Answers
Answer:
x=5 y=-6
Step-by-step explanation:
3x+y=9 ------eqn1
y=4-2x -------eqn2
using substitution
put y=4-2x into eqn1
3x+4-2x=9
x=5
put x=5 into eqn2
y=4-2(5)
y=4-10
y=-6
Related Questions
The table shows the balances for 3 bank accounts.
Use this information to complete the statements below.
Answers
Ms.Poppy has finished grading her student's tests. The scores were the following: 51, 55, 55, 62, 65, 72, 76, 78, 79, 82, 83, 85, 91, and 93
find the meadian
find the mean
Answers
Answer:
Meadian: 77
Mean: 73
Step-by-step explanation:
The measure of an angle is 34 degrees. What is the measure of the supplementary angle.
Answers
Answer:
146
Step-by-step explanation:
Supllementary angles add up to 180 degrees.
180-34 = 146
At a local animal shelter last week, 1/4 of the pet adoptions placed cats into homes and 2/3 of the adoptions placed dogs. Hamsters, rabbits, and reptiles were also adopted. Which choice is the MOST reasonable for the part of the adoptions for cats and dogs? A) 1/12 B) 5/12 C) 1/2 D) 11/12
Answers
Answer:
B)5/12 Hope It Help
Step-by-step explanation:
Brainliest please
Answer:d I think?
Step-by-step explanation:
Sarah used 3.25 meters of fabric to make a costume. How many centimeters of fabric did she use?
Answers
Answer:
325 centimeters
Step-by-step explanation:
Jessica had 8 sheets of paper. Water spilled on 2 sheets, so she threw them in the recycle bin. She drew 7 stars on each remaining sheet. How many stars did Jessica draw?
Answers
Answer:
42
Step-by-step explanation:
The remaining sheets of paper can be find in this way:
8-2 = 6
for each sheet of paper she drew 7 stars, so the total can be find in this way:
6 x 7 = 42 stars
the graph shows the function y=3x-1. What are the cordinates of intercepts
Answers
Answer:
[tex]y \: intercept : when \: x = 0 \\ y = (3 \times 0) - 1 = - 1 \\ = > (0, - 1) \\ x \: intercept : when \: y = 0 \\ 0 = 3x - 1 \\ x = \frac{1}{3} \\ = > ( \frac{1}{3} ,0) \\ intercepts : (0, - 1) \: and \: ( \frac{1}{3} ,0)[/tex]
9(2b - 6)
Help I tried 6 times...
Answers
Use distributive property.
18b-54
Choose all that are like terms with 5x.
10x
-
2.
-7x
3x^2
-6
6x^4
0.5x
Answers
Answer:
the correct answer is 6x^4
Mr. Liáng made a circular tablecloth to cover the top of a table. If the diameter of the tablecloth measures 50 inches, which measurement is closest to the area of the tablecloth? F 625 in.2 H 3,140 in.? G 1,900 in.? J 7,500 in.2 OF
Answers
Answer:
F. 625
Step-by-step explanation:
625 times 2
= 1256
round it to
= 1250
Hope this Helps
Have a nice day
A number increased by 7 is 4 less than twice the number. Write the equation and solve
Answers
Answer:
The number must be bigger than 7 for the equation be true
If you put x= 7 or x= 6...it will not be true
Step-by-step explanation:
x+7< 2x
7< x
x> 7
Example x=9
9+7 < 2x9
16< 18 TRUE
The equation is x + 7 = 4 - 2x. Then the solution of the equation will be negative 1.
What is the solution to the equation?The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.
The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.
A number increased by 7 is 4 less than twice the number.
Let the number be 'x'. Then the inequality is given as,
x + 7 = 4 - 2x
Simplify the equation, then we have
x + 7 = 4 - 2x
x + 2x = 4 - 7
3x = - 3
x = -3/3
x = -1
The equation is x + 7 = 4 - 2x. Then the solution of the equation will be negative 1.
More about the solution of the equation link is given below.
https://brainly.com/question/545403
#SPJ2
hii please help i’ll give brainliest
Answers
Candice drives a total of 48 miles each day to work and get back home. She works five days a week. Her car gets 21 miles per gallon of gas. About how many gallons of gas does she need to drive to work and back home each week
Answers
Answer:
Total gallon of fuel used = [tex]11.428[/tex] gallons
Step-by-step explanation:
Given -
The total distance travelled by car in one gallon of gas = 21 miles
Total distance travelled each day = 48 miles
Number of days days in a week in which Candice drive is 5 days
Total miles travelled per week = [tex]48*5[/tex] = 240 miles
Total gallon of fuel used = [tex]\frac{240}{21} = 11.428[/tex] gallons
Cameron created a composite figure by stacking three cubes the cubes measure 2 inches on each side  what is the volume of the composite figure
Answers
Answer:
24 cubic inches.
Step-by-step explanation:
The volume of one cube = s * s * s or s^3
s = 2 inches
V = s^3
V = 2 * 2 * 2 or 2^3
V = 8 cubic inches.
The volume of 3 of them is 8*3 = 24 cubic inches.
find constants p and q such that x^4-2x^3-x^2+2x+10=(x^2+px+5)(x^2+qx+2)
Answers
Answer:
p = -4 q = 2
Step-by-step explanation:
Expand the brackets ( yes the entire thing).group together the values with same co-effiecients; like (q+p)x^3 etc etc.equate the co-effiecients on the left hand side to the now grouped ones on the right, for example [x^3]: -2x^3= (q+p)x^3, the x^3 cancels and ull get an equation only in terms of p and q. do the same for [x] and ull get an equation with only q, solve this and get the value for q [q = 2].sub in this value for the [x^3] equation and ull get an answer for p [p= -4].hope my explanation is understandable lol
***I WILL GIVE BRAINIEST TO THE CORRECT ANSWER**
Latasha and Hercules are collecting drones in a ratio of 5:10. If they collected 270 drones altogether, how many drones did Latasha
collect?
Answers
Answer:134 if they both collected half of the drone's
Step-by-step explanation:
270%2=134
A triangle has one angle that measures 100 degrees. If the other two
angles are isosceles, what is the measure of these two angles? (Have to submit In 15 minutes)
Answers
Answer:
40
Step-by-step explanation:
180 -100 = 80
80/2 = 40
In the terminal side of an angle in standard position lies on -4y=3x and x>0, find the exact values of the trigonometric functions of 0
Answers
Answer:
sec ∅ = 5/4
cosec ∅ = -5/3
cot ∅ = -4/3
Tan ∅ = - 3/4
sin ∅ = -3/5
cos ∅ =4/5
Step-by-step explanation:
Given : -4y = 3x , x > 0
i.e. 3x + 4y = 0 , x >0
4y = -3x ∴ y = - 3/4 x
The values of trigonometric functions of ∅ are
Tan ∅ = opposite / adjacent
= - 3/4 ( given that y = slope which is = Tan ∅ )
now we will find the hypothenuse ( c )
c^2 = a^2 + b^2 = 9 + 16 = 25
therefore ; c = √25 = 5
hence the trig functions are :
sin ∅ = -3/5
cos ∅ =4/5
sec ∅ = 5/4
cosec ∅ = -5/3
cot ∅ = -4/3
Which exponential expression is equivalent to the one below? (6x3)^5
Answers
Answer:
Hi! The answer to your question is D. [tex]6^5 * 3^5[/tex]
Step-by-step explanation:
☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆
☆Brainliest is greatly appreciated!☆
Hope this helps!!
Stay Safe!!!
- Brooklynn Deka
10. Write an equation in Slope-Intercept Form of the line that is parallel to the graph of
each equation and passes through the given point.
y = 4x + 8
(4,2)
Original slope=
Parallel slope=
Equation=
Answers
Answer:
Original slope = 4
Parallel Slope = 4
Equation = y = 4x - 16
Step-by-step explanation:
y = 4x +8
* the slope is the same since it is parallel
2=4(4) + b
2=16 + b
-14=b
y = 4x - 16
I need help ASAP pls
Answers
Answer:
72
Step-by-step explanation:
trust meh
HELP PLZZ !
Choose all that are correct.
15
The probability of a person being between 25-34 and owning stocks is
118
34
The probability of a person being between 25-34 or owning stocks is
118
Answers
Answer: A, C, and D
Step-by-step explanation:
On Wednesday 72% of the customers who bought gas at a gas station made additional purchases. There were 250 customers who bought gas.
How many of these 250 customers made additional purchases?
Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.
Answers
180 of the customers made additional purchases
Describe all 6 parts, for example, side "a" is one of the legs of the right triangle and is opposite Angle A, which is an acute angle, and side a appears to be the shortest side.
Answers
Answer:
The description of the 6 parts of the right triangle ABC are as follows;
The legs of the right triangle are side "a" and side "b"
The hypotenuse side of the right triangle is side "c"
The acute angles are ∠A and ∠B
The 90° angle is ∠C
The description of the 6 parts are therefore given as follows;
1) A; ∠A is the acute angle opposite side "a" and ∠A is formed between the hypotenuse side "c" and the leg "b"
2) B; ∠B is the acute angle opposite side "b" and ∠B is formed between the hypotenuse side "c" and the leg "a"
3) C; ∠C is the 90° angle (right angle) opposite the hypotenuse side "c" and ∠C is formed between the the two legs "a" and "b"
4) a; Side "a" is one of the two legs of the right triangle ΔABC and it is the leg opposite to ∠A
5) b; Side "b" is one of the two legs of the right triangle ΔABC and it is the leg opposite to ∠B
6) c; Side "c" is the hypotenuse side of the right triangle ΔABC and it (the hypotenuse side) is (all the time) the longest side of the right triangle and it is the leg opposite to ∠A
Step-by-step explanation:
I NEED HELP PLS, WILL MARK BRAINLIEST
Answers
Answer:
this is the answer hope it helps
Which is the solution to the inequality --4x+6 3 2x?
Answers
Answer:
a. x>_1
Step-by-step explanation:
-4x+6<_2x
6<_2x+4x
6<_6x
1<_x
x>_1
multiple choice please help me ( links = report )
Answers
Answer:
Im gonna have to go with C :452.4 cm
Step-by-step explanation:
If this answer is correct please put me as brainliest, Thank you!
-Brainly User
Answer:
Hello Love! In this problem it gives you the diameter but when doing area we need the radius and remember radius is always half of the diameter so we are going to get 12 as are radius and square it so 12 × 12 = 144 now we just multiply by pi so 144 × 3.14 = 452.16 but sense we are rounding it it will be 452.4 so our answer is C
What is the scale factor from AABC to ADEF?
Answers
Answer:
C. 1/12
Step-by-step explanation:
The scale can be calculated by comparing side lenghts
AC is similar to FD and AB is similar to FE and BC is similar to ED
AB = 2 and FE = 24 so AB/FE is = 2/24 that's simplified is 1/12
6 Write the phrase as an algebraic
expression
A number decreased by seven
Answers
Answer
x-7
Step-by-step explanation
Let x = unknown number
= x decreased by 7
= x-7
[tex]\huge\text{Hey there!}[/tex]
“ [tex]\large\text{A number decreased by seven}[/tex]”
[tex]\large\text{Whenever you see or hear the word \underline{decrease} in mathematics it usually}\\\large\text{means \underline{SUBTRACT} , so you are taking away a number. You are usually going}\\\large\text{\underline{DOWNWARD}}[/tex]
[tex]\large\text{The phrase \underline{a number} usually means that you have an \underline{unknown variable}}[/tex]
[tex]\large\text{Now that have that little GUIDE for you to follow by for this equation,}\\\large\text{lets ANSWER your given equation}[/tex]
[tex]\large\text{We can say your unknown variable is going to be labeled as \bf s}[/tex]
[tex]\large\text{REMEMBER we said that DECREASED means subtract or taking}\\\large\text{away!}[/tex]
[tex]\large\text{Seven will simply be 7 because you have that information already}\\\large\text{in your algebraic expression}[/tex]
[tex]\large\text{Based on the given information we did, we have reached your answer}[/tex]
[tex]\large\text{= \bf s - 7}[/tex]
[tex]\boxed{\boxed{\large\text{Answer: \huge \bf s - 7}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
the common diiference of an ap is 4 . the last term is 72 and the sum of all terms is 600. find the first term and the number of terms
Answers
Answer:
a = - 24 ; n =25
a = 28 ; n = 25
Step-by-step explanation:
n = l - a/d + 1
d = common difference = 4
Last term = l = 72
n = 72 - a/4 + 1
4n = 72 - a + 4
4n = 76 - a
a = 76 - 4n - - - (1)
Sum of terms :
Sn = n/2(a + l)
Sn = 600
600 = n/2(a + 72)
1200 = n(76-4n +72)
1200 = 148n - 4n
4n² - 148n + 1200
Solving the quadratic equation :
Roots of n are :
12 and 25
From (1)
n = 12
a = 76 - 4(12) = 28
n = 25
a = 76 - 4(25) = - 24
Hence,
a = - 24 ; n =25
a = 28 ; n = 25