Answer:
[(6 + x) / 13+x] = 0.65
7
Step-by-step explanation:
Given that:
Total number of games = 13
Number of correct prediction = 6
Number of correct predictions needed to raise prediction % to 65%
(Number of correct predictions) / (total number of games) = 0.65
Let x = number of additional consecutive correct predictions
[(6 + x) / 13+x] = 0.65
Where x = number of consecutive predictions required
6 + x = (13 + x) * 0.65
6 + x = 8.45 + 0.65x
x - 0.65x = 8.45 - 6
0.35x = 2.45
x = 2.45 / 0.35
x = 7
7 consecutive correct predictions
The ratio of the weight of copper and zinc in an alloy is 3:2. Find the weights of copper and zinc in the alloy of 140g.
Answer:
Given the ratio of copper and zinc in an alloy is 5:3.
Let weight of copper and zinc be 5x and 3x.
Then according to the problem we have,
5x=30.5
or, x=6.1
Then weight of zinc is 3×6.1=18.3 g.
pls give brainlist
Step-by-step explanation:
-x+5-5x=8 pls help and I’ll give brainlluest
Answer: x = -1/2
-x + 5 - 5x = 8
⇔ -6x + 5 = 8
⇔ -6x = 3
⇔ x = 3/(-6) = -1/2
Step-by-step explanation:
Answer:
option 4
x=-1/2Step-by-step explanation:
-x +5-5x=8
-6x= 3
x= -1/2Xavier created a scatterplot and a trend line for data that he collected by comparing the number of minutes he spent playing a game and the number of levels he passed.
According to the graph, which combination of minutes played and levels passed seem most likely to be possible?
A) 2 minutes played and 3 levels passed
B) 17 minutes played and 35 levels passed
C) 20 minutes played and 9 levels passed
D) 50 minutes played and 19 levels passed
Answer:
Option (C)
Step-by-step explanation:
By using regression line calculator,
Equation of the regression line will be,
y = 0.4881x - 0.85714
Here y = Levels passed
x = Number of minutes played
Now we can check every option given.
Option (A)
For x = 2 minutes,
y = 0.4881(2) - 0.85714
= 0.11906
≈ 0.1
False.
Option (B)
For x = 17 minutes,
y = 0.4881(17) - 0.85714
= 8.2971 - 0.85714
= 7.44
≈ 7th level
False.
Option (C)
For x = 20 minutes
y = 0.4881(20) - 0.85714
= 9.762 - 0.85714
= 8.9
≈ 9th level
True.
Option (D)
For x = 50 minutes,
y = 0.4881(50) - 0.85714
= 24.405 - 0.85714
= 23.54786
≈ 24th level
False.
Therefore, Option (C) will be the correct option.
Answer:
c
Step-by-step explanation:
Find the area of the figure
Answer:
45 I'm pretty sure. so it 45
Answer:
The figure is 5.5in^2.
Step-by-step explanation:
To find the area of the triangle portion, we will use the formula for area of a triangle, [tex]\frac{bh}{2}[/tex], where b = base and h = height.
So lets find our variables,
b = 3
h = 3
So we can plug that into our equation and find the area,
3 · 3 = 9 and 9 ÷ 2 = 4.5
So the area of the triangle is 4.5in^2
To find the area of the square portion, we will use the formula for the area of a square or rectangle, l · w, where l = length and w = width
So lets find our variables,
l = 1
w = 1
So 1 · 1 = 1in^2
To find the total area we will add the areas of the two components together,
4.5 + 1 = 5.5in^2
So the area of the total figure is 5.5in^2.
Which answer choice shows 7.931 rounded to the nearest half?
A. 7
B. 7.5
C. 8
D. 8.5
what value of r gives the line passing through (3,2) and (r,-4) A SLOPE OF 3/2
Answer:
(-6,-4)
Step-by-step explanation:
to get to -4 from 2 you have to subtract 6, making the slope x/6 but you said the slope is 3/2. divide 6 by 2 and you get 3. 3x3=9 making the slope 9/6. simplify and you get 3/2
please help I will mark brainlest and give 40 points
Answer:
15 is the slope and 70 is the y-intecpet
Step-by-step explanation:
-3y + 8x = 36
6x + y = -21
Answer:
x=−27/26
and y=−192/13
Step-by-step explanation:
6x+y=−21;8x−3y=36
Step: Solve6x+y=−21for y:
6x+y=−21
6x+y+−6x=−21+−6x(Add -6x to both sides)
y=−6x−21
Step: Substitute−6x−21foryin8x−3y=36:
8x−3y=36
8x−3(−6x−21)=36
26x+63=36(Simplify both sides of the equation)
26x+63+−63=36+−63(Add -63 to both sides)
26x=−27
26x
26
=
−27
26
(Divide both sides by 26)
I really need help please I will mark you as brainlist
Answer: 30
Step-by-step explanation:
i need help plz i need 100 or imma fail plz help me
Answer:
B
Step-by-step explanation:
PLS GIVE BRAINLIEST
Answer:
B
Step-by-step explanation:
The triangle reflects over the y-axis ,which is the vertical line, and then has a translation 2 units down
ASAP HELP ME!!!!!!!
1. How can you distinguish between linear and exponential functions?
2. How do increasing linear functions and exponential growth functions compare?
3. Give an example of a linear function and an exponential function.
Answer:
1. Linear functions are written in the form [tex]mx+b[/tex] whereas exponential functions are written in the form [tex]b^{x}[/tex].
2. Increasing exponential growth functions will rise much quicker than increasing linear functions.
3. Example of a linear function: [tex]y=2x+1[/tex], example of an exponential function: [tex]f(x)=3^{x}[/tex]
Step-by-step explanation:
Answer:
Linear functions are written in the form whereas exponential functions are written in the form .
Step-by-step explanation:
HELPPPP FASTTTT
PLEASEEEEEEEEEEEE
Answer:
Function A has a greater slope than Function B.
Step-by-step explanation:
An easy way to solve this would be to graph function B and see which line is steeper. The steeper line always has greater slope.
Answer:
A
Step-by-step explanation:
its function would be y=4x+2
Find the domain and range of the following function f(x) = 31x + 71 - 2?
Domain. [-2.0) Range: (-0,00)
O Domain: (-2,0) Range: (-800,9)
Domain: (-0.00) Range: (-2,0)
Domain. (-0.00) Range: (-2,0)
I need help asap!
Answer: domain and range are all real numbers!
Step-by-step explanation:
WHOEVER ANSWERS FIRST GETS BRAINLIEST
A regular six-sided number cube is rolled 300 times. Select the outcomes that are
expected to occur about 50 times.
O A. A number greater than 4 is rolled.
B. 3 is rolled.
O C. A number less than 2 is rolled.
O D. An odd number is rolled.
E. 5 is rolled.
I need helppp
Identify the slope and y-intercept.
m=
b=
Answer:
the slope is 1/8 or 8/1 and the b=7 i think hope this helped and correct me if i am wrong
Step-by-step explanation:
The formula for area of a triangle is given by: A=bh/2 Rearrange the formula to solve for b
Answer:
b = 2A
h
Step-by-step explanation:
A=bh/2
2A = bh
b = 2A
h
Answer:
b=(2a)/h
Step-by-step explanation:
Multiply both sides by 2
2A=bh
Divide both sides by h
(2a)/h=b
Find the slope of each line from the graph.
Answer:
a. 1/2
b. 5/3
c. 0
d. undefined
Step-by-step explanation:
i need to find the slope for these two lines if right you’ll get brainlist
Answer:
both negative 1 over two
Step-by-step explanation:
Answer:
-10/5 for green line aka -2x
and the parallel line would be the same -2x
the equations would be
y= =2x- 6
and the other would be
y= -2x-6
(this should be right)
what is 0.5 divided by 13.5? help
Answer is 0.037
Hope this helps:)
Look at the photo and you can see it
Answer:
huh wym?
you will see it?
Step-by-step explanation:
Jeff drove 5,784.5 miles in 12 days . To the nearest mile , what was the rate of miles Jeff drive each day
Answer:
500mph
Step-by-step explanation:
5784.4 miles --> estimates to 6000 miles
6000/12=500
500mph
hey bro's help me!!
Answer:
-7 and 12 gl
Step-by-step explanation:
Answer:
1. -7
2. 12
Step-by-step explanation:
Hope this helps :)
Matt is running for student council. His friends are going to help him give out 15 posters and 6 banners. Matt plans to pack all of the posters and banners in boxes. He wants to put the same number of posters and the same number of banners in each box. What is the greatest number of boxes Matt can pack?
Answer:
6 Boxes
Step-by-step explanation:
6 Boxes
1 Poster and 1 Banner in each box
Yamila had an average score of 4 strokes on the first 6 holes of a mini-golf course. On the 7th hole, she scored 11 strokes. What was her mean score for the first 7 holes?
PLZZZZ ANSWER
Martin drinks 1/4 of a litre of juice each day.
Juice costs £3.60 for a 2 litre carton and £2.00 for a 1 litre carton.
Martin buys enough juice to last for 2 weeks (14 days).
What is the lowest price Martin can pay for this juice?
Given :
Martin drinks 1/4 of a litre of juice each day.
Juice costs £3.60 for a 2 litre carton and £2.00 for a 1 litre carton.
To Find :
Martin buys enough juice to last for 2 weeks (14 days).
What is the lowest price Martin can pay for this juice.
Solution :
Amount of litre used in 14 days is :
V = 14× ( 1/4 )
V = 3.5 liter
Lowest price to pay is :
P = 2 × Cost of one 2 L carton
P = £(2 × 3.60)
P = £7.2
The lowest price Martin can pay for this juice is £7.2 .
Hence, this is the required solution.
need to pass whats 1+3-4+24-23=
Answer:
the answer is 5
Step-by-step explanation:
PLEASE HELP ME I NEED THE ANS IN 5 mins
A)it is not possible to tell whether a is greater than or less than zero
b) a is less than zero
c)a is greater than zero
d) a=-1
Answer:
A
Step-by-step explanation:.................
Give an example of a time when you used estimation to solve a problem.
Answer:
I wanted to know how many stars are in the sky above my house I counted and made the estimate of 80
Vanessa earns a base salary of $400.00 every week with an additional %5, percent commission on everything she sells. Vanessa sold $1650.00 worth of items last week. What was Vanessa's total pay last week?
Answer:
$482.50
Step-by-step explanation:
Base salary: $400
5% of 1,650 is 82.50
.05 x 1,650 = 82.50
Commission : $82.50
Equation: 400 + 82.50 = $482.50
!!!HELP ME WITH THIS QUESTION PLEASE!!!
Answer:
C
Step-by-step explanation:
Hope this helps