Answer:
45
Step-by-step explanation:
picking 18 flowers = 2/5 of garden or 40%
18÷.4=45
This is algebra 1
Determine if (2,4) is a solution to this inequality: y < 2x + 2. Explain your reasoning.
Answer:
Yes
Step-by-step explanation:
To check if (2,4) is a solution to the inequality, y<2x+2, substitute the values of x and y in the inequality and see if it holds good for those values
y=4, x=2
Let's see if 4<2*2+2 => 4<4+2 => 4<6
And the inequality is true. So, (2,4) is a solution to this inequality
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Algebraically, the point (1, -5) satisfies the first inequality, but it does not satisfy the second inequality because -5 is not greater than -5. Graphically, the point (1, -5) lies in the shaded area of the first inequality but lies on the dashed line of the second inequality, which is not inclusive. Therefore (1, -5) is not a solution to the given system of inequalities.
Chris wants to fence a square area of his yard for his dogs. if he wants the area of the square to be 121 square feet, what does the perimeter of the square need to be?
please i'm about to fail
Answer: the perimeter of the square is 44
Answer:
44 ft
Step-by-step explanation:
The area (A) of a square is calculated as
A = s² ( s is the side length )
Here A = 121, thus
s² = 121 ( take the square root of both sides )
s = [tex]\sqrt{121}[/tex] = 11
Perimeter = 4 × 11 = 44 ft
Alfred and his 4 friends bought 13 1/4
pounds of gummy bears at 1.20 a pound. What is the total cost of the gummy bear?
Answer:
$15.90
Step-by-step explanation:
$1.20 x .25 is the cost of 1/4 pound = $ 0.30
13 lbs × 1.20 = $15.60
15.6 + .3=15.9
A science club at Emily’s middle school has 25 members. Only 40% of the members attended Saturday meetings. What is the number of members that attended the Saturday meetings?
A. 6
B. 9
C. 10
D. 15
(Will give brainliest and a heart)
Please help!
575 mL = __ L
0.987 m = __ mm
24 kg = __ g
1,350 cm = __ m
Answer:
575mL= 0.575 Liters
0.987 Meters = 987 Millimeters
24 Kilograms = 24000 Grams
1,350 cm = 13.5m
Plz help! Is this right? Question is below!
Answer:
yes
Step-by-step explanation:
Which points on the number line represent the quotients of these expressions? 12 divided by -6 and -15 divided by -3
Answer:
2,5
Step-by-step explanation:
basta isipin mo BWHAHAHAHAHHA balakadan
Answer:
Step-by-step explanation:
12 ÷(-6) = -2
-15÷(-3) = 5
If Kim owns 5 shares of stock and receives $12 per year how many shares of stock will she need to receive $24
Answer:
10
Step-by-step explanation:
one possible way to do this is to simply observe that 12*2 =24, so 5 shares must also be multiplied by 2
another way is to set up a proportion, 5/12=x/24, cross multiply, 5*24=12x, solve for x, x=(5*24)/12=10
Evaluate the expression:
1 - 2(x-y) when x = -2, y = 1
Answer:
7
Step-by-step explanation:
Plug in the values of x and y: 1 - 2(-2 - 1)Solve what's in parenthesis: -2 - 1 = -3Plug in -3: 1 - 2(-3)2 × -3 = -6Plug -6 in: 1 - -6Simplify: 1 + 61 + 6 = 7I hope this helps!
Answer:
7
Step-by-step explanation:
Substitute the values into the corresponding variables.
1 - 2(-2 - 1)
1 + 4 + 2
= 7
Add.
(2x2+4−x3)+(−4x2+6x3−2)
Express the answer in standard form.
Enter your answer in the box.
The simplified form of the expression (2x^2+4−x^3)+(−4x^2+6x^3−2) in standard form is -2x^3 + 2x^2 + 2.
What is an expression?
An expression is a mathematical phrase that can contain numbers, variables, and operators. It represents a value or a calculation, but it is not simplified to a single value.
To simplify the expression (2x^2+4−x^3)+(−4x^2+6x^3−2) in the standard form, we can combine like terms and apply the order of operations.
Step 1: Add and subtract the terms inside the first set of parentheses:
2x^2 + 4 - x^3 + (-4x^2 + 6x^3 - 2)
Step 2: Combine like terms:
-2x^3 + 2x^2 + 4 - 2
Step 3: Rearrange the terms in standard form, which is the form with the variable with the highest exponent first, and the numerical constant last:
-2x^3 + 2x^2 - 2 + 4
Step 4: Combine the constant terms:
-2x^3 + 2x^2 + 2
Hence, The simplified form of the expression (2x^2+4−x^3)+(−4x^2+6x^3−2) in standard form is -2x^3 + 2x^2 + 2.
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Can someone hep me on this
Triangle EFG has vertices E(-3,1), F(1,1), and G (4,5). Find the coordinates of the image of point F after a reflection across the x-axis.
Answer:
(1,-1)
Step-by-step explanation:
the coordinates of the image of point F after a reflection across the x-axis is (1,-1).
What is reflection?In mathematics, a reflection (also spelled reflexion) is a mapping from a Euclidean space to itself that is an isometry with a hyper plane as a set of fixed.
Here, given that,
Triangle EFG has vertices E(-3,1), F(1,1), and G (4,5).
We have to find the coordinates of the image of point F after a reflection across the x-axis.
Now, we know that,
The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same.
Hence, the coordinates of the image of point F after a reflection across the x-axis is (1,-1).
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3y-27=5y+9-y
please help
Answer:
y=−36
Hope this helps
Answer:
Today: Thursday, 15 October 2020
Hour: 05.11 WIB (in Indonesia)
______________________________
3y - 27 = 5y + 9 - y
3y - 5y + y = 27 + 9
-y = 36
y = -36
Z/3 + 18= -35........2 step equations
Answer:
z=−159
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
1
3
z+18=−35
Step 2: Subtract 18 from both sides.
1/3z+18−18=−35−18
1/3z=−53
Step 3: Multiply both sides by 3.
3*(1/3z)=(3)*(−53)
z=−159
What is the remainder of 74 divided by 7
Answer:
The division rest of 74 by 7 equals 4, and the value of the quotient is 10. Proof: 74 = (7×10) + 4.
Step-by-step explanation:
hope this helped and is that iready??
The remainder of 74 divided by 7 is 4.
What is Division?Division is one of the operation in mathematics where number is divided into equal parts as that of a definite number.
When a number is divided by another number, the number which is being divided is the dividend. Divisor is the number which divides the dividend.
Quotient is the value after the division process.
Remainder is the remaining value after the division.
If the dividend is completely a factor of divisor, remainder will be zero.
Otherwise there will be a non zero number as the remainder.
74 is not a multiple of 7.
70 is the multiple of 7 which is closest to 74.
Remainder = 74 - 70 = 4
Hence the remainder is 4.
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‼️WILL LIST BRAINLIEST ‼️what is the equation?
Answer: 10 plus 13.50 plus another 13.50 for another 10 songs and then whatever is half of 13.50 which is 6.75 is the cost of the entire 25 songs which is 27 plus 6.75 and you would get 33.75 hope this helps
Step-by-step explanation:
Answer:
its 33.75
Step-by-step explanation:
pay attention
Given f(x) = 4x -17 and g(x)=5/2x+7;x≠0 solve the equation f^-1(x)=g^-1(x)
Please I need this help?
Answer:
6.35
Step-by-step explanation:
which elephants weight 2.85 tons when rounded to the nearest hundredth? Is it
tiny: 2.805 tons
Lizzy: 2.861 tons
Raja: 2.842 tons
fanny: 2.849 tons
Those are the 4 chooses and I am confused on it
The elephant that weigh 2.85 tons after rounding up is [tex](fanny: 2.849 tons)[/tex]
We are required to round to nearest hundredth so that the elephant could have a weight of 2.85 tons.First option [tex]:2.805 tons[/tex]if we round this up starting from right hand side, if we round the 5 up then it will become 1 then we have [tex]2.81 tons[/tex]Second option: 2.861 tonsIf we round up, then since 1 is not up to 5 so it becomes zero, then we have[tex]2.86 tons[/tex]Third option: 2.842 tons If we round up, then since 2 is not up to 5 so it becomes zero, then we have[tex]2.84 tons[/tex]Fourth option:2.849 tonsif we round 9 up, it will become 1, then we will add it to 4, then we have [tex]2.45 ton.[/tex]Therefore, Fourth option is correct.
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What is the value of x
9514 1404 393
Answer:
5 units
Step-by-step explanation:
In this geometry, all of the triangles are similar. So, the ratio of short side to long side can be ...
x/10 = 10/4x
4x^2 = 100 . . . . . cross multiply
x^2 = 25 . . . . . . . divide by 4
x = 5 . . . . . . . . . . square root
Plz help due today!!!
Answer:
55 is c
Step-by-step explanation:
what number times 4 equals 20? ...5
so times 11 and 5 and you'll get 55
Answer:
c=55
20/4 is 5
11*5=55
A file that is 228 megabytes is being downloaded. If the download is 19.7% complete, how many megabytes have been downloaded? Round your answer to the
nearest tenth.
I megabytes
5
?
I Don't Know
Submit
Answer:
44.9 megabytes
Step-by-step explanation:
all you need to do is find 19.7% of 228!
19.7% of 228 = 44.916
PLz hep me with this qustion
Answer:
pretty sure its c
Step-by-step explanation:
Answer:
A is the answer.
Step-by-step explanation:
round to the nearest whole number 2.09
Answer:
the answer is 2
Step-by-step explanation:
this is because when you round 2.09 to the nearest whole number it is 2
Write a program that will solve a quadratic equation: ax2 + bx + c = 0. The program must ask the user to enter the values for a, b and c. It should then determine the discriminant of the parabola and based on the discriminant it should display the real roots: Discriminant = b2 - 4ac > 0 means there will be two distinct real roots. Discriminant = b2 - 4ac = 0 means there will be only one real root. Discriminant = b2 - 4ac < 0 means there will be no real roots. Use the if - then else structure in your program to decide the outcome of the program. User must then use the quadratic equation to solve for x: = − ± √ −
Answer:
x= -b ±√b²- 4ac/2a
Step-by-step explanation:
ax2 + bx + c = 0
Dividing the quadratic equation by a gives
x2 + b/ax + c/a = 0
x2 + b/ax = - c/a
Applying the square formula
(x)^2 + 2(x) (b/2a) + (b/2a)^2= + (b/2a)^2- c/a
(x+b/2a)^2= b²/4a² - c/a
(x+b/2a)^2= b²/4a² - 4ac/4a²
(x+b/2a)^2= b²- 4ac/4a²
Taking square root of both sides gives
(x+b/2a)= ±√b²- 4ac/2a
x= -b/2a±√b²- 4ac/2a
x= -b ±√b²- 4ac/2a
This is called the quadratic formula and it can solve the value for x for the given value of a, b and c for the quadratic equation.
From this it is concluded that
Discriminant = b2 - 4ac > 0 means there will be two distinct real roots. Discriminant = b2 - 4ac = 0 means there will be only one real root. Discriminant = b2 - 4ac < 0 means there will be no real roots.
This is because a square root of a value greater than 0 is possible and gives two values for roots of x.
The square root of a value less than 0 gives a negative number and therefore the roots are an imaginary number.
The square root of a value greater equal to 0 gives a zero leaving behind only one real root.
Alexis opened a savings account with a $120 deposit. Each week she will put $20 into the account. The equation that gives the total amount t in her account is t 120 20w, where w is the number of weeks since she opened the account. How much money will Alexis have in her savings account after 5 weeks?
Answer:
The amount of money Alexis will have in her savings account after 5 weeks is $ 220.
Step-by-step explanation:
The equation that gives the total amount t in her account is t=120+20w, where w is the number of weeks since she opened the account.
To calculate the amount of money Alexis will have in her savings account after 5 weeks, you replace the number of weeks w since she opened the account by 5:
t=120+20*5
Solving, you get:
t=120+100
t=220
The amount of money Alexis will have in her savings account after 5 weeks is $ 220.
10 - w = 1.5 Find w.
Answer:
8.5
Step-by-step explanation:
w is 8.5
Answer:
8.5
Step-by-step explanation:
-w=1.5-10 the opposite of 10 is negative 10
-w=-8.5
w=8.5 you are trying to get just w not negative w
so two negatives equal a positive or -1
times -8.5 is a positive 8.5
Can anyone find X
Help, please
A triangle has side lengths of (1.2u+1.8v)(1.2u+1.8v) centimeters, (6.5u+8.7w)(6.5u+8.7w) centimeters, and (5.8w-6.9v)(5.8w−6.9v) centimeters. Which expression represents the perimeter, in centimeters, of the triangle? 13.5uw+3.6vw13.5uw+3.6vw 7.7u+1.8w+7.6v7.7u+1.8w+7.6v -1.1vw+15.2uw+3uv−1.1vw+15.2uw+3uv 14.5w-5.1v+7.7u14.5w−5.1v+7.7u
Answer:
7.7u - 5.1v + 14.5w
Step-by-step explanation:
Given length:
Side A = (1.2u+1.8v) centimeters,
Side B = (6.5u+8.7w) centimeters
Side C = (5.8w-6.9v) centimeters
Perimeter of a triangle = side A + side B + side C
= (1.2u+1.8v) + (6.5u+8.7w) + (5.8w-6.9v)
= 1.2u + 1.8v + 6.5u + 8.7w + 5.8w - 6.9v
Collect like terms
= 1.2u + 6.5u + 1.8v - 6.9v + 8.7w + 5.8w
= 7.7u - 5.1v + 14.5w
Therefore, the perimeter of the triangle is 7.7u - 5.1v + 14.5w
Which value is an approximate of √27 (square root of 27)
A: 3.0
B: 5.2
C: 9.0
D: 13.5
Answer:
C) 5.2
Step-by-step explanation:
The real thing looks like this 5.19615242 …
But if you round it, the answer would be 5.2.
Answer:
B
Step-by-step explanation:
Round to the nearest integer. Its closest to 5, because its sqrt 25