Answer:
30
Step-by-step explanation:
15s-100=350
15s=350+100
15s=450
s=450/15
s=30
Lin and Elena have discovered they have so much in common. They each have a fish tank holding 20 units of water. Whose tank holds 20 gallons, and whose holds 20 cups?
Answer: a. Lin's tank hold 20 cups and Elena's tank hold 20 gallons; I know this because gallons are greater than cups.
Step-by-step explanation:
Gallons are greater than cups so the fish tank that will hold 20 gallons would have to be the bigger one which in this case is Elena's.
With cups being lesser in quantity than gallons, the fish tank that will hold 20 cups of water will definitely have to be the smaller one which in the case is Lina's.
which equation describes a line that contains the point (4,3) and is perpendicular to the line represented by the equation y=2/5x+3?
Answer:
The equation of the line that contains the point (4,3) and is perpendicular to the line represented by the equation y=2/5x+3 will be:
[tex]y=-\frac{5}{2}x+13[/tex]Step-by-step explanation:
The slope-intercept form of the line equation
y = mx+b
where
m is the slopeb is the y-interceptGiven the line
y=2/5x+3
comparing with the slope-intercept form of the line equation
Thus, the slope of the line is: m = 2/5
We know that a line perpendicular to another line contains a slope that is the negative reciprocal of the slope of the other line, such as:
slope = m = 2/5
Thus, the slope of the the new perpendicular line = – 1/m = [-1]/[2/5] = -5/2
Using the point-slope form of the line equation
[tex]y-y_1=m\left(x-x_1\right)[/tex]
substituting the slope of perpendicular line m = -5/2 and the point (4, 3)
[tex]y-3=-\frac{5}{2}\left(x-4\right)[/tex]
Add 3 to both sides
[tex]y-3+3=-\frac{5}{2}\left(x-4\right)+3[/tex]
[tex]y=-\frac{5}{2}x+13[/tex]
Therefore, the equation of the line that contains the point (4,3) and is perpendicular to the line represented by the equation y=2/5x+3 will be:
[tex]y=-\frac{5}{2}x+13[/tex]Plis help and I’ll give brainly
Answer:
its 18
Step-by-step explanation:
plz mark brainlist
Answer:
3. 176
5. 122.2
7. 168
4. 13
6. 12.6
7. 492
Step-by-step explanation:
prove that for any value of x the expression (x-3)(x+7)-(x+5)(x-1) is negative
Answer:
you can prove it by making the first 2 expression less than the last 2 expressions
Step-by-step explanation:
(x-3)(x+7)-(x+5)(x-1)
(x-3)(x+7) < (x+5)(x-1)
x^2 +4x-21 < x^2 +4x-5
cancel out some termsthen it become -21<-5 which is true
It would be nice if y’all helped me out
Answer: 0
Step-by-step explanation:
Slope is rise/run so if the y value is stagnant (10 in this case) then the line is horizontal and has no slope
Help due today!!! Please im finna diiiieeeeee
Answer:
The equation is (20)6 = x
The answer is 120 cm
Step-by-step explanation:
A group of 19 students and adults went to the museum. The ticket price
for a student was $4 and the ticket price for an adult Iwas $10. The total
cost of the tickets for the group was $118.
The number of students in the group was
The number of adults in the group was
Answer:
7 adults, 12 students
Step-by-step explanation:
10 20 30 40 50
60 70
74 78 82 86 90
94 98 102 106 110 114 118
Find the total cost to the nearest cent $115 coat; 7% tax
Answer:
$8.05
Step-by-step explanation:
1% of $115 = $1.15
$1.15 x 7 = $8.05
look at picture, please get this done fast
Answer:
B
Step-by-step explanation:
Please help me.
Whoever answers this question right I will award them brainly.
Answer:
Step-by-step explanation:
Answer:
The correct answer is 12
the other angle also has to be 6x s
6x+6x+3x=180
15x=180
x=12
Hope This Helps!!!
How to Reduce: 12/14
Answer:
divide them both by 2 to get 6/7
Step-by-step explanation:
Answer:
Step-by-step explanation:
divide by two or a common factor
Veronica went to the local convenience store to buy bread, milk, dishwashing liquid, and paper towels. The table below shows the cost for each item, including tax. Veronica gave the cashier a $10.00 bill. The cashier handed her 3 quarters and 4 pennies in change. Veronica thought she should have received more change.
Which mathematical explanation best supports Veronica's claim?
The cashier scanned the milk twice.
The cashier scanned the bread twice.
The cashier handed out 4 pennies instead of 4 dimes.
The cashier did not scan the dishwashing liquid.
Answer:
Cashier scanned the bread twice.
Step-by-step explanation:
= 2.49 + 2.19 + 1.47 + 0.87 = 7.02
= 7.02 + 0.75 = 7.77
= 7.77 + 0.04 = 7.81
With 2 dollars and 19 cents leftover, even if the pennies were changed to dimes, youd still have only get up to 8.17 which still leaves 1 dollar and 83 cents leftover.
With that eliminated what could have the cashier miss-scanned? The paper towels are incorrect because 1.47 + 7.81 doesnt make 10 dollars
The dishwashing liquid isn't right either, because 0.87 + 7.81 doesn't make 10 dollars aswell.
The milk is also incorrect because 2.49 + 7.81 doesnt make EXACTLY 10 dollars. The bread is to correct answer bevause 2.19 + 7.81 equals exactly 10 dollars.
Hope this helps :)
Linear equation: 5(3x+9) -2x = 15x - 2 (x-5)
Answer:
There are no solutions.
Step-by-step explanation:
Let's solve your equation step-by-step.
5(3x+9)−2x=15x−2(x−5)
Step 1: Simplify both sides of the equation.
5(3x+9)−2x=15x−2(x−5)
(5)(3x)+(5)(9)+−2x=15x+(−2)(x)+(−2)(−5)(Distribute)
15x+45+−2x=15x+−2x+10
(15x+−2x)+(45)=(15x+−2x)+(10)(Combine Like Terms)
13x+45=13x+10
13x+45=13x+10
Step 2: Subtract 13x from both sides.
13x+45−13x=13x+10−13x
45=10
Step 3: Subtract 45 from both sides.
45−45=10−45
0=−35
There are no solutions.
Answer:
There are no solutions
Step-by-step explanation:
Can someone order these to least-greatest??
AWARDING BRAINIEST WHO EVER ANSWERS FIRST!!
Answer:
_1 ,0.05 ,0.1 ,2.3 ,8/7
Step-by-step explanation:
hoped I helped
A surgery patient needs to lose 24 pounds before her upcoming surgery. Your patient lost 6 ½ pounds at the first 2 week checkup and 8 2/5 pounds at the next visit. How much more does the patient need to lose to achieve the weight lose needed for surgery?
Answer:
you add 8 2/5 and 6 1/2. the common denominator is 10, and when you add, you get 14 9/10. then you subtract
24 - 14 9/10 and you get 9 1/10
help please ill give brainliest and more choose answers from the first picture
1. The Addition and Subtraction symbols ___
the terms!
Answer:
hi srry but i was having trouble with this too and the other person is maybe right
Step-by-step explanation:
Helppppl +the crown thing +12 points
Step-by-step explanation:
you should give points to x and find y
and then you will have some points of x and y
In parallelogram ABCD, diagonals AC------- and BD------- intersect at point E, AE = x + 16, and CE=5x
What is AC?
Enter your answer in the box.
Answer:
AC = 40
Step-by-step explanation:
A quadrilateral is a polygon shape with four sides and four angles. The interior angle of a quadrilateral sums up to 360°.
A parallelogram is a quadrilateral (has four sides and four angles) in which has two pair of opposite sides are parallel to each other. The diagonals of a parallelogram bisect each other.
Given parallelogram ABCD:
Diagonals AC and BD bisect each other at point E. Hence:
AC = AE + CE (line segment addition postulate)
Also:
AE = CE (diagonal BD bisects AC at point E).
Hence; x + 16 = 5x
5x - x = 16
4x = 16
x = 4
AE = x + 16 = 4 + 16 = 20; CE= 5x = 5(4) = 20
AC = AE + CE = 20+ 20 = 40
Given:
ABC
3 = 1
Prove:
AC = BC
Which of the following is the reason for line 4 in the proof?
If two angles are equal in a triangle, then the sides opposite are equal.
CPCTE
Definition of isosceles triangle.
Answer:
I think the answer would be A) If two angles are equal in a triangle, then the sides opposite are equal.
Step-by-step explanation:
I hope this helps, have a nice day :]
AB = BC
AC is the opposite side of ∠2.
BC is the opposite side of ∠1.
Opposite sides of equal angles are equal.
What is a triangle?It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.
We have,
∠3 = ∠1
From the figure, we see that,
∠3 and ∠2 are vertical angles.
Vertical angles are equal.
Now,
∠2 = ∠1
AC is the side opposite to ∠2.
BC is the side opposite to ∠1.
The sides that are opposite to equal angles are also equal.
Thus,
AC and BC are equal.
Learn more about triangles here:
https://brainly.com/question/25950519
#SPJ2
4x+5/6 = 7/2
solve for x
Answer:
4x=7/2-5/6
4x=21-5/6
4x=16/6
x=8/12
x=2/3
x=0.6666.....
15 - 1/2b = -3 What is the value
Answer:
Step-by-step explanation:
get b by itself
15-1/2b= -3
-15 -15
-1/2b=-18
multiply by -2
-1/2b=-18
*-2 *-2
b=36 ( it's positive because two negatives make a positive)
Whose statement makes sense? Whose statement is nonsense? Carla said The shaded angle represents 1/4 of the circle, Adam states the shaded angle represents 3/8 of the circle
Step-by-step explanation:
The attached figure shows a circle. In this circle, some of the part is shaded with a color.
In the figure, we have drawn lines from red color. It shows that there is 1 part shaded out of 4 parts.
Carla said The shaded angle represents 1/4 of the circle while Adam states the shaded angle represents 3/8 of the circle.
The fraction for the shaded part is 1/4. Hence, Carla is correct.
If triangle ABC is congruent to XYZ, which statement is always true
Answer:
B.
Step-by-step explanation:
BC and YZ are the two angles at the end of both equations, and will always line up in the triangle.
(hope this helps!)
Given that triangle ABC is congruent to triangle XYZ, the statement from the given options that is always true is:
B. [tex]\mathbf{\overline{BC} \cong \overline{YZ}}[/tex]
Recall:
Congruent triangles have all pairs of corresponding angles and side equal.Thus, given that triangle ABC and triangle XYZ are congruent to each other, it means that:
<A is congruent to <X
<B is congruent to <Y
<C is congruent to <Z
AB is congruent to XY
BC is congruent to YZ
AC is congruent to XZ
Therefore, given that triangle ABC is congruent to triangle XYZ, the statement from the given options that is always true is:
B. [tex]\mathbf{\overline{BC} \cong \overline{YZ}}[/tex]
Learn more here:
https://brainly.com/question/9795907
What is the slope of this ?
Answer:
Essentially, slope is rise/run. Rise is how many units up the graph, and run is how far to the left or right it goes. Rise will be negative if it's going down, and run will be negative if it's going left. There's two ways to find the slope in this case.
1. Stick to the more visual aspect of it, and count how many units up from one point to the next point. Point (1,2) is 2 units up from point (0,0). Then you count how many units right or left it goes. In this case, it's 1 towards the right. This means the rise/run comes out to be 2/1, which means the slope=2.
2. Look at the equations. y=mx+b is the linear format for these lines. y is the y coordinate, m is the slope, x is the x coordinate, and b is the y intercept (the point where x=0). These two lines have shared slope values, which means the slope for both of them is 2.
(please brainliest?)
[tex]2x^{2}+3x-20=0[/tex]
help pls
15. In a parallelogram ABCD, AB = 7.2 cm and the perpendicular from Con<br />AB is 4.5 cm find its area.
Answer: The area of the parallelogram ABCD = 32.4 sq. cm
Step-by-step explanation:
Given: In parallelogram ABCD, AB = 7.2 cm and the perpendicular drawn from C (altitude) on AB is 4.5 cm i.e.e height =4.5 cm.
Area of parallelogram = [tex](Base \times height)[/tex]
Then, Area of parallelogram ABCD = [tex]7.2\times4.5[/tex]
= [tex]32.4\ cm^2[/tex]
Therefore , the area of the parallelogram ABCD = 32.4 sq. cm
ARE THEY SIMILAR HELP!
Answer:
YES THEY ARE SIMILAR
Step-by-step explanation:
good luck!
Answer:
I'm positive they are but I dont know for sure
Two linear functions are represented in different ways. One linear function is represented by the equation y =−3x.
Answer: Y = -3x
Step-by-step explanation:not needed
HELP ASAP PLEASE 15P
Answer:
4
Step-by-step explanation:
It goes through that one on the graph
