Answer:
- 5x ² 15x + 10
Step-by-step explanation:
1st 7x² - 6x +4 -(12x². +9x-6)
Remove the parentheses
2nd. 7x² - 6x +4-12x²-9x+6
Collect like terms Calculate
and then there you go you got the answer
-5x ² 15x + 10
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours
Answer:
32km
Step-by-step explanation:
Rewrite the expression in the form 3^n.
Explanation:
Cross off four copies of '3' in both the numerator and denominator. Each pair cancels because 3/3 = 1, and 1 times any number is the same number. See the diagram below.
The numerator will be left with two copies of '3'. The denominator won't have anything left.
So we have 3*3 = 3^2
HELP ME PLEASE FAST
Answer:
3. x=4 4. x= 2
Step-by-step explanation:
just trust me
How to make 20 using the number 3,5,6,3 add
Answer:
3+3+6+5+3=20
Step-by-step explanation:
3+3=6
6+6=12
12+5=17
17+3=20
Answer:
(3x3)+6+5
Step-by-step explanation:
3 times 3 is 9
9 plus 6 is 15
15 plus 5 is 20
I really need help with this one
Answer:
28
Step-by-step explanation:
Since B is the midpoint of AC, that means AB = BC. That means 3x+4 = 5x-6. We can now set up an equation to solve for x:
3x+4 = 5x-6
3x+10 = 5x
10 = 2x
x = 5
Now that we know what x is, we can just plug x into the expression of AB and multiply it by 2:
(3*(5)+4)*2
=(15+4)*2
=19*2
=28
(side note: we could have plugged x into the expression of BC as well, but in this case plugging it into AB tends to be easier to solve)
Therefore, the length of AC is 28.
Three members of a teen hiking group hiked 3 5 of the entire Appalachian trail. The hikers took turns carrying a backpack of supplies. If each teen carried the backpack the same distance, what part of the total distance did each hiker carry the backpack? In this problem, the numerator is the same number as the . So the answer will be a . Each hiker carried the backpack for of the total trail distance.
Answer:
divisor,unit fraction,1/5
Step-by-step explanation:
Answer:
Step-by-step explanation:
How do you know whether two quantities x and y are proportional? Every ratio yx for related pairs of x and y is equivalent. Every sum x + y is the same for related pairs of x and y. Every x term is a multiple of the previous term. Every difference x – y is the same for related pairs of x and
Answer:
Two quantities x and y are said to be proportional if ratio yx for related pairs of x and y is equivalent.
Step-by-step explanation:
Two quantities x and y are said to be proportional if ratio [tex]yx[/tex] for related pairs of [tex]x[/tex] and y is equivalent.
The symbol ∝ is used to denote the proportionality. For example, if [tex]x[/tex] is proportional to y, then it is represented as [tex]x[/tex]∝y and if [tex]x[/tex] is inversely proportional to y, then it is represented as [tex]x[/tex] ∝ 1/y
What is Three-fourths divided by one-sixth? A fraction bar labeled 1. Under the 1 are 4 boxes containing one-fourth. Under the 4 boxes are 6 boxes containing one-sixth. Under the 6 boxes are 12 boxes containing StartFraction 1 Over 12 EndFraction. 3 4 4 and StartFraction 1 Over 12 EndFraction 4 and one-half
Answer:
4 and one-half
Step-by-step explanation:
Given the expression (3/4)÷(1/6), we are to simplify it. See the workings below;
(3/4)÷(1/6)
= 3/4 × 6/1
= (3×6)/4
= 18/4
= 9/2
Write as a mixed fraction
= 4 1/2
Hence the correct answer is 4 and one-half
Answer:
D
Step-by-step explanation:
A car can travel 80 miles on 4 gallons of gasoline. If the gas tank, which can hold about 15 gallons, is half full, how many miles can the car travel before it runs out gas?
Answer: 150
Step-by-step explanation: A car can travel 80 miles on 4 gallons of gas if the gas tank can hold about 15 gallons is half full there will be 7.5 gallons of gas in the can so multipy the 80 miles by 1.875, 150
14^7/14^2 simplify expression
Answer:
537824
Step-by-step explanation:
[tex]14^{7}[/tex]/ [tex]14^{2}[/tex]
[tex]14^{7}[/tex] = 105413504
[tex]14^{2}[/tex] = 196
105413504 / 196
537824
80/91 + 5/9 plz help
Answer:
1.43467643468
Step-by-step explanation:
Answer:
I think the answer is 1.44
Step-by-step explanation:
this is a simplified version of 1.43467643
which number is bigger than the other? -0.75 or -5/4!! Please help!
Answer:
-0.75
Step-by-step explanation:
-0.75 or -5/4
-0.75 or -1.25
-0.75 is bigger because it has a greater value.... it is closer to zero, on a number line.
Which graph represents the inequality y<−1+2x?
Answer:
B
Step-by-step explanation:
negative slope so the line will go down and it has a less than sign so the shade will be below it
Which equation fits the situation? Mikes test score was 20 points lower than marks if mark scored a 95 on the test which equation would give mike’s score
Answer:
95 - 20 = t
Step-by-step explanation:
Let's start with the facts. You know that Mike's test score is 20 points lower than Mark's. You know that Mark's score was 95.
If we are trying to find Mike's test score, t, the equation would be this:
The equation would be 95 - 20 = t
I hope this helps :)
Factor
• 1/343 x3 - 1/125
• 0.001b3 - 8
- send help •-•'
Answer:
[1/7 x - 1/5][(1/49 x²)+(1/35 x)+(1/25)]
(0.1b - 2)[0.01b²+0.2b+4]
Step-by-step explanation:
a³-b³=(a-b)(a²+ab+b²)
So
1/343 x³ - 1/125
[(1/7)x]³ - [1/5]³
[1/7 x - 1/5][(1/7 x)²+(1/7 x)(1/5)+(1/5)²]
[1/7 x - 1/5][(1/49 x²)+(1/35 x)+(1/25)]
And
0.001b3 - 8
(0.1b)³-(2)³
(0.1b - 2)[(0.1b)²+(0.1b)(2)+2²]
(0.1b - 2)[0.01b²+0.2b+4]
Solve for x.
Зxy = W
Answer:
[tex]\huge\boxed{x=\frac{W}{3y}}[/tex]
Step-by-step explanation:
If we have the equation [tex]3xy=W[/tex] and we want to solve for x, our goal is to isolate x one one side of the equation.
The question we have to ask ourself is ”What’s stopping x from being isolated?”
That would be the 3 and the y.
Since we’re multiplying x by the 3 and the y, we can divide both sides by the 3 and the y to get x isolated.
[tex]3xy \div 3y = w \div 3y[/tex]
[tex]x = \frac{W}{3y}[/tex]
Hope this helped!
If b= 40 degrees and c= 30 degrees, what is the measure of d?
Answer:
It would be D. 110 degrees
Step-by-step explanation:
A triangle is always equal to 180 degrees. So, if you add b + c, you get 70 degrees. Subtract that from 180, and you get 110. Hope this helped!
Answer:
a = 110 degree
d= 70 degree
Step-by-step explanation:
a+b+c = 180. (being sum of all interior angle of a triangle is 180 degree)
a+40+30 = 180
a=180-70
a = 110
Similarly,
a+d=180. (being supplementary angle)
110+d=180
d= 70
Five more than four times a number
Answer: 4x +5
Step-by-step explanation:
Re-write the standard form equations provided in slope-intercept form
4.5x – 10y = 15
Help me o my I think I’m going to cry so please help
Answer:
The final answer in the most simplest form is 3/32
Step-by-step explanation:
3/8(3/4+5/6)-1/2
3/8( 38/24)-1/2
114/192-1/2=36/184
Divide by 12 for the 36 and 184
the final answer should be 3/32
A game store charges a monthly membership fee of $7.50, but then the charge to rent a game is only $1.00. Another store has no membership fee, but that store charges $2.00 to rent a game. How many games need to be rented each month for the total fees to be the same from either store?
Answer:
6 games.
Step-by-step explanation:
Given that,
Monthly membership fee of store 1 is $7.5, but then the charge to rent a game is only $1.00
Another store has no membership fee, but that store charges $2.00 to rent a game.
Let there be n games needed to be rented each month for the total fees to be the same from either store.
Cost of first store = $7.50+$1.00n
Cost of another store = $2.00
If cost equals,
$7.50+$1.00n=$2
n=5.5 [tex]\approx[/tex] 6
Hence, 6 games needed to be rented each month.
Is 285 as a perfect square
Answer:
no
Step-by-step explanation:
the square root of 285 is not a whole number. 285 is not a perfect square.
Answer:
No , it is not a perfect square number of any numbers..
mark BRAINLIEST
Thank you ☺️☺️☺️
i need help with this equation can someone please help me
Answer:
d= 24
Step-by-step explanation:
-2= d/3 - 10
-6= d-30
-d=-30+6
-d= -24
d= 24
Max Quimby picks Raspberries for his grandmother every Tuesday during 2 points
the summer. She pays him $0.75 per quart. If he were able to pick 93
quarts how much he be paid?
Answer:
Would be paid $69.75
Step-by-step explanation:
Since he is paid $0.75 per quart, and he has picked up 93 quarts, you would multiply 0.75 by 93. Which would give you $69.75.
please help quickly
the first option because you multiply both sides,move the constant to the right, calculate,then divide on both sides
Your friend spent $7 in two days on lunch. He says that
he will need $21 for 6 days to spend on lunch. Is your
friend correct? Explain your reasoning.
Answer:
Yes
Step-by-step explanation:
Because he spent 3.50 in those two days and he will spend 3.50 in 6 days. 3.50×6= 21.
a sno-cone machine priced at 139$ is on sale for 20% off , the sale tax is 10
Answer:
The overall price would be 125.1
Step-by-step explanation:
The sales tax is $13.90
the sale takes off $27.8
So 139 - 27.8 + 13.9 is 125.1
pls rate my answer
Angelina received two discounts on a $50 pair of shoes. The discounts were taken off one after the other. Her first coupon was 20%. If she paid $30 for the shoes, what was the dollar amount taken off for the first coupon? She received a $____ discount with the first coupon.
Answer:
$10
Step-by-step explanation:
Because 20% of 50 is 10 so 50-10=40 then 40-30=10
A survey asked 200 people which sports they play regularly. It revealed that
30 played tennis,
25 played golf,
40 played softball,
10 played tennis and golf,
20 played tennis and softball,
15 played golf and softball,
and 8 played all three sports.
How many of those surveyed played golf or softball?
Answer:
15
Step-by-step explanation:
Multiply and simplify the product.
–12i × 3i
Answer:
36
Step-by-step explanation: