The percent of change = ((new value - old value) / old value) * 100%
In our problem,
New value = 54
Old value = 56
Let's plug our numbers in
((54 - 56) / 56) * 100% = - 3.6%
The number decreased by 3.6%
2. What is the best first step in solving the equation below? * 15
(1 Point)
(2x - 3)2 + 5 = 20
Take the square root of both sides of the equation
Subtract 20 from both sides of the quatic
O Subtract 5 from both sides of the equation
O Divide by 2 on both sides of the equation
Answer:
subtract 5 from both sides of the equaton
Step-by-step explanation:
(2x - 3)^2 + 5 = 20
(2x-3)^2 =25
What is the answer to 4a + 26 = 50 + 6a
Answer:
hi help me I'm new here with my latest question
Answer:
A=12
Step-by-step explanation:
Subtract -4a on both sides
you should get 26=50+2a
subtract 50 to both sides
you should get -24=2a
divide -24 by 2
If the volume of a cube is 27cm(cube), what are the dimensions of the cube?
ASAP
Answer:
Length =3cm
Height =3cm
Width =3cm
Step-by-step explanation:
All dimensions of a cube are equal
So if the volume is 27cm³ then the dimensions of that cube is 3cm for length 3cm for height and 3cm of width
How many solutions does the equation, 2x^2 - 4x - 12=-8 *
Bushels of apples cost $7.95 at farmer's market. How much would 8 bushels of apples cost?
A. $63.60
B. $56.20
C. $63.20
D. $56.60
help please
Answer:
$63.60
Step-by-step explanation:
answer
$63.60 is the answer
what kind of number is the square root of 48
Answer:
6.92820323028
Step-by-step explanation:
its more closer to 7 because 6×6=36 and 7×7=49
Abhasra spent $56 on seven fancy pens.
How much did each pen cost?
The answer would be eight because you would need to do 56÷7=8
What is the distance between (-1,2) and (4,6)
Answer:
(5,4) is the distance between when you count manually or subtract.
what is the answer to
-4 + 7 = ___
Answer: 3
Step-by-step explanation:
4−0.25g+0.5h4-0.25g+0.5h 4−0.25g+0.5h 4, minus, 0, point, 25, g, plus, 0, point, 5, h when g=10g=10 g=10 g, equals, 10 and h=5h=5 h=5 h, equals, 5 .
Answer:
The value of the expression is 4
Step-by-step explanation:
Given:
Evaluate 4 - 0.25g + 0.5h
When g = 10 and h = 5
Substitute the value of g and h into the expression
4 - 0.25g + 0.5h
= 4 - 0.25(10) + 0.5(5)
= 4 - 2.5 + 2.5
= 4
Therefore, the value of the expression is 4
A bookstore had 81 copies of a magazine. Yesterday the bookstore sold
7
of these copies. How many copies were sold yesterday?
9
Write your answer in simplest form.
coples
Answer:
The question is unclear, but if the book store sold 9 copies total, they sold 2 yesterday.
Step-by-step explanation:
I am not sure how many copies were sold in total but here is how you can solve it- Get the total amount of copies and subtract the number of copies sold in total. Then get the difference and subtract 7 from it. The difference is your answer.
SW=2x+y, WC= x-2y, W is the midpoint of SC, and SC=20, find the values of x and y.
Answer:
[tex]x= 6[/tex]
[tex]y = -2[/tex]
Step-by-step explanation:
Given
[tex]SW = 2x + y[/tex]
[tex]WC = x - 2y[/tex]
[tex]SC = 20[/tex]
Required
Determine x and y
Since W is the midpoint;
[tex]SW = WC = \frac{1}{2} * SC[/tex]
[tex]SW = WC = \frac{1}{2} * 20[/tex]
[tex]SW = WC = 10[/tex]
Substitute 10 for SW and WC
[tex]2x + y = 10[/tex] --- (1)
[tex]x - 2y = 10[/tex] ---- (2)
Make x the subject in (2)
[tex]x = 10 + 2y[/tex]
Substitute [tex]x = 10 + 2y[/tex] in (1)
[tex]2(10 + 2y) + y = 10[/tex]
[tex]20 + 4y + y = 10[/tex]
[tex]20 + 5y = 10[/tex]
Solve for 5y
[tex]5y = 10 - 20[/tex]
[tex]5y = -10[/tex]
Solve for y
[tex]y = -10/5[/tex]
[tex]y = -2[/tex]
Recall that [tex]x = 10 + 2y[/tex]
[tex]x = 10 + 2(-2)[/tex]
[tex]x = 10 -4[/tex]
[tex]x= 6[/tex]
What kind of transformation is illustrated in this figure? reflection dilation translation rotation
Answer
Rotation
you are rotating by 90 degrees
Is √10 repeating, greater than, less then, or equal to five? Because 10 lies between two consecutive perfect squares (in increasing order) ______ and ______, √10 repeating is located between the square roots of these two numbers. This means √10 repeating is located between ______ and ______, so √10 repeating is less than 5.
Given:
The number is [tex]\sqrt{10}[/tex].
To find:
The correct values for each blank.
Solution:
The given number is [tex]\sqrt{10}[/tex].
We know that, 10 lies between two consecutive perfect squares 9 and 16, [tex]\sqrt{10}[/tex]. repeating is located between the square roots of these two numbers.
[tex]\sqrt{9}=3\text{ and }\sqrt{16}=4[/tex]
This means [tex]\sqrt{10}[/tex] repeating is located between 3 and 4.
So, [tex]\sqrt{10}[/tex] repeating is less than 5.
Therefore, Blank-1=9, Blank-2=16, Blank-3=3 and Blank-4=4.
4x + 3 = -5
Solve in two steps
Answer:
x=2
Step-by-step explanation:
4x+3=-5
STEP ONE: subtract 3 from both sides
4x=-5-3
STEP 2: divide both sides by 4
4x=-8
x=-2
WHAT IS THE ANSWER??
Steps to solve:
3/x+2 - √x-3 when x = 19
~Substitute
3/19+2 - √19-3
~Simplify
3/21 - √16
~Simplify
1/7 - 4
~Subtract
-3 6/7
Best of Luck!
What are the domain and range of the function below?
!!!!!!
Answer:
we need to see the whole graph to determine the domain and range please
Step-by-step explanation:
Answer:
C. domain: (-infinity , infinity)
range: (-2 , infinity)
Step-by-step explanation:
on edge
help!
List the Range of the Relation and state If it is a function or not a function.
The temperature at 7:00 a.m. was –5°F. By 4:00 p.m., the temperature had risen 9 degrees and by 10:00 p.m. the temperature dropped 11 degrees. What was the temperature at 10:00 pm
Answer:
-7 degrees
Step-by-step explanation:
-5+9-11=-7
Samuel jumped 12 feet in the broad jump. Jeremy jumped x feet more than Samuel's distance. Write an expression that represents the distance that Jeremy jumped.
Answer:12x
Step-by-step explanation:
Expression that represents the distance that Jeremy jumped is 12+x.
What is expression?An expression is a set of terms combined using the operations +, – , x or /.
let Jeremy jumped x feet more than Samuel's distance
Then, expression to represent the above statement is:
Jeremy jumped= 12+x
hence, expression that represents the distance that Jeremy jumped is 12+x.
Learn more about expression here:
https://brainly.com/question/13947055
#SPJ2
What is the name of the transformation in which each point on a figure is turned through a given angle and direction around a given point?
Answer:
angle of rotation
Step-by-step explanation:
The name of the transformation whereby each point on a figure is turned around a given point is: rotation.
What is Rotation?Rotation is a form of transformation whereby a figure is turned either clockwise or counterclockwise direction on a coordinate plane.
During rotation, the shape and size of the original figure remains the same.
Thus, the name of the transformation whereby each point on a figure is turned around a given point is: rotation.
Learn more about rotation on:
https://brainly.com/question/26249005
If the sum of two consecutive number is 71 and one number is x then the other number is options are x +(x+1)=71,x+(x+2)=71,x+x=71,none of these
Answer:
x + (x + 1) = 71
Step-by-step explanation:
One number is x
So, other number = x + 1
Since, the sum of two consecutive number is 71
Therefore, x + (x + 1) = 71
Answer:
x + (x + 1) = 71Step-by-step explanation:
x - some integer
then the consecutive integer would be:
x+1 or x-1 (as x is consecutive to x-1)
the sum: x + (x + 1) or (x - 1) + x
the sum is 71 so:
x + (x + 1) = 71 or (x - 1) + x = 71
every whole number is positive true or false?
Answer:
true
Step-by-step explanation:
Which of the following correctly uses absolute value to show the distance between −70 and 15? (5 points) |−70 + 15| = |−55| = −55 units |−70 − 15| = |−85| = −85 units |−70 − 15| = |−85| = 85 units |−70 + 15| = |−55| = 55 units
Answer:
the answer is |−70 − 15| = |−85| = 85 units [ C ]
hope this helps :)
Step-by-step explanation:
if 5x+3y=41 and x+y=11, then the value y-x is
Answer:
[tex]y-x=3[/tex]
Step-by-step explanation:
Subtract y from both sides of the equation.
[tex]x = 11-y[/tex]
[tex]5x+3y=41[/tex]
Replace all occurrences of x in [tex]5x+3y=41[/tex] with 11 -y
[tex]x=11-y[/tex]
[tex]5(11-y)+3y=41[/tex]
simplify [tex]5(11-y)+3y=41[/tex]
[tex]x=11-y[/tex]
[tex]55-5y+3y=41[/tex]
add -5y and 3y
[tex]x= 11-y[/tex]
[tex]55- 2y=41[/tex]
Solve for y in the second equation.
Move all terms not containing y to the right side of the equation.
[tex]x=11-y[/tex]
[tex]-2y=-14[/tex]
Divide each term by − 2 and simplify.
[tex]x=11-y[/tex]
[tex]y=7[/tex]
Replace all occurrences of y in x
[tex]x=11-(7)[/tex]
[tex]y=7[/tex]
simplify.
[tex]x=4[/tex]
[tex]y=7[/tex]
Replace the variable x with 4 in the expression.
[tex]y-(4)[/tex]
Replace the variable y with 7 in the expression.
[tex](7) - (4)[/tex]
Multiply − 1 by 4 .
[tex]7-4[/tex]
Subtract 4 from 7 .
[tex]3[/tex]
Answer:y-x=3
Step-by-step explanation: substitution method
5x+3y=41........ equation 1
x+y=11 .........equation 2
Since we are given two different equations in terms of two different linear equations, let us try to solve them using the concept of method of substitution:
we find that y=11-x
we will substitue y into equation 1
5x+3(11-x) = 41
5x+33-3x=41
5x-3x=41-33
2x=8
2x/2=8/2
x=4
x+y=11
then you substitute
4+y=11
y=11-4
y=7
y-x
7-4=3
21) A crew is made up of 12 women; the rest are men. If 20% of the crew
are women, how many people are in the crew?
Step-by-step explanation:
women=12 men=20% Total people=100% after arranging you use the the cross multiplication method if 20% are men and hundred percentage is the total . you first subtract 20% from hundred percent. you then get 80% this 80% of gotten is the percentage of women. if 80% is equal to 12 what about 20% you know cross multiply 20 * 12/80=3
Which of the following phrases represents n ÷ 5? A.the quotient of a number and five B.a number decreased by five C.the sum of five and a number D.five divided by a number
Answer:
the quotient of a number and five (A)
2. Write all factors of each number:
a)36
b) 57
c)75
Answer:
a)1, 2, 3, 4, 6, 9, 12, 18, 36
b)1,3,9,19,57
c)1,3,5,15,25,75
Step-by-step explanation:
How do you find the answer to (6-4)2-5
Answer:
You would do the (6-4) first (2), then you are left with 2-5 and you get -3. Now you multiply (2) times -3 and you get -6
Step-by-step explanation:
Given graph a above,what is the value of f(-2)?
Answer:
y=3
Step-by-step explanation:
F(x)=f(-2) so go to -2 on the x axis and then find the y
