Answer:
= −3x + 60
Step-by-step explanation:
3(20−x)
=(3)(20+ −x)
=(3)(20) + (3)(−x)
=60 − 3x
= −3x + 60
Sorry, I'm Late.
Hope This Helps!
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someone help solve it please
Answer: 10
Step-by-step explanation:
The x-intercepts means when y equals 0, or when the function crosses the x-axis.
0 = (x-6)^2 - 16
16 = (x-6)^2
Take the square root of both sides:
4 = (x-6)
Add 6 to both sides to get:
x = 10
There are 24 students in a classroom.
1/3 of the students are wearing a red shirt.
1/4 of the students are wearing a blue shirt.
Everyone else is wearing a white shirt.
How many students in the classroom are wearing a white shirt?
Answer:
You would divided.
Step-by-step explanation:
You would first divided every step until you get the answer I am new so I am not going to tell you the answer but first solve it out and if you need anymore htlp then come back and ask.
*How can I find the sum of -5 + 12 using a vertical number line? *
A. Start at 5 and move 12 units down. -5 + 12 = -7
B. Start at 12 and move 5 units up. -5 + 12 = 17
C. Start at 5 and move 12 units up. -5 + 12 = 17
D. Start at -5 and move 12 units up -5 + 12 = 7
A student did an experiment to determine the number of letters recognized on an eye chart to see if it was affected by distance. What is the independent and dependent variable in this experiment?
Answer:
Independent variable: distance
Dependent variable: number of letters recognized on an eye chart
Step-by-step explanation:
Independent variables are stand-alone. This means that it does not depend on another variable but affects the dependent variable.
Dependent variables are dependent on another variable. When the independent variable changes, dependent variables are changed.
Since the hypothesis is that the distance affects the number of letters recognized,
the distance causes a change in the number of letters recognized not the other way around.
Thus, the dependent variable is the number of letters recognized on the eye chart while the independent variable is the distance.
Answer:
x and y
plz mark brainliest
What is the solution to this system?
-- 3x + 5y - 4z = 10
2 x – 5y + z = 0
- 3x + 5y – 2z = -2
y =
Answer:
x= -8, y= -6/5, z= -6
Step-by-step explanation:
that is the answer
Barry made the model to show multiplying a fraction by a fraction. Which multiplication sentence does the model show? A grid with 3 rows of 6 columns showing 18 squares total. The 12 squares in the top two rows are shaded yellow, the 15 squares in the first 5 columns are shaded blue. The shading overaps to make green in 10 squares. 13×23=29 26×56=518 13×26=19 23×56=59
Given:
Number of rows = 3
Number of columns = 6
Number of square boxes = 18
yellow square boxes in the top two rows = 12
Blue square boxes in the first 5 columns = 15
Number of green boxes (shading overlaps) = 10
To find:
The model to show multiplying a fraction by a fraction.
Solution:
2 rows out of 3 are shaded yellow.
Fraction for yellow = [tex]\dfrac{2}{3}[/tex]
5 columns out of 6 are shaded blue.
Faction for blue = [tex]\dfrac{5}{6}[/tex]
10 out of 18 squares are green.
Faction for green = [tex]\dfrac{10}{18}=\dfrac{5}{9}[/tex]
Now,
[tex]\dfrac{2}{3}\times \dfrac{5}{6}=\dfrac{10}{18}[/tex]
[tex]\dfrac{2}{3}\times \dfrac{5}{6}=\dfrac{5}{9}[/tex]
Therefore, the correct option is D.
The correct option is D.
The calculation is as follows:
2 rows out of 3 are shaded yellow.
Fraction should be [tex]2\div 3[/tex]
Now
5 columns out of 6 are shaded blue.
Fraction should be [tex]5 \div 6[/tex]
And,
10 out of 18 squares are green.
Fraction should be [tex]10 \div 18 = 5\div 9[/tex]
Now
[tex]\frac{2}{3} \times \frac{5}{6} = \frac{10}{18}\\\\ \frac{2}{3} \times \frac{5}{6} = \frac{5}{9}[/tex]
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what is 4 2/8 as a percent
Answer:
425%
and
4.25
(4 2/8) × 100%
= 425%
= 4.25
Answer:
425%
Step-by-step explanation:
(4 2/8) × 100%
= 425%
= 4.25
HELP PLEASE !!!
What is the vertex of this parabola?
y-5 = x^2?
====================================================
Work Shown:
y-5 = x^2
y = x^2 + 5 ... add 5 to both sides
y = 1x^2 + 5
y = 1(x-0)^2 + 5 ... x replaced with (x-0)
The equation is now in the form y = a(x-h)^2 + k
We have a = 1, h = 0, k = 5.
The vertex is (h,k) = (0,5)
The value of 'a' determines how vertically stretched or compressed the parabola is. Also, if a > 0, then the parabola opens upward; or if a < 0, then the parabola opens downward.
Gabi tried to solve an equation step by step.
i
10
80
j
10
10 = 80 · 10 Step 1
j = 800
Step 2
Find Gabi's mistake.
Answer:
didn’t make a mistake
Step-by-step explanation:
Answer:
Step 3
Step-by-step explanation:
I got it right and that's all that matters
Can u answer part A and C
Answer:
B should be 12 since 63,66/5,25 is approx. 12,12
What are the options for the dropdowns so I can make sense of it ?
Step-by-step explanation:
PLEASE HELP WILL MARK BRAINLIEST
Answer:
a. 5 eggs b. 2 eggs every 20 crepes c they will need 2 eggs for every 20 crepes d 5 eggs 8 eggs
Step-by-step explanation:
i have not done this in a while
Please help me solve these question the best answer gets brainlest!
Answer:
Q.13 66.66, Q.14 0.141 cm
Step-by-step explanation:
Two cups are mathematically similar. The larger cup has capacity 0.5 litres and height 8cm. The smaller cup has capacity 0.25 litres. Find the height of the smaller cup
Answer:
The smaller cup has a height of 4cm
Step-by-step explanation:
The two cups have a proportional relationship. This means that the since the smaller cup has a capacity that is half of the larger cup, the height will also be half of the larger cup height.
.25 is half of .5
_ is half of 8
Hope this helped!
URGENT PLEASE I URGENTLY NEED HELP I REALLY DONT WANT TO FAIL
Answer:
Yes, it should work.
Step-by-step explanation:
DC=AB (because it is a rectangle and they are parallel)
DA=CB (because it is a rectangle and they are parallel)
DB=AC (given)
Those are all sides and gives enough information for us to know that it is congruent.
What is the value of x?
Answer:
x = 8
Step-by-step explanation:
Δ RST is equiangular since all 3 sides are congruent, thus
Each angle in the triangle is 60° , then
7x + 4 = 60 ( subtract 4 from both sides )
7x = 56 ( divide both sides by 7 )
x = 8
helppp
britney has already run 10 miles on her own, and she expects to run 3 miles during each track practice. how many track practices would it take for britney to run 40 miles
Answer:
It would take her 10 track practices to get up to 40 miles.
Step-by-step explanation:
12
Paul Simmons earns $47,500 as an office manager. If his company issues
weekly paychecks, how much is each check?*
Answer:
$913.46
Step-by-step explanation:
$47,500 / 52 = 913.46
r equals x squared over y
Answer: r = x^2/y
Step-by-step explanation: hope this helps! :)
if the radius of a ball is 8 cm then calculate its area
Answer: 804.25 cm sq.
Step-by-step explanation:
A = 4 π r^2
A = 4 π 8^2
A = 4 π 64
A = 804.25 cm sq.
What is the GCF ( greatest common factor) of 16 and 36?
Answer:
4
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
The factors of 16 are: 1,2,4,8
The factors of 36 are:1,2,3,4,6,9,12,18
4 are in both sets and is the highest so the GCF=4
Please help, i don’t know what to do
Answer:
12
Step-by-step explanation:
We just need to divide the number of laps to the number of swimmers to find the unit rate.
240 / 20 = 12
216 / 18 = 12
168 / 14 = 12
108 / 9 = 12
Best of Luck!
Answer: 12
Step-by-step explanation:
Sorry I don't like to show my work.
Which of these strategies would eliminate a variable in the system of equations?
x – 2y = 11
5x + 3y = -11
Choose all answers that apply:
A. Add the equations.
B. Multiply the top equation by -5, then add the equations.
C. Multiply the top equation by 5, then add the equations.
Answer:
yes because a is the answer
Step-by-step explanation:
In Crestview Middle School, 12 out of 16 students are right handed. If there are 400 students in the school, how many are right handed?
Answer:
the answer is 300
Step-by-step explanation
there are 16 people so we divide that by the total number of students
400 divided by 16 = 25
since there are 12 right handed in each group we multpily it by 12
25 x 12 = 300
and theres your answer!
find the product 18x342
Bella went to a pumpkin patch.The owner told her that there were 400 pumpkins in the patch.Bella counted all the white pumpkins and found 112 were white.What percent of the pumpkins were not white?
solve for y thank you
Answer: y = 1
Step-by-step explanation:
9x + (3 x 1) = 12
URGENT PLS HELPPPPP
13. A square has a side length of 4 centimeters. What is the length of the diagonal of the
square? What is the length from the corner to the center of the square? Explain.
14. During a soccer game, Player A is 87 feet from
the goal but chooses to pass the ball to Player B
who is 63 feet away from Player A. How far
Answer:
13)to find the length of the diagonal of a square, multiply the length of one side by the square root of 2
Help!!
Which is equivalent to 5/1215^x
On Monday, Sarah has to meet her friend at the park after school The distance from her house to school is 2x+5 The distance from the school to the park is z If the total distance she was that day is 10x +9 how far is it from the park back to her
house?
Answer:
8x + 4 - z
Step-by-step explanation:
Given the following :
The distance from her house to school is 2x+5 The distance from the school to the park is z If the total distance she was that day is 10x +9 how far is it from the park back to her
Distance from house to school = 2x + 5
Distance from school to park = z
Total distance covered = 10x + 9
Distance from park to house =?
Total distance = (distance from house to school + distance from school to park + distance from park to house)
Let p = distance from park to house
10x + 9 = (2x + 5 + z + p)
10x + 9 - 2x - 5 - z = p
8x + 4 - z
If 2(4x-7)=22, then 8x-14=22