Answer:
Step-by-step explanation:
-8x + 2y = 4
y = 4x + 2
Put the value of y into the first equation
-8x + 2(4x + 2) = 4 Remove the brackets
-8x + 8x + 4 = 4 The 8xs cancel out.
4 = 4 But this is useless. There is no single solution
Calculate the circumference of a circle whose radius is 7.2 Cm (Idek I just woke up lol)
I NEED HELP ASAP!!!
Solve for x and AB. Please just type the answer. If it is not a whole number, please put it in decimal form.
Answer:
l don't understand please explain ppppppppp
the square of a negative number increased by 6 times the number is 72. Find the number.
Answer:
y = 6
Step-by-step explanation:
(y + 6) × y = 72
y = negative number²
When negative numbers are squared they become positive.
y = 6
Check
(6 + 6) × 6 = 72
12 × 6 = 72
What is the answer to this please help
Answer:
A = 140
Step-by-step explanation:
Area of a triangle:
A = 1/2bh
Given:
b = 20
h = 14
Work:
A = 1/2bh
A = 1/2(20)(14)
A = 10(14)
A = 140
up
Write an equation for the translation of x2 + y2 = 49 by 3 units left and 4 units
O(x + 3)2 + (y + 4)2 = 49
O(x + 3)2 + (y – 4)2 = 49
O(x – 3)2 + (y – 4)2 = 49
O(x – 3)2 + (y + 4)2 = 49
Answer: (x+3)^2+(y-4)^2=49
The answer is b :)
Step-by-step explanation:
Solve for x and show your work! For each equation choose if there are:
• zero solutions for x • exactly one solution for x • or an infinite number of solutions for x.
3x + 5 = 7 + 3x
2(3x + 9) = 18 + 6x
what is the geometric mean between 7 and 12
Answer:
Geometric Mean = 9.17
Step-by-step explanation:
Here,
a = 7
b = 12
Geometric mean = root(ab)
= root( 7 x 12)
= root(84)
= 9.17
7 students drew were 6, 4, 5, 7, and 8. What is the mean height of the triangles?
Answer:6
Step-by-step explanation: for mean you add up the heights and divide it by the amount of numbers there are
1. The emblem on a college banner consists of the face of a tiger
inside a right triangle. The lengths of two sides of the triangle are
13 centimeters and 14 cm.
What is the length of the longest side of the right triangle?
It is 15 cm I have the answer on my homework
Please Help me out I just need the answers and pls make sure they are right idrc for an explantion
1. 215.10
2. 57.60
3. 16.11
4. 8.24
5. 89.40
6. 149.10
7. 476
8. 48
9. 59.50
10. 13.49
What is the slope of the line through ( 10, 1) and (0,4)?
khan Academy
Answer:
-1/2
Step-by-step explanation:
[tex]y^{2} = -4 \\y^{1} =-1\\x^{2} = 0\\x^{1} = -10[/tex]
Using the formula [tex]\frac{y^{2}-y^{1} }{x^{2}-x^{1} }[/tex]
[tex]\frac{-4-1}{0-(-10)}[/tex]
Simplifly
[tex]\frac{-5}{10} = \frac{-1}{2}[/tex]
AYO HELP ME SHAWTY PLEASE THANKS IG OR SUM WHATEVER
Answer:
the answer is D undefined slope
Answer:
UNDEFINED SLOPE
Step-by-step explanation:
mark brainliest if u want
10th term of 4, 7, 10, 13........ (Please enter number only)
Hint
Use a+(n-1)d
Answer:
31
Step-by-step explanation:
a + (n-1)d where a = first term; n = which number we want; d = common difference.
=> 4 + (10 - 1)3
=> 4 + (9)*3
=> 4 + 27
=> 31
Ashleys Shoe Store buys shoes for $35 and then sells them for
$85.
What is the percent of increase on the price of the shoes?
Round to the nearest whole number
Step-by-step explanation:
% Increase = ((New value - Old Value) / Old Value) * 100
Given New value = $85
and Old Value = $35
% Increase =
[tex] (\frac{85 - 35}{35} ) \times 100 \\ = ( \frac{50}{35} ) \times 100 \\ = 143percent(nearest \: whole \: number)[/tex]
In Exercises 10 and 11, the polygons are similar. Find the value of x.
Answer:
10) x/6 = 4/8
8x = 6 x 4 = 24
x = 3
11) x/15 = 12/8
8x = 15 x 12 = 180
x = 22.5
the volume in cm³, of a cube of edge is 3cm is
Answer:
27 cm^3
Step-by-step explanation:
edge of cube = a = 3cm
Volume of cube = a^3 = 3^3= 3×3×3 = 27 cm^3
sorry if im wrong plz dont report
(hope this helps can i plz have brainlist :D hehe)
A line has a slope of 0 and passes through the point (-4, 3). What is its equation in slope-intercept form.
Answer:
y = 3
Step-by-step explanation:
We already know the slope, all we need to do is find the y-intercept.
You have to plug the coordinates into the equation, y = 0x + b
y = 0x + b
3 = 0(-4) +b
3 = 0 + b
3 = b
The equation is y = 3
Given f(x) = x^4 -3x^3 +10x^2 -9x +1. Is (x-2) a factor? Is x=-3 a zero? Find f(-1) show all work.
Step-by-step explanation:
(x-2) is not a factor
x = -3 is not a zero
Please mark my answer as the brainliest for further answers :)
Which expression is a factor of 9x^2-4x+1 ( ps ^2 is an exponent)
Answer:
The discriminant b2−4ac < 0, the equation has no real number solutions, it has complex solutions
Step-by-step explanation:
9x² - 4x + 1 = 0 ax² + bx + c = 0
The discriminant: b² - 4ac = (-4)² - 4*9*1 = 16 - 36 = -20
b2−4ac < 0, the equation has no real number solutions, it has complex solutions
Confused on this one help me solve for point B
Answer:
1,-1
Step-by-step explanation:
because section be is for +,-
Answer:
1,-1
Step-by-step explanation:
Need help asap!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
i dont get this at all pls help
Answer:
its B i think
What fraction does point S represent?
Answer:
C
Step-by-step explanation:
So what you gotta do is count the lines. You don't count the one with one on it, but you count all the way through to 2. That gets you eight, so each line is 1/8. 1-2 in 1/8 intervals. 1 1/4 multiply 2 on the numerator and denominator gets 1 2/8, 1 1/2 multiply 4 on the numerator and denominator gets you 1 4/8. Counting the lines, each of those matches up. The first interval is 1 1/8.
What are the zeros for 3x^2 - 17x = -10? Below, you need to choose the correct factors and the correct zeros.
Answer:
Step-by-step explanation:
3x²-17x=-10
3x²-17x+10=0
3x²-2x-15x+10=0
x(3x-2)-5(3x-2)=0
(3x-2)(x-5)=0
3x-2=0,x=2/3
x-5=0,x=5
What is the length of leg s of the triangle below? A. 2.2 B. 4 C. 32 D. 4 E. 1.5 F. 16
Answer:
s = 4
Step-by-step explanation:
Note that the triangle has 2 congruent base angles, both 45°
This means the triangle is isosceles with congruent legs, then
s = 4
Answer:4
Step-by-step explanation:
Hello :”) how to do 5(a)?
Answer:
[tex] f'(x) = \frac{sin( \frac{1}{x}) }{ {x}^{2} } [/tex]
Step-by-step explanation:
Please see the attached picture for the full solution.
• Differentiate cosine
• Then multiply it with the derivative of the term inside the bracket
Can Someone help me with this problem?
Answer:
6x + 6
Step-by-step explanation:
Perimeter is the total measurement of all the sides
16x + 12 = (6x + 14) + (4x - 8) + (?)
16x + 12 = 10x + 6 + ?
6x + 6 = ?
Mr. Martin had 7 eggs. He used half (½) of these eggs plus one-half (½) another egg to make an omelet. He then used half (½) of what was left plus half (½) another egg to make a batch of cookies. Finally, he used half (½) of what was left plus one-half (½) an egg to make a meatloaf.
Answer:
Number of eggs used to make meat loaf = 1
Step-by-step explanation:
The total number of eggs used to make omelet =
[tex]\frac{7}{2} + \frac{1}{2}\\\frac{8}{2} \\4[/tex]
The total number of eggs used for making cookies
[tex]\frac{3}{2} + \frac{1}{2} \\\frac{4}{2}\\2[/tex]
He is now left with 7 -4-2 = 1 egg only
So he uses this one egg to make meat loaf
How can you evaluate 2 to the power of 0
Answer:
How about this: There's always an implicit 1 in the expansion:
23=2⋅2⋅2⋅1=8
22=2⋅2⋅1=4
21=2⋅1=2
20=1=1
Find the area of the shaded region. Round to the nearest hundredth
Answer:
Area of the shaded region = 450.52 square inch
Step-by-step explanation:
Area of the shaded region = Area of the circle - Area of the right triangle inscribed in the semicircle
By applying Pythagoras theorem in the given right triangle,
(Hypotenuse)² = (leg 1)² + (leg 2)²
= (21)² + (20)²
Hypotenuse = [tex]\sqrt{441+400}[/tex]
= [tex]\sqrt{841}[/tex]
= 29
Since, hypotenuse of the right triangle is the diameter of the circle.
Therefore, radius of the circle = [tex]\frac{29}{2}[/tex]
= 14.5 in.
Area of the circle = πr²
= π(14.5)²
= 660.519
≈ 660.52 in²
Area of the right triangle = [tex]\frac{1}{2}(\text{Base})(\text{Height})[/tex]
= [tex]\frac{1}{2}(21)(20)[/tex]
= 210 in²
Area of the shaded region = 660.52 - 210
= 450.52 square inch