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abruzzese [7]
2 years ago
10

Quick help

Mathematics
2 answers:
11Alexandr11 [23.1K]2 years ago
8 0
Isn’t it because of dilation?
just olya [345]2 years ago
6 0
The area of each face of B is 9 x bigger than the area of each face of A
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The relationship between the cost, y, in dollars, and the feet of steel beam, x, bought can be modeled by the proportional equat
lara [203]

Answer:

The relationship is

y = 12x

5 0
3 years ago
Write two verbal expressions for b+30.​
IrinaVladis [17]
Can you please please give me more information please thank you
7 0
3 years ago
Read 2 more answers
What is the formula for finding the perimeter of a quads?
VLD [36.1K]

The formula for finding the perimeter of a quadrilateral is  Length + Length + Width + Width.

<h3>What is Perimeter?</h3>
  • A perimeter is the path that surrounds a certain shape. To calculate the path that surrounds a quadrilateral, we need to get the sum of its four sides, both lengths and widths, lengths being the longest sides and the widths being the shortest.
  • The formula used for calculating perimeter is Perimeter = Length + Length + Width + Width.
  • For instance, to calculate the perimeter of a parallelogram with a side of 5 cm and one of 3 cm, we insert the numbers in their corresponding spot in the formula as such: Perimeter=5+5+3+3=16 cm or since parallelograms have 2 sets of 2 equal sides, we can use this formula Perimeter=(5×2)+(3×2)=10+6=16 cm.
  • For a square on the other hand, we only need to know the length of one side because it has 4 equal sides.

Therefore, the formula for finding the perimeter of a quadrilateral is  Length + Length + Width + Width.

Learn more about quadrilateral here:

brainly.com/question/23935806

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7 0
1 year ago
a recipe uses 3 cups of flour and 2 cups of sugar. imagine the recipe is doubled and that 4 cups of sugar are used. use the unit
sashaice [31]
6 cups of flour because if u multiply the sugar by 2 you have to do that to the flour.
so 3*2 is 6

3 0
3 years ago
Read 2 more answers
A research team is testing whether a fuel aditive increases a car's gas mileage. The maker of the additive claims that the addit
Thepotemich [5.8K]

Answer:

Yes  there is sufficient evidence to  reject the company's evidence

Step-by-step explanation:

From the question we are told that  

   The sample size is  n =  25

    The mean is  \= x = 5.3 \ mpg

     The standard deviation is  \sigma = 1.8 \  mpg

    The z-score is  z = -1.94

The null hypothesis is  H_o : \mu = 6 \ mpg

The alternative hypothesis is  H_a :  \mu \ne 6

 Generally the p-value is mathematically evaluated as  

           p-value   =  2 * P( Z

From the z table  the area under the normal curve to the left corresponding to    -1.94  is

         P( Z

=>  p-value   =  2 * 0.02619

=>  p-value   =  0.052

Let assume the level of significance is  \alpha = 0.05

 Hence the  p-value > \alpha this mean that

   The  decision rule is  

Fail to reject the null hypothesis

The conclusion is

 There is sufficient evidence to  reject the company's evidence

 

5 0
3 years ago
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