Simplify.
-3(2x - 2) + 4
pls and thank you
3(16 - 4 x 3) + 7 =???
Answer:
-36x+55
Step-by-step explanation:
3(16−4x(3))+7
=(3)(16)+(3)(−12x)+7
=48+−36x+7
next you have to combine like terms
=48+−36x+7
=(−36x)+(48+7)
=−36x+55
(show the work please)
Three numbers add up to 210. The second number is 10 more than the first and the third number is 3 times the first. Find the numbers by modelling the problem using an algebraic equation.
Answer:
I. First number, a = 40.
II. Second number, b = 50.
III. Third number, c = 120.
Step-by-step explanation:
Let the three numbers be a, b and c respectively.
Given the following data;
Translating the word problem into an algebraic equation, we have;
a + b + c = 210
b = a + 10
c = 3a
Substituting the value of b and c into the equation, we have;
a + a + 10 + 3a = 210
5a + 10 = 210
5a = 210 - 10
5a = 200
a = 200/5
a = 40
To find the value of b;
b = a + 10
b = 40 + 10
b = 50
To find c
c = 3a
c = 3*40
c = 120
What is the value of 53?
Answer:
Value of 53 is 53
Step-by-step explanation:
round off 2409725 to nearest 10
Answer:
Hey!
Step-by-step explanation:
Your answer is 2409725.0
Best of luck ♥
Answer:
2409730
Step-by-step explanation:
Explain the steps of graphing 2x + 4≤ 12.
Answer:
Step-by-step explanation:
First, you want to simplify so the equation would be x+2≤6 or x≤4
Because you are solving for x you want to graph a vertical line on 4.
Then you shade on the left side of the line because it is less than or equal to. If it were just less then you would do a dashed line on 4 but because it is also equal to 4 then you keep it a solid line.
I recommend using Desmos graphing calculator.
I have a spinner that is divided into 4 equal sections colored red, blue, green, and yellow .If I spin the spinner twice ,What is the probability that the spinner will land on yellow both times ?
Answer:
is of 25%
Step-by-step explanation:
The probability that the spinner will land on yellow both times is 1/16.
What is probability?Probability is the chance of occurrence of a certain event out of the total no. of events that can occur in a given context.
Given, A spinner is divided into 4 equal sections colored red, blue, and green.
So, N(S) = 4 and N(R) = 1, N(B) = 1, N(G) = 1 and N(Y) = 1.
Conditional probability is a term used in probability theory to describe the likelihood that one event will follow another given the occurrence of another event.
As the events of getting yellow both times is independent,
The likelihood that the spinner will hit yellow twice is,
P(Y, Y) = P(Y)×P(Y).
P(Y, Y) = (1/4)×(1/4).
P(Y, Y) = 1/16.
learn more about probability here :
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HELP PLEASE 40 POINTS!!
Answer:
The answer for 3 is 6 I belive
Step-by-step explanation:
all the rest is easy but you cut 1. off and Im lazy rn
4 radical 2 + 5 radical 6
Answer:
The question is quite literally the answer since they aren't the same kind, they can't be reduced anymore. Hope that helps!
Step-by-step explanation:
Which is different? Write "both" inequalities.
A. k is less than or equal to -3 B. k is no more than -3
C. k is at most -3
D. k is at least -3
The inequality that represents the different sentence is __ .
The inequality that represents the sentences that are alike is __ .
(I’m doing this work on big ideas math btw)
Answer:
c
Step-by-step explanation:
The answers for the given problem can be stated as, "The inequality that represents the different sentence is represented by option (D)."And, "The inequality that represents the sentences that are alike is represented by options (A), (B) and (C) respectively."
What is linear inequality?Linear inequality refers to the relation between a linear algebraic expression to some known value that contains inequality sign.
Unlike a linear equation it can have a range of values inside an interval.
The expression for inequality for all the options are written one by one as follows,
(A) k is less than or equal to -3.
=> k ≤ -3.
(B) k is no more than -3
=> k ≤ -3
(C) . k is at most -3
=> k ≤ -3
(D) k is at least -3
=> k ≥ -3
Hence, options (A), (B) and (C) represents like while (D) represents different inequality.
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-2x+4y=40 find the y intercept and find the x intercept
Can someone please help me out this this I don’t get it
How come this person didn’t divide EVERYTHING on the left by 2? I thought you had to...
The short answer is that algebra doesn't work that way. You wouldn't divide *everything* by 2, but every term that contains a factor of 2.
In the expression
2 (6x - 1) + 2 (2x + 5)
both terms have a factor of 2 (the 2 out in front of them). They're the ones that get canceled when dividing by 2:
(2 (6x - 1) + 2 (2x + 5)) / 2 = 2/2 (6x - 1) + 2/2 (2x - 5)
… = 1 (6x - 1) + 1 (2x - 5)
… = (6x - 1) + (2x - 5)
and so on.
Looking ahead, it turns out that the equation is solved by x = 7. This makes 6x - 1 = 41 and 2x + 5 = 19. So the equation is saying that, if you make these replacements,
2×41 + 2×19 = 120
If you divide *everything* on the left by 2, you end up with fractions:
(2/2)×(41/2) + (2/2)×(19/2) = 41/2 + 19/2
but 41 + 19 = 60, so the end result would be 30, but that's not the same as 120/2 = 60.
224 students out of 560 students chose chocolate ice cream. What percent is this?
Answer:
Just divide the 224 out of the total 560
40%
Step-by-step explanation:
2. Identify the measure of angle x. (Write your answer in number form only, 1 point
for example 8. No degree symbol). *
73
Answer:
17
Step-by-step explanation:
In ΔDEF, the measure of ∠F=90°, DE = 88 feet, and EF = 39 feet. Find the measure of ∠E to the nearest tenth of a degree.
Solve each problem. Explain or show your reasoning.
What is 25% of 160?
What is 39% of 200?
What is 150% of 32?
13 is 50% of what number?
18 is 120% of what number?
21 is what percentage of 30?
I NEED HELP
I NEED THIS BY M TONIGHT!! HELP YA SIS OUT -w-
Maribeth saved $25 per week. She has saved a total of $600. For how many weeks has Maribeth been saving?
Answer:
24 weeks.
Step-by-step explanation:
25x = 600
divide both sides by 25 to get:
x = 24
Answer:
24 weeks
Step-by-step explanation:
use y = mx+b
y = total amount saved = $600
m = amount saved per week = $25
x = number of weeks saving = ?
b is not needed in this problem
600 = 25X
x = 600/25
x = 24
Cupid's arrow travels 45 meters in 5
seconds. What is the speed of the
flying arrow?
Answer:9
Step-by-step explanation:
45/5 =9
s=d/t
The speed of the flying arrow will be 9 meters/second.
What is the relation between speed and distance?Speed describes how accelerated something or somebody is moving. If you know the distance traveled and the time it took, we can calculate the average speed of an object.
The speed formula is speed = distance/time.
We are given that Cupid's arrow travels 45 meters in 5 seconds.
Therefore, distance = 45 meters
Time= 5 seconds.
Thus, speed = distance/time
Speed = 45/5
Speed =9
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1. Find 10% of 20 1. Find 10% of 12.
1. Find 10% of 12.
1. Find 10% of 12.
1. Find 10% of 12.
1. Find 10% of 12.
Answer:
10% of 12 = 0.1 * 12 = 1.2
10% of 20 = 0.1 * 20 = 2
which one is greater 3/40 or 7.5%
Answer: they are equal
To write a fraction as a percentage the easiest method is if we can change the denominator to 100.
#3/40 xx2.5/2.5 = 7.5/100 = 7.5%#
In many cases that method does not work,
so we can also do this by #xx 100%#
#3/40 xx 100%#
=#7.5%#
Step-by-step explanation:
كيفية حساب cos a و tan a بحيث sin a يساوي 1على 2
Answer:
uh i dont know
Step-by-step explanation:
What is the slope of the line through (-9, -6) and (3,-9)
T-Mobile has a family plan of four lines $120 additional lines are $10 each per month. If Jason wants to spend at most $175 per month on cell phone expenses, how many additional lines can he afford?
Answer:
he can afford 5 lines
Step-by-step explanation:
work here if needed
170 - 120 is 55
55 / 10 = 5.5 or 5
In 10 years time a father will be twice as old as his daughter. 10 years ago he was six times as old as his daughter. How old is each now?
Answer: the daughter is 15 and the dad is 40
i think unless my math is wrong
Step-by-step explanation:
Philip has 35 comic books 2/10 take place in space how many of Phillips comic books take place in space
Answer:
7
Step-by-step explanation:
35/10=3.5
3.5 x 2 =7
What is the solution to this equation?
1/2x-7=1/3(x-12)
x=
Answer:
[tex]x=18[/tex]
Step-by-step explanation:
By rearranging and multiplying by 6 at the end:
[tex]\frac{1}{2}x - 7 = \frac{1}{3}(x-12)\\\frac{1}{2}-7 = \frac{1}{3}x - 4\\\frac{1}{2}x - \frac{1}{3}x = -4 + 7\\(\frac{3}{6} - \frac{2}{6})x = 3\\\frac{1}{6}x = 3\\x = 3 \cdot 6 = 18[/tex]
Here is a list of numbers 6,7,2,4,6,9,5,3,3
Answer:
mean = 5.375, median = 5.5, mode = 3, 6, range = 6
Step-by-step explanation:
this is the only thing i could think of that i could use those numbers for
PLEASE HELP!! WORTH 5 POINTS ON MY TEST!! GIVING 30 POINTS!!
FIND BD
Answer:
16
Step-by-step explanation:
