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grigory [225]
3 years ago
8

middle" class="latex-formula">
Here is an easy one. Can you get it?​
Mathematics
1 answer:
Darina [25.2K]3 years ago
5 0
Its 15v15 this was pretty easy
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On two examinations, you have grades of 87 and 86. There is an optional final examination, which counts as one grade. You decide
noname [10]

Step-by-step explanation:

We have

87+86+x

T is the total scores

n is number of tests done = 3

T/n is greater than or equal to 90

To get minimum test

T/n = 90

T = 90*n

= 90n

We solve for x

Remember n = 3

90x3 = 270

270 = 87+86+x

270 = 173+x

X = 270-173

X = 97

1.

X = 97

2.

You didn't add a value in your part b question. I used 80 though.

T/n < 80

T<80n

80x3= 240

T<240

87+86+x<240

X<240-173

X<67

X has to be less than 67 so we conclude that if x <=67 b grade will be lost.

3 0
3 years ago
Suppose $2000 is deposited in an account paying 2.5% interest compounded quarterly. What will the account balance be after 12 ye
geniusboy [140]
A =
p(1 +  \frac{r}{n})^{nt}
p = principal amount (the initial amount you borrow or deposit)
r  = annual rate of interest (as a decimal)
t = number of years the amount is deposited or borrowed for.
A = amount of money accumulated after n years, including interest.
n  =  number of times the interest is compounded per year 

2000(1 +  \frac{.025}{4})^{4 \times 12}
$2,697.20
6 0
4 years ago
Order the numbers in the set from least to greatest.
masya89 [10]
B: -3.5,-2.7,-2.69,-2.66,-1.49
3 0
3 years ago
Read 2 more answers
Here is the histogram of a data distribution.<br><br> What is the shape of this distribution?
Marrrta [24]

Answer:

c

Step-by-step explanation:

8 0
4 years ago
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Write a set of four ordered pairs that represents a linear funtion. then give the function rule
Yuri [45]
The function rule I will be using is this:

y = 2x + 5

Four ordered pairs that could represent this linear function are:

(0, 5)
(1, 7)
(2, 9)
(3, 11)
3 0
4 years ago
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