Answer:
48.97
Step-by-step explanation:
HELP PLEASE :) 80 POINTS
In the following equations, let x =-3 and y = 2/3. Determine whether the following equations are true or false, or neither true or false.
A. xy = -2
B. x + 3y = -1
C. x + z = 4
D. 9y = -2x
E. y/x = -2
F. -2/x / y = -1
xy = -2
(-3)(2/3) = -2
-2 = -2 TRUE
x + 3y = -1
-3 + 3(2/3) = -1
-3 + 2 = -1
-1 = -1 TRUE
x + z = 4
-3 + z = 4
z = 7 NEITHER
9y = -2x
9(2/3) = -2(-3)
6 = 6 TRUE
y/x = -2
(2/3)/(-3) = -2
-0.22... = -2 FALSE
-2/x / y = -1
-2/-3 / 2/3 = -1
2/3 / 2/3 = -1
1 = -1 FALSE
Best of Luck!
Answer:
A. xy = -2 - true
B. x + 3y = -1 - false doesn't equal -1 it equals -2
C. x + z = 4 - neither because z
D. 9y = -2x - false because it equals -6
E. y/x = -2 - false because it equals -.2222222
F. -2/x / y = -1 - false it equals positive 1
(9+33-6)-3-7?
can someone also explain it i don't really understand :( thx!
Answer:
26
Step-by-step explanation:
APPLY PEMDAS:
Evaluate the numbers in the parentheses before evaluating the whole equation.
[tex](9+33-6)-3-7\\\\36 - 3 -7\\\\33-7\\\\\boxed{26}[/tex]
Hope this helps.
If XY= 30, and XZ= 100, then YZ= ____.
Answer:
yz= 100-30
yz= 70.
hope it helps.
Select all sets in which the number -3/4
is an element
A. rational numbers
B. integers
C. natural numbers
D. whole numbers
E. irrational numbers
Freal numbers
Answer:
Rational numbers is the correct answer for this.
Step-by-step explanation:
Rational numbers is the best and correct answer.
Pls help!!!!!!! Determine the lowest common denominator for each sum or difference.
X
7/6 + (-5/12)
Common Denominator: 10
Common Denominator: 12
Common Denominator: 24
X
13/24 + 7/12
3/2 - 4/5
x
1/8-5/3
x
-3/4+ (-2/3)
x
5- 7/10
Answer:
Common Denominator 10: 5-7/10 and 3/2-4/5
Common Denominator 12: -3/4 + (-2/3) and 7/6 + (-5/12)
Common Denominator 24: 1/8-5/3 and 13/24+7/12
Hopefully This Helps You :)
Answer:
Common Denominator 10: 5-7/10 and 3/2-4/5
Common Denominator 12: -3/4 + (-2/3) and 7/6 + (-5/12)
Common Denominator 24: 1/8-5/3 and 13/24+7/12
Step-by-step explanation:
3. If the area of the rectangle is 252 square units, find x. PLEASE I REALLY NEED HELP! THANK YOU
Answer:
are or rectangle = l*b
252= (x+2) (2x+1)
252= 2x²+x+ 4x +2
2x²+5x -250=0
(x-10) (2x+25)=0
so x=10
using sum and product method
Step-by-step explanation:
FIRST TO ANSWER GETS BRAINLIEST!!!
Answer:
x = 3
y = 2
Step-by-step explanation:
Which of the equations below is the simplified version of 3[2 - 2(3x + 1)] = 4(3x - 5)
Answer:
option 4) -18x = 12x-20
Step-by-step explanation:
3[2-2(3x+1)] = 4(3x-5)3[2-6x-2] = 12x - 203[-6x] = 12x - 20-18x = 12x-20Factor k^2-81...............
Answer:
[tex](k+9)(k-9)[/tex]
Step-by-step explanation:
[tex]k^2-81[/tex]
[tex]k^2-9^2[/tex]
Apply the difference of squares formula: [tex]x^2-y^2=\left(x+y\right)\left(x-y\right)[/tex]
Thus, [tex]k^2-9^2=\left(k+9\right)\left(k-9\right)[/tex]
Find the distance between the points (5, 3) and (7,6).
Answer:
[tex]d = \sqrt{13}[/tex]
Step-by-step explanation:
Use the Distance Formula to help you determine the distance between the two following points:
-Distance Formula:
[tex]d = \sqrt{(x_{2} - x_{1})^2 + ( y_{2} - y_{1})^2}[/tex]
(where [tex](x_{1}, y_{1})[/tex] represents the first point and [tex](x_{2}, y_{2})[/tex] represents the second point)
-Apply the two following points onto that equation:
[tex]d = \sqrt{(7 - 5)^2 + (6 - 3)^2}[/tex]
[tex](x_{1}, y_{1}) = (5, 3)[/tex]
[tex](x_{2}, y_{2}) = (7, 6)[/tex]
-Solve the equation:
[tex]d = \sqrt{(7 - 5)^2 + (6 - 3)^2}[/tex]
[tex]d = \sqrt{2^2 + 3^2}[/tex]
[tex]d = \sqrt{4 + 9}[/tex]
[tex]d = \sqrt{13}[/tex]
So therefore, the distance is [tex]\sqrt{13}[/tex].
NEED HELP ASAP SHOW WORK PLSSSS
Answer:
Hey there!
6x+1+3=8x+1
6x+4=8x+1
6x+3=8x
3=2x
x=1.5
6(1.5)+1
10
SR is 10 units long.
Let me know if this helps :)
(−2/3)x(5/4) help plz
Answer:
[tex]-\frac{5}{6}[/tex]
Step-by-step explanation:
Write it out: [tex]-\frac{2}{3}[/tex] × [tex]\frac{5}{4}[/tex] 3 × 4 = 12-2 × 5 = -10Put them together: [tex]-\frac{10}{12}[/tex] Simplify: -10/12 = -5/6I hope this helps!
Answer:
[tex]\frac{-10}{12} ,\frac{-5}{6}[/tex]
Step-by-step explanation:
Start with:
[tex]\frac{-2}{3}[/tex] × [tex]\frac{5}{4}[/tex]
Multiply your numerators.
[tex](-2)(5)=-10[/tex]
Now, multiply your denominators.
[tex](3)(4)=12[/tex]
Let's transfer those numbers into a fraction.
[tex]\frac{-10}{12}[/tex]
You may need to simplify.
Divide by the greatest common factor. In this case, that would be [tex]2[/tex].
[tex]-10[/tex] ÷ [tex]2=-5[/tex]
[tex]12[/tex] ÷ [tex]2=6[/tex]
Put those numbers back into the fraction.
[tex]\frac{-5}{6}[/tex]
Translate into Algebra.
Jim will be x years old in two years. At that time, his sister will be twice as old as he will be. How old is Jim's sister now?
Let s be Jim's Sister's age now
s = 2x
r + 4 > 8 ; r= 2 i need help asap
Answer:
Step-by-step explanation:
2 + 4 > 8
6 > 8
not true
Help please I don’t know the answer and the teacher didn’t explain
Answer:
Step-by-step explanation:
[tex]\frac{-4d^{2}+15d^{2}}{5}=\frac {11d^{2}}{5}\\\\=\frac{11*1^{2}}{5}\\\\=\frac{11}{5}\\\\=2\frac{1}{5}[/tex]
Problem ID: PRABG4QG
How many inches of snow will fall in 24 hours if it continues to snow at this rate?
Do not include units (inches) in your answer.
Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Submit Answer
to search
Answer:
the answer is 48
Step-by-step explanation:
can you help please :)
Answer:
36 miles per gallon of gas
Step-by-step explanation:
Answer:
36 miles per gallon
Step-by-step explanation:
if she drove 216 miles and used 6 gallons of gas then you would divide 216/6=36. so the answer is 36 miles per gallon
What is the equation of the following line written in general form?
Answer:
[tex] y = \frac{ - 4}{5} x + 7[/tex]
If the average baby blue whale grows at a rate of 1.5 inches a day, how many days does a baby whale grow to reach 47.075 inches? (Round to the nearest hundredth of a day)
x = # of days.
1.5x = 47.075
Divide both sides by 1.5
x = 31.38 days
Show the proper algebraic steps to solve 5x + 34 = 2(1 -7x)
Answer:
x=-1.68
Step-by-step explanation:
5x + 34 = 2(1 -7x)
5x+34=2-14x
5x+14x=2-34
19x=-32
x=1.68
What is the answer to this problem? Try to describe as much as you can.
Answer:
On the grid
Step-by-step explanation:
Go 226 spaces to the left of the x axis, when you get there go 216 up on the y axis
-(x + 4) – 3x + 8 = 4(x – 3)
Answer:
x = 2
Step-by-step explanation:
instructions above :)
Jordan's team gained 12 yards in the first play in the 2nd play they lost 8 yards witch expression could be used to describe the total yards gained by the team
Answer:
The expression is (x + 4) yards where x yards represent the initial amount of yards had by tre team
Step-by-step explanation:
In this question, we are told to write an expression which can be used to describe the total yard gained by the team.
Now, before we can write an expression showing the yard gained by the team, we need a variable that will represent the amount of yard they had initially.
Let us represent this by x yard.
By gaining 12 yards in the first play, total amount of yards now become x + 12 yards
Now in the second play, they lost 8 yards and this translates to (x + 12)-8 = (x + 4) yards
Aaron wants to make as many gluten-free, low-carb cupcakes as he can for a bake sale. His recipe for 12 such cupcakes requires ⅜ of a cup of cocoa. Assuming Aaron has enough of the remaining ingredients, which of the following is closest to the number of cupcakes that he could make if he has 2 cups of cocoa? A)10 B)30 C)60 D)100
Answer:
I believe it is C
Step-by-step explanation:
First, I decided to use the proportion method. (Before I use this method, let's change [tex]\frac{3}{8}[/tex] into a decimal. So, that will be 0.375.
We know that we can cross multiply in a proportion
[tex]\frac{0.375 cups}{12 cupcakes} = \frac{2cups}{x}[/tex]
0.375x = 24
x = 64
round to tens
60
The number of cupcakes that he could make if he has 2 cups of cocoa is C) 60.
What is proportion?A proportion is an equation in which two ratios are set equal to each other.
Now, it is given that,
12 such cupcakes requires ⅜ of a cup of cocoa
So ratio, cup of cocoa : cupcakes = ⅜ : 12
⇒ cup of cocoa / cupcakes = ⅜ / 12
Now, let x be the number of cupcakes that he could make if he has 2 cups of cocoa
So ratio,cups of cocoa : number of cupcakes = 2 : x
Hence,By proportionality we get,
cup of cocoa : cupcakes = cup of cocoa : cupcakes
⅜ : 12 = 2 : x
⅜ / 12 = 2 / x
⇒ 0.375/12 = 2 / x
⇒ x = (2x12)/0.375
⇒ x = 24/0.375
⇒ x = 64
hence it is closest to the number 60.
So,The number of cupcakes that he could make if he has 2 cups of cocoa is C) 60.
More about proportion :
https://brainly.com/question/27960888
#SPJ2
A square has a perimeter of 28 ft. What is the length of each side? and it is in ft
Answer: 7 feet
Step-by-step explanation:
Since all 4 sides of a square are equal, you do 28 / 4 = 7 feet, which is the answer.
Answer:
d
Step-by-step explanation:
Evaluate. 7 x (-7 + 15)
Answer:
56
Step-by-step explanation
Need help with this 8/4+3/4=?
Answer:
11/4 or 2 3/4
Step-by-step explanation:
add numerators keep the same denominator
Answer: 2.75
8/4+3/4
this will give you 2.75 hope this helped
(let me know if it did)
May you help me please it’s due today
Answer:
124, I think
Step-by-step explanation:
you set them equal to each other and solve for x, then substitute in for A. if this is wrong please let me know
please help meee. i honestly do not get what is being posted and need help
PLEASE HELP!!!
Jaslynn solved the equation shown below. 2(x+5) - 4 = 5(x - 3) 2x + 10 - 4 = 5x - 15 2x + 6 = 5x - 15 6 = 3x - 15 21 = 3x 7 = x What properties did she use to solve the equation? Select all that apply. Group of answer choices Addition Property of Equality Transitive Property of Equality Combine Like Terms Distributive Property Subtraction Property of Equality Substitution Property of Equality Division Property of Equality
Answer:addition property of equality, combine like terms, distributive property and division property of equality.
Step-by-step explanation: I took the test