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Agata [3.3K]
3 years ago
5

Tony wants to purchase a baseball glove for $14.96, a baseball bat for $19.87, and a baseball for $5.37. He figured out that he

will need $40.20 to purchase the three items. Estimate the cost of the three items. Is Tony's calculation reasonable? Select from the drop down menus to complete the sentence.
Mathematics
1 answer:
eimsori [14]3 years ago
7 0

To solve this, first we calculate all the total cost of the items that is:

total cost = $14.96 + $19.87 + $5.37

total cost = $40.20

 

So we see that the actual cost is similar with the estimate so his calculation is reasonable.

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Vlad [161]
The main property is  as follow
(A^p)^q=A^pxq
so only Sam's work is correct because
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7 0
3 years ago
Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If angle JNK equals 5x - 15, find the value of x.
VLD [36.1K]
One property of a rhombus is that the diagonals are perpendicular. This means that the diagonals intersect at 90 degree angles (right angles).

So we know that angle JNK is 90 degrees

angle JNK = 90 degrees
5x - 15 = 90
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3 0
3 years ago
The following table shows the salary of 7 people in an office last year.
kotegsom [21]

Answer:

a.  £24,714.29

b. £16,833.33

Step-by-step explanation:

The calculation of mean income is given below:-

Mean income = Total addition of salaries ÷ Number of workers

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= £173,000 ÷ 7

= £24,714.29

Now,

the Mean income excluding Deva's salary:

= Formula of Mean income

= Total addition of salaries excluding Deva salary ÷ Number of workers

= (£9,500 + £25,000 + £13,250 + £12,750 + £29,500 + £11,000) ÷ 6

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= £16,833.33

7 0
3 years ago
A number K increased by 10 is the same as 24 what’s the equation
polet [3.4K]
The equation is K + 10 = 24.
3 0
3 years ago
Juanita begins to factor an expression as shown. x2+3x−18=(x+)(x−) What numbers should be placed in the boxes from left to right
stich3 [128]

Answer:

Option A is the correct answer.

Step-by-step explanation:

Here we need to factorize  x²+3x−18

The coefficient of x is 3 and the constant is -18

Which means

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           The product of factors is -18

The factors satisfying are  6 and -3

Here the factors are given in the type (x+)(x−)

     So the value after plus is 6 and value after - is 3

Option A is the correct answer.            

6 0
3 years ago
Read 2 more answers
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