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loris [4]
3 years ago
12

Evaluate the expression: -0.75 - (-1 7/8)

Mathematics
1 answer:
m_a_m_a [10]3 years ago
4 0

Answer:

9/8

Decimal form: 1.25

Mixed Number form: 1 1/8

Good luck, hope this helped!

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kari74 [83]

Answer:

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8 0
3 years ago
Read 2 more answers
(7 * 10-5) (5 x 10-) =<br><br>x 10​
blagie [28]

Have you learned PEMDAS? (Parenthesis, exponents, multiplication, division, addition, subtraction). That is what I am going to do here.

The first parenthesis, let's solve. 7*10=70-5=65

The second parentheisis: I am assuming the negative sign is a typo, and this answer will be off if it is not. Sorry. 5*10=50

65*50=3250

I hope this helps, and let me know if you need further assistance.

8 0
3 years ago
Roberto debe leer un libro que contiene 340 páginas en cuatro días para lo cual planea la siguiente distribución de lectura: el
Murrr4er [49]

Answer: le quedan leer 295 páginas

Step-by-step explanation:

6 0
3 years ago
Anthony earned $131 in tips last night while working at the restaurant. If his tips consisted of $1 bills and $5 bills only and
Nadya [2.5K]

Answer:

21

Step-by-step explanation:

Let x = $1 bill

Let y = $5bill

<em>Translating the word problem into an algebraic equation;</em>

<em>For the total number of bills;</em>

x + y = 47 .........equation 1

<em>For the total number of tips;</em>

x + 5y = 131 ..........equation 2

<em>*Solving the linear equation by using the substitution method*</em>

<em>Making x the subject in equation 1:</em>

x = 47 - y .......equation 3

<em>Substituting "x" into equation 2;</em>

(47 - y) + 5y = 131

<em>Simplifying the equation, we have;</em>

47 + 4y = 131

4y = 131 - 47

4y = 84

y = \frac {84}{4}

y = 21 (For the $5 bills).

<em>Therefore, Anthony received 21 pieces of the $5 bills.</em>

To find x;

Substituting "y" into equation 3;

x = 47 - 21

x = 26 (For the $1 bill).

6 0
2 years ago
The following list contains the average annual total returns (in percentage points) for 9 mutual funds. The mutual funds appear
VladimirAG [237]

Answer:

Mean =25.78

Median =20

Step-by-step explanation:

given that the following list contains the average annual total returns (in percentage points) for 9 mutual funds. The mutual funds appear in an online brokerage firm's "all-star" list.

40, 30, 6, 10, 30, 18, 15, 20, 36

Let us find the sum of these 9 entries

Sum = 205

a) Mean = \frac{205}{9} =22.78

b) Median of this data set is the middle entry after arranging in ascending order

Here it would be the 5th entry

6,10, 15, 18,20, 30, 30, 36, 40

Median = 20

6 0
3 years ago
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