Solve this linear equation using substitution. (Please show work!)
X + Y = 7
7x + y = 1
Answer:
y=1-7x
Step-by-step explanation:
7x+y=1
The first thing to do is get the y by its self. So u cancel the 7x out by-7x and bring it to the other side.
7x-7x = 0
Now all we have left is: y=1-7x
Hope it helps and is right.
i'll give brainliest if you're correct!
Answer:
1. C
2. B
Step-by-step explanation:
Answer:
I think it might be C and A but I'm not sure
Step-by-step explanation:
Whit usually drives 5/8 mile to work on the expressway. When the traffic is bad he takes another route that is 7/8 mile long. How much shorter is his usual route?
Pls help ASAP will give brainlies
Answer:
The answer is the third selection
Step-by-step explanation:
Find the unit rate. Round to the nearest hundredth, if necessary. $340 for 14 ft2
Answer:
24.29
Step-by-step explanation:
Answer:
The answer would be 24.29
What is 4.37 multiplied by 0.68?
Answer: 4.37 multiplied by 0.68 is 2.9716.
4.37×0.86=2.9716
Hope this helps!
The answer is 2.9716
PLEASE Write an equation for the line that contains (-8, 16) and is perpendicular to y=2/3x+10. Write the equation in slope-intercept form. Show your work!
Answer:
(-4/5, 21/5)
Step-by-step explanation:
need help ASAP PLZ PLZ PLZ
Answer:
I think B
Step-by-step explanation:
Step-by-step explanation:
[tex]2x + 7 \leqslant - 13 \\ 2x \leqslant - 20 \\ x \leqslant - 10[/tex]
Meredith borrows $12,560 and pays 2 percent simple interest each year for 4 years. What is the total amount of interest that she will pay on the loan?
$251.20
$1,004.80
$11,555.20
$13,564.80
Meredith borrow 12,560 so if you do some basic calculations, %2 of that is 251.20 dollars of interest per year
The total amount of interest she will pay for 4 years (251.20 x 4) is 1004.80 dollars for 4 years.
your welcome :)
6. How are slope and rate of change similar ? ( use complete sentence to explain )
Answer:
Finding Rate of Change. When finding the slope of real-world situations, it is often referred to as rate of change. “Rate of change” means the same as “slope.” If you are asked to find the rate of change, use the slope formula or make a slope triangle.
Step-by-step explanation:
What does the graph show?
A. Every hour, 3 miles is traveled
B. The graph starts at 3 miles.
C. After 8 hours, the distance is 7 miles.
D. Every 2 hours, 1 mile is traveled.
you can choose more than one answer....
Answer:
B. the graph starts at 3 miles
Answer:
B
Step-by-step explanation:
hope this helps!
true or false 0.625 = 62.5% = 5/8
Answer:
true
Step-by-step explanation:
Answer:
It true
Step-by-step explanation:
I need it done asapp
they can be arrange differently. yes they matter only in some cases like fractions, division, and subtraction.
NEED HELP MATH QUESTION
An ant has a mass of approximately 4 x 10-3 grams and an elephant has a mass of approximately 8 x 106 grams.
An ant can lift up to 100 times its mass. How much can the ant lift? Express answer in scientific notation.
Answer:
sup have you googled it?
Step-by-step explanation:
Mass of elephant/mass of ant = 8x10^6/4x10^-3 = 2x10^9. Therefore, mass of elephant = 2x10^9 times mass of ant.
Answer:
7x10^9
Step-by-step explanation:
Help me out please, And answer both, Thank you so much, and enjoy your day!
Answer:
The first exercise:
Is:
Right triangle.
And the second exercise:
Is:
B. II and III
Can someone help me I suck at these I have
8x divided by 2 x = 1/2
and
56k divided by 2k k = 3
In ΔABC, point M is the midpoint of side AB and point D is the midpoint of segment MC. Prove that the area of ΔADC= the area of ΔBMD
Tom is making a meatloaf with 5/9 pound of turkey and 5/6 pound of ground beef. Find the total number of pounds of meat?
Answer:
1 7/18
Step-by-step explanation:
Helpppp please?? tysm
Answer: d.
Step-by-step explanation:
use the numbers -4, -1, 3/2, or 2/3 to write an expression that is less than -4
Answer:
-4+ -1 = -5 which is less that -4
(12.9−3.1)×6.2−2+[tex]4^{3}[/tex]
Answer:
122.76
Step-by-step explanation:
Please help me with this question
Answer:
The answer is C
Step-by-step explanation:
A) 64.25 - 7.71 = $56.54
B) 72.00 - 14.40 = $57.60
C) 68.75 - 12.38 = $56.38
D) 67.50 - 10.13 = $57.38
help, answer again pls
Answer:
the correct answer is C
Step-by-step explanation:
A number line going from 0 to 4 in increments of 1.
There are 3 equals spaces between each number.
Find: 11/3 ÷ 2/3
The quotient is 5 and _____.
A number line going from 0 to 4 in increments of 1.
There are 3 equals spaces between each number.
Find: 11/3 ÷ 2/3
The quotient is 5 and _____.
Answer: 1/2
Step-by-step explanation:
I got this correct. <3
In the number line, 11/3 ÷ 2/3 is [tex]5\frac{1}{2}[/tex], The quotient is 5 and 1/2.
What is a number line?A number line is a one-dimensional horizontal line where we can represent any real number. The origin of the number line is represented by zero left to it are all negative real numbers and right to it are all positive real numbers.
Given, A number line going from 0 to 4 in increments of 1 and there are 3 equal spaces between each number.
Therefore, 11/3 ÷ 2/3.
= 11/3 × 3/2.
= 11/2.
This can be written as [tex]5\frac{1}{2}[/tex].
So, The quotient is 5 and 1/2.
learn more about number line here :
https://brainly.com/question/13425491
#SPJ2
0.23,19%,1/5 least to greatest
Please help!
Answer:
19% then 1/5 then .23
Step-by-step explanation:
Your answer would be 19%, 1/5, 0.23.
1/5 equals 20% of 1
0.23 equals 23% of 1
I'll give you brainlest if you can solve this one! I need STEP, please read the question.
Answer: 1.)= -26 , 2.)= 4 , 3.)= -20 4.)=2 5.)=48 6.)=20 7.)=68 If my answer is correct can you please choose the brainlest. GOOD LESSONS ♡
Henry’s baseball team needs new equipment each new baseball will cost 5.50$ And each new bat will cost 14.95 how much will the team spend if they buy 8 new baseballs and 2 new bats
Answer:
73.9
Step-by-step explanation:
multiply 5.50 by 8 and 14.95 by 2
EDIT: then add the products together
What is the function rule represented by the following table?
x y
0 3
1 -1
2 -5
A. y = -3 x
B. y = -2 x - 1
C. y = -2 x + 1
D. y = -4 x + 3
Answer:
D. y = -4x + 3
Step-by-step explanation:
x y
0 3 -4(0) + 3 = 3
1 -1 -4(1) + 3 = -1
2 -5 -4(2) + 3 = -5
What is 78.852 rounded to the nearest tenth?
Answer:
78.9
Step-by-step explanation:
sense the hundredth place is 5 or higher
Answer:
78.9
Step-by-step explanation:
The tenth is the first number after the decimal, so you would round up since the number next to it is a 5.
Please help me on this.
Answer:
The third option. (the one where it intersects on the y line)
Step-by-step explanation:
If you solve for the system of equations, you will find that it is (0,3), so it intersects on the y line. Additionally, it is on the top because it is positive.