The solution to start fraction x over negative 6 end fraction = 10 is -60.
Here the equation will be
x/-6 = 10
We have to solve for the value of x. So, in order to solve for the value of x we simply have to multiply -6 by the RHS of the equation i.e., 10.
⇒x = -6x10
⇒x = -60
Therefore, the solution to start fraction x over negative 6 end fraction = 10 is -60.
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Which equation could represent the data in the table?
Answer: The Answer is A.
Step-by-step explanation:
A recipe calls for 3 3/ 5 cups of kidney beans and 2 2/3 cups of diced tomatoes. if the recipe is multiplied by 2 1/2, how much of the mixture will there be?
Answer:
There will be 15 2/3 cups in the mixture.
Step-by-step explanation:
3 3/5 + 2 2/3 = 3 9/15 + 2 10/15 = 5 19/15
= 6 4/15
6 4/15 × 2 1/2 = 94/15 × 5/2 = 47/3 = 15 2/3
So there will be 15 2/3 cups in the mixture.
Evaluate each logarithm.
log₉ 9
We need to know about logarithm to solve this problem. The value of the given logarithm is 1.
Logarithm is an exponent that the base is raised to inorder to get a certain number. There are few rules of logarithm, log a +log b can be written as log ab, log a -log b can be written as log a/b, when the number whose logarithm is calculated has been raised to a power then the power can be multiplied to the log itself. When logarithm is written as log with no mentioned base then the base is 10. The log of a number same as the base is always 1 and the log of 1 is always zero because a nonzero number raised to zero is always 1. We will be using these rules to find the value of the given logarithm.
[tex]log_{9}9[/tex]=1 since [tex]9^{1} =9[/tex]
Therefore we found the value of the given logarithm to be 1.
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Read each question. Then write the letter of the correct answer on your paper.Solve 7 x²+196=0 for x .
(F) pm 4 i√7 (G) pm 4 √7 (H) pm 2 i √7 (I) pm 2√7
The value of x in the equation 7 x² + 196 = 0 will be ± 2 i√7.
We are given the equation as:
7 x² + 196 = 0
We need to solve the equation to find the value of x.
Subtracting 196 from both the sides, we get that:
7 x² + 196 - 196 = 0 - 196
7 x² = - 196
Now divide both the sides by 7, we get that:
7 x² / 7 = - 196 / 7
x² = - 28
Square root both the sides, we get that:
x = √ - 28
Using the properties of complex numbers, we get that:
x = ± 2 i√7
Therefore, we get that, the value of x in the equation 7 x² + 196 = 0 will be ± 2 i√7.
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4. Is it appropriate to use an absolute value inequality to represent how a player wins this game? Why? (2
points: 1 point for an answer, 1 point for an explanation)
Answer: yes, because you can't score negative numbers in a game and the absolute value is really just making all numbers positive unless there is a negative variable outside of the absolute value symbols
Step-by-step explanation: brainliest?
Help please 10 points
For the given statement conclusion it was drawn using the law of syllogism.
Option A is our correct answer
What is the law of syllogism?The Law of Syllogism states that,
If the following two statements are true:
- If p, then q.
- If q, then r.
Then the third statement is true:
- If p, then r.
We have,
p - If you do the unit review, q - you will do well on the test.
q - If you do well on the test, r - then you will do well in the course.
Therefore, p - if you do the unit review, r - then you will do well in the course.
This is in the form of:
- If p, then q.
- If q, then r.
Then the third statement is true:
- If p, then r.
Thus this conclusion was drawn using the law of syllogism.
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A baseball is thrown up in the air. The table shows the heights y( in feet) of the baseball after x seconds. Write and solve an equation to determine how long the ball is above 10 feet. How long is the ball in the air?
According to the solving equation the ball will be in the air for:
5.3 seconds
What is a linear equation in mathematics?A linear equation is an algebraic equation of the form y=mx+b, including only a constant and a first-order (linear) component, where m is the slope and b is the y-intercept. The preceding is sometimes referred to as a "linear equation with two variables," where y and x are the variables.
According to the given data:y = ax2 + bx + c
When:
x = 0 , y = 6
y = a(0)2 + b(0) + c = 6
c = 6
When x = 2, y = 22
a(2)2 + b(2) + 6 = 22
4a + 2b = 16
On dividing the entire equation by 2,
2a + b = 8 → (1)
When x = 4, y = 22
a(4)2 + b(4) + 6 = 22
16a + 4b + 6 = 22
16a + 4b = 16
On dividing the entire equation by 4,
4a + b = 4 → (2)
Subtracting (1) from (2)
2a = -4
a = -2
b = 4 - 4(-2) = 4 + 8
b = 12
y = -2x2 + 12x + 6
y = -2x + 12x + 6
Solve the equation.
On solving using quadratic formula,
x = (-12 ± √(144 - 4*-2*6) ) / -4
x = (-12 ± 13.8564) / -4
x ≈ -0.46 and x ≈ 6.46
The ball is above seconds
-2x2 + 12x + 6 = 10
2x2 - 12x + 4 = 0
On solving the above equation using quadratic formula,
x ≈ 0.354 and x ≈ 5.646
So, the ball is above 10 feet for about,
5.646 - 0.354 = 5.3 seconds
5.3 seconds
According to the solving the ball will be in the air for:
5.3 seconds
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A=1 b= 1/2 what would be the answer to the picture attached
Answer:
B/a
Step-by-step explanation:
Because 1/a is still the same as a to power negative one and so 1/b. 1/a divided by 1/b is b/a
write (4 × 10⁴) + (6 × 10²) in standard form. please help! ASAP!!!!
The standard form of (4 × 10⁴) + (6 × 10²) is 40,600.
Standard Form :Standard form is a way of writing down very large or very small numbers easily.
For finding standard form of the given equation we will solve the equation then whatever answer we will, it will be the standard form.
Let's begin by solving the roots 10 first :
(4 × 10⁴) + (6 × 10²) = (4 × 10 × 10 × 10 × 10) + (6 × 10 × 10)
= (4 × 10000) + (6 × 100)
= 40000 + 600
= 40,600
Hence the standard form of the given equation is 40,600.
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what is (2x+3) + (7x-1)
Answer:
9x + 2
Step-by-step explanation:
(2x + 3) + (7x - 1)
2x + 3 + 7x - 1
9x + 2
I hope this helps!
You have four sweaters, five pairs of pants, and three pairs of shoes. how many different combinations can you make, wearing one of each? explain your answer. a. 4 times 5 3 = 23 b. 4 times 5 = 20 c. 4 times 5 times 3 = 60 d. 4 5 3 = 12
Answer: 60
Step-by-step explanation:
Step 1: In order to find the answer to this question we need to figure out what the total number of combinations we could make.
Step 2: To figure out the total number of combinations multiply each number. 4x5x3= 60.
Step 3 (explanation): The answer is 60, because we are finding out the total combinations for both the sweaters and pants and the shoes.
Set up an inequality for this situation below. Define your variable, but do not solve.
Mr. Bass charges his music students $25 per lesson plus a recital fee of $50. How many lessons can a student take if they pay no more than $175?
Please give an explanation! Need help asap!
The inequality that models the situation is $50 + n*$25 ≤ $175 with that, we can see that the student can take, at most, 5 classes.
How to write the inequality?
Here we know that Mr. Bass chares his students $25 per lesson, plus a fixed fee of $50.
Then if you attend to n of his classes, the total amount that you need to pay is:
$50 + n*$25
If you want to pay no more than $175, then we can write the inequality:
$50 + n*$25 ≤ $175
Now we want to solve that inequality for n.
$50 + n*$25 ≤ $175
n*$25 ≤ $175 - $50
n*$25 ≤ $125
n ≤ $125/$25 = 5
So the student can take, at most, 5 classes.
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Afternselling 328 stickers, John had 857 stickers left. How many stickers did John have at first
Answer:
529
Step-by-step explanation:
Answer: 1185
Step-by-step explanation: add 328 and 857
If scores on the wechsler adult intelligence scale (wais) are normally distributed, with a mean of 100 and a standard deviation of 15, what percentage of scores will fall between 85 and 115
The percentage of scores will fall between 85 and 115 is 68.26%
Given,
Scores on the Wechsler Adult Intelligence Scale (WAIS) are normally distributed with,
Mean = 100
Standard deviation = 15
We have to find the percentage of scores fall between 85 and 115.
That is,
P(85 < X < 115) = \ [tex]P[/tex] [tex](\frac{85-100}{15}[/tex] < [tex]\frac{x-mean}{standard deviation}[/tex] < [tex]\frac{115-100}{15}[/tex][tex])[/tex]
= P(-1 < Z < 1)
= \P(Z < 1) - P(Z < -1)
= 0.8413 - 0.1587
\P(85 < X < 115) = 0.6826
The probability that a person would score between 85 and 115 is 0.6826
And, the percentage of scores will fall between 85 and 115 is 68.26%
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how do we do this question?
The zeros of p(x)=x2-1 is:
1,-1
For each pair of functions, find f(g(x)) and g(f(x)) .
f(x)=3 x, g(x)=x²
A composite function exists as a function that depends on another function. A composite function exists formed when one function exists substituted into another function.
The value of g(3x) = 9x.
What is meant by composition function?In mathematics, function composition exists as an operation ∘ that takes two functions f and g, and has a function h = g ∘ f such that h(x) = g. In this operation, the function g exists used to the result of applying the function f to x.
Function composition is a mathematical procedure where two functions, f, and g, are taken and a function, h = g ∘ f, is produced such that h(x) = g(f(x)). The function g exists used in this operation on the outcome of applying the function f to x.
Let the two functions be f(x) = 3x and g(x) = x²
f(g(x)) = f(x²)
f(x²) = 3x²
simplifying the above equation, we get
g(f(x)) = g(3x)
g(3x) = (3x)²
g(3x) = 9x
Therefore, the value of g(3x) = 9x.
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Shaine has twice as many nickels as dimes and twice as many
dimes as quarters. the total value of these coins is $2.60. how many
of each coin does shaine have?
Shine have 4 Quarters, 8 Dimes, and 16 Nickels coins.
From the given question we get the relationship between Quarters(Q), Dimes(D) and Nickle(N) in the form of ratio i.e.,
Ratio of Dime and Quarters = 2: 1 , and
Ratio of Nickle and Dime = 2:1
Therefore ratio between them,
Q : D : N = 1 : 2 : 4
Let's take Quarters to be x.
So we get the ratio as x:2x :4x
Thus, given that the total value is $2.60.
Therefore
0.25x + 0.2 (2x) + 0.05(4x) = 2.60
0.65x = 2.60
x = 4
Therefore with the ratio we get
Quarters = 4, Dimes = 8, Nickels = 16
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SOMEONE HELP MEEE PLEASEEEEE
Answer:
∠ 10 = 86°
Step-by-step explanation:
∠ 7 and ∠ 10 are same- side interior angles and sum to 180° , that is
∠ 7 + ∠ 10 = 180°
94° + ∠ 10 = 180° ( subtract 94° from both sides )
∠ 10 = 86°
When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11. What is the probability that the next game Andrew bowls, his score will be between 86 and 106, to the nearest thousandth?
When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11 . Then the probability of his score being between 86 and 115 is 0.2047
Mean = μ = 115
SD = σ = 11
Let x1 be the first data point and x2 the second data point
We have to find the z-scores for both data points
x1 = 86
x2 = 106
So,
Z1 = ( x1- mean)/ SD
= 86- 115 / 11
= -29/11
= -2.6363
Z2 = ( x2-mean)/SD
= 106 -115 /11
= -0.8181
And We have to find area to the left of both points then their difference to find the probability.
So, Area to the left of z1 = 0.00427
Area to the left of z2 = 0.20897
Probability to score between 135 and 167 = z2-z1 = 0.20897-0.004270
= 0.2047
Hence,
The probability of his score being between 86 and 115is 0.2047
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Write these values in order, starting with the smallest.
A = 72%
B = 0.6
C = 21/25
D = 0.75
The sum of 4 consecutive numbers odd numbers is 56.
Find the greatest of the 4 numbers.
Write the lower and upper bounds for the following to the given degrees of accuracy. a 64mins (nearest 1 min) c 30m/s (nearest 5m/s) b 20g (nearest 10g) d 7500 (nearest 100mm)
The lower and upper bounds for the following to the given degrees of accuracy are: a- 64 mins (63.5 ≤ 64 < 64.5) c- 30m/s (27.5 ≤ 30 < 32.5) b- 20g (15 ≤ 20 < 25) d-7500mm (7450 ≤ 7500 < 7550)
The upper and lower bounds can be found by dividing the degrees of accuracy by 2 and then subtracting and adding with the value to give the lower and upper bounds respectively.
For a- 64 mins (nearest 1 min)
As the degree of accuracy is to the nearest 1 min;
1 min ÷ 2 = 0.5 min
Upper bound = 64 + 0.5 = 64.5 min
Lower bound = 64 - 0.5 = 63.5 min
For c- 30m/s (nearest 5m/s)
5m/s ÷ 2 = 2.5 m/s
Upper bound = 30 + 2.5 = 32.5 m/s
Lower bound = 30 - 2.5 = 27.5 m/s
For b- 20g (nearest 10g)
10g ÷ 2 = 5
Upper bound = 20 + 5 = 25g
Lower bound = 20 - 5 = 20g
For d- 7500(nearest 100mm)
100mm ÷ 2 = 50mm
Upper bound = 7500 + 50 = 7550mm
Lower bound = 7500 - 50 = 7450mm
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Simplify each trigonometric expression. csc θ / sinθ+cos θcotθ
The simplified form of trigonometric expression, cosec θ / sin θ + cos θ cot θ is 1.
Given,
The trigonometric expression = cosec θ / sin θ + cos θ cot θ
We have to simplify this expression.
For that we can use trigonometric identities.
cosec θ = 1 / sin θ
cot θ = cos θ / sin θ
We can substitute the above given identities in the expression.
Then we get,
cosec θ / sin θ + cos θ cot θ = (1 / sin θ) / (sin θ + cos θ x (cos θ/sin θ))
= (1 / sin θ) / ((sin²θ + cos²θ) / sin θ)
Cancel sin θ from both numerator and denominator.
= 1 / sin² θ + cos² θ
We know that sin² θ + cos² θ = 1
So, we get,
1 / sin² θ + cos² θ = 1 / 1 = 1
Therefore, the simplified form of cosec θ / sin θ + cos θ cot θ is 1.
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A car dealership has $2,700 to spend on newspaper ads. If each ad costs $900, how many ads can the dealership buy?
Answer:
51
Step-by-step explanation:
What would the transformation of f to g be described as?
f(x)=x²-3; g(x) = f(x) + 1
This transformation would be shifted vertically.
What is transformation?A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location.
Given Data
First, we decide which library function most closely resembles the function we are given. Our function has an x² because
We'll make use of the library there.
the formula f (x) = x²
Knowing the library function we'll use presently, we need a set of
The formula h(x) = x²
(4.1)
(9,6)
(16,13)
We know the graph of h (x) will be the same as that of f (x), but pushed upward 2 units since 2 + 2 is of the form y = f (x) + c.
As a result, by taking our points from the graph of f (x) = x 2 and subtracting 3 to each of the y-values, we may generate points on the graph of h (x).
points from the f (x) = x² graph working with.
f(x) g(x)
(4,1) (4,2)
(9,6) (9,7)
(16,13) (16,14)
Thus we have obtained the graph of f(x)=x²-3; g(x) = f(x) + 1
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determine the number of solutions of this equasion. show your work and explain your reasoning. 7x+5=2(4x+3)
Answer:
X = -1
Step-by-step explanation:
1. expand the right side of the equation
8x + 6
7x + 5 = 8x + 6 should look like this
2. minus 7x on both sides
5 = 1x + 6 should look like this
3. minus 6 on both sides
-1 = 1x should look like this
4. divide by 1 from the x on both sides
-1 = x this is the only answer for this equation
re arrange the equation option pls help giving brainliest answers!! :)
[tex]\displaystyle\\Answer:\ C. \ f=\sqrt{\frac{B}{4} }[/tex]
Step-by-step explanation:
A restaurant has the following items on its two-course menu.
List all the possible two-course meals that could be ordered assuming diners must order one meal from each category.
Starters Mains
Garlic bread
Prawns
Soup Chicken
Risotto
The possible two-course meals that could be ordered assuming diners must order one meal from each category are;
Garlic and BreadGarlic and soupGarlic and RisottoPrawns and BreadPrawns and soupPrawns and RisottoChicken and BreadChicken and soupChicken and RisottoWhat are the possible two-course meals that could be ordered assuming diners must order one meal from each category?It follows from the task content that the categories are as indicated below;
Starters Mains
Garlic Bread
Prawns Soup
Chicken Risotto
The condition that diners must order one meal from each category simply leaves the diners with;
3 options for the first course and 3 options for the second.Consequently, the expected number of possible two-course meal combination is; 3 × 3 = 9.
Ultimately, the possible two-course meals that could be ordered assuming diners must order one meal from each category are as listed above.
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What is
Factorise fully x^3-x
Since both terms are perfect squares, factor using the difference of squares formula, ( [tex]a^{2}-b^{2} =(a+b)(a-b)[/tex] )
what is the mean of −26,39,−10,−16,12,31
The mean of of −26,39,−10,−16,12,31 is 5 which is determined by summing up the numbers and dividing by 6
What is the mean?
The mean is the sum of the integers divided by the number of integers therein, in other words, the mean is determined sum , having computed the sum we divide by 6 since there are six numbers in the distribution
sum=-26+39-10-16+12+31
sum=30
mean=sum/n
n=6(there are six numbers)
mean=30/6
mean=5
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