Step-by-step explanation:
that only know
PLS HELP WILL MARK BRAINLIEST, NO FAKE ANSWERS OR WILL BE REPORTED.
Answer:
STEP1:
4 Simplify — 1
Equation at the end of step1:
4 (((((((2•(a3))+(4•(a2)))-2a)-————)-(4•(a2)))-4a)+16)•(((((a2)-6a)+(4•a2))+2a)-4) (a3)
STEP2:Equation at the end of step 2
4 (((((((2•(a3))+(4•(a2)))-2a)-————)-(4•(a2)))-4a)+16)•(((((a2)-6a)+22a2)+2a)-4) (a3)
STEP 3 :
Equation at the end of step3:
4 (((((((2•(a3))+(4•(a2)))-2a)-————)-22a2)-4a)+16)•(5a2-4a-4) (a3)
STEP 4 :
4 Simplify —— a3
Equation at the end of step4:
4 (((((((2•(a3))+(4•(a2)))-2a)-——)-22a2)-4a)+16)•(5a2-4a-4) a3
STEP 5 :
Equation at the end of step5:
4 (((((((2•(a3))+22a2)-2a)-——)-22a2)-4a)+16)•(5a2-4a-4) a3
STEP 6 :
Equation at the end of step6:
4 ((((((2a3+22a2)-2a)-——)-22a2)-4a)+16)•(5a2-4a-4) a3
STEP7:Rewriting the whole as an Equivalent Fraction
7.1 Subtracting a fraction from a whole
Rewrite the whole as a fraction using a3 as the denominator :
2a3 + 4a2 - 2a (2a3 + 4a2 - 2a) • a3 2a3 + 4a2 - 2a = —————————————— = ————————————————————— 1 a3
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
STEP8:Pulling out like terms
8.1 Pull out like factors :
2a3 + 4a2 - 2a = 2a • (a2 + 2a - 1)
Trying to factor by splitting the middle term
8.2 Factoring a2 + 2a - 1
The first term is, a2 its coefficient is 1 .
The middle term is, +2a its coefficient is 2 .
The last term, "the constant", is -1
Step-1 : Multiply the coefficient of the first term by the constant 1 • -1 = -1
Step-2 : Find two factors of -1 whose sum equals the coefficient of the middle term, which is 2 .
-1 + 1 = 0
Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored
Adding fractions that have a common denominator :
8.3 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
2a • (a2+2a-1) • a3 - (4) 2a6 + 4a5 - 2a4 - 4 ————————————————————————— = ——————————————————— a3 a3
Equation at the end of step8:
(2a6+4a5-2a4-4) (((———————————————-22a2)-4a)+16)•(5a2-4a-4) a3
STEP9:
Rewriting the whole as an Equivalent Fraction :
9.1 Subtracting a whole from a fraction
Rewrite the whole as a fraction using a3 as the denominator :
22a2 22a2 • a3 22a2 = ———— = ————————— 1 a3
STEP10:
Pulling out like terms :
10.1 Pull out like factors :
2a6 + 4a5 - 2a4 - 4 =
2 • (a6 + 2a5 - a4 - 2)
Checking for a perfect cube :
10.2 a6 + 2a5 - a4 - 2 is not a perfect cube
Trying to factor by pulling out :
10.3 Factoring: a6 + 2a5 - a4 - 2
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: -a4 - 2
Group 2: a6 + 2a5
Pull out from each group separately :
Group 1: (a4 + 2) • (-1)
Group 2: (a + 2) • (a5)
Bad news !! Factoring by pulling out fails :
The groups have no common factor and can not be added up to form a multiplication.
Polynomial Roots Calculator :
10.4 Find roots (zeroes) of : F(a) = a6 + 2a5 - a4 - 2
Polynomial Roots Calculator is a set of methods aimed at finding values of a for which F(a)=0
Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers a which can be expressed as the quotient of two integers
The Rational Root Theorem states that if a polynomial zeroes for a rational number P/Q then P is a factor of the Trailing Constant and Q is a factor of the Leading Coefficient
In this case, the Leading Coefficient is 1 and the Trailing Constant is -2.
The factor(s) are:
of the Leading Coefficient : 1
of the Trailing Constant :
Graham drove 42 1/3 miles in 1 1/3 hours. What is the unit rate for miles per hour? Use pencil and paper. Describe a situation in which the unit rate would be easier to work with than the given rate.
Answer:
Step-by-step explanation:
42+(1/3)
42*(3/3)+(1/3)
(126/3) + 1/3
126/3 + 1/3 = 127/3 miles
4/3 hours
(127/3)/4/3)
(127/3)*(3/4)
= 127/4 or 31.75 miles/hour
It would have been nicer if we were told Graham's distance after 1 hour (when he had travelled 31.75 miles).
A caterer will provide the meal for the football banquet. The caterer charges a base fee of $400 plus $6 per plate.
A. Write an equation for the function where y represents the total cost and x represents the number of guests.
B. What does the slope mean in this situation?
C. What does the y-intercept mean?
Answer: y = 6x + 400
slope = the increase in cost per extra plate
y-intercept = total cost
Question 15 of 25
Solve the formula V = s2h for s.
O A. s = 1V - h
B. s=
V
C. s =
11 부
O D. s= Vh
Answer:
s = [tex]\sqrt{V/h}[/tex]
Step-by-step explanation:
divide by 'h', then take square root of 's' to get:
s = [tex]\sqrt{V/h}[/tex]
Solve for x
9x+7=30
round to the nearest tens digit.
264 devided by 2= also i am sending more so look out
Answer:
132
Step-by-step explanation:
can someone help me solve this Y= q-k/n for q
Answer:
q=y + K/n
Step-by-step explanation:
Jaya is saving up for a computer.she babysits 3 days a week .however she spends $2 each day on gas to get there . If she makes a total of $84.00 in a week how much does she make babysitting each day
Answer:
28$
Step-by-step explanation:
She spends 14 dollars a week (7 days x 2$), and if she ends a week with 84$, she makes 28$ a day. This is unincluding the 14$ she spends on gas.
Tabitha sent 22 text messages every day for 7 days. How many messages did she send total?
154 messages
176 messages
164 messages
144 messages
Answer:
the answer is 154
Step-by-step explanation:
22x7=154
PLEASEEEE HELP PLZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Answer:
36 and 45
Step-by-step explanation:
Cuál es la solución de la ecuación 9 x + 1 = 2x + 15
Answer:
X=2
Step-by-step explanation:
9x+1=2x+15
1. restar 1 de ambos lados ejemplo: 9x+1-1=2x+15-1
2. simplificar Ejemplo: 9x=2x+14
3. restar 2x de ambos lados ejemplo: 9x-2x=2x-2x+14
4. simplificar ejemplo: 7x=14
5.divide ambos lados entre 7 ejemplo: 7x/7= 14/7
6.Simplificar ejemplo: x=2
What is the y-intercept of the equation 2x + 4y = -16?
1. -16
2. -8
3. -4
4. -2
Answer:
3) -4
Step-by-step explanation:
Hi there!
2x + 4y = -16
The y-intercept occurs when x=0. Replace x with 0 and solve for y:
2(0) + 4y = -16
4y = -16
y = -4
Therefore, the y-intercept is -4.
I hope this helps!
100 lamps have been prepared for a function. 3 litres of oil
were required to fill all these lamps completely. Estimate
the capacity of a lamp.
Answer:
300 liters need to be filled into each lamp
Step-by-step explanation:
hope this helps
What will be the total cost for 10 hours of work?
Answer:
Datas are not given
................
Marsha is twice as old as Karli. The sum of their ages seven years ago was 13. How old
are they now?
Answer:
20
Step-by-step explanation:
the twis old as karli
the sum of their ages 7 years ago
13+7=20
What is the answer? Thank you so much
Please help ASAPP!!!!!
Order the expressions from least value to greatest value.
Answer:
-4.8 • 3.2 < 4.2 divided by -3 < -2 3/5 - (-1 2/5) < 2 1/4 + (-1 2/5)
Hope it helps!
What’s the mean, variance and standard deviation
Answer:
Step-by-step explanation:
binomial distritubtion
mean= n*p
.23*300= 69
variance= n*p*(1-p)
.23*300*(1-.23)=53.1
standard deviation= sqrt(variance)
sqrt(53.13)= 7.3
Donald can type 240 words in 6 minutes. How long will it take him to type a 1000-word essay if he types at the same rate?
Fill in the blanks with the correct values.
25 minutes
(6*1000)/240
12.642 to the nearest tenth
29.10 to the nearest tenth
2,492 to the nearest tenth
3.44 to the nearest tenth
5,239 to the nearest tenth
89.43 to the nearest tenth
Answer:
12.6
Step-by-step explanation:
sorry only first one
PLEASEEE HELP ME WITH THIS QUESTION!!! I WILL MARK THE BEST ANSWER BRAINLIEST AND GIVE EXTRA POINTS!!
Answer:
Umm... I'd love to help but... you didnt post a question. Was that an accident?
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The absolute value measures the distance from zero on a number line. A negative number will have the sign change,
yall... help pls this is hard
Answer:
First one Or Last. I think the last one though
Step-by-step explanation:
95 people went to a convention in San Francisco. They took three large vans and 50 people traveled by car. How many people fit in each large van. Write an equation first, then solve
Answer:
15
Step-by-step explanation:
95 - 50 = 45
45/3 = 15
Give the x-intercept for the equation 6x + 3y = -9
Answer:
-9/6 or -3/2
Step-by-step explanation:
To find the x intercept, substitute y = 0 into the equation:
6x + 3(0) = -9
Now simplify,
6x + 0 = -9
6x = -9
x = -9/6 → -3/2
Tip: If you were finding the y-intercept, you would substitute x = 0 into the equation instead
find the next three term of sequence of 1,3,5,7,9,11,...
A factory makes 84 toys robots in a day after they purchase new equipment now they make 205 robots a day
Based on the given information the percent gain is 144%.
Initial production rate = 84 toy robots per day
Present production rate = 205 robots per day
Using this formula
Percent gain= Increase in production rate /Initial production rate× 100
Where:
Increase in production rate = 205 - 84 =121
Initial production rate = 84 toy robots per day
Let plug in the formula
Percent gain=121/84×100
Percent gain=144%
Inconclusion the percent gain is 144%.
Learn more here:
https://brainly.com/question/20824377
3|-d + 2| + 1 if d = 4
Answer:
7
Step-by-step explanation:
reminder that the absolute value function always gives a positive result.
3 | - d + 2 | + 1 ( substitute d = 4 )
3 | - 4 + 2 | + 1
= 3 | - 2 | + 1
= 3 × 2 + 1
= 6 + 1
= 7
This is 8th-grade math please help
help asap
Which ordered pairs are solutions to the inequality – 2x +y> -4? Select each correct answer (3, -1) (1, - 2) 12 (0, -5) (-1, 1) (0, 1)
the answer is (3,1)(1,-2)
Pls answer need to double check
if you're looking for someone to double-check I just did and you're right.
Answers:
x = 60y = 70============================================
Explanation:
The parallel lines show that x = 60 since the 60 and the x angles are alternate interior angles. Alternate interior angles are congruent when we have parallel lines like this.
Focusing on the largest triangle, the three angles add to 180 degrees
x+y+50 = 180
60+y+50 = 180
y+110 = 180
y = 180-110
y = 70
This triangle appears to be equilateral, but it's not entirely so (it's fairly close however). That 50 degree angle in the bottom right corner would need to be 60 degrees for it to be equilateral.