Answer:
C. x is all real numbers.
Step-by-step explanation:
Since the domain is likely infinite, then the domain must be all real numbers so x is all real numbers.
howcome the ans is like this the fomular [n]is outside it must be
[tex] \sqrt[2]{ {x}^{1} } [/tex]
Look at the picture
Step-by-step explanation:
Your expression is technically correct. However, the root notation is by default referring to the square root of the number, and we often neglect it for convenience.
Also for the sake of convenience, we also write x mean we mean x^1.
Let p: A shape is a triangle.
Let q: A shape has four sides.
Which is true if the shape is a rectangle?
O pva
O р а
O p 9
O 9 p
In the equation y=5x-4, what is the value of y when x is greater or equal to 1
Answer:
y ≥1
Step-by-step explanation:
y=5x-4
Let x ≥ 1
y ≥ 5(1)-4
y ≥ 5-4
y ≥ 1
Answer:
[tex]herey = 5x - 4 \\ \\ given \: that \: x \geqslant 1 \\ so \: y \geqslant 5 \times 1 - 4 \\ y \geqslant 1 \\ thank \: you[/tex]
PLSSSSSSSSSSSSSSSSs Help me i have to send this to my math teacher before yk back to school starts
Q/ True or False
4. Ans ; False —> because
[tex] \frac{2 \times 3.5}{3 \times 3.5} = \frac{7}{10.5} [/tex]
Or; 2/3= 0.6 , 7/16= 0.43 so no equal
5. True —> because
[tex] \frac{5 \times 9.6}{15 \times 9.6} = \frac{48}{144} [/tex]
Or; 5/15=0.33 , 48/144 = 0.33 so equal
6. True —> because
[tex] \frac{12 \times 1.5}{28 \times 1.5} = \frac{18}{42} [/tex]
Or; 12/28=0.4285 , 18/42=0.4285 so equal
Q/ value " x "
7. Ans;
[tex] \frac{3}{6} = \frac{x}{8} \\ 6x = 8 \times 3 \\ 6x = 24 \\ x = \frac{24}{6} \\ x = 4[/tex]
8. Ans;
[tex] \frac{52}{x} = \frac{4}{1} \\ 4x = 52 \\ x = \frac{52}{4} \\ x = 13[/tex]
9. Ans;
[tex] \frac{15}{12} = \frac{10}{x} \\ 15x = 10 \times 12 \\ 15x = 120 \\ x = \frac{120}{15} \\ x = 8[/tex]
10. Ans;
[tex] \frac{18}{x} = \frac{2.4}{28} \\ 2.4x = 28 \times 18 \\ 2.4x = 504 \\ x = \frac{504}{2.4} \\ x = 210[/tex]
11.Ans;
[tex] \frac{3}{4} = \frac{x}{3.8} \\ 4x = 3.8 \times 3 \\ 4x = 11.4 \\ x = \frac{11.4}{4} \\ x = 2.85[/tex]
12. Ans;
[tex] \frac{x}{12} = \frac{2 \frac{1}{3} }{5} \\ \frac{x}{12} = \frac{ \frac{7}{3} }{5} \\ \\ \frac{x}{12} = \frac{7}{3} \div 5 \\ \\ \frac{x}{12} = \frac{7}{3} \times \frac{1}{5} \\ \\ \frac{x}{12} = \frac{7}{15} \\ \\ 15x = 12 \times 7 \\ 15x = 84 \\ \\ x = \frac{84}{15} \\ \\ x = 5.6[/tex]
Q/ Write each ratio
1.Ans;
[tex] \frac{30 \: ft}{60 \: ft} = \frac{30 \: ft \: \: \div 30}{60 \: ft \: \: \div 30} = \frac{1 \: ft}{2 \: ft} [/tex]
2. Ans;
[tex] \frac{45 \: mph}{25 \: mph} = \frac{45 \: mph \: \div }{25 \: mph \div 5} = \frac{4 \: mph}{5 \: mph} [/tex]
3. Ans;
[tex] \frac{6 \: min}{16 \: min} = \frac{6 \: min \: \div2 }{16 \: min \: \div 2} = \frac{3 \: min}{8 \: min} [/tex]
4. Ans;
[tex] \frac{300}{450} = \frac{300 \div 150}{450 \div 150} = \frac{2}{3} [/tex]
5. Ans;
[tex] \frac{48 \: gal}{14 \: min} = \frac{48 \: gal \div 2}{14 \: min \div 2} = \frac{24 \: gal}{7 \: min} [/tex]
6. Ans;
[tex] \frac{21 \: fem}{61 \:mal } = \frac{21 \: fem \div 3}{51 \:mal \div 3} = \frac{7 \: fem}{17 \: mal} [/tex]
7. Ans;
[tex] \frac{4.2}{36} = \frac{4.2 \div 12}{36 \div 12 \: pot} = \frac{0.35}{3 \: pot} [/tex]
8. Ans;
[tex] \frac{72 \: correct}{96 \: questions} = \frac{72 \: correct \div 24}{96 \: questions \div 24} = \frac{3 \: correct}{4 \: questions} [/tex]
Q/Find the unit rate
9.Ans;
[tex] \frac{1500 \: m}{6 \: s} = \frac{250 \: m}{1 \: s} [/tex]
10. Ans;
[tex] \frac{192 \: mil}{6 \: gal} = \frac{32 \: min}{1gal} [/tex]
11. Ans;
[tex] \frac{20 \: people}{5 \: cars} = \frac{4 \: people}{1 \: cars}[/tex]
12.Ans;
[tex] \frac{36}{4 \: lbs} = \frac{9}{1 \: lbs} [/tex]
I hope I helped you^_^
determine b so that the line with equation 5x + by - 6 = 0 is perprdicular to the line with equation 7y = 4x + 7
9514 1404 393
Answer:
b = 20/7
Step-by-step explanation:
The slope of the first line can be found by solving for y:
by = -5x +6 . . . . . . add 6-5x
y = -5/b +6/b . . . . . divide by b
The slope is -5/b.
The slope of the second line can be found by solving for y:
7y = 4x +7
y = 4/7x +1 . . . . . . divide by 7
The slope is 4/7.
For the lines to be perpendicular, the product of these slopes must be -1:
(-5/b)(4/7) = -1
-20/(7b) = -1 . . . . simplify
b = 20/7 . . . . . . . multiply by -b
The lines will be perpendicular when b = 20/7.
Pls help I’ll give you 35 points Sina's goal is to exercise a
mean of 45 minutes per
day for one week. She
exercised 35, 40, 37, 42,
45, and 50 minutes for six
days. How many minutes
must she exercise on the
seventh day in order to
reach her goal exactly?
Answer:
26 minutes
Step-by-step explanation:
Since the mean is the average of all the number, we need to reach a total of 315 minutes for the entire week.
[tex]35+40+37+42+45+50=\\75+40+37+42+45+50=\\115+37+42+45+50=\\152+42+45+50=\\194+45+50=\\239+50=\\289[/tex]
Since 315 - 289 = 26, she needs to exercise for 26 minutes on the 7th day in order to reach her goal.
Answer:
26 minutesStep-by-step explanation:
Let; x be the minutes exercised on the seventh day .30 + 40 + 37 + 42 + 45 + 50 + x ÷ 6 = 45244 + x ÷ 6 = 45Now; the least common multiple is 6 So; multiplying 6 with both sides.6 * 244 + x ÷ 6 = 45 *6244 + x = 270Making x the subjectx = 270 - 244x = 26Therefore Sina must exercise for 26 minutes on the seventh day in order to reach her goal exactly.Note:Mean is given by adding of numbers given divided by the number of numbers .Example.Find the mean of 2,4,3so;we have 3 numbersadding numbers = 2 + 4 + 3÷3 = 9÷3 = 3 therefore the mean is 3 .So; with your question the mean is already given but left with one digit which is the 26 .Hence,you have to represent it by a variable and equate it to the mean given.with change of subject and further calculation , you will get the result which is the 26 minutesc. What was the typical score on the multiple-choice?
This question is statistical because_____
Answer:
it varies between different situations
Step-by-step explanation:
the person could be very lazy and just dot down whatever they feel like or could take their time with the assignment an get a fairly god grade. on a four choice yes the typical score would be 70 and for a two choice test It would be around 50 depending on the amount of questions and whether the "Jimmy" gives a d4mn :)
How do you find the GCF of each?
Find the lowest terms
fraction that's equal
to 0.33.
33/100
Step-by-step explanation:
we turned the number into a fraction
Help!! (Edgar's midterm have two screenshot's)
Answer:
Step-by-step explanation:
2)
80 +67 +97+ 98 +85 +72 = 499
499/6=83.1666666667
Average: 83.1666666667
3)
a) 97 93 92 90 90 90 86 =90
median of Edgars grades for his midterm is 90
99 93 93 89 88 88 86
median of Edgars grades for his trimester is 89
7)
(z+9+18)= z+27 (remember don't mix the numbers if they are attached to the x)
(z+18+9)= z+27 (because adding is both ways the same)
a) a + b =b + a
Geometry
1.
a) 6x^2
b)The surface area of a cube = 6a^2 where a is the length of the side of each edge of the cube. Put another way, since all sides of a cube are equal, x is just the length of one side of a cube
c) The unit would be sq(squared) feet
-15=5(3q-10)-5q
Solve the equation
Answer:
q = 3.5
Step-by-step explanation:
Start by distributing the 5
-15 = 15q - 50 - 5q
Combine like terms
-15 = 10q - 50
Add 50 to both sides
35 = 10q
Divide by 10 to isolate q
35/10 = q
q = 3.5
Answer:
q=3.5 or 4
Step-by-step explanation:
-15=5(3q-10)-5q
-5=15q-50-5q
-15+50=15q-5q
35=10q
Divide both sides by 10.
35÷10=10q÷10
3.5=q
Therefore,q= 3.5
Round up=4
.
NUMBER SENSE Determine which number is greater and which number is farther from 0.
-3.25,
7
#2 i
The greater number is 7
The number farther from O is
Explain your reasoning.
B
1
U
!!!
T
T.
Step-by-step explanation:
Ok...so yes the greater number is 7 but 7 is also the number farther from zero because when the positives and negatives are ignored, it takes 7 unit spaces to get to 7 whereas it only take 3.25 to get to the negative, making 7 farther from 0 than -3.25.
Answer:
This is wrong .
Step-by-step explanation:
Answer these if possible please ASAP
Answer:
1. it's the same denominator
2. 12/9 = 4/3
Find the area and perimeter.
Hint: The height of a non-right triangle is the length of the segment of a line that is perpendicular to the base and that contains the opposite vertex.
A. 6x + 36; 10x + 3
B. 12x + 72; 10x + 3
C. 12x + 72; 3x + 10
D. 6x + 36; 3x + 10
Step-by-step explanation:
Perimeter = 12 + x + 6 + 2x + 5
Perimeter = 3x + 23.
Area = ½ × b × h
Area = ½ × 12 × (x + 6)
Area = 6(x + 6)
Area = 6x + 36
Find the product and simplify.
(k⁵) (7k)
Answer:
7k^6
Step-by-step explanation:
HELP DUE in 10 Minutes!!
Solve for x.
-5( -x - 4) - 3x - 5 = 13
Step-by-step explanation:
5x +20 -3x -5 = 13
2x + 15 = 13
2x = -2
× = -1
Answer:
-1Step-by-step explanation:
-5(-x - 4) - 3x - 5 = 135x + 20 -3x - 5 = 132x + 15 = 132x = 13 - 152x ÷ 2 = -2 ÷ 2x = -1[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]
please help. answer and explain:
(-2 x^3 y^4)((-3) x^4 y^4)
Step-by-step explanation:
multiplied exponents are added.
like x² × x³ = x⁵
so, up there we have
(-2x³y⁴)(-3x⁴y⁴).
as all operations (except for the exponents) are simms multiplications, this results in one longer expression.
(-2)x³y⁴(-3)x⁴y⁴.
we can unite terms of the same base unit.
-2 × -3 = 6
x³x⁴ = x⁷
y⁴y⁴ = y⁸
so, we get
6x⁷y⁸
60 pt. to the person who answers this correctly with an explanation.
-all my digits are different
-my ones digit is 4 times my hundreds digit
- my thousands digit is a perfect square
-my ones digit is 3 more than my tens digit
what number am I?
Answer:
4132 I think
Step-by-step explanation:
icorrect me if I'm wrong lol
find the missing side of each triangle. leave your answers in simplest radical form.
9 cm cm cm cm cm cm cm cm cm cm cm cm cm
Answer:
[tex]x = \sqrt{11}[/tex]
Step-by-step explanation:
[tex]a^{2} +b^{2} =c^{2} \\\\\sqrt{6} ^{2} +\sqrt{5} ^{2} =c^{2} \\\\6 + 5 = c^{2} \\\\11 = c^{2} \\\\\sqrt{11} = c[/tex]
solve the following equation.
(3y - 2)/3 + (2y + 3)/2 = y + 7/6
5. lan is 5 years older than Craig. If the sum of their ages is 45, find both
their ages. Be sure to create an equation then solve. *
Answer: Ian is 25 and craig is 20
Step-by-step explanation:
(45 - 5) /2 +5 to one of them
Answer:
Craig is 20 and Ian is 25 years old.
Step-by-step explanation:
I = Ian
C = Craig
I = C + 5
45 = C + I
45 = C + C + 5
45 - 5 = C + C
40 = 2C
C = 20
I = 20 + 5
Craig is 20 and Ian is 25.
Please help me out lol
Answer:
28
Step-by-step explanation:
2(9)+5(2)
18+10
28
Boom.
[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]
Evaluate 2y + 5z, if y = 9 & z = 2.[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]
Given,
y = 9z = 2Now, let's substitute these values in the given expression.
[tex] \sf2y + 5z \\ \sf \rightarrow2(9) + 5(2) \\\sf \rightarrow( 2 \times 9) +( 5 \times 2) \\\sf \rightarrow 18 + 10 \\ = \boxed{ \boxed{ \bf28}}[/tex]
So, the 3rd option ⇨ 28 is the correct answer. (✓)To take a taxi, it costs $3.00 plus an additional $2.00 per mile traveled. You spend $20 on the taxi. How many miles did you go?
Answer: 8.5 miles
Step-by-step explanation:
Given information
Base fee = $3.00
Fee per mile = $2.00
Distance = x
Total money spend = $20
Set equation
3 + 2x = 20
Subtract 3 on both sides
3 + 2x - 3 = 20 - 3
2x = 17
Divide 2 on both sides
2x / 2 = 17 / 2
[tex]\boxed{x=8.5}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
How do you know which direction to move on a number line when adding integers?
Step-by-step explanation:
To add integers on the number line, you move forward, and you face right (the positive direction) when you add a positive number. As with positive numbers, to add negative integers on the number line, you move forward, but you face left (the negative direction) when you add a negative number.
So I have this equation after solving a question:
-a = 6
So my question is that will the minus at the position of a move to 6 turning it into -6?
Answer: any number or variable adding or subtracting when moved to the other side of the equal sign changes sign. Also you can change all the signs in both sides of the equation. so -a = 6 is the same as a = -6 or -6 = a.
Step-by-step explanation:
The largest theater has 42 rows.There are 14 seats in the first row.Each row has 4 seats more than the previous row.how many total are there in this theater?
Answer:
41 x 18 = 738 + 14 = 752
Step-by-step explanation:
Its says that there 42 rows .First row has 14 seats and the rest of 41 rows has with + 4 more so every row has 18 seats ,and asks how many seats are in total in the theater . To show that you understood the question you have to multiply 41x18 which gives 738 and then add + 14 from the first row so you can find out how many seats are in total .Hope that helps .
Find the distance between (0,2) and (-2,-5)
(if you could show your work thatd be great!{
Answer:
Use the distance formula to determine the distance between two points.
Exact Form:
√53
Decimal Form:
7.28010988
i am unable to show graph, sorry
help please
.....................
Answer:
f(-5) = 22
Step-by-step explanation:
All we do is substitute x = -5 into the function.
= -3(-5) + 7
= 15 + 7
= 22
Best of Luck!
Answer:
Its A
Step-by-step explanation:
PLEASE HELP What number should be placed in the box to help complete the division calculation?
Explanation:
Note the 2 in the 32 up top. This 2 will multiply with the 13 on the far left side to get 2*13 = 26 which goes in the box under the 331. Specifically, the 26 goes under the 33 and the 1 is carried down after the subtraction.
Answer: 325 6/13 or 325 R 6
Step-by-step explanation:
https://www.calculatorsoup.com/calculators/math/longdivision.php
10. Dan explained that the middle tower is always the same number as the step number. He
also pointed out that the two arms on each side of the tower contain one less block than
the step number
Create an equation that fits Dan's way of seeing the relationship.
11. Sarah counted the number of tiles at each step and made a table. She explained that the
number of tiles in each figure was always 3 times the step number minus 2.
step
number
1
2
3
4
5
6
number
of tiles
1
4
10
13
16
Create an equation that fits Sarah's way of seeing the relationship.
The given pattern is an illustration of a linear equation. The students' equations are:
Dan's: [tex]n = s + 2(s - 1)[/tex].Sally's: [tex]n = 3s - 2[/tex]Given that:
[tex]n \to[/tex] number of tiles
[tex]s\to[/tex] step number
See attachment for the pattern, that is being analyzed by the students.
Dan
For each step, the number of tower is the same as the step number.
This means that:
[tex]n \to s[/tex]
2 arms contain one less block means: 2 x (s - 1) blocks for both arms.
So, Dan's equation is::
[tex]n = s + 2 \times (s - 1)[/tex]
[tex]n = s + 2(s - 1)[/tex]
Sally
First, we calculate the slope (m) of the table
[tex]m = \frac{n_2 - n_1}{s_2 - s_1}[/tex]
So, we have:
[tex]m = \frac{4-1}{2-1}[/tex]
[tex]m = \frac{3}{1}[/tex]
[tex]m =3[/tex]
The equation is then calculated using:
[tex]n = m(s - s_1) + n_1[/tex]
This gives:
[tex]n = 3(s - 1) + 1[/tex]
Open bracket
[tex]n = 3s - 3 +1[/tex]
[tex]n = 3s - 2[/tex]
Hence;
Dan's equation is: [tex]n = s + 2(s - 1)[/tex]
Sally's equation is: [tex]n = 3s - 2[/tex]
Read more about linear equations at:
https://brainly.com/question/19770987