Answer:272
Step-by-step explanation:
subtract -2x^2-6x from -2x^2+9
Answer:
6x + 9
Step-by-step explanation:
- 2x² + 9 - (- 2x² - 6x) ← distribute parenthesis by - 1
= - 2x² + 9 + 2x² + 6x ← collect like terms
= 6x + 9
I need help with these problems can someone please help me with them ASAP please and thank you
#33
[tex]\\ \sf\longmapsto \dfrac{300(300+1)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{300(301)}{2}[/tex]
[tex]\\ \sf\longmapsto 150(301)=45150[/tex]
#34
[tex]\\ \sf\longmapsto \dfrac{500(500+1)}{2}[/tex]
[tex]\\ \sf\longmapsto 250(501)[/tex]
[tex]\\ \sf\longmapsto 125250[/tex]
#35
[tex]\\ \sf\longmapsto \dfrac{675(675+1)}{2}[/tex]
[tex]\\ \sf\longmapsto dfrac{675(676)}{2}[/tex]
[tex]\\ \sf\longmapsto 675(338)[/tex]
[tex]\\ \sf\longmapsto 228150[/tex]
#36
[tex]\\ \sf\longmapsto \dfrac{825(825+1)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{825(826)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{825(413)}{1}[/tex]
[tex]\\ \sf\longmapsto 340725[/tex]
#37
n=102/2=51
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 51^2[/tex]
[tex]\\ \sf\longmapsto 2621[/tex]
#38
n=49+1/2=50/2=25
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 25^2[/tex]
[tex]\\ \sf\longmapsto 625[/tex]
#39
n=999+1/2=1000/2=500
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 500^2[/tex]
[tex]\\ \sf\longmapsto 250000[/tex]
identify the terms, coefficients, and constants in the expression.
h+9+g
The number of the terms will be 3. And the coefficient of h and g is 1 and the constant term is 9.
What is polynomial?A polynomial expression is an algebraic expression with variables and coefficients. Unknown variables are what they're termed. We can use addition, subtraction, and other mathematical operations. However, a variable is not divisible.
The polynomial of the two variables is given below.
⇒ h + 9 + g
Where h and g are the variables.
The number of the terms will be 3. And the coefficient of h and g is 1 and the constant term is 9.
More about the polynomial link is given below.
https://brainly.com/question/17822016
#SPJ1
What is the sign of −4 ÷ −8?
Answer?:
1: Positive
2: Negative
3: Zero
[tex]Hello[/tex] [tex]There![/tex]
I believe the answer is...
2: Negative
Hopefully, this helps you!!
[tex]AnimeVines[/tex]
What's -1.55 as a fraction? show work please help
Answer:
hope it's help you dear
Step-by-step explanation:
The decimal part of your number seems to have the repeating digit 5 in it.
Your original number to convert is 1.550000. Let's slide the decimal point in this number to the right 1 place(s) (the same number of digits in the number 5).
If we do this, we'll get a 15.500000 (slide the decimal in the 1.550000 right 1 places, you'll get 15.500000).
So what? Well now, we have two numbers with the same repeating decimal parts, 15.500000 and 1.550000.
Now let's just work a little algebra into all of this. Let's call your original number x. And in this case, x=1.550000. The number with the decimal point slid over can be called 10x, because 10x=15.500000
What if we subtracted these two equations (that is, subtract the items on the left of the equal sign
from the stuff on the right of the equal sign)?
10x = 15.5
- x = 1.55
----------
9x = 13.95.
Now here's the important result of doing all of this: Notice how all of the repeating decimal parts have subtracted away to zero! We are left with a nice, simple 14 on the right side of the equal sign.
Now, solving 9x=14 for x by dividing both sides of it by 9, we'll get that x=14/9. And this is your answer.
How is this your answer? Well remember that above, x was originally set equal to 1.550000 via x=1.550000, and now we have that x is also equal to 14/9, so that means 1.550000=14/9..and there's 1.550000 written as a fraction!
The fraction is an improper fraction (the numerator is greater than the denominator).
While there is nothing incorrect about this, an improper fraction is typically
simplified further into a mixed number.
The whole number part of the mixed number is found by dividing the 14 by the 9.
In this case we get 1.
The fractional part of the mixed number is found by using the remainder of the division,
which in this case is 5 (14 divided by 9 is 1 remainder 5).
So your final answer is: 1.550000 can be written as the fraction
Alexia ran 3 laps around her neighborhood. Each lap is 1 3/8 miles. How many miles did Alexia run? find your answer using addition
Answer:
4 1/2
Step-by-step explanation:
Answer:
the answer 4 1/2 that is what i got
Step-by-step explanation:
Jillian simplified the expression
7+3 . (10 – 6)2 in the following way: 7+3 . (10 – 6)? 2. 7+3. (4) 7 + 3.16 10 - 16 160
A: Explain, using complete sentences, what Jillian's error was.
Part B: Show how the expression should have been simplified using a similar format.
Error in step [tex]10 \cdot 16[/tex] (3 times 16 should be multiplied first )
Steps to simplify
[tex]7+3 \cdot (10-6)^2\\7+3 \cdot (4)^2\\7+3 \cdot 16\\7 \cdot 48\\ 55[/tex]
Given :
Jillian simplified the expression [tex]7+3 \cdot (10-6)^2[/tex]
Steps :
[tex]7+3 \cdot (10-6)^2\\7+3 \cdot (4)^2\\7+3 \cdot 16\\10 \cdot 16\\160[/tex]
Explanation
Lets analyze step by step to find out the error.
Use order of operation PEMDAS
Start with parenthesis , exponents , multiply and divide , add and subtract
Jillian simplified the parenthesis first
Second step is correct
Next exponent is simplified
In the fourth step , 7 and 3 are added before multiplication
10 times 16 is not correct
As per PEMDAS, we need to multiply first and then add 7
Error is step [tex]10 \cdot 16[/tex]
[tex]7+3 \cdot 16\\7+ 48\\Add \; 7\\55[/tex]
Learn more : brainly.in/question/4148085
4(x – 2+ y) =
PLS HELP ABKQNQOQQNQ
Answer:
Multiply each term in the parentheses by four.
4x-8+4y
Step-by-step explanation:
Answer:
[tex] = 4x - 8 +4 y[/tex]
I hope I helped you^_^
James types 50 words per minute. He spends 20 minutes typing his homework. What is the domain of this situation.
A. {all numbers between and including 0 and 50
B. {all numbers between and including 0 and 20}
C.{all numbers between 0 and 50}
D. {all numbers between 0 and 20}
Answer:
B. {All Numbers between and including 0 and 20}
Step-by-step explanation:
This is a graph of: Words (along y-axis) against minutes (z-axis)
As shown in attached graph sketch; the slope of this graph is 50 words per minute.
So the domain of this graph is all numbers between and including 0 and 20.
can someone help please
1/2
plsss mark brainliestt
Step-by-step explanation:
3/6
1.5/3
5/2.5
PLEASE ANSWER AS QUICK AS POSSIBLE
Stephanie's piggy bank has 38 more dollars than Tyler's wallet. Is Stephanie's piggy bank has $50, then the amount of dollars in Tyler's wallet is modeled by y + 38 = 50 where y is the amount of dollars in Tyler's wallet. How much money does Tyler's wallet have?
simplify and combine the like terms. show work
4x-6x
Answer:
-2x
Step-by-step explanation:
4x - 6x = -(6x - 4x) = -(2x) = -2x
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
b. A line with a positive slope slants
and to the right. A line with a
negative slope slants
and to the right. A
line has zero
slope. A
line has undefined slope. Pleaseee help
Answer:
A line with a positive slope will slant up from left to right. Rise when calculating slope, the rise is the vertical distance between two specified points.
Two similar circles are shown. The circumference of the
larger circle, with radius OB, is 3 times the
circumference of the smaller circle, with radius OA.
Radius OB measures x units. Which expression
represents the circumference of the smaller circle with
radius OA?
A.(pi/3) x units
B.(2pi/3) x units
C.2pi x units
D.6pi x units
Answer:
(B). [tex]\frac{2\pi }{3} x[/tex]
Step-by-step explanation:
Write the equation of the line described
Step-by-step explanation:
Find the negative reciprocal of the slope of the original line and use the point-slope formula y−y1=m(x−x1)y-y1=m(x-x1) to find the line perpendicular to y=−2x+3y=-2x+3.
y=12x+1
plants per row
100 plants in 5 rows
Unit rate
Answer:
100 plants/5 rows divided by 5 = 20 plants/1 row. hope this helps
Step-by-step explanation:
- Zombie
Answer:
plants per row = total plants / total rows
=100/5
=20 plants per rate
Step-by-step explanation:
this is the answer plz add it as brainliest
Maria ran at a rate of 3.4 miles per hour for 2.02 hours. How many miles did she run in Total?
Answer:
6.868 miles
Step-by-step explanation:
2.02 x 3.4 = 6.868
Do you have 135$ in a savings account and save $12 per week your friend has $95 in a savings account and save $20 per week how many weeks will it take for you and your friend have the same balance?
Answer:
5 weeks.
Step-by-step explanation:
If w is the number of weeks, apply algebra.
So think about what would be the total money saved, or the same thing as the Money in saving account + Money saved per week × Number of weeks
For you, this would be 135 + 12w
For your friend, 95 + 20w
So then, 135 + 12w = 95 + 20w
1) 135- 95 = 20w - 12w
2) 40 = 8x
3) X= 5 (8 times 5 is 40)
Therefore, it will take 5 weeks for you and your friend to have the same balance.
Tammy is saving money to buy a game. So far she has saved $15, which is one-third of the total cost of the game. How much does the game cost?
I hope this answer would help
Function yes/no
Why or why not?
(Look at picture)
What is the largest integer that is below square root of 8?
What is the area of a triangle 3 4 5
Answer:
6 cm^2
Step-by-step explanation:
put the following events in order from oldest to most recent:
a. WWII
b. Sykes-Picot agreement
c. Israel becomes a state in 1948
d. Balfour Declaration
e. WWI
Answer:
e. WWI » 1914
b. Sykes-Picot agreement » 1916
d. Balfour Declaration » 1917
a. WWII » 1945
c. Israel becomes a state » 1948
Step-by-step explanation:
[tex].[/tex]
necesito una tabla con posibles valores de largo y ancho de un rectangulo que su area debe tener de constante 720cm2
Answer:
Step-by-step explanation:
In order to prove that a quadrilateral is a square specifically, we must show that it possess the properties of both a ________ and a _________.
triangle; trapezoid
rectangle; trapezoid
rhombus; trapezoid
rectangle; rhombus
Answer:
rectangle , rhombus
bsj
12 The diameter of a circle is 24 cm. Its radius is
Answer:
Radius of circle=24cm÷2
=12cm
Find the area of a rectangular ground which is 14 1/2 m long and 10 2/3 m wide.
Answer:
154 2/3 m²
Step-by-step explanation:
14 1/2 x 10 2/3
First, make the mixed numbers into improper fractions:
29/2 x 32/3
Simlify by cross cancelling if you can:
29/1 x 16/3
Then, multiply:
29/1 x 16/3 = 29 x 16/1 x 3 = 464/3
Finally, turn the new improper fraction into a simplified mixed number:
464/3 = 154 2/3
The area is 154 2/3 m²
What is the distance between points M(2,6) and N(3,1) F√24,G√26, H√50,J√74
Answer:
Sqrt 26 = 5.1
Step-by-step explanation:
Sqrt [(1-6)^2 + (3-2)^2]
= sqrt (25+1) = sqrt 26 = 5.1
Can someone help me?
Answer:
yodpdd
Step-by-step explanation:
dbsklwqml
zs
ajoam
sduzz
z
s
s
a
a
a
a
uoklllplmlmmmlmkmkmlo
Answer:
x=54
plsssss mark me brainliestt
Step-by-step explanation:
2x+18+x=180
coordinating angles
3x+18=180
3x=162
x=54
PLEASE HELP
n/39 = 8/13
a: n=32
b: n=2 2/3
c: n=24
d: n=63 3/8
Answer:
c
Step-by-step explanation:
Divide
39 / 13 = 3
Multiply
3 x 8 = 24
Answer:
n/39=8/13
Cross multiply
39*8=13n
n=39*8/13
n=24
