Answer:
x = 2 and y = -1
Step-by-step explanation:
y = -3x + 5
y = -2x + 3
-3x + 5 = -2x + 3
Add 2x to both sides;
-x + 5 = 3
Subtract 5 from both sides;
-x = -2
Divide both sides by -1
x = 2
Solve for y;
y = -3x + 5
y = -3(2) + 5
y = -6 + 5
y = -1
Solve the equation.
4n−18=5
Answer:
n = 5.75
Step-by-step explanation:
4(5.75) - 18 = 5
4(5.75) = 23
23 - 18 = 5
Therefore, n = 5.75.
Hope this helps:)
I would appreciate it if you gave me brainliest. Thanks.
According to the U.S. Geological Survey, there are over 300,000,000 cubic miles of water on the planet. How this number represented in scientific notation
0 3 x 108
0 3 x 10°
30 x 108
0 30 x 10
Answer:
3 x 10^8
Step-by-step explanation:
300,000,000 in scientific notation is 3 x 10^8 and because it’s 8 zeros
The number 300,000,000 represented in scientific notation will be 3 × 10⁸. Then the correct option is A.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
PEMDAS rule means the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
According to the U.S. Geological Survey, there are over 300,000,000 cubic miles of water on the planet.
Convert the integer number into scientific notation. Then the number can be written as,
300,000,000 = 3 × 10⁸
The number 300,000,000 represented in scientific notation will be 3 × 10⁸. Then the correct option is A.
More about the Algebra link is given below.
https://brainly.com/question/953809
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please help me yall i just wanna finish my hw and gts its due at 11:59 pm today I need help with question 14 i will mark u brainliestttt
Answer:
C
Step-by-step explanation:
Answer:
Step-by-step explanation:
your answer is C
How to Rewrite 8 + 36 as a product of their GCF and the sum of two factors
Answer:
4 (2 + 9)
Step-by-step explanation:
Given expression:
8 + 36
The greatest common factor is the highest number that divides a number:
8 and 36 ;
Factors of 8 : 1,2,4, 8
36 : 1, 2, 3, 4, 9, 18, 36
The highest common factor is 4;
8 + 36 = 4 (2 + 9)
Angad,malachy and Jim share £30 in A ratio 1:3:1 how much does each person get
Answer:
Angad=6
Malachay=3×6=18
Jim=6
Step-by-step explanation:
Angad,malachy and Jim share =£30 ratio =1:3:1
Let the part of the Angad=X
=3x
=X
So X+3x+X=30
5x=30
X=30/5
X=6
So part of Angad=6
Malachay=3×6=18
Jim=6
Step-by-step explanation:
A:M:J
1:3:1
let total amt be 5x
5x = 30
x = 6
thus, A get 6dollars , M get 18 and J 6
Topic: ratio and proportions
If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!
Which of the following relationships represents joint variation?
Answer:
y=7x
Step-by-step explanation:
that what I heard in math ok
Please help! I’ll give brainleist!
3 (6+4) +26² + (1+-4)2
Answer:
700
Step-by-step explanation:
3 times 10 plus 26 squared plus (1-4) times 2
= 3 times 10 plus 26 squared -3 times 2
=3 times 10 plus 676 minus 3 times 2
=30 plus 676 minus 6
=700!
I will mark the brainiest! Please, and thanks! :)
(For the second one, just put it down on a piece of paper and upload a pic)
Simplify the expression -7+(-3)-(-5)
I NEED HELP ASAP
Answer:
It should be -5
Step-by-step explanation:
What is the image of the point (7, -5) after a rotation of 270°
counterclockwise about the origin?
Answer:
It should be (-5,-7)
Step-by-step explanation:
I used a graphing calculator and turned it each degree till I reached 270
pls help what's 9 divided by 7432
7432/9 = 825,7777777777778 = 825,8
Answer:
825.7 (the 7 is repeating)
Step-by-step explanation:
1. Divide
2. Multiply
3. Subtract
4. Bring down
Use these four steps to divide!
What slope is perpendicular to:
m = 5/8
The slope that is perpendicular to m = 5/8 is given by; m' = -8/5
When dealing with slope - intercept form of equation of a line, the general equation is;y = mx + c
where;
m is the slope
c is the y-intercept
Now, for a line to be perpendicular to a line above that has it's slope as m, the slope of this new line will be the negative inverse of the first slope. This is; m' = -1/mApplying that to our question, it means the slope that is perpendicular to m = 5/8 is; m' = -1/(5/8) = -8/5Read more at; https://brainly.com/question/21441448
79.990 as a decimal??????? Help ASAP
Answer:
79.990 is a decimal
Lucy owns a bakery. She has 2 cakes baked and can bake 4 cakes every
hour. Write an equation for the number of cakes baked, c, in h, hours. *
equation?
Answer:
c=4h+2
Step-by-step explanation:
you start of with 2 cakes and every hour you can bake 4
Samson owes his friend
$42.75. If Samson just
got paid $167.25 and
pays back his friend.
How much money will
he have left over?
Find the value of x.
Answer:
x=95°
Step-by-step explanation:
Rita goes for a bike ride on a trail by her house. After 15 minutes of riding she sees a mile marker. When she reaches the third mile marker, she realizes that she has been biking for 30 minutes. What is the rate at which she is riding?
Given:
Rita covered 1 mile in 15 minutes.
She covered 3 miles in 30 minutes.
To find:
The rate at which she is riding.
Solution:
Let y be the number of miles covered in x minutes.
Rita covered 1 mile in 15 minutes. So, the point is (15,1).
She covered 3 miles in 30 minutes. So, the point is (30,3).
Slope of the line:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
[tex]m=\dfrac{3-1}{30-15}[/tex]
[tex]m=\dfrac{2}{15}[/tex]
Therefore, she is riding [tex]\dfrac{2}{15}[/tex] miles per minute.
-(x-3)-2=2x
will need help ASAP
Answer:
1/3 = x
Step-by-step explanation:
plz just use. okay
1/3 or 0.3
Ron’s class donated d dollars to a local charity. Danny’s class donated 21% more than Ron’s class. Which expression shows the amount Danny’s class donated in terms of the amount donated by Ron’s class?
A.
1.21d
B.
0.79d
C.
d + 0.79d
D.
d + 0.21
Answer:
+0.21
Step-by-step explanation:
Answer:
It is A
Step-by-step explanation:
Had This Question
What’s 9x38328292672
Answer:
344954634048
Step-by-step explanation:
Theres something called a caculator
Answer:
344954634048
Step-by-step explanation:
can i get brainliest
(–6)² – (–7)²
I need a step by step process.
create at least 4 fractions that are equivalent to 4/7
Need help please !!!
Will mark as brainliest!!!
Answer:
DW = 70
Given segments XW, YW, and ZW are perpendicular bisectors, the adjacent segments formed from the bisector are congruent.
All of your answers are correct, I checked!
y + 12 = y + 10 + 2
how many solutions does the equation have
Answer:
infinite
Step-by-step explanation:
the following table gives the number of people on the titanic by class and whether or not they survived gi
Answer:
Where’s the rest of the question ??
Step-by-step explanation:
The length of a rectangle is 4 inches greater than the width. The perimeter of the rectangle is 24 inches. What are the dimensions of the rectangle
Answer:
L=8, W=4
Step-by-step explanation:
2L+2W=p
2(4)+2(8)=p
8+16=24
Answer:
length = 8 in.; width = 4 in
Step-by-step explanation:
can someone help me with this
Answer:
The first one is 45 hours
The second is 1361
pls help question attached
Three times the difference of a number and 5 is the same as twice the number, decreased by 3. Find the number
Answer:
x = 12
Step-by-step explanation:
3 (x-5) = 2x - 3
3x -15 = 2x - 3
x-15 = -3
x = 12
check:
21 = 21
The number as decribed (Three times the difference of a number and 5 is the same as twice the number, decreased by 3) in the question is; 12
According to the question;
Three times the difference of a number and 5 is the same as twice the number, decreased by 3.The word problem can be written and solved as follows;
3(x - 5) = 2x -33x -15 = 2x -33x -2x = 15 -3x = 12Read more:
https://brainly.com/question/1640242