Answer:
-3
Step-by-step explanation:
double negative = positive so the equation turns into -8+5. add 5 by going 5 spaces closer to 0 on a number line. the answer is -3.
another equation is -3-5=-8
hope this helped! =)
The dimensions of a right triangle are shown in the diagram.
What is the length of the missing side, to the nearest tenth of a centimeter?
Answer:
18.4 cm
Step-by-step explanation:
For this problem, you would use Pythagorean Theorem or a^2+b^2=c^2. Don't forget that the c in the formula is always your hypotenuse or the longest side of the triangle. The a and the b are always the legs of the triangle. (It doesn't matter which leg is which letter) The hypotenuse is also always across from the 90 degree angle. Picture the 90 degree angle as an arrow pointing to the hypotenuse. In this case, the hypotenuse (or c) is 20.7 cm. Now all you have to do is plug and chug! I hope this helps you and thanks for asking your question!!
Please show the steps you use :)
What are the coordinates of the vertex for f(x) = 3x^2 + 6x + 3? (1 point)
Group of answer choices
(−1, 0)
(3, 6)
(0, −1)
(6, 3)
Answer:
vertex = (- 1, 0 )
Step-by-step explanation:
Given a parabola in standard form
f(x) = ax² + bx + c ( a ≠ 0 )
Then the x- coordinate of the vertex is
x = - [tex]\frac{b}{2a}[/tex]
f(x) = 3x² + 6x + 3 ← is in standard form
with a = 3, b = 6 , then
[tex]x_{vertex}[/tex] = - [tex]\frac{6}{6}[/tex] = - 1
Substitute x = - 1 into f(x) for corresponding y- coordinate of vertex
f(- 1) = 3(- 1)² + 6(- 1) + 3 = 3(1) - 6 + 3 = 3 - 6 + 3 = 0
vertex = (- 1, 0 )
Factorise -x^2-20x-100
Answer:
(x+10)(x+10) or (x+10)^2
Step-by-step explanation:
Divide by -1 first
a=1
b=20
c=100
Since a*c whose sum is b...
1*100=100
10*10=100 and adds to 20
The answer is (x+10)(x+10) or (x+10)^2
a bag contains 300 balls. 96 balls are yellow. Which answer shows both the correct proportion and the correct percent of yellow balls in the bag.
The proportion of yellow balls in the bag is 8/25 and percentage is 32 %
What is Percentage and Proportion?
A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %
The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.
Given data ,
The number of balls in the bag = 300
The number of yellow balls in the bag = 96
The proportion of yellow balls =
The number of yellow balls in the bag / The number of balls in the bag
The proportion of yellow balls = 96 / 300
= 24 / 75
= 8 / 25
Therefore , The proportion of yellow balls in the bag is 8 / 25
Now ,
The percentage of yellow balls in the bag =
Number of yellow balls in the bag / Number of balls in the bag x 100 %
The percentage of yellow balls in the bag = ( 8 / 25 ) x 100 %
= 8 x 4 %
= 32 %
Hence ,
The proportion of yellow balls in the bag is 8/25 and percentage is 32 %
To learn more about percentage and proportion click :
https://brainly.com/question/12662837
#SPJ5
HELP ASAP FOR BRAINLIST CROWN
Which function has the greater y-intercept? What is that value?
-10
4
10
3
16
Function A; 1.5
Function B; 30
Function B; 23
Function B; 3
8
2
Function A; 1
Function B; 1
Function A; 9
Answer:
function A;1
function B:30
Find the equation of the line, whose slope is 5 and x- intercept is 2
Answer:
Step-by-step explanation:
when x intercept is points given, then y = 0
So far, you have y = 5x + b where b = the yintercept
x = 2
y = 0
0 = 5x + b
0 =5 * 2 + b
0 = 10 + b Subtract 10 from both sides.
-10 = b
Equation: y = 5x - 10
what type of triangle is ABC,give reasons
Answer:
ABC in the given figure is an equilateral triangle, its all sides are equal. AB = BC = CA. (i) A triangle in which all the three angles are acute is called an acute angled triangle
Name the algebraic property demonstrated in the example below:
(2 + x) + y = 2 + (x + y)
Answer:
0
Step-by-step explanation:
0
Elena sold ice cream at the fair. One day she sold one-third of the gallons of vanilla ice cream that she had, and then gave away 3 more gallons of vanilla ice cream. At the end of the day, she had one gallon of vanilla ice cream left. Write an equation to find how many gallons of vanilla ice cream Elena had at the beginning of the day.
Answer:
Nn seem xjjxjjxncjicucdjxklzkjcjfnfklcocjcnndjcicjcnmdjdjxjxjcjcjckckckkckcmcjdjcjceujesjkxmcmckkckckckckckckStep-by-step explanation:
Fand the most part in 2? the best. I think you are awesome. edit! edit on your post? edit! I cut off a bit of payer
Graph this equation on the coordinate plane. y=−2x+4
The rental rate for a power washer has a one time fee of $60 plus $20 for each day of the rental. The graph shows the points representing the total cost of the rental.
Write an equation, in slope-intercept form(y = mx + b) that models the total cost of the rental over time.
ALOT OF PTS
The equation of the rental rate in slope-intercept form(y = mx + b) that models the total cost of the rental over time is; C = $20t + $60.
The slope intercept form of a linear equation takes the form; y = mx + c.
In this scenario;
The one-time fee, $60 represents the y-intercept of the rental rate equation.The daily charge, $20 represents the slope of the rental rate equation.Ultimately, the rental rate equation is; C = $20t + $60
Read more:
https://brainly.com/question/19215850
The sum of 7 angles of a decagon is 1170°. The 3 sides are equal to each other. Calculate the size of the other 3 angles.
Answer:
180.....1888888888888888
Answer:
90 degrees
Step-by-step explanation:
Decagon interior angles: 1,440 degrees
1440 - 1170 = 270
270/3 = 90
Write the slope-intercept form of the equation of the line through the given point.
Through: (-4, -5) and (4, 2)
Answer:
y = mx + b.
y = 7/8x - 3/2
Step-by-step explanation:
Hope this helps!! :))
find the greatest common factor (GCF) of the given pair of numbers using any of the following methods: listing,prime,factorization and continuous division
16 and 24
10 and 30
14 and 28
20 and 40
9 and 18
10 and 50
25 and 75
12 and 48
18 and 72
50 and 100
2. Sammy served lunch for table 7. The total came to $55. The customers gave a 15% tip to Sammy. How much was his tip?
Answer:
$3.85
Step-by-step explanation:
55 x 0.07 = 3.85
Multiply the total by 7%, which is the tip, giving you the amount tipped, $3.85
pls answer this for meeee
Answer:
7 hamsters at 5 pesos each and 13 hamsters at 8 pesos each
Step-by-step explanation:
5x + 8y = 139
x + y = 20
x = 20 - y
5x + 8y = 139
5(20 - y) + 8y = 139
100 - 5y + 8y = 139
100 + 3y = 139
3y = 139 - 100
3y = 39
3y/3 = 39/3
y = 13
x + y = 20
x + 13 = 20
x = 20 - 13
x = 7
WILL GIVE 25 POINTS TO WHO EVER ANSWERS THIS QUESTION PLEASE HELP ME
The first three terms of a geometric sequence are
-2, 8 ,-32
Find the next two terms of this sequence.
Answer:
128, -512
Step-by-step explanation:
The sequence is multiplying by -4
Answer:
128, -512
Step-by-step explanation:
Multiply by -4
.
Which of the following expressions is equivalent
31622
to
3/27 3/2
o 3.3.16
3/27.16
79. 19. 2
O
3
DONE
Answer:
a.18
b.162
c.9 3radical2
help pls need help show your solution and then graph
Answer:
Step-by-step explanation:
We can use the quadratic formula or factor, This looks hard to factor so we should use the quadratic formula.
ax^2 + bx + c
so
a=4
b=-9
c=2
you can try it by hand or use this:
https://www.calculatorsoup.com/calculators/algebra/quadratic-formula-calculator.php
you get x=2 and x=0.25 these are the x intercepts (where Y is zero and where the graph crosses the x axis)
so mark x=2 and x=0.25 with a dot on a number line and you can draw a straight line between them since that is the part of the graph that is below the x axis (because the equation has <0) it is a positive parabola because the "a" value is positive and the presence of a "b" value means part of the graph will be below the x axis
What is 16 divided by 132.16
Can some one help quickly. Please show work
Answer: the answer is 2
Step-by-step explanation:
do y’all know the title to the song that’s like do do dodo do do
Answer:
BABY SHARK DOO DOO DOO BABY SHARK DOO DOO DOO BABY SHARK DOO DOO DOO BABY SHARK
Step-by-step explanation: 6.9 billion views and 2019 altogether
Answer: Maybe Megalovania?
Step-by-step explanation:
2.9. What is the equation of a line parallel to 3x + 4 = y and passing through
(4,-2)?
A. 3x + 10 = y
B. 3x – 14 = y
C. -*-=y
D. --*x+10=y
Hello! (:
3x+4=y
We want to convert it into slope-intercept form:
y=mx+b
Our equation looks like this:
y=3x+4
Now, parallel lines have the same slope. So if one line has a slope of 3, the line parallel to it has a slope of 3 as well.
Now, we have the slope and a point, so we write the equation in point-slope form:
y-y1=m(x-x1)
y-(-2)=3(x-4)
y+2=3x-12
y=3x-12-2
y=3x-14
Hence, that is the required equation, Hope it helps you!
If you have any question or query, feel free to ask! (:
~An excited gal
[tex]SparklingFlower (:[/tex]
The sum of two numbers is 88. The larger number is 16 more than the smaller number. What is the smaller number?
Answer: please mark me brainliest
28
Step-by-step explanation:
you half 88 you get to 44 and then you add 16 that is 60. 88 subtract 60 is 28
Hello everyone how are ya‘ll help plz
23x+4=30
Answer:
= 26/23
Step-by-step explanation:
I need help, answering this!
Answer:
The length is 15.71 feet.
Step-by-step explanation:
I am really confused
Answer:
the answer is (B) 66 inch .
graph the line y=3(x+3)+4
Answer:
Check out the image below the explanation.
Step-by-step explanation:
1. First, let's simplify the equation.
[tex]y = 3(x) + 3(3) + 4[/tex] [tex]y = 3x + 9 + 4[/tex] [tex]y = 3x + 13[/tex]2. Since the equation is y = 3x + 13:
The y-intercept is 13.For every 1 unit we go to the right, we go 3 units up.Now, here's the graph!
Can someone help me with this? I'll give you fifteen points
Answer: i can help you but i need to know what plot a is does it show on the graph
Step-by-step explanation:
How many times greater is 3.9*10^-4 than 7.8 10^-6
Answer:
50
Step-by-step explanation:
i am sure for that.it is so easy
Answer:
50 times greater than 7.8×10^-6
Step-by-step explanation:
[tex]\frac{3.9•10^{- 4}}{7.8•10^{- 6} \\\\\\ \frac{3.9}{7.8}•10^{- 4 -(- 6)} \\\\\\\ \frac{1}{2}•10^{- 4 + 6} \\\\\\ \frac{1}{2}•10^2 \\\\\\ \frac{1}{2}•100 \\\\\\ \frac{100}{2} \\\\\\ 50[/tex]
I hope I've helped you.
