Answers
Answer:
The number of text messages is 85 ⇒ B
Step-by-step explanation:
To solve this question
Assume that the number of the text message is x and the total cost is yMake a linear equation represented each plan, then equate their total cost (y) to find the number of the text message (x)The form of the linear equation is y = m x + b, where
m is the rateb is the initial valuePlan A:
∵ The fee per message is $0.10
∴ m = 0.10
∵ The monthly fee is $35
∴ b = 35
∴ The total cost y = 0.10 x + 35
Plan B:
∵ The fee per message is $0.30
∴ m = 0.30
∵ The monthly fee is $18
∴ b = 18
∴ The total cost y = 0.30 x + 18
∵ Both plans cost is the same for one month
→ Equate the right sides of the two equations
∴ 0.30 x + 18 = 0.10 x + 35
→ Subtract 0.10 x from both sides
∴ 0.30 x - 0.10 x + 18 = 0.10 x - 0.10 x + 35
∴ 0.20 x + 18 = 35
→ Subtract 18 from both sides
∴ 0.20 x + 18 - 18 = 35 - 18
∴ 0.20 x = 17
→ Divide both sides by 0.20
∴ [tex]\frac{0.20x}{0.20}=\frac{17}{0.20}[/tex]
∴ x = 85
∴ The number of text messages is 85
Related Questions
2.) state the equation for y
Answers
Answer:
y = 2^(x - 4)
Step-by-step explanation:
f(g(x)) = f(x - 4) = 2^(x - 4)
The mean of four numbers is 2.6
One of the four numbers is 5
Find the mean of the other three numbers.
Answers
Answer:
Step-by-step explanation:
the "mean" just means the "average"
So if the average of four numbers = 2.6
To find the total of the four numbers, you would multiply 2.6 by 4.
2.6 x 4 = 10.4
One of the four numbers is 5. (given in the question)
This means that the total of the remaining three numbers is:
10.4 - 5 = 5.4
Then divide 5.4 by 3 to find the average of the 3 numbers.
Mean of the other 3 numbers = [tex]\frac{5.4}{3}[/tex] = ?
Find the slope of the line that passes through the points: (1, 1) and (7, 5) . If you get stuck , try plotting the points on graph paper and drawing the line through them with a ruler.
Answers
Answer:
2,3
Step-by-step explanation:
The slope of the line that passes through points (1, 1) and (7, 5) is 2/3.
What is slope ?Slope is a notation that shows that a surface of which one end or side is at a higher level than another surface.
The formula for slope of a line that passes through two points (x₁.y₁) and (x₂,y₂) is,
y₂ - y₁ = m(x₂ - x₁)
The given points are, (1, 1) and (7, 5).
The slope of the line is given by formula m = (y₂-y1)/(x₂-x₁)
m= (5-1)/(7-1)
m = 4/6
m = 2/3
The slope of the line that passes through points (1, 1) and (7, 5) is 2/3.
To know more about Slope on :
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OHHHHHHHHHHHHHH WHO LIVES IN A PINEAPPLE UNDER THE SEA _______?
Answers
Answer:
Sponge Bob Square Pants!
Absorbent and yellow and porous is he.
Sponge Bob Square Pants!
If nautical nonsense be somethin' ya wish.
Sponge Bob Square Pants!
Then drop on the deck and flop like a fish.
Sponge Bob Square Pants!
Ready?
Sponge Bob Square Pants,
Sponge Bob Square Pants,
Sponge Bob Square Pants,
Sponge Booob Square Paaants!
Ah Ha Ha, Ha Ha Ha, Ha, hArgh wh..arire..Ha arrrigh.
Step-by-step explanation:
HELP PLEASE , ASAP ; 100 POINTS
Answers
Answer:
icoles
Step-by-step explanation:
Answer:
It's 31x
Step-by-step explanation:
Add the numbers up.
Work out the value of X
Answers
Answer:
x = 39
Step-by-step explanation:
3x - 15 + 2x + 2x + 2x +24 = 360
9x = 360 + 15 - 24
9x = 351
x = 39
27=p(1+r3) solve for r
Answers
p = 27
r = 0
p(1+r3) = 27
27(1+0(3)) = 27
27(1+0) = 27
27(1) = 27
27 = 27
will give brainlist
Answers
Hope this helped I only did like 1 lesson on functions
Answer:
B is the correct answer I the math hopes this helped!
Simplify the fraction
198/264
as much as possible
Answers
Answer:
What is 198/264 Simplified?
3/4 is the simplified fraction for 198/264.
Step-by-step explanation:
Answer:
3/4.
Step-by-step explanation:
Find the prime factors:
198 = 2 * 99
99 = 3 * 3 * 11
So 198 = 2 * 3 * 3 * 11.
264 = 4 * 66 = 2 *2 * 66
66 = 2 * 3 * 11
So 264 = 2 * 2 * 2 * 3 * 11.
Now we find the Greatest common factor os the 2 numbers:
It is 2 * 3 * 11 = 66.
Therefore we can now simplify the fraction:
198/66 / 264/66
= 3/4.
5x- 13x - 44 = 2 please help!!!!!!!!!!!!!
Answers
8x=46
X=5.75
Same thing I just put it in decimal form
j(2x+9) m(6x-1)
i don’t get this at all
Answers
Answer:
omg that one is hard but it is 18j-6m
8x+15 =2 (4x)
im on a test please help
Answers
Answer:
Impossible
Step-by-step explanation:
the answer is 8x so you have 15 on limbo
lol
............ ............ .....
Which is the graph of y=x^2-4x+4?
Answers
Which function is graphed below? pls help
Answers
Answer:
its b Brother
Step-by-step explanation:
The ratio of Green marbles to total marbles in a bag is 2 to 9. The ratio of red marbles to total marbles in th same bag is 1 to 3 which of the following statements is true
Answers
y = 3x + 3
Is this non linear
Answers
It is linear. Not non-linear. The line goes straight, even if it has a y axis, it does not curve and the change in y is constant and same each time.
What is 5.389 rounded to the nearest hundredth
Answers
Answer:
To round 5.389 to the nearest hundredth means to round the numbers so you only have two digits in the fractional part. We use the following rules to round 5.389 to the nearest hundredth: A) If the last digit in the fractional part of 5.389 is less than 5, then simply remove the last the digit of the fractional part.
Step-by-step explanation:
3 /10 4/ 8 which one is bigger?
Answers
Answer:
4/8
Step-by-step explanation:
3/10 is 0.30 and 4/8 is 0.5
A proportion often shows the relationship between:
Answers
Answer:
It compares two numbers that can represent many of things. For example, people, food & items.
Step-by-step explanation:
Devon made a scale drawing of a triangle. He used a scale factor of [tex]\frac{1}{4}[/tex] to draw the new triangle. How does each side of the new triangle compare to the original?
A) Each side of the new triangle is [tex]\frac{1}{4}[/tex] the length of each side of the original
B) Each side of the new triangle is [tex]\frac{1}{12}[/tex] the length of each side of the original
C) Each side of the new triangle is 4 times the length of each side of the original
D) Each side of the new triangle is 12 times the length of each side of the original
Answers
Answer:
D
Step-by-step explanation:
Step-by-step explanation
Answer: D:))
I took the test
what is 1.25x1.19 pls hurry
Answers
T-shirts
$7.50
Shorts
$9.00
Windbreakers
$12.25
If she will buy 35 T-shirts, 45 pairs of shorts, and 25 windbreakers, what will be her total cost?
$958.75
$973.75
$1,021.25
$1,038.75
Answers
Answer:
$973.75
Step-by-step explanation:
7.50x35=262.5
45x9.00=405
25x12.25=306.25
If you add all the sums together you would get $973.75
PLEASE HELP ME!! WILL MARK BRIANLIEST!
Answers
Answer:
462
Step-by-step explanation:
15 x 11 + 33 x 9 = 462
100% sure gimme brainliest please thanks
Answer:
Its 462
Step-by-step explanation:
Evaluate 3XG for G =9
Answers
Functionally important traits in animals tend to vary little from one individual to the next within populations, possibly because individuals who deviate too much from the mean have lower fitness. If this is the case, does variance in a trait rise after it becomes less functionally important? Billet et al. (2012) investigated this question with the semicircular canals (SC) of the three-toed sloth (Bradypus variegatus). The authors proposed that since sloths don't move their heads much, the functional importance of SC is reduced, and may vary more than it does in more active animals. They obtained the following measurements of the ratio of the length to width of the anterior SC in 6 sloths. Assume this represents a random sample. In other, more active animals, the standard deviation of this ratio is 0.09.
Answers
Answer:
The 95% confidence interval for the standard deviation is (0.14, 0.54).
Step-by-step explanation:
The complete data and question is:
Sloth CW Ratios ; {1.5 , 1.09 , 0.98 , 1.42 , 1.49 , 1.25}
The 95% confidence interval for the standard deviation of this data is < σ < (two decimals - include the leading zero) .
Solution:
Compute the sample standard deviation as follows:
[tex]\bar x=\frac{1}{n}\sum x=\frac{1}{6}\times 7.73=1.2883\\\\s=\sqrt{\frac{1}{n-1}\sum (x-\bar x)^{2}}=\sqrt{\frac{1}{6-1}\times 0.2387}=0.2185[/tex]
The (1 - α)% confidence interval for the variance is:
[tex]CI=\frac{(n-1)s^{2}}{\chi^{2}_{\alpha/2}}<\sigma^{2}<\frac{(n-1)s^{2}}{\chi^{2}_{1-\alpha/2}}[/tex]
Confidence level = 95%
⇒ α = 0.05
The degrees of freedom is,
df = n - 1 = 6 - 1 = 5
Compute the critical values of Chi-square:
[tex]\chi^{2}_{\alpha/2, (n-1)}=\chi^{2}_{0.025,5}=12.833\\\\\chi^{2}_{1-\alpha/2, (n-1)}=\chi^{2}_{0.975,5}=0.831[/tex]
*Use a Chi-square table.
Compute the 95% confidence interval for the variance as follows:
[tex]CI=\frac{(n-1)s^{2}}{\chi^{2}_{\alpha/2}}<\sigma^{2}<\frac{(n-1)s^{2}}{\chi^{2}_{1-\alpha/2}}[/tex]
[tex]=\frac{5\times (0.2185)^{2}}{12.833}<\sigma^{2}<\frac{5\times (0.2185)^{2}}{0.831}\\\\=0.0186<\sigma^{2}<0.2873\\\\=\sqrt{0.0186}<\sigma<\sqrt{0.2873}\\\\=0.1364<\sigma<0.5360\\\\\approx 0.14<\sigma<0.54[/tex]
Thus, the 95% confidence interval for the standard deviation is (0.14, 0.54).
Olivia chose 10/21 . How did she get that answer?
Answers
What is the value of x? Round to the nearest tenths place.
Answers
Answer:
ok x should be 30
Step-by-step explanation:
-7x+3y=1 and 3y+12=-6
Answers
Answer:
the sums are given in explainationhope you like the answerplease mark the answer as brainliestWhich of the following are exterior angles? Check all that apply.
Answers
The answer is A, D, and F.
We have given that the following are exterior angles.
What is the exterior angle?
The angle between a side of a polygon and an extended adjacent side. an angle formed by a transversal as it cuts one of two lines and is situated on the outside of the line.
Therefore, The answer is A, D, and F.
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Answer: D, F
Step-by-step explanation:
The answer is D: <2 and F: <4
Convert 255 mL to L / Convertir 820 cm a m
Answers
Answer:
255 mL = .255 L
Step-by-step explanation:
820 cm = 8.2 m
