Answer:
x = 2 , y = 1
Step-by-step explanation:
Solve the following system:
{y = 3 x - 5 | (equation 1)
3 y + 6 x = 15 | (equation 2)
Express the system in standard form:
{-(3 x) + y = -5 | (equation 1)
6 x + 3 y = 15 | (equation 2)
Swap equation 1 with equation 2:
{6 x + 3 y = 15 | (equation 1)
-(3 x) + y = -5 | (equation 2)
Add 1/2 × (equation 1) to equation 2:
{6 x + 3 y = 15 | (equation 1)
0 x+(5 y)/2 = 5/2 | (equation 2)
Divide equation 1 by 3:
{2 x + y = 5 | (equation 1)
0 x+(5 y)/2 = 5/2 | (equation 2)
Multiply equation 2 by 2/5:
{2 x + y = 5 | (equation 1)
0 x+y = 1 | (equation 2)
Subtract equation 2 from equation 1:
{2 x+0 y = 4 | (equation 1)
0 x+y = 1 | (equation 2)
Divide equation 1 by 2:
{x+0 y = 2 | (equation 1)
0 x+y = 1 | (equation 2)
Collect results:
Answer: {x = 2 , y = 1
Answer:
X=2
Step-by-step explanation:
When Robert was born he weighed 8 pounds. How many ounces did he weigh
Answer:
128 ounces
Step-by-step explanation:
1 lb = 16 oz :) hope this helps!
Jessica reads aloud from science website. She comes across the mesurement 0.32 meter. How shouls she read this mesurement aloud? Explain how you know
Answer:
zero point three two meter
Step-by-step explanation:
Given
[tex]Measurement = 0.32\ meter[/tex]
Required
How should it be pronounced
From the measurement above, we can see that it contains a decimal point.
Using the rules of decimal point,
The number before the decimal point will be treated as 1 number and will be pronounced as such.
While numbers after the decimal will be treated as individual digits and will be pronounced individually.
Hence, the pronunciation of 0.32 meter is zero point three two meter
Answer: zero and thirty two hundredths. Some strategies are ( expanded form , a place value chart , word form , fraction expanded form i hope this helped i did this today in my class!
A large pizza pie with 15 slices is shared among 6 students. How many full slices of pizza can each student
have?
A. 4
B. 5
C. 2
D. 1
Answer:2 they can only have 2 full slices of pizza
Step-by-step explanation:
If they wanted to have 4 full slices there would have to be at least 24 slices
If they wanted to have 5 full slices there would have to be at least 30 slices
If they all have 2 there will only be 3 left over but not enough for each them to get another full slice
If they only all have 1 full slice there would be 9 slices left over allowing them to all have another full slice making it 2 full slices they can all eat.
please help it’s due tonight :(
Answer:
B
Step-by-step explanation:
What is the answer and solution steps I’ll give you brainlist and points
Answer:
the answer is b(-7/4)
Step-by-step explanation:
2(x+5)-3=(2x=1)+1
2x+10-3=-(2x+1)+1
2x+7=-(2x+1)+1
2x+7-2x-1+1
2x+7=2x
2x+7-7+2x-7
x=-7/4
Answer:
Step-by-step explanation:
all parallelograms are rectangles true or false
Answer:
yes
Step-by-step explanation:
Parallelograms are quadrilaterals and so are rectangles
If you were to make the corners 90 degrees, you would have a rectangle, do basically they are the same.
Hope this helps!
Answer:
The answer is true.
Step-by-step explanation:
A parallelogram is a quadrilateral with all opposite sides parallel and congruent. All rectangles fit into that description.
Best of luck <3
Which is equivalent to 2.3(-2x + 9.1) + 9(3.4x - 8)?
A. 26x - 51.07
B. 26x + 92.93
C. 35.2x - 51.07
D. 35.2x + 92.93
I WILL MARK! PLS ANSWER THIS.
Answer:
-3.5 -3, -2 1/2, -2, 2.5
Step-by-step explanation:
Answer:
From least (top) to greatest (bottom):
-3.5--in between -4 and -3
-3--on the -3 line
-2 1/5--in between the -3 and the -2
-2--on the -2 line
2.5--in between 2 and 3
Please help with these two questions...
I'll give you brainliest and I'll give you likes
Answer:
GH= 65.75
x=44.25
Step-by-step explanation:
I'm not so sure don't take my word for it I just wanted to try because I'm also new to geometry.
How are these triangles congruent
Answer:
C
Step-by-step explanation:
Because they are all
Answer:
1
Step-by-step explanation:
And close your tabs we don’t want to see your stuff your watching
Please answer quickly I'm failing this class and its the last day of the 1st quarter
Answer:
a. 2/3
b. 3/2
c. 1
d. 1
Step-by-step explanation:
Helppppppppp ASAP plz
A salesperson at a jewelry store earns 4% commission each week. Last week, Jarrod sold $720 worth of jewelry. How much did he make in commission? How much did the jewelry store make from his sales?
Answer:
i think its 180 im sorry if wrong
Step-by-step explanation:
Answer:
691.2
Step-by-step explanation:
720(0.04)=28.8
720-28.8=691.2
i need help with thiss plz
Answer:
Mia is right since the x-axis crosses the y-intercept and her line is an inequality.
Step-by-step explanation:
Hope this helps Kait:)
Answer:
you got this
Step-by-step explanation:
Mia is right since the x-axis crosses the y-intercept.
what two numbers multiply to 6 and add to 31 ?
A company owes a bank $3600. Beginning with month 1, the company repays the bank $300 each month. Create an equation to represent the company's debt, d, after m months.
Answer:
Step-by-step explanation:
$3600/1
+ 300 d ( debt )
Please help! I think they domain is [-5,-1) u [1,5) but I’m not sure about the range.
I need help on this Pls
Answer:
y = 6x + 9 :))))))))))((
Hi!! Can someone answer this question please & follow the directions pls, will be listing 2 more questions!
please take the photos properly so all may understand and may give answer to this questions
Answer:
im confused also can we be friends im lonely i have no friends
Step-by-step explanation:
Plez Help I’ll give brainliest
Answer: bobux man location
Step-by-step explanation: Latitude: 48.30781, Longitude: -127.14321, Distortion: 2.26
Answer:
190 millimeters
Step-by-step explanation:
you didn't show the whole question so yeah
4.048 divided by 0.88
Answer:
4.6
Step-by-step explanation:
source; calculator .com
Answer:
0.528
Step-by-step explanation:
if you do the math youll get 0.528
solve for x. i will give brainliest
Answer:
12
Step-by-step explanation:
Answer:
x= 42
Step-by-step explanation:
Since the two lines are paralell we know that
(3x-20) + (2x-10) = 180
5x=210
x=42
Which of the following terms is defined by "a line, segment, or ray that intersects the midpoint of a line segment at a 90 degree angle”?
A. Angle bisector
B. Midpoint
C. Segment Bisector
Or, D.. perpendicular bisector ?!
Answer:
C. Segment Bisector
Step-by-step explanation:
Find all the numbers such that one-third of the number is at most five.
Robin is going on vacation with her dogs. The function w(b) = 4b represents the number of
weeks that b bags of dog food last. What is the meaning of the 4 in this context?
O Each bag of dog food can feed 4 dogs.
O Each bag of dog food costs $4.
Each bag of dog food lasts 4 weeks.
Robin's vacation lasts 4 weeks.
Answer:
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
A function is a relationship between inputs where each input is related to exactly one output.
4 in the function w(b) = 4b represents that each bag of dog food lasts 4 weeks.
Option C is the correct answer.
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the function are 3 and 5
The inputs of the function are 1 and 2.
We have,
w(b) = 4b
w = number of weeks.
b = number of bags.
We see that,
when b = 1, w = 4
when b = 2, w = 8
when b = 3, w = 12
This means that,
1 bag of dog food will last for 1 week.
2 bags of dog food will last for 8 weeks.
3 bags of dog food will last for 12 weeks.
4 bags of dog food will last for 16 weeks.
Thus,
4 in the function w(b) = 4b represents that each bag of dog food lasts 4 weeks.
Option C is the correct answer.
Learn more about functions here:
https://brainly.com/question/28533782
#SPJ2
Find the slope please
Answer:
m= 1 / -3
Step-by-step explanation:
You have to use the formula
m =
y2 - y1
x2 - x1
plug-in all you numbers
m=
4 - 3
- 1 - 2
Which one is it I see two answers with (24,4)
Answer:
what do you need to figure out explain a little more so I can help you
Step-by-step explanation:
y = 2x + 6. If x = 5, how much is y?
Answer:
16
Step-by-step explanation:
Y=2(5)+6
y=10+6
Y=16
Max swims the breaststroke for 4 laps at the speed of 50 meters per minute. He then switches to the backstroke and swims another 4 laps at the speed of 25 meters per minute. A If length of the pool is d meters, how long did it take Max to complete 4 laps breaststroke?
Answer:
The answer is below
Step-by-step explanation:
Max swims the breaststroke for 4 laps at the speed of 50 meters per minute. He then switches to the backstroke and swims another 4 laps at the speed of 25 meters per minute.
a) If length of the pool is d meters, how long did it take Max to complete 4 laps breaststroke?
b) How long did it take Max to complete 4 laps backstroke?
c) It took him 2 minutes longer to complete 4 laps backstroke than 4 laps breaststroke. Write the equation that describes this fact.
d) What is the length of the swimming pool?
Solution:
a) Speed is the ratio of distance to time, it is given as:
speed = distance/time
1 lap = d meters, hence:
4 laps = 4d meters
Max swims the breaststroke at 50 meters per minute. Let us assume the time taken to complete 4 laps is [tex]t_1[/tex] minutes hence:
50 = 4d/[tex]t_1[/tex]
[tex]t_1\\[/tex] = 4d/50
[tex]t_1[/tex] = 2d/25 minutes
b) 1 lap = d meters, hence:
4 laps = 4d meters
Max swims the backstroke at 25 meters per minute. Let us assume the time taken to complete 4 laps is [tex]t_2[/tex] minutes hence:
25 = 4d/[tex]t_2[/tex]
[tex]t_2[/tex] = 4d/25 minutes
c) Since It took him 2 minutes longer to complete 4 laps backstroke than 4 laps breaststroke
[tex]t_2=t_1+2[/tex]
c)
[tex]t_2=t_1+2[/tex]
[tex]\frac{4d}{25}= \frac{2d}{25}+2\\\\multiply\ through\ by\ 25:\\\\4d = 2d +50\\\\4d-2d=50\\\\2d=50\\\\d=25\ meters[/tex]
The pool is 25 meters long
Wells College in Aurora, New York was previously an all-girls college. In 2005, the college began to allow boys to enroll. By 2012, the ratio of boys to girls was 3 to 7. If there were 200 more girls than boys in2012, how many boys were enrolled that year?
Answer:
150 boys were enrolled in 2012
Step-by-step explanation:
Let the number of boys enrolled in 2012 be x
Let the number of girls enrolled in 2012 be x + 200
Ratio of boys to girls in 2012 enrollment = 3/7
Now;
3/7 = x/x + 200
7x = 3(x + 200)
7x = 3x + 600
7x - 3x = 600
4x = 600
x = 600/4
x = 150 boys
Hence, 150 boys were enrolled in 2012