Answer:
480
Step-by-step explanation:
Zeke is redoing the floor in his kitchen.the floor has a width of 7 feet and an area of 98 square feet. What is the length of Zeke’s kitchen floor
The length of the floor is obtained as 14 feet.
What is a rectangle?A rectangle is a type of parallelogram having equal diagonals.
All the interior angles of a rectangle are equal to the right angle.
The diagonals of a rectangle do not bisect each other.
The kitchen floor can be considered as a rectangle.
The width is given as 7 feet.
Suppose the length of floor be x feet.
Since, the area of a rectangle is the product of length and width, the following equation can be written for the given case,
7x = 98
=> x = 98/7
= 14
Hence, the length of the kitchen's floor is found to be 14 feet.
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Find the slope of the line that contains the following pair
of points:
(-4, 1) and (2, 5).
Answer:
[tex]\displaystyle m = \frac{2}{3}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Slope Formula: [tex]\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]Step-by-step explanation:
Step 1: Define
Identify.
Point (-4, 1)
Point (2, 5)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m.
Substitute in variables [Slope Formula]: [tex]\displaystyle m = \frac{5 - 1}{2 + 4}[/tex][Order of Operations] Add/Subtract: [tex]\displaystyle m = \frac{4}{6}[/tex]Simplify: [tex]\displaystyle m = \frac{2}{3}[/tex]-12 exponent-2 equals please help me find
Step-by-step explanation:
[tex] = { (- 12)}^{ - 2} [/tex]
[tex] = \frac{1}{ {( - 12)}^{2} } [/tex]
[tex] = \frac{1}{ {12}^{2} } \: or \: \frac{1}{144} [/tex]
1. Is the relation on the right a function? Explain.
2. Can you state the domain and range of a relation that is not a function? If yes, what is the
domain and range of the relation on the right?
Answer:
Step-by-step explanation:
A relation is a function if every input has exactly one output. The domain and range of a relation that is not a function can have multiple outputs for a single input.
1. A relation is considered a function if every input has exactly one output. To determine if the relation on the right is a function, we can examine the x-values and see if any are repeated. If there are no repeated x-values, then it is a function. If there are repeated x-values, then it is not a function.
2. A relation that is not a function can have multiple outputs for a single input. The domain of a relation refers to the set of all possible input values, while the range refers to the set of all possible output values. Without the relation provided, it is not possible to state the specific domain and range.
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PLEASE HELP ME ILL MARK BRAINLIEST !!!!! spam reported
Answer:
-3
Step-by-step explanation:
help me please!!!!!!!!!!
-7.21 < - 7.18 < -7.09 < 6.99 < 7.15
Step-by-step explanation:
-7.21
-7.18
-7.09
6.99
7.15
what number is 25% of $115
For the functions f(x)=−7x2−x and g(x)=9x2−4x, find (f−g)(x) and (f−g)(1).
Step-by-step explanation:
f(x) = -7x² - x
g(x) = 9x² - 4x
(f - g)(x) = (-7x² - x) - (9x² - 4x)
(f - g)(x) = (-7x² - 9x²) + (-x + 4x)
(f - g)(x) = -16x² + 3x
(f - g)(1) = -16(1)² + 3(1)
(f - g)(1) = -16.1 + 3
(f - g)(1) = -16 + 3
(f - g)(1) = -13
₹7.50 into paise please help me
Answer:
750 paise
Step-by-step explanation:
just remove the decimal!
James is making a scale model of his bedroom. The model is
0.6 feet wide. If the actual room is 17.5 times as wide as the
model, what is the width of James's room?
A 18.1 feet
(B) 17.11 feet
© 16.9 feet
D 10.5 feet
Answer:
D
Step-by-step explanation:
0.6x17.5 which is 10.5
tha distance y that cam swims in x minutes is a proportional relationship. the data from his most recent swims are shown in the table. Brittney calculates that she swims 51.3 meters per minutes. Who is the lower swimmers?
Step-by-step explanation:
Do not know sorry
........ M
I need help with this question. This is my first time using this app so I don’t know how to include multiple images in one message.
Answer:
100
Step-by-step explanation:
you see im very smart
Each day David drives to work in the moming, returns home for lunch, drives back to work, and then goes to a gym to exercise before he returns home for the evening. Draw a reasonable graph to show the distance David is from his home for a two-day period
Answer:
9 Km a su casa
Step-by-step explanation:
0j
If f(x)= [tex]\sqrt{x^2-4}[/tex] and g(x)=3x-2, then the derivative of f(g(x)) at x=3 is
Answer:
[tex]\displaystyle \frac{d}{dx}\Big|_{x=3} & = \frac{9(3)-6}{\sqrt{(3(3)-2)^2-4}} = \frac{7\sqrt{5}}{5}[/tex]
Step-by-step explanation:
We are given the two functions:
[tex]\displaystyle f(x) = \sqrt{x^2 -4} \text{ and } g(x) = 3x-2[/tex]
And we want to find:
[tex]\displaystyle \frac{d}{dx}\left[f(g(x))\right] \text{ at } x = 3[/tex]
Recall that from the chain rule:
[tex]\displaystyle \frac{d}{dx}\left[ f(g(x))\right] = f'(g(x)) \cdot g'(x)[/tex]
Hence, find both f'(x) and g'(x).
The derivative of f(x) can be determined using the chain rule:
[tex]\displaystyle \begin{aligned} f'(x) &= \frac{d}{dx}\left[ \sqrt{x^2-4}\right]\\ \\ & = \frac{1}{2\sqrt{(x^2-4)}}\cdot \frac{d}{dx}\left[x^2-4\right] \\ \\ & = \frac{x}{\sqrt{x^2-4}} \end{aligned}[/tex]
Because g(x) is simply a linear function, its derivative will be the slope of the linear function at any point. That is:
[tex]\displaystyle g'(x) = 3[/tex]
Hence:
[tex]\displaystyle \begin{aligned} \frac{d}{dx}\left[f(g(x))\right] & = \frac{(g(x))}{\sqrt{(g(x))^2-4}} \cdot (3) \\ \\ & = \frac{9x-6}{\sqrt{(3x-2)^2-4}} \end{aligned}[/tex]
Then at the point x = 3, the derivative is:
[tex]\displaystyle \frac{d}{dx}\Big|_{x=3} & = \frac{9(3)-6}{\sqrt{(3(3)-2)^2-4}} = \frac{7\sqrt{5}}{5}[/tex]
Ruben receives a weekly allowance. Each week, he spends $5 on candy and saves $7 for
college. He donates the remaining $2 to a children's hospital.
How much is Ruben's weekly allowance?
Answer: $14
Step-by-step explanation:
We know that Ruben spends $5 on candy, and saves $7 for college. If we add these together we get 12. Remaining: $2, which he donates to a children’s hospital. So 7+5+2=14, so Ruben has a weekly allowance of $14.
what is 10/7 divided by 4
Answer:
0.3
Step-by-step explanation:
Answer:
5/14Step-by-step explanation:
what is 10/7 divided by 4
10/7 : 4 =
10/7 * 1/4 =
5/14
l=[tex]\lim_{x \to \0} x^{sin x}[/tex]
By applying the exponential and logarithmic functions, we have
[tex]x^{\sin(x)} = \exp \left(\ln \left(x^{\sin(x)}\right)\right)[/tex]
Then in the limit,
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \lim_{x\to0} \exp \left(\ln \left(x^{\sin(x)}\right)\right)[/tex]
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \exp \left( \lim_{x\to0} \ln \left(x^{\sin(x)}\right)\right)[/tex]
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \exp \left( \lim_{x\to0} \sin(x) \ln(x) \right)[/tex]
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \exp \left( \lim_{x\to0} \frac{\ln(x)}{\csc(x)} \right)[/tex]
As x approaches 0 (from the right), both ln(x) and csc(x) approach infinity (ignoring sign). Applying L'Hopitâl's rule gives
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \exp \left( \lim_{x\to0} \frac{\frac1x}{-\csc(x)\cot(x)} \right) = \exp \left( -\lim_{x\to0} \frac{\sin^2(x)}{x\cos(x)} \right)[/tex]
Recall that
[tex]\displaystyle \lim_{x\to0} \frac{\sin(x)}{x} = 1[/tex]
Then
[tex]\displaystyle \lim_{x\to0} \frac{\sin^2(x)}{x\cos(x)} = \lim_{x\to0} \frac{\sin(x)}{\cos(x)} = \lim_{x\to0} \tan(x) = 0[/tex]
So, our limit is
[tex]\displaystyle \lim_{x\to0} x^{\sin(x)} = \exp(0) = \boxed{1}[/tex]
Plz help I need help
Answer:
x=31.5
Step-by-step explanation:
10. Two-sixths of the marbles are red. If there are 8 more blue marbles than red marbles, how many marbles are there in all? A. 20
B. 22
C. 24
D. 26
pls answer it I need it rn♥
Answer:
The Answer is Option C. 24
Explanation:
Red Marbles = [tex] \frac{2}{6} \times 24 = 8[/tex]
Blue Marble = (Red Marbles [tex] + 8[/tex])
Total Marbles = (Red Marbles+Blue Marbles) =[tex](8 + 16)[/tex] [tex] = 24[/tex]
Given A = {x ∈ ℤ : 4|x} and B = {x ∈ ℤ : 2|x}. Prove A ⊆ B.
Let a ∈ A. Then a is some integer that is divisible by 4, so we can write a = 4k for some integer k.
We can simultaneously rewrite a as a = 2•2k, so 2 clearly divides a, which means a ∈ B as well.
Therefore A ⊆ B.
Convert 35 miles per gallon to kilometers per liter.
Answer:
14.88 kilometers per liter.
Step-by-step explanation:
^
Which of the following is a one to one function ???
How many 3/4 can fit into 3?
Answer:
3
Step-by-step explanation:
Solve the equation. -12=2/3x+6
Answer: it should be -27
Step-by-step explanation:
Solve by graphing
PLEASE HELP
Answer:
DX wonder if if you want to come over and watch the way to the way to the way to the way to the way to the way to work I you you you can send me the way to the way to the way to the way to the way to the way home now I will be more than enough for me for all of us her
shara spent $44 dollars on 4 new t-shirts. if each t-shirt is the same price how much did each shirt cost?
A salesperson receives a commission of $120. He earns 4% commission of his total sales.
What is this salesperson's total amount of sales?
the answer is 3,000
4% × 25 = 100%
$120 × 25 = $3000
In Isaac's closet, the ratio of short-sleeve to long-sleeve shirts is 5:2.
If Isaac has 30 short-sleeved shirts, how many long-sleeved shirts does he have?
Answer:
12 long sleeved
Step-by-step explanation:
30 / 5 = 6
6 x 2 = 12
Answer:
12
Step-by-step explanation:
The 5 part of the ratio relates to 30 short- sleeved shirts.
Divide by 5 to find the value of 1 part of the ratio
30 ÷ 5 = 6 ← value of 1 part , then
2 parts = 2 × 6 = 12 ← long- sleeved shirts
Suppose $50,000 is divided into two bank accounts. one account pays 4% simple interest per year and the other pays 6.4%. after five years there is a total of $12,000 in interest between the two accounts. how much was invested into the bank account that pays 6.4% simple interest (rounded to the nearest cent)?
Answer:
$33333.33
Step-by-step explanation:
Suppose x invested into the bank account that pays 4% simple Interest
5x4%x+5x6.4%(50000)= 12000 { The interest due is equal to interest}
4x+6.4x50000-6.4x=240000
2.4x=80000
x=33333.33
y = 4x + 3 in standard form (NO LINKS,will give brainliest)
Answer:
4x−y=−3
Step-by-step explanation:
The standard form of a linear equation is Ax+By=C
Rewrite the equation with the sides flipped.
4x+3=y
Move all terms containing variables to the left side of the equation.
Subtract y from both sides of the equation.
4x+3−y=0
Move 3
4x−y+3=0
Subtract 3 from both sides of the equation.
4x−y=−3
Answer:
4x - y = -3
Step-by-step explanation:
Rearrange the equation.
y = 4x + 3
0 = 4x +3 - y
-3 = 4x - y