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Elenna [48]
4 years ago
7

while painting, sam notices that 1/2 cup of paint covers 1/3 of a sign. What is the amount fo paint needed to cover the entire s

ign
Mathematics
2 answers:
Eduardwww [97]4 years ago
8 0

Answer:

1 1/2.

Step-by-step explanation:

If 1/2 of a cup covers 1/3 add it twice you get 2/2 and you get 2/3 add it one more time and you get 1 1/2 or 3/3.

Vesnalui [34]4 years ago
6 0

Answer:

1 1/2 cups of paint

Step-by-step explanation:

Multiply  1/2 cups by 3 to cover the entire sign

1/2 * 3/1 = 3/2

Divide 3 by 2 to get a mixed number = 1 1/2

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FIND THE EQUATION OF THE LINE!!!<br>USE EXACT NUMBERS<br><br>EXAMPLE!<br><br>y= ( )x + ( ) ​
Korvikt [17]

Answer:

y=mx+b is the form to write this equation. M is the slope and B is the y intercept. therefore:

y=4x-9

Step-by-step explanation:

3 0
3 years ago
Please anyone help me with this please!!?​
Nataly [62]

Answer:

I think it's (-3, 1)

Hope this helps! :)

7 0
3 years ago
It is advertised that the average braking distance for a small car traveling at 65 miles per hour equals 122 feet. A transportat
madreJ [45]

Complete Question

The complete question is shown on the first uploaded image

Answer:

the null hypothesis is  H_o  :  \mu =  122

the alternative hypothesis is H_a  :  \mu \ne  122

The test statistics is  t =  - 1.761

The p-value is  p =  P(Z  <  t ) = 0.039119

so

    p  \ge 0.01

Step-by-step explanation:

From the question we are told that

   The population mean is  \mu  = 122

     The sample size is  n=  38

    The sample mean is  \= x  =  116 \ feet

     The standard deviation is \sigma  =  21

     

Generally the null hypothesis is  H_o  :  \mu =  122

                the alternative hypothesis is H_a  :  \mu \ne  122

Generally the test statistics is mathematically evaluated as

         t =  \frac { \= x - \mu }{\frac{ \sigma }{ \sqrt{n} } }

substituting values

         t =  \frac { 116 -  122 }{\frac{ 21 }{ \sqrt{ 38} } }

         t =  - 1.761

The p-value is mathematically represented as

      p =  P(Z  <  t )

From the z- table  

     p =  P(Z  <  t ) = 0.039119

So  

     p  \ge 0.01

 

         

     

           

4 0
3 years ago
Daredevil Danny takes a practice jump as shown on the graph below. Complete the steps to determine the equation for the paraboli
solniwko [45]

Answer:

Step 4

part a: no answer yet still having trouble showing my work

part b:

-0.125(x-24)^2+50

-0.125(x-24)(x-24)+50

-0.125(x^2-24x-24x+576)+50

-0.125(x^2-48x+576)+50

-0.125x^2+6x-75+50

-0.125x^2+6x-22

a=-0.125

b=6

c=-22

part c: yes he went through

part d:

plug in roots (4,0) and (44,0)

if x is 4 and y is 0

0=-0.125(4)^2+6(4)-22

0=-2+24-22

0=-2+2

0=0

if x=44 and y=0

0=-0.125(44)^2+6(44)-22

0=-242+264-22

0=-242+242

0=0

5 0
3 years ago
Read 2 more answers
Help!!<br> What two numbers do you multiply to get 20 and add to get 5?
frozen [14]

Answer:

you multiply 10*2=20

and 2+3=5

Step-by-step explanation:

is this right or wrong?

4 0
2 years ago
Read 2 more answers
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