\:by\:}-4\\\frac{-4x}{-4}=\frac{-76}{-4}\\\\Simplify\\\\x =19[/tex]
You hope to have revenue of $4,000 and a gross margin percentage of 40%. What is your dollar gross margin? (Gross margin is revenue less direct product costs.)
Answer:
$1,600
Step-by-step explanation:
I need help i am so confused!!!
[tex]\tt Step-by-step~explanation:[/tex]
To solve for all three equations, we plug in each of the values (-2, 0, 5) into f(x) and x.
[tex]\tt x~as~-2:[/tex]
Equation: f(x) = x + 6. x as -2: f(-2) = -2 + 6
[tex]\tt f(-2)=-2+6\\f(-2)=4[/tex]
[tex]\tt x~as~0:[/tex]
Equation: f(x) = x + 6. x as 0: f(0) = 0 + 6
[tex]\tt f(0)=0+6\\f(0)=6[/tex]
[tex]\tt x ~as~5:[/tex]
Equation: f(x) = x + 6. x as 5: f(5) = 5 + 6
[tex]\tt f(5)=5+6\\f(5)=11[/tex]
[tex]\large\boxed{\tt Our~final~answers:~f(-2)=4,~f(0)=6,~f(5)=11}[/tex]
Ariel put an empty cup underneath a leaking faucet. After 1 ½ hours she had collected ¼ cup of water. What is the rate, in cups per hour, at which water is leaking from the faucet?
Answer:
1/6 cups per hour
Step-by-step explanation:
Which shows two expressions that are equivalent to (Negative 7) (Negative 15) (Negative 5)?
-525 and (35)(-15)
Step-by-step explanation:
You can calculate the result of this expression as follows:
(-7)(-15)(-5)=(-1)³(7×15×5)=-(7×15×5)=-525
as, (-1)^n=1 if n is even and (-1)^n=-1 if n is odd.
We already saw that -525 is equivalent to the expression. Furthermore:
(-7)(-15)(-5)=(-15)(-7)(-5)=(-15)(-1)²(7×5)=(-15)(7×5)=(-15)(35).
so the second expression is also equivalent.
You can discard the third and fourth answers because 115×5=575≠525. The first one is also discarded, because (-7)(75)=525≠-525.
The value of equivalent expression are, (- 1)(525) and (35)(- 15).
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Now, We can check all the options as,
(- 7) (-15) (- 5)
= (105)(-5)
= - 525
(–7)(–75) and (–1)(525)
= 525 & - 525
Not Equal
(–1)(525) and (35)(–15)
= -525 and - 525
Both Equal to (- 7) (-15) (- 5)
(35)(–15) and (115)(–5)
= -525 and - 575
Not Equal
(–1)(525) and (115)(–5)
= -525 and - 575
Not Equal
Hence, Expressions (- 1)(525) and (35)(- 15) are equivalent to (- 7) (-15) (- 5).
Learn more about the mathematical expression visit:
brainly.com/question/1859113
#SPJ2
The complete question is this,
Which shows two expressions that are equivalent to (Negative 7) (Negative 15) (Negative 5)? (Negative 7) (Negative 75) and (Negative 1) (525) (Negative 1) (525) and (35) (Negative 15) (35) (Negative 15) and (115) (negative 5) (Negative 1) (525) and (115) (negative 5)
For the summer reading club, Xavier is required to read 2 books every week.
What line represents this requirement?
Line a
Line b
Line c
Line d
A line has a slope of -2 and a y-intercept of -2.
9
4
3
1
S_7_64_3_2
-2
-6
What is the x-intercept of the line?
Save and Exit
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Submit
Mark this and return
A line has a slope of -1/2 and a y intercept of of -2, what is the x intercept of the line?
Answer:
C
Step-by-step explanation:
Because i took the test already
Step-by-step explanation:
What is 5x4+3-2/7 =?
Answer:
22.7142857143
Step-by-step explanation:
i did it on a calculator
plz give brainliest
Answer:
159/7
Step-by-step explanation:
5 times 4=20
20+3=23
23-2/7
159/7
Can you write a number using 20 digits after the decimal point. Explain your thinking.
Can someone tell me how I solve this, like explain how I do the steps not just the answer
==================================================
Explanation:
Pick any two rows from the table to form (x,y) points
I'll select the first two rows.
(x1,y1) = (-4,-3) from row 1
(x2,y2) = (0,-2) from row 2
Plug those values into the slope formula
m = (y2-y1)/(x2-x1)
m = (-2-(-3))/(0-(-4))
m = (-2+3)/(0+4)
m = 1/4
The slope is 1/4, which is also the rate of change.
Juana is making fruit salad. The table shows the numbers of apples and bananas needed for various amounts of fruit salad. How many apples does Juana need to make 5 bowls of fruit salad?
Bowls of fruit salad
2 4 6
Apples needed
12 24 36
Bananas needed
14 28 42
Answer:
30 apples for 5 fruit bowls
Step-by-step explanation:
if you divide 12/2, you get 6, and six is the rate of how many apples in each bowl, so 6 x 5 is 30.
i raised the points up, please help!! i will mark u as brainliest too!!
Three groups of students used different methods to estimate the diagonal length of a patio in feet. Their results were:Which list shows these diagonal lengths in order from greatest to least?
Answer:
Greatest to least...
4 to the power of 13, 14 2/5, 14.33
Step-by-step explanation:
I got this correct on my test
WILL GIVE BRAINLIEST TO WHOEVER GIVES BEST ANSWER!!!!
Simplify an expression for the perimeter of the rectangle shown.
( answer choices shown in image )
Answer: I think 11x + 5 or I think 40x + 15
Step-by-step explanation:
I think it's 40x + 15
helpppp]pppppppppppp
Answer:
127
Step-by-step explanation:
1+2+4+8+16+32+64
the number of bills given doubles each day.
What is the constant of proportionality for the data in the table?
Answer: k=15
Step-by-step explanation:
Which system has no solution because exactly two of the planes are parallel?
(x-y-z-3
A -y-2=-4
(x +2y + z-1
1x - 3y + 2-4
B
-+ 3y + 2 - 4
(.x - 3y + 2z - 4
(2.x + y + 3 - 4
С
{2x + y +2 -1
(2x + y + z = 5
(r-4
D
{y-7
(x + y + 2 - 6
Answer:
confusing confusing actually
A car salesperson earns 30 percent of the profit for each car sold. If a salesperson earns $300 from the sale of a car, what was the profit?
Answer:
x=$10000
Step-by-step explanation:
sorry if its wrong lol
$800 = $300 +.05(x), x being the amount that must be sold
Subtract 300 from both sides
$500= .05(x)
Divide by .05
What would be the x Intercept of this equation?
3x -2y =6
Answer:
x=2
Step-by-step explanation:
use the cover up method
HELP! ASAP! PLEASE!
PLEASE EXPLAIN AND TRY NOT TO GET IT WRONG. I'M AT 79 AND IF I GET 80 = PASS.
Answer:
negative
Step-by-step explanation:
a posotive times a negative is a negative
Answer:
positive
Step-by-step explanation:
Based on the number line, we can assume u is -1/2 and v is 2Plug the values of u and v in: [tex]-\frac{-\frac{1}{2} }{2}[/tex] Because there are two negatives, they can cancel out to become a positive: [tex]\frac{\frac{1}{2} }{2}[/tex] [tex]\frac{\frac{1}{2} }{2}[/tex] = 1/2 ÷ 2 = 0.25Because 0.25 is positive, the answer is positiveI hope this helps!
Solve 2(x + 1) = 2x + 2.
O All real numbers
O No solution
00
01
Please help
Answer:
All real numbers.
Step-by-step explanation:
If both sides, when simplified, equals each other, the answer will be "all real numbers". Simplify the left side. Distribute 2 to all terms within the parenthesis:
2(x + 1) = (2 * x) + (2 * 1) = 2x + 2
2x + 2 = 2x + 2 ∴ A) All real numbers is your answer.
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