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lora16 [44]
3 years ago
9

Fill in the blank. ___ x 9 = 45? Please

Mathematics
2 answers:
kirza4 [7]3 years ago
8 0

Answer:

?=5

Step-by-step explanation:

Multiples of 9:

10x9=90

9x9=81

8x9=72

7x9=63

6x9=54

<u>5x9=45</u>

4x9=36

3x9=27

2x9=18

1x9=9

0x9=0

Memorize the multiplication table. It is useful.

tia_tia [17]3 years ago
6 0

Answer:

The correct answer is "5"

5 times 9 equals 45.

5 x 9 = 45

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A) Find the distance of line segment PR. Round answer to the nearest tenth. B) Find the distance around the park (perimeter).
juin [17]

Answer:

A. PR = 80.6 yd

B. Perimeter = 190.6 yd

Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}

PR = \sqrt{(70)^2 + (-40)^2}

PR = \sqrt{4,900 + 1,600}

PR = \sqrt{6,500}

PR = 80.6 yd (nearest tenth)

B. Distance around the park = Perimeter = PR + PQ + QR

PR = 80.6 yd

PQ = |50 - 10| = 40 yd

QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

Perimeter = 190.6 yd

7 0
2 years ago
A student wants to construct the inscribed circle of a triangle. What is the first step she should take?
Leviafan [203]
D) construction of the angle bisector.
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I have drawn a diagram
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4 0
2 years ago
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Triangles ABC and DEF are similar
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Did u get the answers cuz I got the same question

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2 years ago
How do I uses these
andrezito [222]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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270 american dollar and recevied 3000 pesos when he returned from mexico he had 100 pesos left. how many will he recevie when he
AURORKA [14]
To solve this problem we can use simple proportion
If 
270$ -------------------------3000 pesos
x $  ---------------------------100 pesos               (x$ means that we dont know how much)
Now we crossmultiplying to get proportion
x*3000=270*100
Now we just to solve eq
3000x=27000  /:3000
x=27000:3000
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7 0
2 years ago
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