Answer:
when y=65, x=20
Step-by-step explanation:
We are given:
y varies directly as x
and y=26, when x=8
We need to find x, when y = 65
y varies directly as x can be written as:
[tex]y\:\alpha \:x\\y=kx[/tex]
Where k is constant of proportionality.
Finding k, when y=26 and x=8
[tex]y=kx\\26=k(8)\\k=\frac{26}{8}\\k=3.25[/tex]
We get the value of k = 3.25
Now, we need to find value of x, when y=65 and k=3.25
[tex]y=kx\\65=3.25(x)\\x=\frac{65}{3.25}\\x=20[/tex]
So, when y=65, x=20
is 19, and 40 a prime or composite number
Answer:
19 is a prime number. 40 is a composite number
Step-by-step explanation:
40 can be divided by number other than 1 and its self
19 can only be divided by 1 and itself
Answer:
19 is composition 40 is prime number
Fill in the blanks!!
(Will be given brainliest for the correct answers)
Answer:↓↓↓
Step-by-step explanation:
We are given that side AB is congruent to BD. We are also given that side AC is congruent to CD.
We know that side BC and side CB are congruent because of the Reflexive property.
Therefore, ΔABC and ΔDBC are congruent because of SSS Postulate.
Hope this helped!
Aisha wants to paint the four walls of her living room.
Each wall is 2.4 m high and 3.7 m long.
One wall has a door of 2 m by 0.7 m.
Tins of paint cost £12 per 1.5 L tin.
Each litre of paint can cover 8 m2 of wall.
There is an offer of: Buy 2 tins get the 3rd at half price.
How much will Aisha pay to paint her living room?
9514 1404 393
Answer:
£30
Step-by-step explanation:
The total area of the four walls is ...
A = 4 × LW
A = 4 × (2.4 m)(3.7 m) = 35.52 m²
Subtracting the area of the door, we find the painted area to be ...
35.52 m² -(2 m)(0.7 m) = 34.12 m²
Painting this area will require ...
(34.12 m²)/(8 m²/L × 1.5 L/tin) = 2.8433... tins
Aisha will need to buy 3 tins of paint, for which she pays 2.5 times the price of 1 tin:
2.5 × £12 = £30 . . . . Aisha's cost to paint her living room
£25 or £20.10
Step-by-step explanation:
calculate the area to be painted:
2.1x4.5= 9.45m^2 for each wall
x4= 37.8m^2
area of door= 1.8x0.9= 1.62m^2
subtract the area of the door from the wall area
37.8-1.62= 36.18m^2 to be painted
divide the area by the area that 1L of paint can cover
16.18/12= 3.015 L needed
if 1.5L= £10 then, 3L= £20. she needs 2 cans + an extra 0.015 L- so another can (3 cans total) add price up.
£30- but buy 2 get 3rd 1/2 price, so take £5 off. price is £25
or
calculate price for 0.015L
1.5=£10
divide both sides by 100
0.015= £ 0.10
if 1.5L= £10 then, 3L= £20. she needs 2 cans + an extra 0.015 L
£20+£0.10= £20.10
I DONT KNOW IF THIS IS RIGHT but hope it helps :)
A store is having a 20%-off sale on its video games. What is the amount of the discount on a game that regularly costs $25?
Answer:$20
Step-by-step explanation:
$25x.20=5
$25-5=20
What is the lcm of 6/8 and 4/32?
Answer:
Step-by-step explanation:
The LCM is 416. What is the least common multiple of 4 6 and 8? 4, 6 and 8 are small numbers and their LCM can be found out by writing their multiples:4: 4, 8, 12, 16, 20, 24, 28, 32,...6: 6, 12,...
ill give yall sloppy topy if yall answer
Answer:
I'm good but your answer is B. or the Second option among your choice of answers
What is greater than 4.026
Answer/Step-by-step explanation:
The number 5 is greater than 4.026
Hope this helps!
Answer:
4.027
Step-by-step explanation:
Just add a number to the problem
Which equation shows the correct use of the Distributive Property?
Hi,
I cannot see the equations so...
happy new year. eeeeeeeee e
Answer:
yeah happy new year but your answer is D
Step-by-step explanation:
I'm good at math
Answer:
NEED HELP FAST PLEASEEE!!
Answer:
y=2x+0
Slope:
2
y-intercept:
( 0, 0 )
Step-by-step explanation:
Slope intercept form: y=mx+b
Use the slope formula and the slope-intercept form to find the slope m and y-intercept b .
PLEASE ANSWER< WILL GIVE BRAINLY TO BEST ANSWER!?
Answer: D is the correct answer.
Step-by-step explanation: The triangle inequality theorem states that the sum of any two sides of a triangle must be greater than the third side and answer D does exactly that because 2.6 + 8.1 =10.7 which is greater than the third side which would be 10.2.
Rajan had 30 dollars to spend on 3 gifts. He spent 9 1 4 dollars on gift A and 5 4 5 dollars on gift B. How much money did he have left for gift C?
Answer:
$15 1/10
Step-by-step explanation:
Given that :
Total amount to spend = $30
Amount spent on Gift A = $9 1/4
Amount spent on Gift B = $5 4/5
Amount left to spend on gift C ;
$30 - (9 1/4 + 5 4/5)
$30 - (37/4 + 29/5)
$30 - (185 + 116)/20
$30 - 298/20
30/1 - 298/20
$(600 - 298) / 20
$302/20
$15 2/20
= $15 1/10
The sum of 2 numbers is 49. The second number is 15 less than the first number. The first number is
represented about x and the second number is represented about y. Write the equation that goes with
this description.
Answer:
x + y = 49
y = x - 15
Step-by-step explanation:
The sum of 2 numbers is 49 means that x+y = 49. (The two numbers are x and y, and the sum of them are 49.)
The second number is 15 less than the first number, means that y = x - 15 (The second number is y, and it is 15 less than x, which is the first number.)
Therefore the equations will be
x + y = 49
y = x - 15
Answer:
Step-by-step explanation:
The sum of 2 numbers is 49
x + y = 49
The second number is 15 less than the first number.
y = x - 15
find the distance between (-4,0) and (8,-3)
Answer:
12.3693
Step-by-step explanation:
use distance formula
Mr Andy’s class needs $7,000 dollars to buy a graphing calculator. On Friday, they had saved $1,750. On Monday, the students brought in $380 more. How much more money does the class need to save to buy the calculator?
Answer:
$4870
Step-by-step explanation:
1,750+380=2130
7000-2130=4870
Hope this helps; have a great day :)
Answer:$4,870
Step-by-step explanation:
1,750+380=2130
7000-2130=4870
Write an algebraic expression or equation to represent each word phrase.
Five times the sum of a number n and eleven
Answer:
{ N+11 }x5
Step-by-step explanation: First you have to add <n> plus eleven. In order to get a sum, you must multiply by five.
One-third of Olivia age , increased by 12 , is equal to twice her age , decrease by 3. How old is Olivia
Answer:
she would be 9
Step-by-step explanation:
Answer:9
Step-by-step explanation:
List two equivalent numbers to 0.50
DETERMINE THE MISSING SIDE
Answer:
21 in
Step-by-step explanation:
by the Pythagorean theorem we have
[tex]841=400+x^2\\\\x^2=441\\\\x=21[/tex]
notice that the 841 and the 400 don't go squared because they already squared!
plz help me with this
Answer:
its green so you got it right
and if thats not the case you are correct
Step-by-step explanation:
If the original quantity is 8 and the new quantity is ,2 what is the percent decrease?
Answer: 75%
Step-by-step explanation:
75% of 8 is 6.
8 was decreased by 6 to get 2.
8 was decreased by 75% of its initial value to get 2.
Hope this helped!
Answer:
75%.
Step-by-step explanation:
8 - 100%
2 - x
[tex]\dfrac{8}{100 \%}=\dfrac{2}{x} \\\\x=\dfrac{2 \cdot 100 \%}{8} =25 \%[/tex]
100% - 25% = 75% - the percent decrease.
Solve: 68 – x = 14
( please i really need these super fast thank you! )
Answer:
x =54
Step-by-step explanation:
68 - x = 14
find the difference of 68 and 14 to get X
68 - 14 = 54
X=54
(Sorry if it is incorrect or doesn’t make sense!)
Solve the following quadratic equation by rearranging and then factorising x^2 + 7x + 19 = 9
Answer:
your lucky you did have a online lessons earlll
Step-by-step explanation:
The following are the temperatures in °C for the first 14 days of January:
-6, -2.5, 2, 2.5, -0.5, 5, 10, -3, -7, 3, -1, 7, 1, 4.5
Answer:
x = -5 & x = -2
Step-by-step explanation:
x^2 + 7x +10 = 0 you takeaway 9 as quadratic equations have to equal 0
(x+5)(x+2) = 0 you find 2 numbers that go into 10 that add to make 7 and multiply to make 10
(x+5) = 0 so x =-5 & (x+2) = 0 so x =-2
The changes in the depth of snow, in inches, at a ski resort for four days are shown below.
-1/8, 3/4, 3/4, -1/2
What is the average change in the depth of the snow during the 4-day period?
A. 2 1/8
B.3 1/2
C. 7/32
D. 17/32
Step-by-step explanation:
Total change = (-1/8) + (3/4) + (3/4) + (-1/2) = 7/8.
Average change = Total change / 4 days
= (7/8) / 4
= 7/32. (C)
I neeeeeed help please
Answer:
(3x+21)(x-5)
Step-by-step explanation:
To solve this let's create an equation that has intercepts at -7 and 5
To do this we get the following
(x+7)(x-5)
Now we need to make sure that the line passes through (4,-33) To do so we will plug in 4 to see how far off we are
If you plug in 4 into x you should get -11
To make y= -33 we simply need to put a three in the front and then distribute it to the first bracket
So we have
3(x+7)(x-5)
then distribute the 3 to get
(3x+21)(x-5)
I doubled checked this answer on desmos and my math is correct
Lydia made 3 pounds of trail mix. One portion of trail mix is 19 pound. How many portions of trail mix did Lydia make?
Answer:
I have the same question but no one will help me
Step-by-step explanation:
rectangle
rhombus
square
isosceles trapezoid
Answer:
Rhombus
Step-by-step explanation:
It does not have congruent diagonals
Simplify:
3x (x^2 + 5x – 4)
The answer is 3x^3+15x^2-12x.
What is the x intercept of the line below?
Answer:
i think it is -5
Step-by-step explanation:
-5
A laundry basket has 24 t-shirts in it. Four are navy, twelve are red and the remaining are white. What is the probability of not selecting a red shirt? *
Answer:
50%
Step-by-step explanation:
Identify the population of shirts that are *NOT red.* In this case 12 are red. This means that 12 shirts are *not red.* 12/24 = .5 or 50% probability.
