of equations to answer the questions.
2x + 3y = 3
y = 8 - 3x
The value of y from the second equation is substituted back into the first equation. What is the resulting eq
What is the value of x?
What is the value of y?
Da
Answers
2x + 24 -9x = 3
-7x = -21
x = 3
y = 8 - 3x
y = 8 - 3(3)
y = 8-9
y = -1
Check the math:
2(3) + 3(-1) = 6 - 3 = 3
Related Questions
i need help please .........
Answers
Answer:
Step-by-step explanation:
(10^2-6^2) gives the hypotenuse of the smaller triangle therefore we get 8 units for that side.looking for the value of x
(8^2-3^2)=x^2
(64-9)=x^2
55=x^2
X=√55
Determine whether each pair of figures is similar. If so, write the similarity statement and scale factor. If not, explain why. Number 1 and 2 on the second part.
Answers
9514 1404 393
Answer:
JKLM ~ QRSP, scale factor 0.6ΔABC ~ ΔUVT, scale factor 1.5Step-by-step explanation:
We can write the similarity statements by naming vertices in order of increasing numbers of arcs, starting with the one having a single arc. Then we can express the side lengths as a reduced ratio, in the same order.
1. JKLM ~ QRSP
JK : KL : LM : MJ = 20 : 15 : 24 : 25
QR : RS : SP : PQ = 12 : 9 : 14.4 : 15 = 20 : 15 : 24 : 25 (same ratios)
The scale factor is 12/20 = 0.6.
__
2. ΔABC ~ ΔUVT
AB : BC : CA = 16 : 14 : 12 = 8 : 7 : 6
UV : VT : TU = 24 : 21 : 18 = 8 : 7 : 6 (same ratios)
The scale factor is 24/16 = 1.5.
camie and jorge each saving money for a new computer camie saves $5 per week plus $50 she received for her birthday. jorge saves $7 per week. which of the following can be used to find w the number of weeks until jeorge has saved at least the same amount as camie
Answers
Answer:
7w > 5w + 50
Step-by-step explanation:
Suppose you are an aerospace engineer. It is your job to design a new type of fighter jet, and you have already been given a model for it. The actual jet is to be 50 times as large as the model. The dimensions of the model are as follows: Length: 3 feet Width: 6 inches Height: 0.3 feet Find the dimension of the actual jet
Answers
Answer:
150 ft length 35ft width and 15ft height
Step-by-step explanation:
Find the altitude of the triangle.
30 degrees
Hypotenuse of 14
Answers
Answer:
Approx. 12.124 units tall
Step-by-step explanation:
Since you need to find the height (which is adjacent to the given angle), you need to use cosine (adj. over hypotenuse).
cos(30) = x/14
Multiply both sides by 14:
14cos(30) = x
Hope this helps :)
Since in this triangle the side opposite of the 90 degree angle is 14, we know the side opposite the 30 degree angle is 14/2 = 7
Then, we multiply 7 by sqrt(3) and get 7sqrt(3) as the side opposite the 60 degree angle.
List three decimal values between 2.5 and 2.6
Answers
Answer:
2.55 2.56 2.57
Step-by-step explanation:
Answer:
2.51, 2.52, 2.59
Step-by-step explanation:
Ay yo whats good bro
2 1/2 ÷ by 5/8=? Whats the answer
Answers
Answer:
4
Step-by-step explanation:
5/8 x 4 =2.5
2.5 is also 2 1/2
Explanation: 2 1
2
÷
5
8
=
5
2
÷
5
8
=
5
2
×
8
5
=
5 × 8
2 × 5
=
40
10
=
40 ÷ 10
10 ÷ 10
= 4
georgia has 45 pencils she places all of the pencils into one or more baskets.
Answers
Answer:
one basket release you are dividing then it would be 9
I need help quick this is hard
Answers
12inches including the history bonus make sure to include the politics
Describe the mathematical process for finding the area of a rectangle triangle and circle be sure to included explain the formulas for finding the area if each shape
Answers
What is a better buy.
A 12-pack of Pokemon cards for $8.50
or
A 6-pack of Pokemon cards for $5.75
Answers
6 for 5.75
5.75x2=11.5
12 pack is a better buy
Answer:
12 pack is better
Step-by-step explanation:
It is better because it's just a little more money and it has more packs then 6 pack.
Michael used a ruler to measure the length of a rope and he found that it was 7 ½ feet long. What is the length of that rope in yards?
Answers
Answer:
hi mai Ankit Kumar and smart ways of learning and smart ways of learning and smart and the other day
16
20
25
16
20
50
5. Eli's school collected 140 canned foods last month, which represents 25% of their goal.
Part A: What is the school's goal for the number of canned foods they hope to collect?
anned
Answers
Answer:
560
Step-by-step explanation:
I'm kinda confused on whats being asked i went with just question number 5
3/4r+2r+1/2
Plssss help and hurry thanks!
Answers
Answer:
3.25r
Step-by-step explanation:
Im converting them to decimals because its easier to write on brainly so 0.75r+2r+0.5r = 3.25r
Answer:
Answer is 11r/4 + 1/2
Step-by-step explanation:
3/4r + 2r + 1/2 = 11r/4 + 1/2
NEED ANSWERS ASAP TY
Answers
Answer:
11
Step-by-step explanation:
Answer: 11
Step-by-step explanation: Because t has the same sides as the 11's do
One bottle contains 250 ml of juice. Soham wants 2 liters of juice. How many bottles should he buy?
Answers
Answer:
8 bottles
Step-by-step explanation:
2000 mL in 2L
2000/250= 8
. Seven cards are numbered from 1 to 7 and placed in a box. One card is selected at random, then replaced. Another
card is randomly selected. What is the probability of selecting two odd numbers?
Answers
Answer:
Im not sure, but I can give advice!
Step-by-step explanation:
Study and wach yt vids (: hope I helped a bit!
Answer:
25/59
Step-by-step explanation:
Since there are 5 odd cards and 7 cards total, the probabilty of drawing an odd card is 5/7.
he probability of two events happening is the probability of each multiplied together, so multiply 5/7 by 5/7 to get 25/49.
Find the discount.
Original price: $0.75
Discount: ??
Sale price: $0.15
Answers
Answer:
80%
Step-by-step explanation:
0.75 ⇒ 100%
0.15 ⇒ x%
0.75x = 100·(0.15)
0.75x = 15
x = 15/(0.75)
x = 1500/75
x = 20%
100% - (discount) = x%
100% - (discount) = 20%
discount = 100%-20%
discount = 80%
Answer:
60% off
Step-by-step explanation:
.........help me please
Answers
Answer:
no veo nada xd
Step-by-step explanation:
nose
5. Use figure ABCD below. Draw a line segment
from point B to point D. Name and classify
6.
the triangles formed.
А A
B
pany
Answers
Answer:
Triangle ABD and Triangle CDB. Both are obtuse scalene triangles.
Step-by-step explanation:
what is the product of 7/8 x 4/7
Answers
Answer:
1/2
Step-by-step explanation:
7x4= 28
8x7= 56
simplify: 28/56=1/2
Answer: 7/8 x 4/21
(7x4)/(8x21)=28/168
Let's divide the top and bottom by 7...
(28/7)/(168/7)=4/24
Let's divide the top and bottom by 4...
1/6
Step-by-step explanation:
hope this helps have a great night❤️❤️❤️❤️
What is 48.6% of 19?
Please
Answers
Answer this, please! Anybody
Answers
Answer:
1/4 and 1/8 which shold multiply
Step-by-step explanation:
A population of bacteria P is changing at a rate based on the function given below, where t is time in days. The initial population (when t = 0) is 900. dP dt = 2900 1 + 0.25t Write an equation that gives the population at any time t. Then find the population when t = 2 days. (Round your answer to the nearest whole number.)
Answers
There were 60 people on bus. 40% were female. How many people were females and how many were males?
Answers
Answer:
There were 24 females and 36 men on the bus
Step-by-step explanation:
To find the amount of females on the bus you multiply the 60 passengers by 0.4 to mimic the 40% and you get 24. So there were 24 females and to find the men you simply subtract 24 and 60 to get 36
Write a compound inequality that represents each situation. Graph your solution.
All real numbers that are greater than -6 but less than 6.
Answers
Answer:
-6 < x < 6
Step-by-step explanation:
Which of the following will result in a rational answer?
O multiplying by a fraction
O adding the square root of a non perfect square to a whole number
adding the square root of a perfect square to
O multiplying à fraction by a repeating decimal.
Mark this and return
Save and Exit
Next
Submit
Answers
Answer:
multiplying by a fraction
Step-by-step explanation:
rational answers can be a fraction.
hope this helps :)
Find the
X.
х
48
55
x = [?]
Answers
Answer2x^2
Step-by-step explanation:
Consider the function f(x) = x^2 - 10x - 24. Given that one of the solutions of the function is x = -2, what is the other solution of the func
Answers
Answer:
5
Step-by-step explanation:
You want me to let you in on a secret? There's a simple equation that you can use to solve any quadratic problem in a minute or two.
It's the quadratic formula
x = [tex]x = \frac{-b +- \sqrt{b^2 - 4ac} }{2a}[/tex]
The +- means that you will do this two times, the first time you will do -b + sqrt(b^2-4ac), and the second time you will do minus that.
a is the coefficient of the first term in the expression, b is the second and c is the third.
so we get[tex]x = \frac{-(-10) +- \sqrt{(-10)^2 - 4(1)(24)} }{2(1)}[/tex] , which is the same as
[tex]x = \frac{10 + \sqrt{100 - 24(4)} }{2}[/tex]
and
x = [tex]x = \frac{10 - \sqrt{100 - 24(4)} }{2}[/tex]
The top part simplifies to [tex]\frac{10 + \sqrt{100 - 72} }{2} = \frac{10 + 6}{2} = 5[/tex], which is your answer.
7r+4r+10s what is the answer
Answers
Answer:
11r + 10s
Step-by-step explanation: