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Solnce55 [7]
3 years ago
6

Números comprendidos entre -4 y -3

Mathematics
1 answer:
UkoKoshka [18]3 years ago
4 0
1.7738387.9283727% I hope I helped
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Stella wants to buy colored pencils that cost $3.50. She has 1 dollar, 5 quarters, 4 dimes, and 7 pennies. Does she have enough
Andrews [41]

Answer:

no

Step-by-step explanation:

Lets she how much money she has

1.00   dollars

5 * .25 = 1.25 quarters

4 * .10 = .40 dimes

7 * .01 = .07 pennies

Add it all together

1 + 1.25+ .40 +.07 =2.72

3.50 - 2.72 =.78

She is 78 cents short

6 0
3 years ago
Judy took $42 with her to spend on popcorn and drinks for herself and her friends at the movie theater. The price for each bag o
olya-2409 [2.1K]

Answer:there are a few questions that needs answering to make your graph. 1. How many bags of popcorn can she buy with $30? 2. How much does a drink cost? 3. How many drinks can she buy with $30?

Step-by-step explanation:

8 0
2 years ago
The data show systolic and diastolic blood pressure of certain people. Find the regression​ equation, letting the first variable
MakcuM [25]

Full Question:

The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the first variable be the independent (x) variable. Find the best predicted diastolic pressure for a person with a systolic reading of 113. use a significance level of 0.05.

Systolic| 150 129 142 112 134 122 126 120

Diastolic| 88 96 106 80 98 63 95 64

a. What is the regression equation?

^y = __ + __x (Round to two decimal places as needed.)

b. What is the best predicted value?

^y is about __ (Round to one decimal place as needed.)

Answer:

A. yhat = a + bx = -10.64 + 0.75x

B. 74.0

Step-by-step explanation:

A. To find the regression equation here, we apply the formulas and then apply it to find the value of y given value of x:

calculate xbar and ybar which is the average of the variables:

Where n(number of values in x or y)=8

xbar = sum of x/n = 129.375

ybar = sum of y/n = 86.25

to calculate b

b= [Sum x^2 * Sum y - Sum x * Sum x*y] / [N*Sum x^2 - (Sum x)^2]

b = 0.74891

To calculate a

a = ybar - b * xbar = -10.64023

Regression equation:

y=mx+b= -10.64 + 0.75x

B. given x = 113,

y = -10.64023 + 0.74891 * 113

y= 74.0

5 0
3 years ago
HELP 20 POINTS..... roline bought 20 shares of stock at 101/2, and after 10 months the value of the stocks was 111/4. If Carolin
zhuklara [117]
I believe the answer is:

D. $15
6 0
3 years ago
How to Answer this i dont know please like it was not in the book im so confused
Marina CMI [18]

The solution to the system of inequalities given is: \frac{4}{3} \leq y \leq 4

<h3>What is the solutions to a system of inequalities?</h3>

The solution is the set of values that respect all conditions of the system.

The first condition is:

3y - 13 \geq -9

3y \geq 4

y \geq \frac{4}{3}

The second condition is:

3y - 13 \leq -1

3y \leq 12

y \leq \frac{12}{3}

y \leq 4

The intersection of the conditions, which is the solution to the inequality, is:

\frac{4}{3} \leq y \leq 4

More can be learned about a system of inequalities at brainly.com/question/3656398

#SPJ1

5 0
1 year ago
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