Answer:
Step-by-step explanation:
Q1: 1) 50/315 x 100
15.9
2) 65/165 x 100
36.4
3) 40/150 x 100
26.7
4) 130/315 x 100
41.3
4x +40 = 80
Step by step how to solve?
Answer:
x=10
Let's solve your equation step-by-step:
4x+40=80
Step 1: Subtract 40 from both sides
4x+40−40=80−40
4x=40
Step 2: Divide both sides by 4
4x/4=40/4
Answer:
x=10
Answer:
collect like terms
4x=80 - 40
4x= 40
divide both sides by 4
4x/4÷ 40/4
x = 10
Step-by-step explanation:
you're welcome
help will give brainliest
Answer:
18 and 32
Step-by-step explanation:
The expression 3(-2m + 5) - 6(-4m - 2) can be written in the form am + b. What is the value of a + b?
Answer: 45
Step-by-step explanation:
3(-2m + 5) -6(-4m - 2) =
-6m + 15 + 24m + 12=
18m + 27
18= a 27= b 27 + 18= 45
The value of the expression a + b is 45.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
First, we can simplify the expression using the distributive property:
3(-2m + 5) - 6(-4m - 2) = -6m + 15 + 24m + 12
Combining like terms, we get:
18m + 27
So, a = 18 and b = 27, which means:
a + b = 18 + 27 = 45
Therefore,
The value of a + b is 45.
Learn more about expressions here:
https://brainly.com/question/3118662
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Consider adjacent angles that measure (2x+45)∘ and (3x+55)∘. The sum of the measures of these two angles is 135∘.
Question 1
Part A
Write and solve an equation to find the value of x.
If an ordered pair was added to the table, which of the following pairs would result in the table becoming not a function. (-3, 6) (0, 8) (3, 20) (8, 4) (-10, 8)
(A) (– 8, 8) (C) (8, 3) ( B) (6, 3)(D) (– 3, 4)
help please
Answer:
the answer is a I just took the test and its right
Step-by-step explanation:
What are the other two representations of this ratio 15 to 3
Answer:
you can answer it like 15 to 3 or
15:3
What is the ratio of hexagons to rectangles?
Write your answer as two numbers separated by a colon (for example, 2:3).
Submit
Answer:
4:6
Step-by-step explanation:
um there is no picture to count from so i will created a random one which was 4:6
if layla can right 20 essays in 15 minutes and 8 in 6 minutes then how many can she right in 45 minutes?
Answer:
60! hope this helps!
Step-by-step explanation:
PLS HELP ILL GIVE BRAINLIEST!!
Answer:
y = -7/2x - 7
Step-by-step explanation:
let me know if you need the steps . . .
Lola already has 6 pennies, and she plans to save more. In her first week
of saving pennies, she will save twice the number of pennies that she
already has. Each week after, she will save twice the number of pennies
as the previous week.
Which equation can be used to determine the number of pennies, P, Lola
will save during week w of saving pennies?
Answer: [tex]P=6(2)^{w-1}[/tex]
Step-by-step explanation:
Here, the money saved each week follows geometric progression with a common ratio r= 2 and first term a= 6.
In geometric progression, nth term = [tex]ar^{n-1}[/tex]
Substitute r= 2 , a= 6 and n=w, we get
wth term = [tex]6(2)^{w-1}[/tex]
The equation can be used to determine the number of pennies, P, Lola will save during week w of saving pennies:
[tex]P=6(2)^{w-1}[/tex]
Solve each multi-step inequality
6 - 8n > - 8 - 6n
Answer:
n<7
Step-by-step explanation:
hope i did okay for you
Answer:
7>n
Step-by-step explanation:
6-8n>-8-6n
Add 8n on both sides
6>-8+2n
Add 8 on both sides
14>2n
Divide
7>n
Angle A and B are supplementary. I m∠A = 143°, find m∠B
I don't understand the question.
Answer:
b=37
Step-by-step explanation:
if the angles are supplementary then they will add up to equal 180.
to find b you just subtract 143 from 180 to get 37
Which best describes the reflection?
PLEASE ANSWER and show work
im literally giving 20 brainly points so PLEASE HELP ME
Answer:
I wrote out the answers on top of the sheet. Hope this helped!
Step-by-step explanation:
Property being illustrated 73=0+73
Answer:
yes???
Step-by-step explanation:
your question either doesn't make sense or I just don't know
What would you multiply by to increase a number by 4%?
Answer:0.04
Step-by-step explanation:4% is just 0.04. Example I multiply 2 by 4% i get 0.08. I multiply 2 by 0.04 i get 0.08. Hope this helped.
Pls help I don’t get it
Answer:
Try typing into a scientofic calculator I reccomed the site desmos
Step-by-step explanation:
Answer:
12a + 8b
Step-by-step explanation:
There isn't An outcome due to the fact that it needs more to be worked out, but that's the simplified form, I believe that's what they wanted to know.
Hope It Helps!
(3-4 +5-3)-²
help me
Answer:
1
Step-by-step explanation:
Answer:
Your answer is literally 1
Step-by-step explanation:
(3−4+5−3)2
=1*1
=1
Hope this is what your looking for
Solve the equation -6(x - 1/2) = 3x + 3 - 9x
Answer:
um the answer is 0=0 (no cap)
Step-by-step explanation:
hope this helps!
please mark me as brainliest. Thanks!
Answer:
Step-by-step explanation:
Distributive property: a(b +c) =(a*b) + (a*c)
-6(x - 1/2) = 3x + 3 - 9x
[tex]x*(-6) - \frac{1}{2}*(-6) = 3x - 9x + 3\\\\[/tex]
[tex]-6x + 3 = -6x + 3\\[/tex]
So, there are infinity solutions
(c) Paul uses the function y = 7x + 30 to model the situation. What score does Paul’s model predict for 3 hours of homework?
(d) Describe what the number 30 in Part (c) mean in the context of the situation?
Answer:
(c) Paul's model predicts a score of 51 for 3 hours
(d) 30 represents the y intercept
Step-by-step explanation:
Given
[tex]y = 7x + 30[/tex]
Solving (c): What is y when x is 3
Substitute 3 for x in [tex]y = 7x + 30[/tex]
[tex]y = 7*3 + 30[/tex]
[tex]y = 21 + 30[/tex]
[tex]y = 51[/tex]
Solving (d): What does 30 represent
An equation is represented as:
[tex]y = mx + b[/tex]
Where
[tex]b = y\ intercept[/tex]
Compare: [tex]y = mx + b[/tex] to [tex]y = 7x + 30[/tex]
[tex]b = 30[/tex]
This implies that 30 represents the y intercept
A certain college enrolled 29,000. It was reported 54 percent were female and 46 percent were male. In addition 61 percent were over the age of 25. How many students were in each category if 30 percent of those over the age if 25 were male
Answer:
Step-by-step explanation:
Total number of students = 29000
Number of female = 54% of 29000
54/100 x 29000 = 15660 students
Number of male = 46% of 2900
46/100 x 29000= 13340 students
61% of 29000 are over 25 years
61% of 29000= 61/100 x 29000
= 17690 students
Of the pupils over the age of 25, 30% are male
30% of 17690 students are male
30/100 x 7690 =5307 students
The number of females over the age of 25 = 17690 -5307
17690 - 5307 = 12383 female students.
a) Work out the size of angle x.
C
A
to
b) Give reasons for your answer.
В B.
E
F
105
Н
G
Answer:
[tex] x = 75\degree [/tex]
Step-by-step explanation:
[tex] m\angle EFB +105\degree = 180\degree [/tex]
(linear pair angles)
[tex] m\angle EFB = 180\degree - 105\degree [/tex]
[tex] m\angle EFB = 75\degree [/tex]
[tex] \because x = m\angle EFB [/tex]
(corresponding angles)
[tex] \therefore x = 75\degree [/tex]
Drag the appropriate answer from the choices given into the box provided.
Allen bought 2 notebooks for $8.75 each and one
Textbook for $74.95. If the sales tax was 7%, the total
of Allen's purchase was
$83.70
$89.56
$92.45
$98.92
What is /-3/*-6?
When you answer could you please explain to me why the answer is that?
If a point (5,2) is rotated counterclockwise 90º about the origin, its image will be point
(Im on a timed test, please help)
theres are the answer choices:
A. (-2, 5)
B. (-5, 12)
C. (2, 5)
D. (2, -5)
Answer:
The answer is A
Step-by-step explanation:
Which term has the definition "A fraction when the top and bottom cannot be any smaller, while still being whole numbers"? Group of answer choices Numerator Simplest Form Denominator Least Common Multiple (LCM)
Answer:
simplest form
Step-by-step explanation:
Simplest form is a method of converting the fraction to its lowest multiple.
For example, the fraction 25/100 isn't in its simplest form
Both the numerator and the denominator can be divided by 5. When divided by 5 the fraction becomes 5/20.
5/20 is still not in its simplest form because it can be divided by 5. When divided by 5, the fraction becomes 1/4.
1/4 is now in its simplest form because both the numerator and denominator cannot be divided by any other number
A sports team donates 252 tickets to a sporting event, with tickets to be shared equally among 9 classrooms. How many tickets does each classroom receive?
Answer:
28
Step-by-step explanation:
you do
252 divided by 9 and you get 28 as an answer
28 CADA AULA
Step-by-step explanation:DIVIDES 252 ENTRE 9
Expand the expression: 3.5 (- 3n + 4) using the Distributive Property
Answer:
-10.5n + 14
Step-by-step explanation:
Write the decimal as a percent.
0.0046 = %
Answer:
0.46%
Step-by-step explanation:
0.0046*100%= 0.46%
Rewrite the following expression using the properties of logarithms.
log2 z + 2 log2x + 4 log9 y + 12 log9 x - 2 log2 y
You must show all of your work to receive credit.