Answer:
f+g)(x) = f(x) +g(x)
.. = (x^2-36) +(x^3+2x^2-10)
.. = x^3 +3x^2 -46
Step-by-step explanation:
7th grade help me plzz
Answer: I think C
..............................
The truth table represents statements p,q, and r. Which statements are true for rows A and E? Select two options
Answer:
q↔r
r↔q
Step-by-step explanation:
just did the test
Answer: q<-> q
r <->p
Step-by-step explanation:
Jenny is solving the equation 3 x + 5 = 4 x + 2 using algebra tiles. She cannot decide if she should add 3 negative x-tiles or add 2 negative unit tiles to both sides first. Which explains which Jenny should do first?
A.She should add 3 negative x-tiles first because that is the only way to isolate the variable.
B.She should add 2 negative unit tiles first because that is the only way to get to the correct solution.
C.She can do either one first because zero pairs will be created to isolate the variable either way.
D.She should do neither one first because the first step is to add 4 negative tiles to both sides.
Answer:
Step-by-step explanation:
A
Answer:
A She should add 3 negative x-tiles first because that is the only way to isolate the variable. Is the correct answer
Step-by-step explanation:
Hope this helps! :)
Explain how the Distributive Property can be used to solve the equation.
3(x + 4) = 36
Answer:
3(x+4)=36 is the same as 3x+12=36
If 3x+12=36, that means x=8
36-12= 24
24/3=8
Step-by-step explanation:
You have $70 in your bank account. Each week you plan to deposit $7 from your allowance and $10 from your paycheck. The equation b = 70 + (10 + 7)w gives the amount b in your account after w weeks. How many weeks from now will you have $185 in your bank account?
Answer:
After 7 weeks from now you will have $185 in your bank account.
Step-by-step explanation:
We are given that you have $70 in your bank account. Each week you plan to deposit $7 from your allowance and $10 from your paycheck. The equation b = 70 + (10 + 7)w gives the amount b in your account after w weeks.
The equation is given by;
b = 70 + (10 + 7)w
Now, in the question, it is given that you have $185 in your bank account, that means;
$185 = $70 + $17w
Finding the value of w(weeks);
$17w = $185 - $70
$17w = $115
w = [tex]\frac{\$115}{\$17}[/tex]
w = 6.76 weeks or 7 weeks (approx).
Hence, after 7 weeks from now you will have $185 in your bank account.
When you multiply a whole number by this number, n, it will decrease the
value.
Which of the following values could represent n?
I. 13
3
un
II.
III. 0.98
IV. 1.05
Answer:III/ 0.98
Step-by-step explanation: if you multiply a number by a decimal (not like 1.55, since that would increase the value since there is a whole) it will decrease.
Answer:
0.98
Step-by-step explanation:
because if you do 6 x 0.98 you get 5.88
What is the rate of change?
A store is having a sale on games. The sale is buy one game, get one 50% off. The original price of one game is $17.48. David bought several games, and the total cost was $69.92. How many games did David buy?
Answer:
I think its 5 games.
Step-by-step explanation:
:)
Zachary's dad gave him $80 for cleaning out the garage. He used the money to buy a $14.50 book and three games that cost $8.20 each. Zachary also
bought lunch for himself.
If Zachary went home with 1/4 of the money his dad gave him, how much was his lunch?
Answer:
lunch was $20.90
Step-by-step explanation:
PLS HELP AHHHHHH !!!
Answer:
0
Step-by-step explanation:
It's counting up by 2 so it would go -10,-8,-6,-4,-2,0,2,4,6,8... and so on
Hope this helped :)
What’s the quotient of 23!divided by 7
The Art Club at Northwest Middle School is selling candy bars as a fundraiser. The box plots below show the number of candy bars the members of the Art Club sold in the first two weeks of the fundraiser. Select all of the following statements that are true about the Art Club’s candy bar sales.
there's no picture to go based on
Answer:
no pic
Step-by-step explanation:
8.118 times 12 (I got it wrong multiple times)
Answer:
97.416Step-by-step explanation:
The prime factorization of a number is . Which statement is true about the factors of the number? Twenty-one is a factor of the number because both 3 and 7 are prime factors. Twenty-one is not a factor of the number because 21 is not prime. Ninety is a factor of the number because and 90 is divisible by 9. Ninety is not a factor of the number because 90 is not divisible by 7.
Answer & Step-by-step explanation:
Factors of a number are the number(s) whose product ie multiplication gives the number. Prime factorisation is finding 'prime' factors of numbers, ie the numbers which dont have a factor further - other than themselves & 1.
Example : 6 = 2 x 3, so 2 & 3 are factors of 6. Also, 2 & 3 are prime factors, as they dont have further multiplication factors, other than themselves (2 & 3 respectively) & 1. So this can be an illustrative case of prime factorisation of 6.
Answer:
Answer:
Twenty-one is a factor of the number because both 3 and 7 are prime factors.
Step-by-step explanation:
Given number is,
3^2\times 5^3\times 73
2
×5
3
×7
=3\times 3\times 5\times 5\times 5\times 7=3×3×5×5×5×7
Where, 3, 5 and 7 are prime numbers ( only divisible by 1 and itself ),
⇒ Both 3 and 7 are prime factors of the given number,
⇒ 21 is a factor of the given number.
Thus, first option is correct.
⇒ Second option is incorrect.
Now, 5 is factor of the given number but 2 is not,
⇒ 10 is not a factor of the given number,
⇒ 90 is not a factor of the given number,
⇒ Third option is incorrect.
Suppose 90 is divisible by 7,
⇒ 90 = 7a
Where a is any whole number,
⇒ 7=\frac{90}{a}7=
a
90
3^2\times 5^3\times 7=3^2\times 5^3\times \frac{90}{a}3
2
×5
3
×7=3
2
×5
3
×
a
90
Since, 90 could be a factor of this number, if a = 3 or 5 or their multiple,
For the other values of a, 90 can not be the factor,
Hence, there is no effect of divisibility of 90 by 7 on having 90 as a factor of the given number,
⇒ Fourth option is incorrect.
Step-by-step explanation:
0
Solve 3 (2x-- 1) + 5 (x+2) = 7(x-3)
Answer:
10x-15+7x-21
Step-by-step explanation:
Take parenthesis out
5x-5+5x+10=7x-21
10x-15+7x-21
Define the word expression to me. Use proper English and complete sentences.
Answer:
a finite combination of symbols that is well-formed according to rules that depend on the context
Step-by-step explanation:
why do i feel like you have the same math teacher as me he asked me the same question on google classroom anyways hope this helps
2(3x+5)= 5(2x - 4) -4x
Answer:
No solution for x!!!!!!!!!
Answer:
There is no solution
Step-by-step explanation:
9 subtracted from twice a number
Answer:
9 - X x 2
Step-by-step explanation:
nine subtracted from twice a number (X) which is written as 9 - X x 2 or 9 - 2x
Please help on this: Given: 4c-d = f, d = c-e, f = d + e; Prove: 3c = d
Answer:
Step-by-step explanation:
Given the equations:
4c-d = f ....... 1
d = c-e....... 2
f = d + e....... 3
Substitute 2 into 1
4c -(c-e) = f
4c -c + e =f
3c + e = f ......4
Substitute equation 3 into 4:
3c+e = d+e
subtract e from both sides
3c+e-e = d+e-e
3c = c (Proved)
If a relation is a function, that means that each input has ____ output(s).
a. exactly one
b. two
c. several
Answer:
a exactly one
Step-by-step explanation:
Graph 4/3 on the number line.
Answer:
The line on the right, closest to 1.
Step-by-step explanation:
We know since it is four thirds, that it is more than 1. That shows us it'll be at least on or over the 1 point.
Then we have one third, there's three points. Put it on the first point leading to 2.
what is a polygon. explain
Answer:
A plane figure with at least having three side and angles.
Step-by-step explanation:
typically five or more than five.
Convert 65 inches to feet.
Answer:
780 in
Step-by-step explanation:
65*12=780
Answer:
5 ft 5in (5.41667 ft)
Step-by-step explanation:
divide by 12 using long division and use remainder for inches. Or divide 65 by 12 and use decimal value. Hope this makes sense.
4. Write the equation in Slope-Intercept Form for the line that passes through (-3,
-7) and (-5, -7). Write the equation in the form, y=mx+b, no spaces
Answer:
y=0+-7 (I think)
Step-by-step explanation:
find slope: -7-(-7)/-5-(-3):
y=0+b: -7=b
check: -7=0*-3+-7
-7=-7 which is true.
i need help with this plz
Answer:
A. The 14 in the expression could be changed to 28
Because 40% of 70 is 28
Evaluate the expression 7x2−12x+13 when x=4. Show each step of your work by using the math keyboard under this question. First, show the value substituted in for x. Then show each step and rewrite the problem until it is complete
Answer:
-21
Step-by-step explanation:
7 x 2=14
14-48+13
14-48=-34
-34+13=-21
which answer is it ?
Answer:
168 cubic in.
Step-by-step explanation:
Volume of a rectangular pyramid: (l × w × h) / 3 or × 1/3.
Volume: (7 × 8 × 9) / 3
(504) /3
V = 168 cubic in.
Algebra:
G = z-s/r solve for z
Answer:
z=gr+s/r
Step-by-step explanation:
Hope this helps :)
Solve.
6-7x= 7x- 9x - 4
The value of x is _.
Answer:
x = 2
Step-by-step explanation:
Step 1: Write equation
6 - 7x = 7x - 9x - 4
Step 2: Solve for x
Combine like terms: 6 - 7x = -2x - 4Add 7x to both sides: 6 = 5x - 4Add 4 to both sides: 10 = 5xDivide both sides by 5: 2 = xRewrite x = 2Step 3: Check
Plug in x to verify it's a solution.
6 - 7(2) = 7(2) - 9(2) - 4
6 - 14 = 14 - 18 - 4
-8 = -4 - 4
-8 = -8
3x -10+ 4x= -2 (x-4) +9
Answer:
x = 3
Step-by-step explanation:
Step 1: Write equation
3x - 10 + 4x = -2(x - 4) + 9
Step 2: Solve for x
Distribute -2: 3x - 10 + 4x = -2x + 8 + 9Combine like terms: 7x - 10 = -2x + 17Add 2x to both sides: 9x - 10 = 17Add 10 to both sides: 9x = 27Divide both sides by 9: x = 3Step 3: Check
Plug in x to verify it's a solution.
3(3) - 10 + 4(3) = -2(3 - 4) + 9
9 - 10 + 12 = -2(-1) + 9
-1 + 12 = 2 + 9
11 = 11