Answer:
b. 0.68
Step-by-step explanation:
trust me.
Please help me, I will give brainliest, I am struggling badly.
Answer:
im pretty sure it is b
Step-by-step explanation:
hayden is comparing the regular attendance of two karate clubs he draws the following pie charts?
Answer: A) B.
B) D.
C) D.
Step-by-step explanation: It’s easy, next time show the people the image of the question, because how do you expect us to answer it?
Compare a dilation to the other transformations:
Tanslation, reflection, rotation.
Answer:
..........................
What is the answer to the equation
4+4
multiply 4times4 equals 8
Factor 7w2−175.(1 point)
−7(w−25)
7(w−25)
7(w−5)(w+5)
7(w−5)(w−5)
Answer:
7(w + 5)(w -5)
Step-by-step explanation:
a² - b² = (a + b)(a - b)
7w² - 175 = 7w² - 7*25
= 7(w² - 25)
= 7(w² - 5²)
= 7(w + 5)(w -5)
subtract -5x^2+10x from 6x^2-x+3
Determine the length of AY if ARAY is a 30°-60°-90° triangle and RY has a length of 48 centimeters.
Answer:
48√3 cm
Step-by-step explanation:
I'm assuming that ∠A = 30°, ∠R = 60°, and ∠Y = 90°.
The sides of a 30-60-90 triangle are in the ratio 1:√3:2.
RY is opposite the 30° angle and has length 48 cm.
AY is opposite the 60° angle, so the length of AY = 48√3 cm.
Someone please help me with this and thank you
Answer:
Your answer is D 18 sq ft
Step-by-step explanation:
Hope I help!
Guarantee this answer is correct ;)
Connie Harris, in charge of office supplies at First Capital Mortgage Corp., would like to predict the quantity of paper used in the office photocopying machines per month. She believes that the number of loans originated in a month influence the volume of photocopying performed. She has compiled the following recent monthly data:
Number of Loans Originated in Month Sheets of Photocopy Paper
used (1000s)
45 22
25 13
50 24
60 25
40 21
25 16
35 18
40 25
(a) Develop the least-squares estimated regression equation that relates sheets of photocopy paper used to loans originated.
(b) Use the regression equation developed in part (a) to forecast the amount of paper used in a month when 42 loan originations are expected.
(c) Compute the coefficient of determination r2. Comment on the goodness of fit.
(d) Compute the correlation coefficient.
(e) Is there a significant relationship between the two variables? Use a significance level of 0.05 and explain using numerical examples.
Answer:
y = 0.325X + 7.5 ;
21.5 ;
R^2 = 0.7655 ;
r = 0.8749
Step-by-step explanation:
No. of loans originated ____ sheets of p/paper
45 ______________22
25 ______________ 13
50 _____________ 24
60 _____________ 25
40 _____________ 21
25 _____________ 16
35 _____________ 18
40 _____________ 25
Using the linear regression calculator : the linear model obtained is:
y = 0.325X + 7.5
y = predicted variable = sheets of photocopy paper
X = number of loans originated
0.325 = slope
Intercept = 7.5
B.)
X = 42
y = 0.325(42) + 7.5
y = 21.15
C.)
The Coefficient of determination as determined using the correlation coefficient calculator is :
R^2 = 0.7655 ; this means that about 76.55% of change in number of photocopy performed is explained by the number of loans originated.
D.) The correlation Coefficient (r) :
r = sqrt(R²)
r = sqrt(0.7655)
r = 0.8749
This shows that a strong positive correlation exists between the number of loans originated and the volume of photocopying done.
TUS
Expand the expression.
-4(1.2h – 0.5)
Answer:
-4.8h + 2
Step-by-step explanation:
Use the distributive property to expand the expression.
-4(1.2h - 0.5)
-4 · 1.2h = -4.8h
-4 · -0.5 = 2
Therefore, the expanded expression is -4.8h + 2.
Y = 3x – 1 and y = -2x + 9
show work please
Answer:
x=2
Step-by-step explanation:
Since both equations are equal to y, we can solve this system by setting them equal to each other:
3x-1=-2x+9
-1=-5x+9
-10=-5x
2=x
x=2
Therefore x=2
Rhana buys a skateboard for which the original price is $130.oo and an in-line skates with an original price of $ 290.00. Pedro buys a baseball glove for which the original price is $160.00 and in- line skates with an original price of $210.00. There is also a 5% tax on the sale of all sporting goods. Who spent less money at the sporting goods store?
Answer:
Rhana buys a skateboard for which the original price is $130.oo and an in-line skates with an original price of $ 290.00. Pedro buys a baseball glove for which the original price is $160.00 and in- line skates with an original price of $210.00. There is also a 5% tax on the sale of all sporting goods. Who spent less money at the sporting goods store?
Step-by-step explanation:
Solve 3(-1)(10-5-2(3))
The answer should be 3 :)
The weight of a chair is 17 kg. What is the weight of 12 chairs?
If the weight of a chair is 17kg, we would times it by 12 which would be 204.
Answer:
204 kg
Step-by-step explanation:
1 Chair = 17 kg
12 chairs = 17 * 12
= 204 kg
Thanks
What is the percent of change from 4,000 to 80
-98 is the percent of change.
Answer:
98%
Step-by-step explanation:
You have 2 different savings accounts. For Account A, the simple interest earned after 18 months is $8.33. For Account B, the simple interest earned after 15 months is $13.75. If the interest rate is 3.7% for Account A and 2.2% for Account B, how much is the principal in each account? Which account earned you the most interest the first month? Explain your answer.
Answer:
4kt lit top itty bitty bitwxh
note that multiplying by 1/9 gives the same result as dividing everything by 9
Leah makes an origami photo frame to showcase her favorite family picture. The size
of the frame is 3.5"x8". Determine the area of the photo frame and express the
answer in square feet
28 square feet
0.19 square feet
2.8 square feet
28 feet
Answer:
28 feet
Step-by-step explanation:
3.5 x 8 = 28
trust me
Divide. Round your answer to the nearest tenth. 85.5233 - 0.215?
Answer:
85.5233 divided by 0.215 = 397.8
Step-by-step explanation:
What is one of the solutions to the following system of equations?
y2 + x2 = 53
y − x = 5
Answer:
x = 2 and y = 7
Step-by-step explanation:
The given equations are :
[tex]y^2+x^2=53\ ....(1)\\\\y-x=5\ ...(2)[/tex]
Squaring both sides of equation (2)
[tex](y-x)^2=5^2\\\\y^2+x^2-2xy=25\\\\53-2xy=25\ \text{from equation (1)}\\\\2xy=53-25\\\\2xy=28\\\\xy=14\ ...(3)[/tex]
Put the value of y from equation (2)
[tex]x(5+x)=14\\\\5x+x^2-14=0\\\\x=2[/tex]
Put the value of x in equation (2)
y-x = 5
y = 5+x
= 5+2
= 7
Hence, the solution of the given equations are (2,7).
express 1400 as a product of its prime factors in index form write the prime factors in ascending order?
Answer:
[tex]1400=2^3*5^2*7[/tex]
Step-by-step explanation:
Prime Factors
The first prime numbers are:
{1,3,5,7,11,13,...}
To find the prime factors of any integer number, we successively divide the number by all the possible prime numbers, probably more than once.
Let's find the prime factors of 1400.
Dividing by 2 while possible:
1400/2 = 700
700/2 = 350
350/2 = 175
3 is not a divisor of 175, so we try 5:
175/5 = 35
35/5 = 7
Since the last result is a prime number, no more tries are necessary. The product of prime factors in index form is:
[tex]\boxed{1400=2^3*5^2*7}[/tex]
Is this a function pls help
Answer:
yup it is :)
Step-by-step explanation:
PLS HELP ASAP!!!!!!!!!! BRAINLIEST TO FASTEST ANSWER!!!!!!!!!
16 kittens were adopted from the animal shelter today. There are 25 kittens left. How many kittens did the shelter have to be adopted?
Answer:
9.
Step-by-step explanation:
$7.00 × 20 = $140 in 2 hours
Answer:
What are we answering??
Step-by-step explanation:
And 700(20) = 14,000
Find the value of X.
Answer:
i think 32
Step-by-step explanation:
128÷12 = 10.6666666666
10.6666666666×3 = 32
Make me brainliest
b. X-0.75x = 9.00 solve with explanation?
Answer:
x-0.75x=9.00
-0.74x=9.00
x=0.74+9.00
x=9.74
Step-by-step explanation:
Which triangle is similar to AABC if sin(A) = 2., COS(A) = y15, and tan(A) = ?
For anyone who needs it!!! Hope it helps!!!
Answer:
d
Step-by-step explanation:
Jess wants to measure how much water she uses in the shower each morning. She finds
that her shower fills up a 1-gallon jug in 15 seconds. If Jess takes an 8-minute shower,
how much water does she use?
Answer:
32 gallons of water
Step-by-step explanation:
8 minutes = 480 seconds.
set up a proportion:
1/15=x/480
we have to solve for x:
15x=480
x=32.
Jess uses 32 gallons of water.
2.(06.01 MC)
What is the value of the expression shown below?
7 +(2+6) 2 = 4
(5 points)
23
18
9
8
Please Help !!!!!!!!!!!!!!!!!!!!!!!!!!!!! 20% of your family likes marshmallows melted on top of the sweet potato casserole. If you have 18 people in your family, which proportion could be used to find the number of people who like marshmallows melted on top of the sweet potato casserole?
A : 20/100 = 18/ x
B : 18/20 = x/100
C : x/18 = 20/100
D : 20/x = 18/100
Answer:
C
Step-by-step explanation:
let's say the 18 was the 100 and x was the 20% of that 100, if they equal the same just take 20% of 18 (you will get 3.6)
Therefore is C : x/18 = 20/100.
