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Masteriza [31]
3 years ago
12

What is 90% of 80 with the work shown

Mathematics
2 answers:
Tamiku [17]3 years ago
8 0
You have to multiply .90 by 80= 72.
So 90% of 80 is 72.
den301095 [7]3 years ago
3 0
80*90% = 80*0.9 so 80*0.9=72
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Lupita brought seven pounds of pretzels at a local wholesaler for 16.80 her friend Charles about 5 pounds of pretzels at the sup
Mashutka [201]

Answer:

Step-by-step explanation:

Lupita brought seven pounds of pretzels at a local wholesaler for 16.80. This means that the rate at which she bought one pound of pretzel at the local wholesaler would be

16.80 / 7 = $2.4 per pounds of pretzels

Her friend, Charles about 5 pounds of pretzels at the supermarket 12.75. This means that the rate at which Charles bought one pound of pretzel at the supermarket would be

12.75 / 5 = $2.55 per pounds of pretzels

Charles's reasoning is wrong because the rate at which he bought one pound of pretzel is higher than that of Lupita's

7 0
3 years ago
What is the slope of the line that passes through the pair of points? (5,2) and (7,8) the answers are 2/3,-2/3,3/2 or -3/2
Mice21 [21]
Answer:  The slope is:  "3" ; which does not appear among the                                   answer choices given.
______________________________________________

The slope, "m" is calculated as follows:
___________________________________
Given two coordinates on a line; 

m = (y₂ − y₁) / (x₂ − x₁) ;
__________________________________________

We are given the following 2 (TWO) coordinates:
__________________________________________
 1)  (5,2) ; which is:  (x₁ ,y₁) ;  so x₁ = 5 ; y₁ = 2 ; AND:
 
 2)  (7,8);  which is:  (x₂ ,y₂) ;  so x₂ = 7; y₂ = 8 ;
_____________________________________________
So;  m = (y₂ − y₁) / (x₂ − x₁) = (8−2) /.(7−5) = 6/2 = 3 .

m = 3.  The slope is: 3 ; which does not appear among the answer choices given.
______________________________________________
Alternately,
______________________________________________
We are given the following 2 (TWO) coordinates:
__________________________________________
 1)  (7,8) ; which is:  (x₁ ,y₁) ;  so x₁ = 7 ; y₁ = 8 ; AND:
 
 2)  (5,2);  which is:  (x₂ ,y₂) ;  so x₂ = 5; y₂ = 2 ;
______________________________________________
So;  m = (y₂ − y₁) / (x₂ − x₁) = (2−8) / (5−7) = -6/-2 = 3 .

m = 3.  The slope is 3 ; which does not appear among the answer choices given.
________________________________________________
6 0
3 years ago
Note: Figure is not drawn to scale.
ycow [4]

Answer:130 I think I’m not real sure

Step-by-step explanation:

6 0
3 years ago
What is the determinant of matrix |-8|?​
ivanzaharov [21]

Given:

The matrix is [-8].

To find:

The determinant of given matrix, i.e, |-8|.

Solution:

If a matrix is A of order 1\times 1, then the value of the determinant of that matrix is equal to the element of that matrix.

For example: Let A be the matrix of order 1\times 1.

A=[a]

Then,

|A|=a

The given matrix is [-8]. So, the  determinant of given matrix, i.e, |-8|, is

|-8|=-8

Therefore, the value of determinant of given matrix is -8.

7 0
3 years ago
PLease help me please
valkas [14]
Xy+24=x22 that is the answer hope it helps
7 0
3 years ago
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