Answer:
11a + 12
Step-by-step explanation:
For this problem, we will simply use the distributive property both forwards to gather all of the like terms, and then backward to simplify the like terms.
5 ( a + 6 ) - a + 7a - 18
= 5a + 30 - a + 7a - 18
= 5a - a + 7a + 30 - 18
= a ( 5 + -1 + 7 ) + 30 - 18
= a ( 4 + 7 ) + 12
= a ( 11 ) + 12
= 11a + 12
Hence, the simplification for 5(a+6)-a+7a-18 is 11a + 12.
Cheers.
Answer: 11a+12
Step-by-step explanation:
1.
R is between S and T. RS = 5x – 13, RT = 2x + 5, and ST = 3x + 24.
Find the value of x and ST.
S
R.
Answer:
The value of x is 8, and m<ST = 48 degrees.
Step-by-step explanation:
With the given information, we know the worth of each angle. To solve it, an equation must be made.
RS (part) + RT (part) = ST (whole)
Should look like this: 5x - 13 + 2x + 5 = 3x + 24.
Then solve the equation.
First, add up all that has in common:
Should look like: 7x - 8 = 3x + 24
Then move 3x from the right to the left by subtraction.
Should look like: 4x - 8 = 24
Next, move the 8 to the other side by addition.
Should look like: 4x = 32
Finally, to find what the value of x is, divide 4 on both sides.
You should get an answer of x = 8.
To find the measurement of ST, replace the x in 3x + 24.
3(8) + 24 = 48.
m<ST = 48 degrees.
(10, -8) and (1, 12).
Find the slope of the line
Answer:
2/9
Step-by-step explanation:
the formula for slope is y2-y1 over x2-x1. So the equation would be 12-10 over 1-(-8) which is equal to 2/9
Mr. Swanson drove 200 miles in four hours at a consistent speed using the graph plot the total distance he drove after each shower in find his consistent speed in miles per hour
9/11 decimal equivalent
Answer:
.81 repeating (meaning it has a line over it and it goes on forever as 81818181 etc.)
Step-by-step explanation:
hope this helped a little bit :)
Answer:
0.818181
Step-by-step explanation:
the answer goes on forever so do 0.81 with a bar over it
Find the area of the figure below, formed from a triangle and a parallelogram.
Answer:
im confused
Step-by-step explanation:
A doctor has found that, over the years, 95% of the babies he has delivered weighed |x-7.9|<1.5 pounds. What range of weights corresponds to this inequality?
Work Shown:
| x-7.9 | < 1.5
-1.5 < x-7.9 < 1.5
-1.5+7.9 < x-7.9+7.9 < 1.5+7.9
6.4 < x < 9.4
x is between 6.4 and 9.4, excluding both endpoints
The doctor observed over the years that 95% of the babies weighs greater than 6.4 pounds and less than 9.4 pounds.
What is inequality ?Inequality is a mathematical tool for comparing non-equal values.
According to the given question a doctor has found that, over the years, 95% of the babies he has delivered weighed |x-7.9|<1.5 pounds we have to find the range of weights corresponding to this inequality.
|x-7.9|<1.5
∴ x - 7.9 < 1.5
x < 1.5 + 7.9
x < 9.4.
OR
- ( x - 7.9 ) < 1.5
- x + 7.9 < 1.5
- x < 1.5 - 7.9
- x < - 6.4 ( think of moving the terms to other side to make it positive
x > 6.4. and inequality also changes )
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To get an A in a Psychology class, you must have an average
of 90 points for 3 tests of 100 points each. For the first 2 tests,
your scores are 84 and 93. What must you score on the 3rd
test to earn a 90% average?
Plz help me ASAP!!i need help
Answer:
24 bottles of water
Step-by-step explanation:
There are 5 bottles of soda for every 3 bottles water. If you multiply 5 by 8 you get 40. If you multiply 3 by 8 you get 24. 40+24 is 64.
Answer:
24 bottles of water
Step-by-step explanation:
If f(x)=2x+4 and g(x)=x-5, find (f-g)(x)
Answer:
[
f
o
g
]
(
x
)
=
2
x
2
−
1
Explanation:
f
(
x
)
=
2
x
+
5
,
g
(
x
)
=
x
2
−
3
then,
[
f
o
g
]
(
x
)
=
2
(
g
(
x
)
)
+
5
=
2
(
x
2
−
3
)
+
5
[
f
o
g
]
(
x
)
=
2
x
2
−
6
+
5
[
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(
x
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=
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x
2
−
1
Step-by-step explanation:
What are the solutions of 3x2 + 14x + 16 = 0?
Ox= -8/3, -2
O x=-2, -3/8
O x=3/8,2
O x= 8/3,2
O x= 2
Answer: A: x=-8/3,-2
Step-by-step explanation:
Answer:
A: x=-8/3,-2
Step-by-step explanation:
;)
Which is the best estimation of the sum of 182, 325, 78, and 415?
Answer:
1000
Step-by-step explanation:
Add them together(182+325+78+415=1000) That's correct and that is the estimate!
Answer:
1,000
Step-by-step explanation:
8x (-2) divided by 4x0 =
Answer:
0
Step-by-step explanation:
Answer:
0
the answer is 0 because anything times o equals 0
Mrs. Li wants to compare her students’ test scores to the school average. She created a table to help her. Mrs. Li’s Student Test Scores Student Score compared to school average Adam +3 Bryan 0 Cierra –4 Devaughn +1 Elena +5 Fionna –2 Which list orders the students by lowest score to highest score? Bryan, Cierra, Fionna, Devaughn, Adam, Elena Cierra, Fionna, Bryan, Devaughn, Adam, Elena Elena, Adam, Devaughn, Bryan, Fionna, Cierra Bryan, Devaughn, Fionna, Adam, Cierra, Elena (on edge)
Answer:
B
Step-by-step explanation:
The given differences between the test scores of Mrs. Li's students and the average test score of the school give us the order from lowest to highest marks of Mrs. Li's students as Cierra, Fionna, Bryan, Devaughn, Adam, and Elena. Hence, the 2nd option is the right choice.
What is average of data?The average of data is the ratio of the sum of all observations in the data to the number of observations in the data. It can be written as:
[tex]\overline{x} = \frac{\sum x}{N}[/tex]
where [tex]\overline{x}[/tex] represents the average, x represents the observations, and N represents the number of observations.
How to solve the given question?In the question, we are given the comparison of the test scores between Mrs. Li's students and the school's average test score.
The data is as follows: Adam +3 Bryan 0 Cierra –4 Devaughn +1 Elena +5 Fionna –2, where the shown figure is the difference between their respective score and the average test score of the school.
We are asked to identify the order from the given lists that show the students in order from lowest marks to highest marks.
A negative data means a score less than the average score.
Therefore, Cierra and Fionna got a score less than the average score, with Cierra scoring the least.
A data = 0 means a score equal to the average score.
Therefore, Bryan got a score equal to the average score.
A positive data means a score more than the average score.
Therefore, Adam, Devaughn, and Elena got a score more than the average score, with Elena getting the highest followed by Adam and the Devaughn.
Therefore the order looks like this: Cierra, Fionna, Bryan, Devaughn, Adam, and Elena, which is the 2nd option.
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Jocelyn compiled data on the number of hours students work per week the summer after senior year. The minimum number of hours in the distribution was 23. The range was 17. What is the maximum number of hours in the distribution?
Answer:
40
Step-by-step explanation:
The maximum number of hours in the distribution will be 40.
What is a range?A function's range is the collection of values it can take as input. After we enter an x value, the function outputs this sequence of values. The disparity between values in a data collection can be measured most simply using the range. The range can be calculated by simply disregarding the other values and subtracting the lowest value from the highest value.
Given that the minimum number of hours in the distribution was 23. The range was 17.
Range = Maximum number - Minimum number
17 = Maximum number - 23
Maximum number = 17 + 23
Maximum number = 40
Therefore, the maximum number of hours in the distribution will be 40.
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Write the expression n.n.p.p.s.r.r using exponents
Answer:
n^2p^2r^3
Step-by-step explanation:
Un bidon con aguatiene capacidad para 63 litros si el bidon tiene llena la tercera parte de su capacidad total cuantos litros le faltan para llenarlos completamente
Answer:
42 litros
Step-by-step explanation:
63 / 3 = 21
21 * 2 = 42
Five years ago, an average model 70” TV cost about $2,400. Now a similar TV costs approximately $1,680. What is the percent decrease in TV price?
FOR 15 POINTS CMON PLEASE ANSWER IT
Answer:
30%
Step-by-step explanation:
If 2400$=100%
1680$=?
100×1680$÷2400$=70%
100%-70%=30%
So, the TV price decreasee by 30%.
what is the measure for
Answer:
148
Step-by-step explanation:
180-32 cuz supplementary angle minus premade angle
IF HJ = 7x-27, find the value of x
Answer:
x= (1/7)hj + (27/7)
Step-by-step explanation:
1) Flip the equation:
7x-27=hj
2) add 27 to both sides
7x = hj +27
3) divide both sides by 7
x = 1/7hj + (27/7)
Please help I'm in 4 grade and got this question hurry
Answer:
25
Step-by-step explanation:
[tex]3^2+4^2=9+16=25[/tex]
11. Ben received 3% more votes than Sam during the team captain election. If Ben and Sam were the only two candidates, what percent of
all votes did Sam receive?
A 47%
B 47.5%
C 49%
D 48.5%
Write the equation of the line that passes through the given points.
(0,−1) and (−3,−9)
Let's write the line in slope-intercept form.
y = mx + b
m = slope
b = y-intercept.
Let's use the two points to calculate our slope.
Slope = (-9 -(-1)) / -3 = -8 / -3 = 8 / 3
Our line so far: y = 8/3x + b
Let's plug one of our points into the equation to find b.
-1 = 8/3(0) + b
-1 = b
Our line is: y = 8/3x - 1
What is the value of x in the equation –2.4x = 8.4?
1. –20.16
2. –3.5
3. 3.5
4. 20.16
Answer:
2. -3.5
Steps:
divide both sides by by (-2.4): -2.4x ÷ (-2.4) = 8.4 ÷ (-2.4)
any equation divided by itself equals 1 so that would be the right side: x = 8.4 ÷ (-2.4)
divide the equation on the left and get: x = -3.5
Answer:
-3.5
Step-by-step explanation:
im genius
Identify the transformation from c to d. A) 360 rotation,B) 270 Clockwise Rotation,C) 90 Clockwise rotation,D) 180 rotation?
Answer:
A) 360 rotation
Step-by-step explanation:
Answer:
360
Step-by-step explanation:
Our work: -2x + 4 = 5 - 3x
Answer:
x=1
Step-by-step explanation:
-2x + 4 = 5 - 3x
Add 3x to each side
-2x+3x + 4 = 5 - 3x+3x
x +4 =5
Subtract 4 from each side
x+4-4 =5-4
x =1
pizzas cost $8 plus a $3 delivers charge Show the cost of 1, 2, 3 and 4 pizzas. is there a direct variation? ASAP
Step-by-step explanation:
Write an equation.
c= the cost
p= the number of pizzas
8p means $8 per pizza
And adding 3 includes the delivery charge.
c=8p+3
Plug in the numbers 1-4.
1: $11
2: $19
3: $26
4: $35
This equation is NOT a direct equation since you have to add 3 (for the delivery charge) to the numbers.
Which rate describes a unit price?
$0.35 per minute
Answer:
0.75 I think but I'm sure that it's right
What is the value of f(x)=12x+5 when x=4?
Answer:
If 53 wrong then I am sorry.
Step-by-step explanation:
Please help me with this
I'll mark you as brainliest
Answer:
a) Just add 1 square on the right and 1 square on top for figure 4. Add 1 more in each place for figure 5.
b) Each stage adds a square above and a square to the right. The pattern never decreases. This trend is shown by figures 1, 2, and 3.
c) Figure 0 would be a single square. Simply follow the pattern in reverse. As the figure number decreases, squares are removed from the right and the top rather than added.
Identify the first step to find the equation below.
Answer:
You would subtract the 7
Step-by-step explanation:
