SYMBOL PLEASS HELP I TRYED AND I DIDNT GET IT RIGHT
explain how to do it please
Answer:
The 3rd option
Step-by-step explanation:
Answer:
1/n^3
Step-by-step explanation:
When there is a negative exponent, it gets flipped (in form of a fraction). Like this one. Imagine there is a 1 in the denominator, the n^-3 would go to the denominator and change to a positive exponent. and vice versa.
1.What is the value of log3 729?
Answer:
6
Step-by-step explanation:
Rewrite - log 3 ( 729 ) = x in exponential form using the definition of a logarithm. If x and b are positive and real numbers and b does not equal 1, then log b ( x ) = y is equivalent to b^{y} = x .
3 x = 729
Create equivalent expressions in the equation that all have equal bases.
3^{x} = {3^6}
Since the bases are the same, the two expressions are only equal if the exponents are also equal.
x = 6
The variable x is equal to 6
What is the simplified form of
of (-7xº+5x²-x+6)-(-8x2 + x +3)?
ОА.
-x + 4x2 - x+3
OBX + 4x² - x+3
ocx - 4x² – 2-3
D. -15x + 6x? - X+9
Please I need help immediately
Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.
Answer:
[tex]\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)=13x^2-2x-4[/tex]
Step-by-step explanation:
Given the expression
[tex]\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)[/tex]
solving the expression
[tex]=-7x^0+5x^2-x+6-\left(-8x^2+x+3\right)[/tex]
apply the rule: [tex]a^0=1,\:a\ne \:0[/tex]
[tex]=-7+5x^2-x+6-\left(-8x^2+x+3\right)[/tex]
[tex]=-7+5x^2-x+6+8x^2-x-3[/tex]
simplify
[tex]=13x^2-2x-4[/tex]
Therefore, the simplified form is:
[tex]\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)=13x^2-2x-4[/tex]
Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.
The running back for the Bulldogs football team carried the ball 5 times for a total loss of 8 3 4 yards. Find the average change in field position on each run. Enter the average change as a simplified mixed number. The average change in field position on each run was yards.
Answer: The average change in field position on each run was [tex]1\frac34[/tex] yards.
Step-by-step explanation:
Given: Total loss of field = [tex]8\dfrac34[/tex] yards = [tex]\dfrac{35}{5}\text{ yards}[/tex]
Number of times football team carried the ball = 5
The average change in field position on each run = [tex]\dfrac{\frac{35}{4}}{5}[/tex]
[tex]=\dfrac{35}{4\times5}\\\\=\dfrac{7}{4}\\\\=1\dfrac34[/tex] yard .
The average change in field position on each run was [tex]1\frac34[/tex] yards.
Answer: The average change in field position on each run was yards.
Step-by-step explanation:
Given: Total loss of field = yards =
Number of times football team carried the ball = 5
The average change in field position on each run =
yard .
The average change in field position on each run was yards.
1,000 x 0.1=I’m so lost-
Answer:
100
Step-by-step explanation:
just multiply
Which is greater: -3 or 1/6 *
They are equal
3
1/6
It depends
Work out the volume of this hemisphere?
Step-by-step explanation:
[tex]the \: volume \: of \: hemisphere = \frac{2}{3} \pi {r}^{3} \\ v = \frac{2}{3} \pi {18}^{3} = 12214.5122 \\ = 12214.5 \: {cm}^{3} [/tex]
Answer:
1072.3
Step-by-step explanation:
Find the measure of each angle. NEED HELP ASAP
Answer:
a = 105 sorry thats all I know
Which expression is 3 times 10 to the power of 7 times as great as 2 times 10 to the power of -4
Answer:
6 times 10 to the 3rd power or 6 • 10^3
Step-by-step explanation:
On this problem, you are multiplying numbers that are in scientific notation.
3 • 10^7 multiplied by 2 • 10^-4.
To do it, you multiply the first part of each number (the mantissas) and you multiply the powers of ten part (the ordinates) of the two.
So.... 3 times 2 is....
right... 6
Then...
10 to the seventh power times 10 to the -4 power...
When you multiply the same base, you add the exponents...
So it is 10 to the "seven plus negative four" power.
That is 10 to the 3rd power.
So the final answer is
6 times 10 to the 3rd power.
Or
6 • 10^3
6 × 10³ is the multiplication of 3 × 10⁷ and 2 × 10⁻⁴.
What is the law of indices?Index (indices) in Maths is the power or exponent which is raised to a number or a variable.
For example, 5³ = 5²5 here we break 5³ into 5² and 5, so it is called the law of indices.
Given that 3x10⁷ times as great as 2x10⁻⁴
Let x is 3 × 10⁷ times as great as 2 × 10⁻⁴.
Then,
x = (3 × 10⁷) × (2 × 10⁻⁴)
x = (3 × 2) × (10⁷ × 10⁻⁴)
x = 6 × 10⁷⁻⁴
x = 6 × 10³
Hence, "6 × 10³ is the multiplication of 3 × 10⁷ and 2 × 10⁻⁴".
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Please don’t judge me please if I don’t know
Answer:
its ok
Step-by-step explanation:
there is this app called photo math where you take a picture of the problem and its answers you but the answer is -4g
Which situation can be represented by 3s = 5s - 6 ?
Answer:
First one
Step-by-step explanation:
3s=5s-6
Kaitlin makes $13.15 per hour. If she works more than 40 hours in a week, she gets paid time and a half. Kaitlin gets a paycheck every two weeks. On her recent paycheck, she made $1209.84. How many overtime hours did Kaitlin work? Hint: For a two week pay period, 80 hours is considered regular pay.
Answer: 8 hours
Step-by-step explanation:
The pay is for 2 weeks which means that she worked for 80 hours.
At 80 hours, the regular income she should make is:
= 80 * 13.15
= $1,052
The total she made from overtime is therefore:
= 1,209.84 - 1,052
= $157.84
When she works overtime, she gets paid at a rate of a time and half. This means she gets:
= 13.15 * 1.5
= $19.73
The hours of overtime she worked is therefore:
= 157.84/19.73
= 8 hours
-12a + 13b - 32
please help me
Answer: 12a+ 13b
Step-by-step explanation:
Answer:
12a+13b
Step-by-step explanation:
The expression cannot be further simplified as there are no like terms.
Brittany has a recipe which yields 25 hamburgers, but she only needs to make 10. If the original recipe calls for nine pounds of ground beef, how much
ground beef will she need to use?
A- 10 pounds
B- 7.5 pounds
C- 54 pounds
D- 3.6 pounds
A unit rate is about finding the quantity of one unit at a rate of one of another given unit.
3.6 pounds of ground beef is needed to make 10 hamburgers.
Option D is the correct answer.
What is a unit rate?A unit rate is about finding the quantity of one unit at a rate of one of another given unit.
We have,
Recipe:
25 hamburgers = 9 pounds of ground beef.
Divide both sides by 25.
1 hamburger = 9/25 pounds of ground beef.
Now,
The number of pounds of ground beef to make 10 hamburgers:
1 hamburger = 9/25 pounds of ground beef
Multiply 10 on both sides.
10 hamburgers = 10 x 9/25 pounds of ground beef
10 hamburgers = 3.6 pounds of ground beef.
Thus,
3.6 pounds of ground beef is needed to make 10 hamburgers.
Learn more about unit rates here:
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need help asap please
Can someone please help me. I am struggling with this question.
Answer:
d i think help someone confirm it
Step-by-step explanation:
Apply the distributive property using the greatest common factor to write an equivalent expression.
Enter your answers in the boxes.
0.3x – 2.7 =T0-0)
Step-by-step explanation:
0.3x = (0.3)(x).
2.7 = (0.3)(9).
Between the 2 terms, the GCF is 0.3.
Hence,
0.3x - 2.7
= (0.3)(x) - (0.3)(9)
= 0.3(x - 9).
A linear model of this situation contains the values (15, 300.2) and (26, 177.88) where x represents the number of square inches knitted on the scarf and y represents the number of yards remaining on the ball of yarn. How many yards of yarn did Paula start with?
Answer: Paula starts with 301.5 yarns.
Step-by-step explanation:
Equation of a line passing through two points (a,b) and (c,d) is given by:-
[tex](y-b)=\dfrac{b-d}{a-c}(x-a)[/tex]
Given: x= number of square inches knitted on the scarf
y= number of yarns remaining on the ball of yarn
The equation of a line passing through (15, 300.2) and (26, 177.88):
[tex](y-300.2)=\dfrac{26-15}{177.88-300.2}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)[/tex]
To find initial point, put x=0
[tex]y-300.2=-\dfrac{11}{122.32}(0-15)\\\\\Rightarrow\ y-300.2=\dfrac{375}{278}\\\\\Rightarrow\ y=\dfrac{375}{278}+300.2\\\\\Rightatrrow\ y=301.5 \ \ (approx)[/tex]
Hence, Paula starts with 301.5 yarns.
help please? i don't know what to do if the base is X
Answer:
area = x^2 - 4x
Step-by-step explanation:
a = x(x-4)
a = x^2 - 4x (x times x is x^2, x times -4 is -4x)
if 3(x-1) -5(x-4)=8 find the value of x-5 whole 1/2
Step-by-step explanation:
3(x-1) -5(x-4) = 8
3x-3 -5x+20 = 8
3x -5x -3 +20 = 8
-2x + 17 = 8
17 -8 = 2x
9 = 2x
2x = 9
x = 9/2
6. You have 324 coins and divide them into two piles, in the ratio of 1:2. The smaller of the two piles is then divided into two additional piles which are in the ratio of 3:1. How many coins are in the smallest of the piles?
A 27 B 54 C 81 D 108 E 216
Answer:
Your answer is B or 54.
Step-by-step explanation:
Answer:
the answer is 54
Step-by-step explanation:
if you have a ratio of 1:2 you divide 324 by three
108 and 216
if you take 108 and divide it again into two more piles you get 54
25 = x + 3 one step equation TWO step equation
Answer:
x = 22
Step-by-step explanation:
rearange the equation to 25-3=x. 25-3 = 22, therefore x = 22
Answer: X =22
Step-by-step explanation: Switch sides x + 3= 25 then subtract 3 from both sides x + 3 - 3= 25-3 then simplify and you get X=22
A baker needs 8 1/2 cups of flour for a sheet cake recipe. He has 4 2/3 cups of flour in a canister and buys 5 1/4 cups more.
How much flour does he have left after he makes the sheet cake?
Enter your answer as a mixed number in simplest form.
I dont know if i asked this question already but, I cant find it, but i need help now!
Answer: 1 5/12 cups of flour leftover
Step-by-step explanation: First, add 4 2/3 + 5 1/4. This gives you 9 11/12. 9 11/12 - 8 1/2 = 1 5/12.
The baker has [tex]1\frac{5}{12}[/tex] cups of flour left after making the sheet cake.
What is Fraction?A fraction represents a part of a whole.
Given that baker needs [tex]8\frac{1}{2}[/tex] cups of flour for a sheet cake recipe.
Baker has [tex]4\frac{2}{3}[/tex] cups of flour in a canister and buys [tex]5\frac{1}{4}[/tex] cups more.
The flour he has in total = [tex]4\frac{2}{3}[/tex] + [tex]5\frac{1}{4}[/tex]
=14/3 +21/4
=56+63/12
=119/12
To find how much flour the baker has left after making the sheet cake, we can subtract the amount needed from the total amount:
119/12 - 17/2 = (119 - 102) / 12 = 17/12
Therefore, the baker has [tex]1\frac{5}{12}[/tex] cups of flour left after making the sheet cake.
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The difference btwn 2 villages is over 24km Write this as an algebraic statement
*HELP*
Answer:
|x - y| > 24
Step-by-step explanation:
The difference btwn 2 villages is over 24km Write this as an algebraic statement
To solve :
Let us represent the two villages with an alphabet :
Let:
Village 1 = x
Village 2 = y
The difference between the two villages : |Village 1 - Village |, that is x - y
The difference is more than 24 km, that is > 24
Hence,
Algebraically,
|x - y| > 24
Mr. Tang gives a math test worth 90 points that contain 25 questions. Multiple-choice questions are worth 3 points and word problems are worth 4 points. How many of each type of question are there?
Answer:
m=10
w=15
Step-by-step explanation:
m + w = 25
3m + 4w = 90
Let's do substitution, first by solving the first equation for m.
m = 25 - w
Substitute!
3(25 - w) + 4w = 90
75 - 3w + 4w = 90
w = 15
m = 25 - 15 = 10
Higher Order Thinking Mr. Wing's class collected some cans to recycle on Tuesday. They collected 18 more cans on Wednesday. The class collected 44 cans in all. How many cans did the class collect on Tuesday?
Answer:
26
Step-by-step explanation:
they collected 26 cans on Tuesday
Step-by-step explanation:
just subtract the amount on Wednesday to the total of 44 and it gives you the number before it was added all together which is 26
1. In Line AC, B is the midpoint between Point A and Point C. If AB = 4x + 5 and BC = 3x +12, what is x?
HELP it’s easy please?
Answer:
Obtuse and acute
Step-by-step explanation:
hope this helped
Answer:
Step-by-step explanation:
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6 builders can build 10 houses. How many number of houses can 18 builders build?
Answer:6 x 30 =18 x ex
180= 18 ex
ex =180/18
number of days = 10
Step-by-step explanation:
plz answer this i need it asap!!!!!!!!!
Answer:
its a luv
Step-by-step explanation:
