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Anit [1.1K]
3 years ago
7

Raina bought three books at a bookstore. Here are their prices (in dollars). 18.8, 4, 9.38 What is the total amount Raina paid a

t the bookstore?
Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

$32.18

Step-by-step explanation:

It's really just addition. No explanation necessary.

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Answer this... Please?? I need to get a 100% on this please!
inn [45]
Range for a is 21
Range for b is 58
B has greater range
3 0
3 years ago
This table represents a function. plot points to represent the function as a graph. x. -4 , -1, 0, 2. y. 9, 3, 1, -3
slamgirl [31]

Answer:

-4,9

Step-by-step explanation:

(its kind of confusing but i will try my best to help) i get that anwser from the x      cordinate -4 and y coordinate 9  

8 0
3 years ago
Read 2 more answers
If the perimeter of a square is 20, find the length of a diagonal
avanturin [10]

Answer:

7.07

Step-by-step explanation:

<h2><u>Length</u></h2>

a square has equal length on each side

hence is the perimeter is 20 it means that :

each side is 20/4 = 5

we can make a diagonal line which create 3 right angled triangles

2 sides of the triangle are 5 , this is the base and the height

to find the length we can make use of the Pythagoras theorem

c^2 = a^2 + b^2

c is the hypotenuse ( the diagonal;)

a and b are the opposite and adjacent

hence :

c^2 = 5 ^2 + 5^2

c^2 = 50

c = \sqrt{50}

c = 7.071

to 3sf

<h3><u>diagonal length  = 7.07</u></h3>

6 0
3 years ago
Can anyone help me on any of the questions?​
ehidna [41]

Answer:

7.) about 3 inches per hour

Step-by-step explanation:

7 0
3 years ago
Please help I don’t understand how to do this
horsena [70]

Answer:

DOC = 70

BOC = 110

AOD = 110

Step-by-step explanation:

AOB is supplementary to BOC and AOD, which means together they equal 180. 180-70=110, so BOC and AOD are both 110.

AOB and DOC are vertical angles to each other, so are AOD and BOC. Vertical angles are always equal to each other. So since AOB is 70, so is DOC.

Hope this makes sense:)

5 0
3 years ago
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