2x – 2y = 24
4x + 7y = –40
Answers
Answer:
Step-by-step explanation:
Related Questions
system of inequalities is shown.
The graph shows a dashed upward opening parabola with a vertex at 1 comma negative 4, with shading inside the parabola. It also shows a dashed line passing through the points negative 1 comma 1 and 0 comma 4, with shading above the line.
Which system is represented in the graph?
y ≥ x2 – 2x – 3
y ≤ 3x + 4
y < x2 –2x – 3
y > 3x + 4
y < x2 – 2x – 3
y > 3x + 4
y > x2 – 2x – 3
y > 3x + 4
Answers
Answer:
y > x² – 2x – 3
y > 3x + 4
Step-by-step explanation:
took the test, this is the only answer choice that matches the image of the graph shown in the problem. hoped this helped.
Answer: c y < x2 – 2x – 3y > 3x + 4
Step-by-step explanation: it correct
19= 7a + 7 -2 what is the and to this need help ASAP
Answers
Answer:
a = 2
Step-by-step explanation:
19= 7a +5
19-5=7a
14÷7=a
a=2
What polynomial must be subtracted from 2x^3 − x^2 + 4x − 5 so that the difference is
x^3 + 2x − 9?
Answers
How do I solve this I am confused? (-2x-1)-(x-7)=
Answers
Answer:
1x-8
Step-by-step explanation:
What are the examples of union of events?
Answers
Step-by-step explanation:
That is, the event A ∪ B will occur if either A or B occurs. In Example 4.1(a), if A = {g} is the event that the child is a girl and B = {b} is the event that it is a boy, then A ∪ B = {g, b}.
Associative law: (E ∪ F)∪G = E ∪ (F ∪ G)
Distributive law: (E∪F)G=EG∪FG
Commutative law: E ∪ F = F ∪ E
Are there any outliers in the data? What does the outlier mean?
Answers
Answer:
44, definition below
Step-by-step explanation:
An outlier is a number that is much larger or smaller than the general populous of numbers. For example, if there was a dot plot with dots clustered at 2, 3, and 5, but there was one or two dots around 10, then 10 would be considered an outlier.I would consider 44 to be an outlier in the number set.If I am incorrect in my reasoning, please let me know so that I can plan better for my future answers. Have an amazing day.
Answer: I think it's 44
Step-by-step explanation: Outlier means the one that stands out from the rest. As you can see most of the numbers are in between 50 and 90 but 44 is not so it is 44.
Hope it helped :D
Jeff bought 6 pounds of lunch meat. He puts 1/8 pound of meat on each sub sandwich.How many sandwiches can he make?
Answers
Answer:
Jeff can make 48 sandwiches.
Step-by-step explanation:
[tex]6[/tex] ÷ [tex]\frac{1}{8}[/tex]
KCF
6 ÷ [tex]\frac{8}{1}[/tex] = 48
A bag contains 2 blue, 1 red, and 3 green marbles. You choose one marble. Without putting it back, you choose a second marble. What is the probability that you first choose a green marble and then a blue marble?
Answers
Try 75% ..... I'm not good at math at all though but that's just common sense
What instruments did the Greeks not utilise while building geometric structures?
Check all the correct answers
A. Compass
B. straightedge
C. Protractor
D. Eraser
Answers
If AABC = ADEC,
ZB = 50° and ZE = 5x
A
B
С
E
U
x= [?]
tar
Answers
Answer:
x = 10
Step-by-step explanation:
Since the triangles are congruent then corresponding angles are congruent.
∠ E = ∠ B , that is
5x = 50 ( divide both sides by 5 )
x = 10
Does anyone know the email to contact whoever you are supposed to contact for problems?
Answers
Answer:
what kind of problem? if it's for brainly, scroll to the bottom of the page and press help and you can fill out an email thing to brainly from there
Step-by-step explanation:
have a great day! I hope this helps! <3
mast3rmind~
brainliest pls, if you want :)
Answer:
Yes!
Step-by-step explanation:
https://brainly.com/app/contact
Fill that out and they would get back to you!
Brainliest appreciated! :D
Have a good day/afternoon/night!
What us the greatest common factor of 56 and 49
Answers
Answer:
7
Step-by-step explanation:
56÷7=8
49÷7=7
Answer: 7
Step-by-step explanation:
First, list the factors of 56 and 49:
56 : 1, 2, 4, 7, 8, 14, 28 and 56
49 : 1, 7 and 49
Find the greatest number that is in BOTH lists and there you go :)
Isabelle plans to line her flower garden with a decorative border. Her flower bed is 60 inches by 78 inches. The border is sold in bundles of 40 ft. How much border will be leftover once Isabelle lines her garden?
Answers
Step-by-step explanation:
I guess, the flower bed is a true rectangle, right ?
so, then, the perimeter of that rectangle is
2×length + 2×width = 2×78 + 2×60 = 156 + 120 = 276 in.
1 ft = 12 in
276 in = 23 ft
she can only buy a bundle of 40 ft.
that means she will have
40 - 23 = 17 ft left.
7.) Given f(x) = 6(x - 1). what is the value of f(-8)? * A) 42 B) -42 C) 54 D) -54
Answers
Answer:
D) -54
Step-by-step explanation:
To solve this question, simply plug in -8 for x:
f(-8)=6(-8-1)
f(-8)=6(-9)
f(-8)=-54
Hope this helps!!
0/1 Roy is going to increase the size of his patio to make room for a new BBQ grill. The ratio of the area of the old patio to the area of the new patio is 2 2 \frac{1}{4} 4 1 : 6 6 \frac{3}{4} 4 3 . Convert this ratio to a unit rate
Answers
Given:
Ratio is [tex]2\dfrac{1}{4}:6\dfrac{3}{4}[/tex]
To find:
Convert this ratio to a unit rate.
Solution:
We have,
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{2\times 4+1}{4}:\dfrac{6\times 4+3}{4}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{8+1}{4}:\dfrac{24+3}{4}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{9}{4}:\dfrac{27}{4}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{\dfrac{9}{4}}{\dfrac{27}{4}}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{9}{27}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=\dfrac{1}{3}[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}=0.333...[/tex]
[tex]2\dfrac{1}{4}:6\dfrac{3}{4}\approx 0.33[/tex]
Therefore, the unit rate is about 0.33.
PLEASE HELP AND IF YOU DO I NEED THE WORK IM SO CONFUSED
Answers
Answer:
(a) ER = 29.5
(b) SR = 29.5
(c) DR = 18.6
Step-by-step explanation:
(a) PE=ER, ES is a perpendicular bisector of PR.
(b) Tryangle SER is an isosceles triangle, therefor SR is = to ER.
(c) QD = DR, DS is a perpendicular bisector of QR.
Bisectors cut and angle or line in half.
Perpandicular means makes a 90 degree angle.
pls answer thank you :D
Answers
Answer:
1)90--63=27
2)180--50=130
3)43
4)90--29=61
5)90
Step-by-step explanation:
please mark me as brainlest
Answer:
Step-by-step explanation:
[tex]1)Solution\\\\b+63=90[Complementary\: angles]\\\\b=90-63\\\\b=27[/tex]
[tex]2)Solution\\\\b+29=90[Complementary\: angles]\\\\b=90-29\\\\b=61[/tex]
[tex]3)Solution\\\\b+60=180[Linear\: pair]\\\\b=180-60\\\\b=120[/tex]
[tex]4)Solution\\\\b=90[Vertically\:opposite\: angles]\\\\b=90[/tex]
[tex]5)Solution\\\\b=43[Vertically\:opposite\: angles]\\\\b=43[/tex]
hey, what's the ans
4(m-15)=7m+9
Answers
Step-by-step explanation:
[tex]4(m - 15) = 7m + 9[/tex]
[tex]4m - 60 = 7m + 9[/tex]
[tex] - 60 - 9 = 7m - 4m[/tex]
[tex] - 69 = 3m[/tex]
[tex]m = \frac{ - 69}{3} [/tex]
[tex]m = - 23[/tex]
Hello!
4(m-15)=7m+9
4m -60 =7m +9
-60 -9 = 7m -4m
-69 = 3m
3m = -69
m = -69/3
m = -23
A company figured it needed 68. 5 square feet of carpet for its reception room. To allow for waste, it was decided to order 40 percent more material than needed. Fractional parts of square feet cannot be ordered. At $8. 00 per square foot, how much would the carpet cost?
Answers
The total cost of the carpet purchased by the company for its reception is $767.20.
What is the total cost of the carpet?The first step is to determine the total square feet of carpet that would be bought: 1.40 x 68.5 = 95.9 square feet
Now, determine the total cost of the carpet. This can be known by multiplyig the cost per square foot by the total amount of carpet needed.
95.9 x 8 = $767.20
To learn more about how to determine total cost, please check: https://brainly.com/question/25717996
8 4/5 - 5 1/10?
PLEASE ANSWER QUICK!! D:
Answers
Answer:
3 7/10
Step-by-step explanation:
Hope this helps and good luck!
Answer: [tex]3\frac{7}{10}[/tex] or [tex]\frac{37}{10}[/tex]
Step-by-step explanation:
Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below. Follow these steps I made for you.
Step 1: Convert [tex]8\frac{4}{5}[/tex] to an improper fraction. Use this rule: [tex]a\frac{b}{c} = \frac{ac + b}{c}[/tex].
[tex]\frac{8 * 5 + 4}{5} - 5\frac{1}{10}[/tex]
Step 2: Simplify 8 × 5 to 40.
[tex]\frac{40 + 4}{5} - 5\frac{1}{10}[/tex]
Step 3: Simplify 40 + 4 to 44.
[tex]\frac{44}{5} - 5\frac{1}{10}[/tex]
Step 4: Convert [tex]5\frac{1}{10}[/tex] to an improper fraction. Use this rule [tex]a\frac{b}{c} = \frac{ac + b}{c}[/tex].
[tex]\frac{44}{5} - \frac{50 * 10 + 1}{10}[/tex]
Step 5: Simplify 5 × 10 to 50.
[tex]\frac{44}{5} - \frac{50 + 1}{10}[/tex]
Step 6: Simplify 50 + 1 to 51.
[tex]\frac{44}{5} - \frac{51}{10}[/tex]
Step 7: Find the Least Common Denominator (LCD) of [tex]\frac{44}{5}, \frac{51}{10}[/tex]. In other words, find the Least Common Multiple (LCM) of 5, 10.
LCD = 10
Step 8: Make the denominators the same as the LCD.
[tex]\frac{44 * 2}{5 * 2} - \frac{51}{10}[/tex]
Step 9: Simplify. Denominators are now the same.
[tex]\frac{88}{10} - \frac{51}{10}[/tex]
Step 10: Join the denominators.
[tex]\frac{88- 51}{10}[/tex]
Step 11: Simplify.
[tex]\frac{37}{10}[/tex]
Step 12: Convert to a mixed fraction.
[tex]3\frac{7}{10}[/tex]
~I hope I helped you! :)~
Which expressions are equivalent to 7^8 * 7? Select all that apply a: 7^3 * 7^3 b: 7^18 / 7^9 c: (7^3)^3 d: 7^4 + 7^5 e: 7^4 * 7^5
Answers
9514 1404 393
Answer:
b: 7^18 / 7^9
c: (7^3)^3
e: 7^4 * 7^5
Step-by-step explanation:
The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
(a^b)^c = a^(bc)
(a^b)/(a^c) = a^(b-c)
__
The given expression is ...
[tex]7^8\cdot7=7^8\cdot7^1=7^{8+1}=7^9[/tex]
The offered alternatives are ...
[tex]\textbf{a: }7^3\cdot7^3=7^{3+3}=7^6\quad\textbf{not equivalent}\\\\\textbf{b: }\dfrac{7^{18}}{7^9}=7^{18-9}=7^9\quad\textbf{equivalent}\\\\\textbf{c: }(7^3)^3=7^{3\cdot3}=7^9\quad\textbf{equivalent}\\\\\textbf{d: }7^4+7^5=7^4(1+7)=8\cdot7^4\quad\textbf{not equivalent}\\\\\textbf{e: }7^4\cdot7^5=7^{4+5}=7^9\quad\textbf{equivalent}[/tex]
Abby practiced her horn for 3/4 of an hour every day for 12 days?
a) How many hours did she practice in those 12 days?
b) How many minutes did she practiced in those 12 days?
Answers
The time practiced in the 12 days is an illustration of proportions
She practices a total of 9 hours in the 12 daysShe practices a total of 540 minutes in the 12 daysThe total number of hours practicedThe given parameters are:
Days = 12
Proportion = 3/4
So, the number of hours is:
Hours = Days * Proportion
This gives
Hours = 12 *3/4
Hours = 9
Hence, she practices a total of 9 hours in the 12 days
The total minutes practicedThere are 60 minutes in an hour.
So, we have:
Minutes = 9 * 60
Minutes = 540
Hence, she practices a total of 540 minutes in the 12 days
Read more about proportions at:
https://brainly.com/question/1781657
This is timed!!! It is a math equation that I am too lazy to solve.
Answers
Answer: Below
Step-by-step explanation:
Using the information, we can see that they all refer to Elena as a marker for how much they walked, directly or indirectly.
Let's use E for Elena, J for Jada, and L for Lin.
E + 4 = J
E + 6 = L
E = E
We know they all walked a total of 37 miles.
J + L + E = 37
(E + 4) + (E + 6) + E = 37
Simplify.
3E + 10 = 37
3E = 27
E = 9
Using E is 9, we find that:
Elena walked 9 miles
Lin walked 15 miles
Jana walked 13 miles
13 + 15 + 9 = 37, so our answer checks out.
We know that:
[tex]Jada + Elena + Lin = 37 \space\ miles[/tex][tex]Jada = 4 + Elena[/tex][tex]Lin = 2 + Jada[/tex]Finding the distance each walked:[tex]Jada + Elena + Lin = 37 \space\ miles[/tex]Add 4 both sides
=> [tex]Jada + Elena + 4 + Lin = 37 + 4[/tex]=> [tex]Jada + Jada + Lin = 41 \space\ miles[/tex] [tex][Jada = 4 + Elena][/tex]=> [tex]Jada + Jada + Jada + 2 = 41 \space\ miles[/tex] [tex][Lin = Jada + 2][/tex]Changing "Jada + Jada + Jada" to "3(Jada)"
=> [tex]3(Jada) + 2 = 41 \space\ miles[/tex]Subtracting 2 both sides:
=> [tex]3(Jada) = 41 - 2[/tex]=> [tex]3(Jada) = 39 \space\ miles[/tex]Divide 3 both sides:
=> [tex]3(Jada) = 39 \space\ miles[/tex]=> [tex]\frac{3(Jada)}{3} = \frac{39 \space\ miles}{3}[/tex]=> [tex]\bold{Jada} = \bold{13 \space\ miles}[/tex]Substituting the miles Jada walked into the equation "Jada = 4 + Elena"
[tex]Jada = 4 + Elena[/tex]=> [tex]13 = 4 + Elena[/tex]Subtract 4 both sides:
=> [tex]13 - 4 = 4 - 4 + Elena[/tex]=> [tex]\bold{Elena} = \bold{9 \space\ miles}[/tex]Substituting the miles Jada walked into the equation "Lin = 2 + Jada"
=> [tex]Lin = 2 + 13[/tex]=> [tex]\bold{Lin} = \bold{15 \space\ miles}[/tex]
20% of a university's 4,000 students have a scholarship
a. What percentage of the students do not have a scholarship?
b. How many students have a scholarship?
c. How many students don't have a scholarship?
Answers
a. What percentage of the students do not have a scholarship?
80% don't have a scholarship
b. How many students have a scholarship?
800 students
c. How many students don't have a scholarship?
3200 students dont have a schscholarship
Multiply. Express your answer in simplest form. 3 1/3 x 1 3/4
Answers
Answer:
5 5/6
Step-by-step explanation:
10/3 * 7/4
Answer:
5.83
Step-by-step explanation:
Or if you finish the whole problem I got Conversion a mixed number 5.833333
3 1/3 * 1 3/4 = 35/6 = 5 5/6
≅ 5.8333333
Can the sides of a triangle have lengths 9.4, 16.2, and 3.4?
Answers
Answer:
no
Step-by-step explanation:
9.4 and 3.4 to 16.2 just doesnt work.
Erik used 16 centimeters of tape to wrap 2 presents. Then, he used an additional 24 centimeters of tape to wrap another 3 presents. How many centimeters of tape does Erik use to wrap each present?
Answers
Answer:
Erik uses 8 centimeters of tape to wrap each present.
Step-by-step explanation:
16 centimeters can wrap 2 presents.
24 centimeters can wrap 3 presents.
Add both amounts of tape together to find the total amount of tape used. Then add the number of presents wrapped together.
16 + 24 = 40 centimeters
2 + 3 = 5 presents
40/5
In order to find how much tape wraps one present, divide both the top and bottom by the denominator (5)
40/5 = 8 centimeters
5/5 = 1 present
Erik uses 8 centimeters of tape to wrap each present.
$32 per hour; cents per minute
Answers
Answer:
53 cents per minute
Step-by-step explanation:
32 $ per hour
60 minutes per hour
100 cents per dollar
57:12
The vertices of a quadrilateral in the coordinate plane are known. How can the perimeter of the figure be found?
C D
VX
O Use the distance formula to find the length of each side, and then add the lengths.
O Use the slope formula to find the slope of each of side, and then determine if the opposite sides are parallel
O Use the slope formula to find the slope of each of side, and then determine if the consecutive sides are
perpendicular
O Use the distance formula to find the length of the sides, and then multiply two of the side lengths.
Mark this and retum
Save and Exit
Next
Submit
Answers
Answer: Use the distance formula to find the length of each side, and then add the lengths.
Step-by-step explanation:
To find the perimeter of this quadrilateral with known vertices: Use the distance formula to find the length of each side, and then add the lengths.
What is distance?The distance between two points is the length of the line joining the two points. Distance is a numerical or occasionally qualitative measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an estimation based on other criteria.
Here, we have,
Mathematically, the distance between points on a coordinate plane is given by this formula:
Formula: distance= √(x_2-x_1)²+(y_2-y_1)²
Where:
x and y are the vertices (points) on a coordinate plane.
Therefore, when the distance formula has been used to determine the length of of each side of the quadrilateral. You should then add the lengths of each side together.
Read more on distance formula here:
brainly.com/question/1418394
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A carpet cleaner charges $59 for a service call and $30 for each room cleaned. A customer does not want to spend more than $125 for having the carpets in his house cleaned. Choose the correct inequality for the situation and the total number of rooms the customer can afford to have cleaned.
Answers
Answer:
[tex]59 + 30c \leq 125[/tex]
2 rooms
Step-by-step explanation:
Given
[tex]Base\ Amount = \$59[/tex]
[tex]Additional = \$30[/tex] per carpet
[tex]Customer\ Budget = \$125[/tex]
Required
Write an inequality to determine the situation
Represent the number of carpets with c
First, we need to determine an expression for the cleaner's charges:
This is:
[tex]59 + 30 * c[/tex]
[tex]59 + 30c[/tex]
Since the customer's budget do not exceed $125.
This implies that the cleaner's charges must be less than or equal to the budget.
So, we have:
[tex]59 + 30c \leq 125[/tex]
Solving further: [Collect Like Terms]
[tex]30c \leq 125 - 59\\[/tex]
[tex]30c \leq 66[/tex]
Divide through by 30
[tex]c \leq 66/30[/tex]
[tex]c \leq 2.2[/tex]
Since number of rooms can't be fraction;
The maximum number of rooms the customer can afford is 2
Answer:
No sé exactamente de qué se trata el ejercicio, hay muchas respuestas posibles
Step-by-step explanation: