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MrMuchimi
2 years ago
13

Joaquin estimates his score on his science test. Joaquin's estimate has a 3% error. His actual score on the science test is 91.

What could be Joaquin's estimate? Choose all the correct answers. please go to the pic for the answer

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
3 0

Joaquin's estimate for his score on the science test can either be 93.73 or 88.27.

<h3>What is the estimate on the science test?</h3>

Percentage can be described as a fraction of an amount that is usually expressed as a number out of hundred.

Estimate of the score can either be greater than or less than 91.

Score estimate = (1.03 x 91) or (0.97 x 91) = 93.73 or 88.27.

To learn more about percentages, please check: brainly.com/question/25764815

#SPJ1

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What is the range of this data set? {14, 25, 61, 18, 30, 32, 28, 45, 21} 47 28 7 I don't know.
kati45 [8]

The range of the dataset = 47

What is the range of a dataset?

The range of a set of data is the difference between the greatest number and least number

The given data set is:

{14, 25, 61, 18, 30, 32, 28, 45, 21}

The greatest number = 61

The least number = 14

The range of the dataset = Greatest Number - Least Number

The range of the dataset = 61  -  14

The range of the dataset = 47

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3 0
2 years ago
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Which is the equation of a line that has a slope of -7 and a Y intercept of 2
padilas [110]

Answer:

y = -7x + 2

Step-by-step explanation:

3 0
2 years ago
The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
MAXImum [283]
We know that

<span>The formula for the area of a quadrilateral with perpendicular diagonals is
</span>A=(0.5)*(D1*D2)
A=58 in²
D1=AC=14.5 in
D2=BD=?

so

D2=2*A/D1-----------> 2*58/14.5-----------> D2=8 in
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the answer is
BD=8 in
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3 years ago
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Ted borrowed $5,600 from his bank for 4 months with interest at 9%. ted paid the note in full on its due date. how much was the
nika2105 [10]

Ten gave the check of $5768 to the bank for payment.

<h3>What is simple interest?</h3>

Simple interest is calculated based on a loan's principal or the initial deposit into a savings account. Simple interest doesn't compound, so a borrower will never have to pay interest on the interest already accumulated because a creditor will only pay interest on the principal amount.

Formula for simple interest is;-

Simple interest = (principal amount×rate of interest×time duration in years)/100

S.I = (P×R×T)/100

Calculation of the total amount paid by Ted to the bank-

The principal amount is  $5,600.

The rate of interest is 9%.

Time duration is 4 months equals 4/12 = 1/3 years.

S.I = (5,600×9×1)/(3×100)

S.I  = 168

The simple interest on amount is $168.

Thus, the total amount is S.I + principal amount

Total amount = 168 + 5600

                      = 5768

Therefore, the total amount paid by the Ted to the bank is $5768.

To know more about the simple interest, here

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6 0
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Solve by substitution <br> X+3y=1 and -3x-3y=-15
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