Answer:
3
Step-by-step explanation: cross multiply the solve the equation
Answer:
b=3
Step-by-step explanation:
Use PEMDAS
It says Parentheses first.
4*b, 4*(-2)= 4b, -8
2*5, 2*-b= 10, -2b.
Write the equation out:
4b-8=10-2b
Add 8 to both sides
4b=18-2b
Add 2b on both sides
6b=18
Divide both sides by 6
b=3
evaluate to 212 base 3 - 121 base 3 + 222 base 3
Answer:
212 bp^3 (base pairs cubed) - 121 bp^3 (base pairs cubed) + 222 bp^3 (base pairs cubed) = 313 bp^3 (base pairs cubed
Step-by-step explanation:
Find the equation of a line that is perpendicular to the line y = 1/9x +6 and contains the point (-7,0).
Answer:
y = -9x - 42Step-by-step explanation:
Perpendicular lines have negative reciprocal slopes
Given line:
y = 1/9x + 6Perpendicular line is:
y = - 9x + b and passes through the point (-7, 0)0 = -9*(-7) + bb = - 42So the line is:
y = -9x - 42Solve the following equation for x? -5(1-5x)+5(-8x-2=-4X-8x
Answer:
-5
Step-by-step explanation:
-5(1-5x)+5(-8x-2) = -4x-8x
-5+25x-40x-10 = -12x
-15-15x = -12x
-15 = -12x + 15x
-15 = 3x
x = -15 ÷ 3
∴x = -5
What does this mean?
~p~9
What is the slope of the line x=5
The slope of the line x = 5 is undefined.
What is the slope-intercept form?In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical equation;
y = mx + b
Where:
m is the slope or rate of change.x and y are the points.b is the y-intercept or initial value.Based on the information provided about this line, a linear equation that models it is given by;
y = mx + b
x = 5
This ultimately implies that, this line is a vertical line and as such, it has no slope or an undefined slope. Therefore, the x-intercept is 5 and the slope is undefined.
Read more on slope-intercept here: brainly.com/question/7889446
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what is .253 repeating as a fraction
.253 as a fraction would be
253/100
A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7
1. What are the side lengths of the scaled copy?
Shorter length?
Answer:
Step-by-step explanation:
14 by 21. 14 shorter length
True or false 5.020=5.20 please help
Answer:
False
Step-by-step explanation:
If we remove the last 0 in 5.020, then we have 5.02, which is not equal to 5.20.
Answer: false
Step-by-step explanation:
5.020 less than 5.20
Which of the following polynomial functions is graphed below
Answer:
A, the other person was correct
Step-by-step explanation:
The polynomial functions is graphed below is f(x) = (x+ 4)(x- 2)².
What is Function?a mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable).
There are three components that make up a function: a set of inputs, a set of outputs, and a rule that links the elements of the input set to the elements of the output set so that each input is paired with exactly one output.
We have a graph for polynomial function.
We know that the function of graph have solution where the graph touches or passes the x axis.
Here from the graph at x = -4 and at x= 2 the touches and moves upward.
So, the factors of polynomial are (x+ 4) and (x- 2).
Thus, the polynomial function is f(x) = (x+ 4)(x- 2)².
Learn more about Function here:
https://brainly.com/question/13815534
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A group of 29 friends gets together to play a sport. First, people must be
divided into teams. Each team has to have exactly 4 players, and no one can
be on more than one team. How many teams can they make? (It is possible
that not everyone can be on a team.)
Answer:
7 teams of 4 but there would be an extra person
Step-by-step explanation:
What is 9% of 80? I really need help I’m failing math class
Answer:
7.2
Step-by-step explanation:
good luck hope it helps
Step-by-step explanation:
To find 9% of 80 you multiply 80 and 0.09(I converted 9% to 0.09).
80x0.09=7.2
Hope it helps!
8.7 x 0.45
I keep getting the weonv answer
Answer:
3.915
Step-by-step explanation:
Use a calculator.
8.7 × 0.45 = 3.915
Ruby, her brother, and 3 friends will share the bag of candy she bought. There are 110 candies in the bag. How many will each person get? A. 22 B. 24 C. 26
Answer: A
Step-by-step explanation: since there’s 110 candies divide it between the 3 friends plus ruby and her brother. So divide 110 by 5 and it will be your final answer
Answer:
A. 22
Step-by-step explanation:
First, you don't want to fall into the trap. The question says Ruby, her brother, AND 3 friends. That means you have to add everyone. 3(friends)+2(Ruby and her brother)=5 people. Then you have to divide. 110/5=22.
So, A.22 candies each.
What is Five more than twice a number?
Write each phrase as a mathematical equation
Answer:
2x+5
Step-by-step explanation:
2 times a number plus 5
Rebecca starts this week with $3.00. each day she does her chores her mother gives her $ 1.50 . If y represents the total amount of moeny . Rebecca has after x days . Can someone plz write an expression based on this problom.
Answer:
Amount of money she gets per day -> $1.50
Amount of money she gets after x days -> [tex]1.5x[/tex]
Total amount of money = 3 + 1.5x
Total amount of money = y
[tex]1.5x+3=y[/tex]
Identify square root of 3 as either rational or irrational, and approximate to the tenths place.
Answer:
Irrational
[tex]\sqrt{3}[/tex] = approx. 1.7
Step-by-step explanation:
The square root of 3 is irrational, because 3 is not a perfect square.
For example, 4 is a perfect square, so the square root (2) will be rational.
The square root of 3 is 1.73205080757,
and we can round this to 1.7 for the tenths place
What is the value of the expression?
Answer:
-4
Step-by-step explanation:
Solve for x. Make sure to show all your work. {9}{x}={2}{6}
Answer:
Mixed Number: x = 1 1/3
Improper Fraction: x = 12/9
Step-by-step explanation:
9x=2(6)
9x=12
9x/9=12/9
x=1 1/3
Hope this helps.
"one half of a number is 8 less than the number itself ''
Answer:
16
Step-by-step explanation:
16/8=8
Half of 16 is 8.
8 is 8 less than 16.
Hope this helps.
Answer:
The required number is 12
A dog rolls over 25 times in 2 minutes. How many times can the dog roll over in 6 minutes? *
Hey there! I'm happy to help!
How many times does 2 minutes go into 6 minutes?
6/2=3
So, the dog rolls over 25 times 3 times!
25(3)=75
Therefore, the dog can roll over 75 times in 6 minutes.
Have a wonderful day! :D
What’s the prime factor** of 630
Answer:
Positive Integer factors of 630 = 2, 3, 6, 18, 5, 90, 7, 630 divided by 2, 3, 3, 5, 7, gives no remainder. They are integers and prime numbers of 630, they are also called composite number.
What are the solutions of 3(x - 4)(2x - 3) = 0? Check all that apply.
-4
-3
-2/3
3/2
3
4
Answer:
3/2 and 4
Step-by-step explanation:
Answer:
3/2 and 4 are the answers. Hope this helps!
Solve for the variable. Show all work. |6x| - 8 = -8
Answer:
x = 0
Step-by-step explanation:
|6x| - 8 = -8
Add 8 to each side
|6x| - 8+8 = -8+8
|6x| = 0
Removing the absolute value
6x = 0
Divide by 6
6x/6 = 0/6
x = 0
Question 2
1 pts
What is the inverse relation of the function whose equation
is y = 3x – 2?
oy = x
o y = 3x + 2
o y = 2x - 3
x + 2
y =
3
Answer:
The inverse of the function is;
x = (y + 2)/3
Step-by-step explanation:
Here in this question, we shall be calculating the inverse of a function.
The function is;
y = 3x - 2
Firstly, let w = x;
y = 3w -2
y + 2 = 3w
w = (y + 2)/3
Now replace w by x
x = (y + 2)/3
This is the inverse of the function
What is the answer obtained by multiplication
Answer:
product
Step-by-step explanation:
the answer is called a product
Solve for x.
8x = 42 - 32
O x = 8
O x = 4
O r=-4
O = -8
How is this A? Or is it wrong? This is polynomials
Answer:
D
Step-by-step explanation:
The volume for a rectangular prism is given by the formula:
[tex]V=lwh[/tex]
The length is 2h, the width is 9-h, and the height is h. So:
[tex]V=2h(h)(9-h)[/tex]
Multiply the first two terms:
[tex]V=2h^2(9-h)[/tex]
Distribute:
[tex]V=18h^2-2h^3[/tex]
Our answer is D.
I hope this helps!
Find the value of |5| - 4(32 - 2).
Answer:
- 115
Step-by-step explanation:
Given
| 5 | - 4(32 - 2)
= 5 - 4(30)
= 5 - 120
= - 115
Answer:
-115
Step-by-step explanation:
5-4(32-2)
(4×30) = 120
5 - 120=
-115
It takes billy 6 minutes to walk 1.5 km. How long will it take billy to walk 9km?
Answer:
It will take Billy 36 minutes to walk 9km.
Answer:
[tex]\boxed{\tt 36 \ minutes}[/tex]
Step-by-step explanation:
Let's make a proportion using the following setup:
[tex]\frac{minutes}{kilometers} =\frac{minutes}{kilometers} \\[/tex]
We know it takes Billy 6 minutes to walk 1.5 kilometers.
[tex]\frac{6\ minutes}{1.5\ kilometers} =\frac{minutes}{kilometers}[/tex]
We don't know how long it takes him to walk 9 kilometers, so we can say it takes him x minutes to walk 9 kilometers.
[tex]\frac{6\ minutes}{1.5\ kilometers} =\frac{x\ minutes}{9\ kilometers}[/tex]
[tex]\frac{6}{1.5} =\frac{x}{9}[/tex]
Now, solve for x. To do this, isolate x on one side of the proportion. x is being divided by 9. The inverse of division is multiplication. Multiply both sides of the proportion by 9.
[tex]9*\frac{6}{1.5} =\frac{x}{9}*9[/tex]
[tex]9*\frac{6}{1.5} =x[/tex]
[tex]9*4=x[/tex]
[tex]36=x[/tex]
x= 36 minutes
It will take Billy 36 minutes to walk 9 kilometers.
john missed 4 problems on the test but did 75% of them correctly. how many problems were there in the test?
Answer:
16
Step-by-step explanation:
por que si por 25 son 4 en 75 son 12
