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jeyben [28]
2 years ago
8

Use the Order of Operations to evaluate this expression

Mathematics
1 answer:
Veronika [31]2 years ago
6 0
(-2+1^2)+5(12/3)-9
(1)+5(4)-9
1+20-9
21-9
12
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Please help me again one last time for this lol.
Darina [25.2K]

Answer:

3/8 = 9/24 ; 1/3 = 8/24 ; 3/8 > 1/3

Step-by-step explanation:

You have to multiply 8 and 3 to obtein the same number as denominatoe (24).

Once you have the same number you can use < = >

3 0
3 years ago
So, I need to know the basics of the laws for logarithms. I know that there are three, but I need to know more than that. Please
Ede4ka [16]
It is the number u need for 3 = 9
3 0
3 years ago
Estimate the radical by identifying which two consecutive integers it falls between. 98 ⎯ ⎯ ⎯ ⎯ √ 98
lisov135 [29]
Https://www.sac.edu/FacultyStaff/HomePages/KrystalMeier/Documents/Math%20170%20PreCalculus/Student_S...

4 0
3 years ago
This is a similar triangle please find the missing length. (?)
stira [4]

Answer:

10

Step-by-step explanation:

Set up as a proportion:

\frac{QR}{QP}=\frac{BA}{BC}, insert given values

\frac{?}{12}=\frac{30}{36}, cross multiple

36*?=30*12

36*?=360, divide both sides by 36 to get the missing side (?) by itself

?=10

3 0
2 years ago
I WILL GIVE BRILLIANTS
Phoenix [80]

(1) 34.8 liters

(2) $63.55

Solution:

(1) There is a mistake in question. It is 42 liters.

Total gasoline a car can hold = 42 liters

Liters of gasoline filled in beginning of the week = 35.8

Liters of gasoline used during the week = 28.6

Remaining liters of gasoline in the tank = 35.8 – 28.6

                                                                  = 7.2 liters

Quantity of gasoline need to buy to fill the tank completely

                               = Total capacity – Remaining gas in the tank

                               = 42 liters – 7.2 liters

                               = 34.8 liters

Hence Alberto need to buy 34.8 liters of gasoline to fill the tank.

Option B is the correct answer.

(2)

Shamika earns in first week = $25.75

Shamika earns in next week = $37.80

Total money Shamika have = First week earning + Second week earning

                                              = $25.75 + $37.80

                                              = $63.55

Don't add or subtract spending money, because the question is how much she have from these two weeks.

Hence Shamika have $63.55 from these two weeks.

8 0
3 years ago
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