Answer:
13x - 2
Step-by-step explanation:
7x - -6x = 7x + 6x = 13x.
-10 - -8 = -10 + 8 = -2
13x - 2
Answer:
13x - 2
Step-by-step explanation:
( 7x - 10 ) - ( -6x - 8 )
First, distribute the minus sign outside of the second parenthesis. Multiply each term within the second parenthesis by the minus sign.
( 7x - 10 ) + ( (-1)(-6x) + (-1)( -8))
Simplify,
( 7x - 10 ) + ( 6x + 8 )
Remove parenthesis,
7x - 10 + 6x + 8
Simplify, combine like terms,
7x - 10 + 6x + 8
13x - 2
f(x)= 2x +6 , vertical shrink by a factor of 1/2
Answer:
g(x) = x+3.
Step-by-step explanation:
i hope this helps :D
When a function is shrunk vertically, the function has undergone a form of transformation.
The resulting function when [tex]f(x) = 2x + 6[/tex] vertically shrink by 1/2 is [tex]f'(x) = x + 3[/tex]
Given that:
[tex]f(x) = 2x + 6[/tex]
[tex]k = \frac 12[/tex] --- shrink factor
When a function is shrunk vertically, the rule of transformation is:
[tex](x,y) \to (x,ky)[/tex]
So, we have:
[tex]f'(x) = k f(x)[/tex]
The new function becomes
[tex]f'(x) = \frac 12 \times (2x + 6)[/tex]
[tex]f'(x) = x + 3[/tex]
Hence, when [tex]f(x) = 2x + 6[/tex] is vertically shrunk by 1/2, the new function is [tex]f'(x) = x + 3[/tex]
Read more about transformations at:
https://brainly.com/question/11709244
Question 1
(n - 3)(2n + 6)
18n2 - 45n + 25
Answer:
36n^4−324n^2−45n+25
Step-by-step explanation:
Solve 2x + 20 = 6x – 12*
Answer:
x = 8
Step-by-step explanation:
Given
2x + 20 = 6x - 12 ( subtract 2x from both sides )
20 = 4x - 12 ( add 12 to both sides )
32 = 4x ( divide both sides by 4 )
8 = x
=> 2x + 20 = 6x - 12
=> 20 + 12 = 6x - 2x
=> 32 = 4x
=> x =32/4
=> x = 8-8(5m-7.4)
NEED ASAP
Answer:
-40m = 59.2
Step-by-step explanation:
simplify
Answer:
-40m + 59.2
Step-by-step explanation:
Distribute
-40m + 59.2
If you're solving for m then set the equation equal to 0 and solve.
-40m + 59.2 = 0
-40m = -59.2
m = 37/25
Can someone please help me with this? Mhanifa? I will mark brainliest
Answer:
Option C 20
GOOD LUCK FOR THE FUTURE! :)
The reading levels of a random sample of elementary students are represented by the dot plot.
Which decimal is the best approximation of the mean reading level for this group of students?
Select one:
2.7
1.5
2.3
1.9
What are rational numbers? Why is it important to study rational numbers?
Answer:
Any number that can be written as a fraction with integers is called a rational number . For example, 17 and −34 are rational numbers. (Note that there is more than one way to write the same rational number as a ratio of integers. For example, 17 and 214 represent the same rational number.)
What is the name of the circle that has radius ?
A
B
C
please help asap....
Answer:
(3x-2)(2x+3)
Step-by-step explanation:
HELP!!! pls with this question !
Answer:
B
Step-by-step explanation:
the graph should start at negative five not four
90 out of 120 students like pizza. what percent of students did not like pizza?
Answer:
25%
Step-by-step explanation:
90/120=0.75
1-0.75=0.25
0.25x100= 25%
can someone show me step by step on how to get the answer?
I'm confused with that too, have you researched your answer?
Alyssa had 191 dollars to spend on 6 books. after buying them she had 17 dollars. how much did each book cost?
Answer:
29$
Step-by-step explanation:
191-17=174
174/6=29
Answer:
$29
Step-by-step explanation:
Aubrey finished 2/9 of a project on Monday and 1/4 of the project of Tuesday. How much of the project has Aubrey completed?
Answer:
17/36
Step-by-step explanation:
We have to find a common denominator, so the first common denominator for 4 and 9 is 36. 9x4=36, so we multiply 2 by 4, which equals 8. 4x9-36, so we multiply the 1 by 9, and get 9. Then we add the numerators, 8 and 9, and get 17. So it's 17/36
what is the answer to this 5(a+b)-a-b
Answer: 4a + 4b
Step-by-step explanation: distribute the 5 and combine like terms. It would distribute to 5a + 5b -a -b which simplifies to 4a + 4b.
Answer:
4a + 4b
have a great day!!
Solve the inequality.
5z ≥ −75
z ≤ −15
z ≥ −375
z ≥ −15
z ≤ 15
Answer:
z ≥ −15
Step-by-step explanation:
5z ≥ −75
Divide each side by 5
5z/5 ≥ −75/5
z ≥ −15
0.2(3k+1)=-0.4-(-0.2-0.1K)
Answer:
k=−0.8
Step-by-step explanation:
Start with the equation: 0.2(3k+1)=-0.4-(-0.2-0.1K)
Use distributive property on each side of the equation. For the left side, distribute 0.2 into 3k and 1, and for the right side, distribute -1 into -0.2 and -0.1k. (We use a -1 because the negative sign on the outside of the parenthesis is equivalent to -1)
(0.2)(3k) + (0.2)(1) = 0.6k + 0.2
(-1)(-0.2) + (-1)(-0.1k) = 0.2 + 0.1k
New equation: 0.6k + 0.2 = -0.4 + 0.2 + 0.1k
Now we can combine like terms on the right side. (-0.4 and 0.2)
0.6k + 0.2 = 0.1k - 0.2
Now to get rid of k on one side, we can subtract 0.1k from the right side.
(0.6k - 0.1k) + 0.2 = (0.1k - 0.1k) - 0.2
0.5k + 0.2 = -0.2
Now we need to get 0.5k by itself, so we'll subtract the 0.2 on both sides.
0.5k + (0.2 - 0.2) = (-0.2 - 0.2)
0.5k = -0.4
To get k by itself, we must divide both sides by 0.5.
(0.5k / 0.5) = (-0.4 / 0.5)
k = -0.8
A group of preschoolers has 15 boys and 12 girls. What is the ratio of girls to boys?
A.3 : 4
B.4 : 5
C.15 : 12
D.12 : 15
A Teacher distributed a pack of sweets among her three favorite students in the ratio of 1 : 2 : 3 . Demon got the most a total of 20 sweets. How many sweets were in the pack?
A.40
B.20
C.80
D.60
Answer:
12 to 15 ratio of girls to boys
Expression Name Expression
E 3.8 ⋅ 6.8
F 7 ⋅ 0.5
G –8 ⋅ 4∕7
H 9 ⋅ (–3)
The table above shows four numeric expressions. Which expression is an integer when it's evaluated?
A) E
B) H
C) G
D) F
The expression that will be an integer when it is evaluated is given by:
B) H.
Which expression is always an integer value?When two integers are multiplied, the result is always an integer.
In this problem, expression H has the multiplication of two integers, 9 and -3, hence option B is correct.
The other expressions have rationals involved in the multiplication, hence the result of the expression will be a rational.
More can be learned about expressions and integers at https://brainly.com/question/2973027
#SPJ1
a TV reduced by 30% to £560. What was the original cost of the TV?
Answer:
£800
Step-by-step explanation:
when you recuce the price of something by 30%, it is 70% of the original (100% minus whatever percent reduction).
.7x=560 where x is the original price of the tv
560/.7=800
the original price of the tv is £800
calcule o valor x na equação do 1° grau: 16x-21=x+9
Answer:
16x-21=x+9
15x=30
x=2
eu acho que e nao sei mais o outro cara respondeu ali
Step-by-step explanation:
Rex puts $5,000 in a savings account with a simple
interest rate of 2.5%. How much interest does Rex
carn after 2 year's
Answer:
Rex earns $250 in interest after 2 years.
Step-by-step explanation:
WHO WATCHES HAIKYUU OR HAS READ THE MANGA
Answer:
I do
Step-by-step explanation
I like the manga
Answer:
mmeeee ♀️
Step-by-step explanation:
omg thats a rlly good drawing too
find an expression for the nth term -3 , 2 , 7, 12
Answer:
5n-8
Step-by-step explanation:
Because this is an arithmetic progression, there is simply an addend that is being added to every number. Because that is 5, the expression, for now, would be 5n. However, the progression does not start at 0, so we will have to subtract 3, and then it would be 5n - 3. We're still not at the answer; this is because the first term starts at 1, not 0. We will have to account for that, so subtract the coefficient, or 5, from the whole expression. That would be 5n - 8, and that would be the answer.
Evaluate 5z − xy when x= 5, y= 6, and z=11
In the figure, a ∥ b. What is the value of x?
Answer:
20
Step-by-step explanation:
help pleaseee aha
find x pleaser
Answer:
125 degrees
Step-by-step explanation:
It is congruent to the angle that is labeled 125 degrees
Hope that helps!
Answer:
x = 125 degrees
Step-by-step explanation:
ok so the 2 lines are parallel and there is a line through them
i see the opposite angle to x equals 125 degrees
they are the same so...
x = 125 degrees
what is the volume of the conical paper cup? (image included) i will mark the best answer as brainliest :)
Formula for cone = 1/3 x cross section x h
= 1/3 x 9 π x 7
= 1/3 x 62.9999999
= 21 π
Jennifer gets a salary of $12000 while David gets $8400 more per month. What is the ratio of the salaries of Jennifer and David?
A.10 : 7
B.7 : 10
C.9 : 6
D.12 : 7
Please help and please show your work i need to know how to do this please I beg
Answer:
so first do the top one so that would be 7*2 which is 14
and then the bottom which is 5*12 so that would be 60.
60+14 is 74!! 74sq in!
Step-by-step explanation: