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Helga [31]
2 years ago
14

Each day Diego's mother drives to her office in Baltimore. The driving distance from home to Baltimore, Maryland is 7 miles. On

her way home, she runs some errands at the mall so her driving distance is 8 miles How many miles does his mother drive going to work and coming home for 3 days?
Select the expression that represents the problem above

a) 7 + 8 + 3
b) (7 + 3) x 8
c) (7 + 8) = 3
d) (7 + 8) X3​
Mathematics
1 answer:
Sidana [21]2 years ago
6 0

Answer:

D

Step-by-step explanation:

(7+8)*3

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Find the value of 40% of 1KM (in m)​
labwork [276]

40% of 1 km in meters is 400 meters

<h3>What is percentage :</h3>

Percentage simply means per 100. Percentage can be express as decimal or fraction.

For example 25% of 80 can be found as follows:

  • 25 / 100 × 80 = 2000 / 100 = 20

From the example, 25% of 80 is 20 .

Therefore, 40% of 1 km(m) can be found as follows:

Let's convert km to metres.

1000m = 1km

40% of 1000

40 / 100 × 1000 = 40000 / 100 = 400metres

Therefore, 40% of 1 km in meters is 400 meters

learn more on percentage here: brainly.com/question/19540991?referrer=searchResults

5 0
3 years ago
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Adrienne answered all 21 multiple choice questions correctly on her science test, if her teacher decides to let one of the quest
prisoha [69]
Since there are 21 questions and one is extra credit, the fraction is 21/20. Divide it to get 1.05. In percent, this is 105%. Hope this helps!
6 0
3 years ago
A bag contains 5 red marbles, 3 blue marbles, 7 yellow marbles, and 2 green marbles. Which ratio can be used to compare the yell
Licemer1 [7]

Answer:

7:3

Step-by-step explanation:

The number of yellow marbles: the number of blue marbles

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3 years ago
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Which equation represents a circle with the same radius as
sattari [20]

Answer :

(x+1)^2+(y-1)^2=4^2 and (x+1)^2+(y-1)^2=16

Step-by-step explanation:

Given : A circle with the same radius as  the circle shown but with a center at (-1.1).

To find : Which equation represents a circle ?

Solution :

The equation of a circle with center (h,k) and radius r is given by :

(x-h)^2+(y-k)^2=r^2

Here, we are given (h,k)=(-1,1)

and radius r=4 units

So, equation of circle will be :

(x-(-1))^2+(y-1)^2=4^2

(x+1)^2+(y-1)^2=4^2

or (x+1)^2+(y-1)^2=16

Therefore, the required equations of circle are

(x+1)^2+(y-1)^2=4^2 and (x+1)^2+(y-1)^2=16

7 0
3 years ago
I need only part b help me please
FrozenT [24]
Your mom should know the answer just go ask her! But it is 205 plus 980-13057 which equals to 20
8 0
2 years ago
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