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otez555 [7]
3 years ago
5

Help me please, I will mark you brainly :) make sure you explain

Mathematics
1 answer:
Llana [10]3 years ago
5 0
Answer: 840 square inches

1. Split the figure into two rectangles. 

2. Find x (there are other missing sides, but you do not need to know them).
x = 40 - 10
x = 30
                                    
3. Find the area of the two rectangles. Remember: A = lw.
Top rectangle: (10)(30) = 300
Bottom rectangle: (18)(30) = 540

4. Add the rectangles' areas together.
300 + 540 = 840

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An article reports that blue eyed people earn less than brown eyed people, with these numbers: average blue-eyed salary $35,000,
stepladder [879]

Answer:

There is not enough evidence to support the claim that blue eyed people earn less than brown eyed people.

Step-by-step explanation:

In this case, we need to test whether the blue eyed people earn less than brown eyed people.

Let sample 1 denote the salary of blue eyed people and sample 2 denote the salary of brown eyed people.

The hypothesis to test the claim can be defined as follows:

<em>H₀</em>: The average salary of blue eyed people is not less than that for brown eyed people, i.e. <em>μ</em>₁ - <em>μ</em>₂ ≥ 0.

<em>Hₐ</em>: The average salary of blue eyed people is less than that for brown eyed people, i.e. <em>μ</em>₁ - <em>μ</em>₂ < 0.

It is provided that the <em>p</em>-value of the test is, <em>p</em>-value = 0.45.

The decision rule is:

If the <em>p</em>-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

The <em>p</em>-value of the test is 0.45.

The <em>p</em>-value of the test is very large for all the commonly used significance level. The null hypothesis will not be rejected.

Thus, it can be concluded that there is not enough evidence to support the claim that blue eyed people earn less than brown eyed people.

3 0
3 years ago
there are 49 students on the cafeteria 35 girls and 14 boys what is the ratio of girls to boys int he cafeteria A) 2:5 B)1:2 c)5
Delvig [45]

Answer:

5:2

Step-by-step explanation:

35÷7= 5

14÷7=2

You get the ratio by dividing by a common multiple

7 0
3 years ago
Read 2 more answers
) Alon started in 60% of his team's basketball games this season. He started a total of 12 games. About how many games did Alon'
kvv77 [185]

Answer:

D

Step-by-step explanation:

Let x = total number of basketball games that was played by the team this season.

Alon started in 60% of his team’s basketball games this season. This means that he started in a total number of 60 percent of x basketball games this season.

60% of x basketball games this season = 60/100 × x

= 0.6×x = 0.6x

From the information given, Alon started a total of 12 basketball games this season. Therefore,

0.6x = 12

x = 12/0.6 = 20

7 0
3 years ago
Sub :- Linear Equations
vesna_86 [32]

Hiiiiiiiiiiiii

The value of x is 1 & y is 2 (a).

Steps are attached.

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꧁✿ ᴿᴬᴵᴺᴮᴼᵂˢᴬᴸᵀ2222 ✬꧂

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2 years ago
shelby made 5 qt of juice for a picnic. She said that she made 1 1/4 cups of juice cups of juice. Explain shelby's mistake
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I don't know either she is not quite
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