Answer:
{x,y} = {3/7,-43/7}
Step-by-step explanation:
System of Linear Equations entered :
[1] x + 3y = -18
[2] -x + 4y = -25
Graphic Representation of the Equations :
3y + x = -18 4y - x = -25
Solve by Substitution :
// Solve equation [1] for the variable x
[1] x = -3y - 18
// Plug this in for variable x in equation [2]
[2] -(-3y-18) + 4y = -25
[2] 7y = -43
// Solve equation [2] for the variable y
[2] 7y = - 43
[2] y = - 43/7
// By now we know this much :
x = -3y-18
y = -43/7
// Use the y value to solve for x
x = -3(-43/7)-18 = 3/7
Solution :
{x,y} = {3/7,-43/7}
please help! A pack of cinnamon-scented pencils sells for $6.00. What is the sales tax rate if the total cost of the pencils is $6.18?
Answer:
The sales tax is 3%
Step-by-step explanation:
Given: O is the center of the given circle. If mBD = 122 find,
a. mc1
b. m 2
d. mz4
e. m 5
f. m26
c. M_3
Answer:
A and F
Step-by-step explanation:
Solve the following equation for h. 4 = hn
Answer:
[tex]h = \frac{4}{n}[/tex]
Step-by-step explanation:
Isolate the variable by dividing each side by factors that do not contain the variable.
Hence, you get the following answer:
[tex]h = \frac{4}{n}[/tex]
The diagram shows five shapes on a centimetre grid.
a) Write down the name of shape Z.
(1)
Answer:
Parallelogram
Step-by-step explanation:
It is a parallelogram, because one pair of opposite sides are parallel to each other.
Hope it helps :)
Please mark my answer as the brainliest
1 Zx and Zy are supplementary angles. Zy measures 65º. What is the measure of Zx?
Answer:
zx=115'
Step-by-step explanation:
supplementary angles add up to 180'
180-65=115
Answer:
115°
Step-by-step explanation:
Given
Zy = 65°
Zx = ?
we know
Zx + Zy = 180° { being supplementary angles }
Zx + 65° = 180°
Zx = 180° - 65°
Zx = 115°
Hope it will help :)❤
can somebody help me ? please .. if you answer you’ll get 20 points & brainlyiest if correct! ( sorry i might have spelled brainly wrong )
fiona is building a model car 1/12 scale. the axle of the original car is 6 feet long and has a diameter of 3 inches. what would be the measure of the diameter of the axle of the model car?
// answer choices //
a : 1/4 inch
b : 1/2 inch
c : 1 inch
d : 3/2 inch
( ONLY ONE IS CORRECT ) .
i inserted the image , typed in the question so it should be no complaint please help me! if not it’s okay.. thanks for stopping by if you bypass this without answering .
Answer: I think it should be a: 1/4 inch
Step-by-step explanation:
Hello!! I have a question, can you please answer it. ^^
The school nurse is assembling first-aid kits for the teachers. She has 75 bandages and 90 throat lozenges.
All the kits must have the same number of each supply, and all supplies must be used.
a. What is the largest number of kits the nurse can make?
b. How many bandages and lozenges will be in each kit?
A) The largest amount of kits the nurse can make is 75.
B) There would be 1 bandages and 1 lozenges in each kit.
Answer:
A) The largest amount of kits the nurse can make is 75.
B) There would be 1 bandages and 1 lozenges in each kit.
Step-by-step explanation:
Pls, be quick I only have 20min.s!Also, pls be an expert.
Answer:
The first blank is 1/4, The second blank is also 1/4, the Final blank is 9
Step-by-step explanation:
If there are 4 quarts in a gallon, you multiply 1/4 by 36 because a quart is 1/4 of a gallon
36 multiplied by 1/4 is 9
hi please help. I will really appreciate it!
Answer:
sorry but it is not clear pleas take a more clear pic
Step-by-step explanation:
The ratio of men to women in the astronomy club is 3 to 2. The club has
60 members. How many club members are women?
Answer:24
Step-by-step explanation:
3. Jim invests $3500, compounded annually at 12% for 3 years. What is the total
amount Jim will earn after 3 years?
A) 18,725.88
B)15,225.88
C) 19,157.48
D) 18,225.88
Answer:
None of the above, it should be $4760
Step-by-step explanation:
First, converting R percent to r a decimal
r = R/100 = 12%/100 = 0.12 per year,
then, solving our equation
I = 3500 × 0.12 × 3 = 1260
I = $ 1,260.00
The simple interest accumulated
on a principal of $ 3,500.00
at a rate of 12% per year
for 3 years is $ 1,260.00
What is the equation for each line?
-5x+2y=16
Please help me
Can you help me please and thank yoh
Answer:
60, 3, 4, 150
Step-by-step explanation:
The top row you count by 1
On the second row you count by 30
What is the sum of d° + e°?
Answer:
d° + e° = 180°
Step-by-step explanation:
Please I Need Help
I'm stuck on this question ⁉️
Answer:
greater than
Step-by-step explanation:
Please forgive me if wrong
(50 POINTS) What transformation takes the graph of g(x)=x^2−5 to the graph of h(x)=x^2−1?
translation 4 units up
translation 1 unit up
translation 1 unit down
translation 4 units down
Answer:
translation 4 unites up
Step-by-step explanation:
the thing that is changing is the y intercept and the y intercept went up by 4 therefore it is a translation 4 units up
hope this helps (:
The transformation from the function g(x)=x²-5 to h(x)=x²-1 is translation 4 units up. Therefore, option A is the correct answer.
What is a transformation?A transformation is a general term for four specific ways to manipulate the shape and/or position of a point, a line, or geometric figure. The original shape of the object is called the Pre-Image and the final shape and position of the object is the Image under the transformation.
The given functions are g(x)=x²-5 and h(x)=x²-1.
From the function g(x)=x²-5 to h(x)=x²-1, the translation by 4 units up.
Now, g(x)=x²-5+4
So, h(x)=x²-1
Therefore, option A is the correct answer.
Learn more about the transformation here:
https://brainly.com/question/11709244.
#SPJ2
TVs are usually measured as a diagonal distance across the screen for screen measures 15.1 inches in height and 19 inches diagonally what is the width of the screen round to the nearest 10
Answer:
11.53 inches
Step-by-step explanation:
Given data
Diagonal = 19 inches
Height= 15.1 inches
Let us apply the Pythagoras theorem
D^2= H^2+W^2
substitute
19^2= 15.1^2+W^2
361=228.01+W^2
361-228.01=W^2
132.99= W^2
W=√132.99
W=11.53 inches
Hence the width is 11.53 inches
A test has multiple choice questions worth 2 points and short answer questions worth 3 points. There are 45 points on the test. Write an equation in standard form that represents this situation using the
variables x and y
Help plz
if you can help i would be happy
Answer:
x =8
Step-by-step explanation
8 - 5 + 3 = 9
3x^2-9x+0
Factor the trinomial
Answer:
3x (x-3)
Step-by-step explanation
3x^2 - 9x + 0
The equation.
3x^2 - 3^2 × x
What I did here is that I factored out 9x to 3^2 times x.
3x (3x^2 all over 3x - 3^2 × x/ all over 3x)
So that way I can divide the number in the parentheses by 3x to take 3x out of the parentheses to factor out.
3x (x^2-1 - (3^2-1) )
You simplify to get the final answer.
3x (x-3)
Final Answer.
I hope this helps!!!!
a) Simplify
X-2
7(x - 2)2
Answer:
the fist u cant simply is it will be x - 2
second is 14x-28
Step-by-step explanation:
Solve the following inequality for the variable, x
Answer:
x>12
Step-by-step explanation:
x+3>15
subtract 3 from both sides
x+3-3>15-3
simplify
x>12
hope this helps :) have a nice day !!
What is the approximate volume of the cylinder?
Answer:
V ≈ 509 m3 ← with 3.14 for π =2462 feet³
Step-by-step explanation:
I hope I helped, This is my math just round up :)
Find the 75th term of the arithmetic sequence -17, -13, -9....
Answer:
The 75th term of the arithmetic sequence -17, -13, -9.... is:
[tex]a_{75}=279[/tex]
Step-by-step explanation:
Given the sequence
[tex]-17, -13, -9....[/tex]
An arithmetic sequence has a constant difference 'd' and is defined by
[tex]a_n=a_1+\left(n-1\right)d[/tex]
computing the differences of all the adjacent terms
[tex]-13-\left(-17\right)=4,\:\quad \:-9-\left(-13\right)=4[/tex]
The difference between all the adjacent terms is the same and equal to
[tex]d=4[/tex]
The first element of the sequence is:
[tex]a_1=-17[/tex]
now substitute [tex]d=4[/tex] and [tex]a_1=-17[/tex] in the nth term of the sequence
[tex]a_n=a_1+\left(n-1\right)d[/tex]
[tex]a_n=4\left(n-1\right)-17[/tex]
[tex]a_n=4n-21[/tex]
Now, substitute n = 75 in the [tex]a_n=4n-21[/tex] sequence to determine the 75th sequence
[tex]a_n=4n-21[/tex]
[tex]a_{75}=4\left(75\right)-21[/tex]
[tex]a_{75}=300-21[/tex]
[tex]a_{75}=279[/tex]
Therefore, the 75th term of the arithmetic sequence -17, -13, -9.... is:
[tex]a_{75}=279[/tex]
you can buy 3 t-shirts for $22.50. write and solve a proportion that shows how many t-shirts you could buy with $110
Answer:
14.6 T-Shirt
Step-by-step explanation:
Well, you divide 22.50 and 3 and you get 7.5.
Once you get 7.5 you divide it by 110 which is 14.6
HELP AND YOU CAN GET THE CROWN
Answer:
g(r - 9) = r² - 18r + 89
Step-by-step explanation:
To evaluate g(r - 9), substitute p = r - 9 into g(p) , that is
g(r - 9) = (r - 9)² + 8 ← expand factor using aFOIL
= r² - 18r + 81 + 8
= r² - 18r +89
Sharon work 45 ½ hours. Her hourly wage is $18/hr. What is her gross pay
Answer:
$819
Step-by-step explanation:
45.5 *18=819
4
What is the result of 2-10?
.
1
5
Answer:
-3.14530027393739338363829263839
-Step-by-step explanation:
The Bald Eagle is an endangered species making a remarkable comeback. Its population has grown 6% annually since 1975, when there were only 575 nesting pairs in the continental USA. a) Is this situation linear or exponential? Why?
Answer:
Exponential because the bald eagle is having to come back. I don't know why because this is a guess
Step-by-step explanation: