Answer:
R. 25m + 10b = 400
Step-by-step explanation:
25m: $25 for time the mow the lawn
10b: $10 for every hour that they babysit their younger brother
400: They need $400 in total
+ : You need to add what they made for mowing the lawn and for babysitting.
: Brianna’s teacher asks her which of these three expressions are equivalent to each other. Expression A: 6x + 4 Expression B: 12x + 4 Expression C: 5x + x + 4 Briana says that all three expressions are equivalent because the value of each one is 4 when x = 0. Do you agree or disagree with Brianna?
Answer:
I disagree with Brianna.
Step-by-step explanation:
Expression A: 6x + 4
6(0) + 4
4
6(1) + 4
6 + 4
10
6(2) + 4
12 + 4
16
Expression B: 12x + 4
12(0) + 4
4
12(1) + 4
12 + 4
18
12(2) + 4
24 + 4
28
Expression C: 5x + x + 4
5(0) + (0) + 4
4
5(1) + (1) + 4
5 + 1 + 4
10
5(2) + (2) + 4
10 + 2 + 4
16
It is true that when you substitute the “x” in each expression with 0, you get 4. However, when you sustitute a different number, like 1 or 2, you get completely different answers. In order for these expressions to all be equal, they have to all get the same answer each time. Yet, notice how both expressions A and C got the same answer every time. This is because when you simplify expression C, you get 6x + 4 (when you add together 5x and x). Therefore, expressions A and C will always be equivalent.
6. Yogurty's sells 63 gallons of ice cream and yogurt a week. One-third of that is chocolate flavored.
a) How many gallons of chocolate flavor do they sell a week? _
b) How many gallons are other flavors? _
Answer:
21 chocolate flavored and 42 other flavors
Step-by-step explanation:
[tex]63 \times \frac{1}{3} = 21 \\ 63 - 21 = 42[/tex]
Please help I’ll mark brainliest
Answer:
y-intercept: (0,-4)
x-intercept: (-9,0)
Step-by-step explanation:
To find the y and x intercepts, simply plug in 0 for x or y in the equation.
y-intercept:
[tex]-\frac{4}{3} x - 3y = 12[/tex]
[tex]-\frac{4}{3} (0) - 3y = 12[/tex]
[tex]0 - 3y = 12[/tex]
[tex]-3y = 12[/tex]
[tex]y = -4[/tex]
(0,-4)
x-intercept
[tex]-\frac{4}{3} x - 3y = 12[/tex]
[tex]-\frac{4}{3} x - 3(0) = 12[/tex]
[tex]-\frac{4}{3} x - 0 = 12[/tex]
[tex]-\frac{4}{3} x = 12[/tex]
[tex]-4x = 36[/tex]
[tex]x = -9[/tex]
(-9,0)
Which of the expressions below is equivalent to 4x^2 / 12x^2-4??[tex]: 4x^2/ 12x^2 - 4[/tex]
Answer:
b
Step-by-step explanation:
Please help meh its on edge
Answer:
Area is 24, while the height is 6 and the base is 4
Step-by-step explanation:
Answer:
Base=4 cm, Height=6 cm, Area=24 cm sq.
Step-by-step explanation:
I hope this helps! Have a great rest of your day!
There are 110 calories per 177.4 grams of Cereal X. Find how many calories are in 238.5 grams of this cereal
Answer: 147.87 calories
Step-by-step explanation:
Let the amount of calories in 238.5 grams of this cereal be represented by x.
Based on the information given, we can form an equation as:
110/177.4 = x/238.5
Cross multiply
177.4 × x = 238.5 × 110
x = (238.5 × 110) / 177.4
x = 147.87
Therefore, there are 147.87 calories in 238.5 grams of this cereal.
Practice question — Given the trapezoid to the right find the length of legs in the following isosceles trapezoid
Given:
A figure of an isosceles trapezoid with bases 18 and 24, and the vertical height is 4.
To find:
The legs of the isosceles trapezoid.
Solution:
Draw another perpendicular and name the vertices as shown in the below figure.
From the figure it is clear that the AEFD is a rectangle. So,
[tex]EF=AD=18[/tex]
Since ABCD is an isosceles trapezoid, therefore in triangle ABE and DCF,
[tex]AB=DC[/tex] (Legs of isosceles trapezoid)
[tex]AE=DF[/tex] (Vertical height of isosceles trapezoid)
[tex]m\angle AEB=m\angle DFC[/tex] (Right angle)
[tex]\Delta ABE\cong \Delta DCF[/tex] (HL postulate)
[tex]BE=CF[/tex] (CPCTC)
Now,
[tex]BE+EF+FC=BC[/tex]
[tex]2BE+18=24[/tex]
[tex]2BE=24-18[/tex]
[tex]2BE=6[/tex]
[tex]BE=3[/tex]
Using Pythagoras theorem in triangle ABE, we get
[tex]Hypotenuse^2=Perpendicular^2+Base^2[/tex]
[tex](AB)^2=(AE)^2+(BE)^2[/tex]
[tex](AB)^2=(4)^2+(3)^2[/tex]
[tex](AB)^2=16+9[/tex]
[tex](AB)^2=25[/tex]
Taking square root on both sides, we get
[tex]AB=\pm \sqrt{25}[/tex]
[tex]AB=\pm 5[/tex]
Side length cannot be negative. So, [tex]AB=5[/tex].
Therefore, the length of legs in the given isosceles trapezoid is 5 units.
Find the value of x.
Find the volume of the cylinder to the
nearest hundredth. Use 3.14 for A.
Answer:
169.65 cm^3
Step-by-step explanation:
Chad wants to plant daisies in his new planter. How much potting soil should he buy to fill the
planter?
Assume that t = 3.14.
Answer:the answer is 2.713inches3
Step-by-step explanation:
How I know I just did This problem and get it correct
Carla has a scooter worth $3,890. Her computer is worth $600. She owes $700 on her scooter and $497 on her credit card. Her personal property has a value of $2,100. She has $3,000 in her bank accounts and a mutual fund valued at $4,800. She wants to take out a $2,600 loan to buy some new appliances. The value of the appliances after purchase will go down 20%. Complete the explanation of how the purchase of the appliances will change Carla's net worth.
Answer:
will change by 12% because of the loan.
Step-by-step explanation:
Explain how to find the slope of a line that passes through (-2, -4) and (7, -3)
Answer:
1/9
Step-by-step explanation:
slope = rise/run
slope = (-3--4)/(7--2)=1/9
y = 8 ∙ 3^x for x = 4 20 POINTS
Answer:
648
Step-by-step explanation:
8×3^4=648
8×81=648
I need help with this!
Answer:
5 11/24
Step-by-step explanation:
Answer:
please stop using my art
Step-by-step explanation:
i am unable to message you but you are using my art as a profile picture and am asking you to change it.
this is my old SC: kumorizorai_sky (asteriskP old account) which is also the image source. and i dont even care if i get banned. i need you to change it.
Michelle and James get a total of £30 a year.How much do they get every month?
just for fun
Answer:
none
Step-by-step explanation: they get it each year not month, ummm right
y = 3x + 8
8x + 4y = 12
the diagram shows a track composed of a rectangle with a semicircle on each end. the area of the rectangle is 4,000 square meters. what is the perimeter of the track?
Answer:14400
160
=
90
Step-by-step explanation: 90
⋅
π
=
90
π
→
If you are using an approximation such as 3.14 for
π
, multiply that by 90
Add
160
⋅
2
to the circumference since the lengths of the rectangle are also part of the perimeter.
160
⋅
2
=
320
90
π
+
320
Will give brainliest! I need serious help with this
Answer:
A. Base edge
B. Lateral edge
C. Height
D. Base
E. Lateral face
I would appreciate Brainliest but no worries.
x 110= 7,305
Please show work if you can
Answer:
OKAY SO:
Step-by-step explanation:
7305 divided by 110 = 66.4090909091
so just to make sure its correct u do
66.4090909091 times 110 = 7305
Brianna rolls two number cubes labeled 1–6. What is the probability that Brianna rolls a sum of 5?
Answer: [tex]\dfrac{1}{9}[/tex]
Step-by-step explanation:
Given
Brianna roll two cubes labeled 1-6
To get a sum of 5, sample space is
[tex]n(s)=\{(1,4),(4,1),(2,3),(3,2)\}[/tex]
No of the elements in [tex]n(s)[/tex] is 4
The total outcomes possible is 36
[tex]\therefore \text{Probability }P=\dfrac{4}{36}\\\Rightarrow \dfrac{1}{9}[/tex]
someone check my answer please
please helpppppppppp
Answer:
x=20 y=34
Step-by-step explanation:
x+14=2x-6
x=20
(20)+14=y
y=34
help me ;-; its due today
Answer:
Question? It's incomplete.
Answer:
Ur question, pls??? Itz incomplete.
DAVID PLZ HELP LAST ONE
Answer:
1.D
2.c
Step-by-step explanation:
f(m/4)=8(m²/16)-4(m/4)
=m²/2-m
f(-4)=-3(-4)²+5(-4)
=-3(16)-20
=-48-20
=-68
Answer:
THE ANSWER IS 68
Step-by-step explanation:
PLEASE HELP - Basketballs used in NBA games all have a diameter of approximately 912 in. inches. About how many cubic inches of air is contained in the spherical ball?
The price of an item has dropped to $98 today Yesterday it was $140. Find the percentage decrease
Answer:
30%
Step-by-step explanation:
30% of 140 is 98
Help
Please help me
Answer:
Step-by-step explanation
The answer is D I did this before in 8th grade Im in Oxford
Keisha took out a loan for 10,500 and was charged simple interest at an annual rate of 8.8%. The total interest she paid on the loan was $462. How long was the loan for, in months?
Answer: 6 months
Step-by-ste
462=(10,500)(0.88)t
462=924t
462/924=t
0.5=t
So the loan was 0.5 year's
Since we assume that there are 12 months in a year, the loan was 0.5 .12=6 months
Question 5 (1 point)
Which statement about segregation in Arkansas following Reconstruction is true?
The United States Supreme Court supported segregation.
O Governor Clayton put a stop to segregation.
Only public transportation was segregated
The federal government resisted efforts to segregate.
Answer:
Step-by-step explanation:
The answer is the United states Supreme Court suported segreation
60% of the class was present today. If 12 students were present, how many total students are there in the class
Answer:
20
Step-by-step explanation:
20
Answer:
20
Step-by-step explanation:
Proportions
12 = 60%
E = 100%
E = 12*100/60
E = 20
