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Anestetic [448]
2 years ago
6

Please can anyone please help me with that please faster if you know that please???!!?!

Mathematics
1 answer:
qaws [65]2 years ago
6 0

Answer:

For work its 10/100 or 0.1

For Sports its 65/100 or 0.65

Step-by-step explanation:

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(5x-6) + (2x-6)add the polynomials
Thepotemich [5.8K]

In this question, let's add those polynomials

(5x-6) + (2x-6)

5x -6 +2x -6 <em>Combine like terms</em>

<em>5x +2x -6-6</em>

7x -12

Since this is not an equation, no further step can be done.

8 0
1 year ago
I will give brainliest :)
Sergeu [11.5K]

Answer:

The correct answer is B) 102

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
Cassidy's goal is to raise more than $75 for charity. She has already raised $6. Now she is selling cupcakes for $3 each to reac
hodyreva [135]
$75= Cassidy's goal
c= number of cupcakes
a= $6 already raised

EQUATION:
75<$3c + a
substitute $6 in for a

75< $3c + 6
subtract 6 from both sides

69<3c
divide both sides by 3

23<c

Cassidy needs to sell at least 23 cupcakes to reach her goal of $75.


Answer:

FALSE: Cassidy will need to sell any number of cupcakes greater than 12 to reach her goal.

TRUE: Cassidy will need to sell any number of cupcakes greater than 23 to reach her goal.


Hope this helps!  :)
3 0
3 years ago
What is (8 × 10 -3 )(.0003) in scientific form.
murzikaleks [220]

Answer:

2.31 ×10 ^− 2

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

4 0
3 years ago
An insurance company works with two auto repair shops and wants to compare their prices. Company officials randomly select 12 da
Grace [21]

Answer:

C) H0:μd=0 and Ha:μd≠ 0

Null hypothesis: \mu_d = 0

Alternative hypothesis: \mu_d \neq 0

Step-by-step explanation:

A paired t-test is used to compare two population means where you have two samples in  which observations in one sample can be paired with observations in the other sample. For example  if we have Before-and-after observations (This problem) we can use it.  

Let put some notation  

x=value for the first shop , y = value for the second shop

The system of hypothesis for this case are:

Null hypothesis: \mu_y- \mu_x = 0

Alternative hypothesis: \mu_y -\mu_x \neq 0

Or equivalently :

Null hypothesis: \mu_d = 0

Alternative hypothesis: \mu_d \neq 0

Since we define the difference d_i=y_i-x_i and we obtain this:

The second step is calculate the mean difference  

\bar d= \frac{\sum_{i=1}^n d_i}{n}

The third step would be calculate the standard deviation for the differences, and we got:

s_d =\frac{\sum_{i=1}^n (d_i -\bar d)^2}{n-1}

The 4 step is calculate the statistic given by :

t=\frac{\bar d -0}{\frac{s_d}{\sqrt{n}}}=t_{calculated}

The next step is calculate the degrees of freedom given by:

df=n-1=12-1=11

Now we can calculate the p value, since we have a two tailed test the p value is given by:

p_v =2*P(t_{(11)}>|t_{calculated}|)

C) H0:μd=0 and Ha:μd≠ 0

5 0
3 years ago
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