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marusya05 [52]
2 years ago
11

Larry has 9 yards of fabric. He will use 2 yards to make each vest. How many vests

Mathematics
2 answers:
elena-14-01-66 [18.8K]2 years ago
8 0

Answer:

4 vests

Step-by-step explanation:

Larry has 9 yards of fabric, in which 2 are needed to make a vest.

Divide 9 with 2: 9/2 = 4.5

However, note that you cannot have half a vest, so you must round down.

4.5 becomes 4.

4 vests is the maximum Larry can make with 9 yards of fabric.

~

Sedbober [7]2 years ago
7 0

Answer:

9/2 or 4.5 vests

Step-by-step explanation:

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In a multiple regression equation, two independent variables are considered, and the sample size is 30. The regression coefficie
MAXImum [283]

Answer:

Both the variables are important for the regression analysis and cannot be deleted.

Step-by-step explanation:

(1)

The hypothesis for for the testing of coefficient β₁ are:

<em>H</em>₀: β₁ = 0 vs. <em>H</em>ₐ: β₁ ≠ 0

The test statistic is:

t=\frac{b_{1}}{S_{b_{1}}} =\frac{2.815}{0.75}= 3.753

It is provided that H₀ is rejected if <em>t</em> > 2.042.

The test statistic value, <em>t</em> = 3.753 > 2.042.

Thus, the null hypothesis is rejected.

<u>Conclusion:</u>

There is a significant relationship between the regression variable and the dependent variable.

(2)

The hypothesis for for the testing of coefficient β₂ are:

<em>H</em>₀: β₂ = 0 vs. <em>H</em>ₐ: β₂ ≠ 0

The test statistic is:

t=\frac{b_{2}}{S_{b_{2}}} =\frac{-1.249}{0.41}= -3.046

It is provided that H₀ is rejected if <em>t</em> < -2.042.

The test statistic value, <em>t</em> = -3.046 < -2.042.

Thus, the null hypothesis is rejected.

<u>Conclusion:</u>

There is a significant relationship between the regression variable and the dependent variable.

Thus, both the variables are important for the regression analysis and cannot be deleted.

7 0
3 years ago
Crystal has exactly $2.40 in quarters, dimes, and nickers. She has the same number of each type of coin. What is the number?​
Nadya [2.5K]

Answer:

6 quarters, 6 dimes, and 6 nickels

Step-by-step explanation:

6 quarters=1.50

6 dimes=0.6

6 nickels=0.3

1.5+0.6+0.3=2.40

8 0
3 years ago
A raised flower bed is 25 feet long, 8 feet wide, and 1.5 feet deep. Find the area of the bed and the volume of soild it holds.
AnnZ [28]
The surface area of the raised flower bed is 499 feet. The volume of the solid it holds is 300.
4 0
3 years ago
Read 2 more answers
HELP FAST PLEASE
Gala2k [10]

Answer:

b 35

Step-by-step explanation:

you need to find it between the two middle numbers 30 and 40

which gives you 35

3 0
3 years ago
Urgent please help quick!!!
Radda [10]

Answer:

x=-1\\y=-1

Step-by-step explanation:

5x+5y=-10\\3x-7y=4

Let's solve the first equation for either x or y. I'll do it for x.

5x+5y=-10

Begin by subtracting 5y.

5x=-5y-10

Now divide by 5.

x=\frac{-5y}{5}-\frac{10}{5}

Simplify:

x=-y-2

Now substitute x in the second equation for this value.

3x-7y=4\\3(-y-2)-7y=4

Distribute;

-3y-6-7y=4

Add 6

-3y-7y=4+6

Combine like terms;

-10y=10

Divide by -10.

y=\frac{10}{-10}\\ y=-1

-----------------------------------------------------------------------------------------------------------

Take this value of y and replace it in the first equation to find the value of x.

5x+5y=-10\\5x+5(-1)=-10\\5x-5=-10\\5x=-10+5\\5x=-5\\x=\frac{-5}{5}\\ x=-1

5 0
2 years ago
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