Consider this equation.
7.8 + 2(0.75m + 0.4) = -6.4m + 4(0.5m - 0.8)
Mia solved the equation and determined that m = 2. Is she correct?
Answer:
No, Mia is not correct, the answer is -2.
Step-by-step explanation:
First we are going to use the distributive Property.
Step 1: 2(0.75+0.4). multiply the 2 out. .75m x 2=1.5m and 2 x .4= .8.
We get 1.5m+.8, so 2(0.75+0.4)=1.5m+.8
Now we are going to distribute on the oher side. 4(.5m-.8)
4x .5m=2m and 4x.8=3.2. Keep the sign the same and we get 2m-3.2, so 4(.5m-.8)=2m-3.2
We put this into the new equation to get 1.5m+.8+7.8=-6.4m+2m-3.2
Step 2: combine like terms
.8+7.8= 8.6 and -6.4m +2m =-4.4m
Plug that into our equation and we get 1.5mn+8.6=-4.4m-3.2
Step 3: Switch the sides
Bring -4.4m to the other side to get 1.5m+4.4m=5.9m
One side is 5.9m
We bring 8.6 to the other side to get -8.6. now we do -3.2-8.6=-11.8.
Our new equation is 5.9m=-11.8
divide by 5.9 on both sides to get our answer of
m=-2
-9[tex]\leq[/tex]x+3<9
Answer: Solving for x or the inequalities is:
−12≤x<6
.............................
Answer: D
Explanation:
Answer:
D
Step-by-step explanation:
............................
help would be appreciated!
Find all x such that x^2+5x<6. Express your answer in interval notation.
Step-by-step explanation:
[tex]{:}\longrightarrow[/tex][tex]\sf x^2+5x <6 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x^2+5x+6 <0 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x^2+3x+2x+6<0 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x(x+3)+2 (x+3)<0 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf (x+3)(x+2)<0 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x+3 <0\:or (x+2)<0 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x <-3\:or\:x <-2 [/tex]
Answer:
(-6, 1)
Step-by-step explanation:
x^2+5x<6,
x^2+5x-6<0,
(x^2-x) + (6x-6)<0,
x(x-1) + 6(x-1)<0,
(x-1)(x+6)<0,
-6<x<1
Interval Notation: (-6, 1)
Help with this and good answer gets brainly
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Answer:
just relax take ur time and breath or just look it up
Step-by-step explanation:
inhale
exhale
you got this my friand
PLEASE ANSWER 20 POINTS
Answer:
D
Step-by-step explanation:
positive / negative = negative
15/-5 = -3
Choose the following ratios as a percent: 30 days out of 100 days
10%
30%
100%
3%
Answer:
30%
Step-by-step explanation:
30% of 100 in simple terms stands for; "Thirty percent of a hundred."
This shows the ratio percentage correctly. And other choice would not be correct.
100% of 100 has nothing to do with 30.
3% is "three percent of 100." And again, has nothing to do with thirty.
10% also has nothing to do with thirty.
Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What percentage of the guests at this hotel called for room service yesterday?
Most explained answer gets brainliest
60%
15%
40%
85%
Answer:
The answer is 40%
Step-by-step explanation:
170 + 255 = 425
170 / 425 = 0.4
0.4=40%
So the percent of guests that called for room service is 40%
Hope this answers your question :)
What is the slope of the line that intersects these two points?
Question is below here ⬇️
ASAP Which of the following has 5.1012 in written form?
A. five and ten twelve ten-thousandths
B. five and one thousandths twelve ten-thousandths
C. five and one thousand twelve ten-thousandths
D. five point one zero one two
A carpenter needs 36 screws that are 1.5 inches long, 24 screws that are 2 inches long, and 12 screws that are 2.5 inches long. There are three different sized screws shown. The screws are marked two and a half inches, two inches, and one and a half inches. What is the ratio of 1.5-inch screws to 2.5-inch screws, written in three different ways? Do not reduce.
Answer:
48/132
2:10
4:10
Step-by-step explanation:
Solve the riddle.
Two-thirds of a number increased by five is the same as negative two-sixths of a number increased by fourteen.
Two-thirds x + 5 = negative StartFraction 2 Over 6 EndFraction x + 14
Answer:
✔ 9
Step-by-step explanation:
Assignment Egde 2021
Virtual School bouta end yall. Just gotta survive the end of the school year
Brainly?
Answer:
9
Step-by-step explanation:
The stock of Company A gained 5.25% today to $21.05. What was the opening price of the stock in the beginning of the day?
Answer:
$20
Step-by-step explanation:
Easy formula for these problems is new price divided by change in percent as decimal with 1 at begining. So for this problem it is 21.05/1.0525. You can then test your answer by muliply you answer by 1.0525.
Line v passes through point (6, 6) and is perpendicular to the graph of y = 3/4x – 11. Line w is parallel to line v and passes through point (–6, 10). Which is the equation of line w in slope-intercept form?
a. y = 3/4x + 2
b. y = –3/4x + 2
c. y = 4/3x + 2
d. y = –4/3x + 2
Find the distance between (6,3) and, (6,-5). BRUH IT DIDNT EVEN GIVE ME A CHART??!?!! who ever answer ill give 15 points pleaseeeee
Answer:
8 units
Step-by-step explanation:
if you look at a grid and mark the numbers, 3 and -5 are 8 units apart.
Answer:
8 units apart
Step-by-step explanation:
if you look at the grid and mark the numbers 3 and also -5 they are 8 units apart from each other
PLS ANSWER CORRECT I GIVE BRAINLIEST
Solve the two previous equations for r. What value does each equation give for Raul’s age? Are the two values the same?
First previous equation: r = 15
Second previous equation: 3r = 45
Answer:
yes they are. please mark as brainliest
Step-by-step explanation:
[tex]3r = 45 \\ 3(15) = 45[/tex]
4.92 ÷ 3.28 = ? A 0.66 B 1.05 C 1.164 D 1.5
Answer:
1.5
Step-by-step explanation: e2020
I just started to learn this and I need some help...
Jane is helping the librarian stack books on some new shelves. She is to stack 116 books on 16 shelves. The librarian told her to put the same number of books on each of the 16 shelves.
Describe one way that Jane can use to determine the number of books she should put on each shelf.
Answer:
She should divide The total of books to the total of shelfs
Step-by-step explanation:
Answer:
she can put 7 on each shelf with 4 left over.
Step-by-step explanation:
You divide 116 by 16, which is 7.25 and 1/4 of 16 is 4. So you know you have 4 leftover.
Which angle is an EXTERIOR angle?
A) W
B) X
C) Y
D) Z
Answer:
The answer would be A. (I think)
The selling price of an item is $.520 It is marked down by 20%, but this sale price is still marked up from the cost of 320$. Find the markup from cost to sale price.
Answer:
340
Step-by-step explanation:
it says that su have to multipy so then yeah
3 divided by 1/6????
Answer:
18
Step-by-step explanation:
3/1 x 6/1 = 18/1 = 18
What is the unit rate of 232 people in 8 classrooms?
Answer:
29 people - 1 classroom
Step-by-step explanation:
232 / 8 = 29
Answer - 29
6. When Landon saves $15 more, he will have enough money to buy a basic MP3 player. The player he wants to buy costs $199, which is 4 times the cost of the basic player. Which equation could be used to determine n, the number of dollars Landon has already saved?
A. 4n +15 = 199 B. 4(n+15) = 199 C. n + 4(15) = 199
Answer:
A) 4n+15=199
Because n is the cost of the basic player, so 4*n would be the cost of the player he wants. Also +15 since he needs 15 more dollars.
I’LL GIVE BRAINLIEST!
It’s a fairly simple question. I just missed days when the unit was being taught. If you could give me a small rundown as to how to answer the question I’d appreciate it!
Answer:
what grade are you
Step-by-step explanation:
estimate the quotient (report if calculator answer or incorrect)
Answer:
3.14
Step-by-step explanation:
3.14 is the answer, and here is my work! (I apologize if this answer is incorrect, and I understand If you report me lol)
Order the values from least to greatest.
Answer:
just value it least to greatest