Answer:
f(x) = 5x - 30
Yes it is a function
Step-by-step explanation:
Because when you input 0 you get -30 we know it starts at 0 or (0,-30). This gives us b in the equation y = mx + b.
We know that for every 4 cars washed it increases by 20. So 20/4 is 5. This tells us m = 5.
Plug it all in and you get y = 5x - 30 or f(x) = 5x - 30
quick answer please!!
Answer:
I think the last one is correct
Math. Find Mid point and fx
Answer: Option B.
Step-by-step explanation:
When we have an interval with lower bound m and upper bound M, such that:
m ≤ x ≤ M
The mid-point is:
(m + M)/2
in this case, we have:
m = 22
M = 27
then the mid-point is:
(22 + 27)/2 = 24.5
and we know that f = 7, then:
f*x = f times the mid-point = 7*24.5 = 171.5
The correct option is B.
-Write 2 ∙ 2 ∙ 2 in exponential notation.
-Rewrite 3 ∙ 4 ∙ 4 ∙ 4 ∙ 5 ∙ 5 using exponential notation.
-Write (−24) ∙ (−24) ∙ (−24) in exponential notation.
- Rewrite 19 ∙ 19 ∙ 19 ∙ 25 using exponential notation.
PLEASE ANSWER WITH CORRECT ANSWERS I REALLY NEED THIS GRADE PLEASE PLEASE PLEASE ;/
Answer: the first one is 2^3
The second one is 3 * 4^3 * 5^2
The third I do not know
The last one is 19^3 * 25
Step-by-step explanation:
Please help me how do I solve and draw the problem ?
Answer:
Side of the rhombus is 12 cm. Let d1 = 2x cm , so d2 = 2x+6 cm
Now, 12^2 = x^2 + (x+3)^2 = 2x^2 + 6x+9 = 144, or
2x^2 + 6x-135=0, or
x^2+3x-67.5 = 0
x1 = [-3 +(9+270)^0.5]/2
= [-3+279^0.5]/2
= [-3+16.70329309]/2 = 6.851646544 cm [x2 will be negative and so inadmissible]
So d1 = 2x6.851646544 = 13.70329309 cm and d2 = 19.70329309 cm.
So the area of the rhombus is 13.70329309x19.70329309/2 = 135 sq cm.
I need help on this question someone please help. x/4=-12 (this says x divided by 2 equals -8). Explain how you would solve for x and what you would get. I’m in 7th grade so can someone make it easy to read like at the explaining part thanks.
2) The number of rose blooms in Betty's garden is 24 more than the number of blooms in May's garden. There
are at least 135 rose blooms in Betty's garden. How many blooms are possible in May’s garden?
Answer:
There are at least 111 rose blooms in May's Garden.
Step-by-step explanation:
135-24 is 111 and Betty doesn't have a maximum of rose blooms so that means she can have an infinite amount but it also means that may can't have less than 111.
Please let me know if I am incorrect
I’m so confused can someone help me?
Answer:
Step-by-step explanation:
7. 15/10 = 24/18
900 ≠ 240
not similar
8. 4/6 = 9/15
54 ≠ 60
not similar
9. x/24 = 9/40
x= 5.4
10. 8.7/x = 6/16
6x = 139.2
x = 23.2
x = 18.7
11. 24/9 = x/45
9x = 1080
x = 120 feet
5/6 + (-4/9) - (-2), is this right??
Answer:
YES SIR OR I MEANT YES MAM
I need help please!!
2x + 3x + 3x + 12 = 180° [Sum of all angles of a triangle is 180°]
=> 7 x = 180° - 12°
=> 7 x = 168°
=> x = [tex]\frac{168}{7}[/tex]°
=> x = 24°
[tex]\\[/tex]
? = 2x + 3x
=> 2×24° + 3×24°
=> 48° + 72°
=> 120°[tex]\\\\\\[/tex]
HOPE IT HELPS
PLEASE MARK ME BRAINLIEST ☺️
Find the errors and correct the following mathematical sentences.
Answer:
The correct answers are:
xii) (x+7)(x+7)
=x^2 +7x +7x +49
=x^2 +14x +49
xiv) (x+4)(x+2)
=x^2 +2x +4x +8
=x^2 +6x +8
xvi) 5x^3 ÷ 5x^3
=1
Answer:
This is your answer ☺️☺️
Find the errors and correct the following mathematical sentences.
something is wrong with 4th one.
I solved it as 5x.
A bag contains 3 red marbles, 8 blue marbles and 7 green marbles. If three marbles
are drawn out of the bag, what is the probability, to the nearest 100oth, that all three
marbles drawn will be green?
Answer:
There would be a 44.4% chance of drawing all blue marbles
Step-by-step explanation:
7+3+8=(total marbles) (8=the amount that are blue in the total 8/18=44.4%
(2) what is being cooked in a preserve cooker?
Answer:
Rice and other items are being cooked in pressure cookers
I hope it helps you
Hey guys I need help asap
A salesman earns 15% commission on each household appliance he sells. If he sells 6 toasters at $32 each, what is the commission that he earned?
Answer:
$28.8
Step-by-step explanation:
6x32=192
15% of 192 is 28.8
Can someone help me? I’ll reward points + brainalist
Answer:
The answer is B.
Answer:
b) A = π ([tex]5^{2}[/tex])
Step-by-step explanation:
area = π [tex]r^{2}[/tex]
diamter
⇒ 10
radius is half of the diameter
⇒ 10 ÷ 2 = 5
area = 3.14 × [tex]5^{2}[/tex]
please hurry.-. and if u can give all answers to the lesson
Why do we have to do school
Which function could be represented by the graph on the
coordinate plane?
Answer:
where is the graph?
Step-by-step explanation:
MY TEAS GONE COLD I WONDERJNV WHY I GOT OUTTA BED ALONE HELP PLEASE
Answer:
54
Step-by-step explanation:
2/3(7-16)^2
2/3(-9)^2
2/3*81
54
] Consider a randomly shuffled deck of ten cards labeled {1, 1, 2, 2, 3, 3, 4, 4, 5, 5}, of which game play requires three to be drawn. Which one should be worth more points: A getting a pair of matching cards within the three, or B getting a set of three cards that can be arranged such that the sum of two of them is the value of the third (e.g. 1 2
Answer:
B should be worth more points.
Step-by-step explanation:
Given - Consider a randomly shuffled deck of ten cards labeled
{1, 1, 2, 2, 3, 3, 4, 4, 5, 5}, of which game play requires three
to be drawn.
To find - Which one should be worth more points:
A getting a pair of matching cards within the three,
or B getting a set of three cards that can be arranged such
that the sum of two of them is the value of the third.
Proof -
Given that, three cards has to be drawn.
So, total number of ways the card be drawn = ¹⁰C₃
= [tex]\frac{10!}{3! (10-3)!}[/tex]
= [tex]\frac{10!}{3! 7!}[/tex]
= [tex]\frac{10.9.8.7!}{3! 7!}[/tex]
= [tex]\frac{10.9.8}{3.2.1}[/tex]
= 120
⇒¹⁰C₃ = 120
Now,
Given that, A getting a pair of matching cards within the three
Sample space = { (1,1,2), (1,1,3).(1,1,4),(1,1,5);
(2,2,1),(2,2,3),(2,2,4),(2,2,5);
(3,3,1),(3,3,2),(3,3,4),(3,3,5);
(4,4,1),(4,4,2),(4,4,3),(4,4,5);
(5,5,1),(5,5,2),(5,5,3),(5,5,4) }
⇒n(A) = 20
Also,
B getting a set of three cards that can be arranged such that the sum of two of them is the value of the third
Sample space = { (1,1,2),(1,2,3),(1,3,4),(1,4,5),(2,2,4),(2,3,5) }
⇒n(B) = 6
Now,
P(A) = [tex]\frac{20}{120} = \frac{1}{6}[/tex] = 0.167
P(B) = [tex]\frac{6}{120} = \frac{1}{20}[/tex] = 0.05
We can see that, P(B) < P(A)
⇒B should be worth more points.
jessica wondered if elementary school students tend to write more when they are given
full question plsAnswer:
Step-by-step explanation:
Just wondering does anyway else do vava? 8th grade
Answer:
I have heard of it but I myself do not
Answer:
What's vava just wondering also your in 8th grade?
What is the area of this?
I need step by step
Answer:
Driveway Area = 218 square feetGarden Area = 230 square feetTotal Area = 448 square feetSee diagram below.
====================================================
Explanation:
Start at the lower left corner of the entire figure. Move 20 ft directly to the right until reach the end of the driveway at the bottom. Now move 10 ft up so you reach the other side of the driveway (the 26 ft side). In the process of moving 10 ft up, mark a new line segment. I've done so in red in the diagram below.
I've also drawn a green box. The red line and green box form a shape of a flag on a flagpole. The pole being 10 ft tall and the green box (flag) is a 6 by 3 rectangle. The 6 is from 26-20 = 6 and the 3 is from 10-7 = 3. Note how I'm subtracting the opposite side values to help figure out the dimensions of this green box.
The 10 ft by 20 ft portion of the driveway is 10*20 = 200 square feet. The green box adds on another 18 sq ft because 6*3 = 18. In all, we have 200+18 = 218 square feet for the driveway.
-------------------
If you want to know the area of the garden, then we first compute the overall area of everything shown. That's 32*14 = 448 square feet. Subtract off the driveway's area to get 448-218 = 230. Therefore, the garden's area is 230 square feet.
Need help please in number 5
Answer:
HL (Hypotenuse-Leg)
x = 13
Step-by-step explanation:
hypotenuse GJ is shared by both triangles.
∠H and ∠K are right angles so they are right triangles.
leg HG = leg KG
so HL theorem
x + 5 = 8
x = 13
(Right angle, hypotenuse and side theorem)
By this theorem GK = GH ,
=> x + 5 = 8
=> x = 8-5
=> x = 3HOPE IT HELPS
PLEASE MARK ME BRAINLIEST ☺️
please help
a) Complete the table for the graph of y = 0.98 for values of x from 0 to 5
(2)
0
1
3
X
2
4
5
y
(1
b) Which of the following could be the graph of y = 0.94 ?
B.
A
C
Total marks
C C
Answer:
Either B or C but i'll have to say B if I had to choose.
Step-by-step explanation:
[tex] {0.9}^{0} = 1[/tex]
[tex] {0.9}^{1} = 0.9[/tex]
[tex]0.9 ^{2} = 0.81[/tex]
[tex] {0.9}^{3} = 0.729[/tex]
[tex] {0.9}^{4} = 0.6561[/tex]
[tex] {0.9}^{5 } = 0.59049[/tex]
As we can tell it decreases slowly.
Solve for b.
5b – 8 = 4 – b
b = [?]
Enter
raiz ( 8 sobre 5 , o )dominio es b e r rango y e r intercepcion vertical (0,-8)
WILL MARK BRAINLEST AND WILL GET 5 STARS REVIEW
Tom’s Taxis charges a fixed rate of $4 per ride plus $0.50 per mile. Carla’s Cabs does not charge a fixed rate but charges $1.00 per mile.
a. Write an equation that represents the cost of Tom’s Taxis.
b. Write an equation that represents the cost of Carla’s cabs.
Answer:
a. y= 4 + 0.50x b. y= 1.00x
Step-by-step explanation:
Answer:
a. y = 0.5x +4 b. y = x
Step-by-step explanation:
a. Tom’s Taxis charges a fixed rate of $4 per ride plus $0.50 per mile.
m = $0.50 per mile
b = $4 per ride
y = 0.5x +4
b. Carla’s Cabs does not charge a fixed rate but charges $1.00 per mile.
m = $1 per mile
b = $0 per ride
y = x
What is the center and radius of the circle with the given equation x^2 + y^2 + 14x - 12y +69 = 0
Answer:
Center is (7,-6)
Our radius is 4
Step-by-step explanation:
Subtract 69 to both sides
Complete the square of the x terms and y terms.
[tex] {x}^{2} + 14x[/tex]
[tex] {y}^{2} - 12y[/tex]
(To complete the square divide the coefficient by 2 and square it).
[tex] (\frac{14}{2} ) {}^{2} = 49[/tex]
[tex]( \frac{ - 12}{2} ) {}^{2} = 36[/tex]
Add those terms to the full equation. Add 36 and 49 to the right side as well
[tex] {x}^{2} + 14x + 49 + {y}^{2} - 12y + 36 = 16[/tex]
Simplify the x and y terms into a binomial.
[tex](x + 7) {}^{2} + (y - 6) {}^{2} = 16[/tex]
Set the left side equal to zero separately to find the center and take the square root of the right side to find the radius.
[tex]x + 7 = 0[/tex]
[tex]x = - 7[/tex]
[tex]y - 6 = 0[/tex]
[tex]y = 6[/tex]
[tex]16 = {x}^{2} [/tex]
[tex]4 = x[/tex]
So our center is (-7,6)
Our radius is 4.
9(p-4)=-18 what does p equals ?
Answer:
2
Step-by-step explanation:
helppppp me please this twi
Answer:
4.) 7 : 4 = 36[g] : x [g]
7 * x [g] = 4 * 36 [g]
7 * x [g] = 144 [g]
x [g] = 144 [g] / 7
x [g] ≈ 20, 57 [g]
5.) 3:2 250
3x + 2x =250
5x=250
x=50
3x=3*50=150
2x=2*50=100