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professor190 [17]
3 years ago
5

How many numbers of the set {1, 2, 3, 4, . . . , 297, 298, 299, 300} are multiples of 10 but not multiples of 15?

Mathematics
2 answers:
slega [8]3 years ago
5 0

Answer:

I get 20

Step-by-step explanation:

While there probably is some logical way to go about this I just did it in excel

screenshot below

kupik [55]3 years ago
5 0

Answer:

20

Step-by-step explanation:

10

20

40

50

70

80

100

110

130

140

160

170

190

200

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280

290

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What is 2.9% of 1000
777dan777 [17]

' 2.9% ' means ' 0.029 '

' of ' means ' times '

' 2.9% of 1,000 ' means ' 0.029 x 1,000 '

   0.029 x 1,000 = <em>29</em>


3 0
3 years ago
Read 2 more answers
72.2 is incorrect :( i don’t know how to solve this <br> (Geometry)
Triss [41]

AC and DB are the same length. Set the two to equal each other and solve for y.

9y + 1 = 8y +17

Subtract 8y from both sides:

y + 1 = 17

Subtract 1 from each side:

y = 16

Now you know Y you can find the the length of DB:

DB = 8y +17 = 8(16) +17 = 128 + 17 = 145

EB is half of DB:

EB = 145 / 2

EB = 72.5

6 0
3 years ago
Hey guys did you know Brainly has a very nice app with some cool camera features?
love history [14]
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6 0
3 years ago
Calculate the area of the irregular polygon shown below:
MAXImum [283]
That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
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5 0
3 years ago
Can somebody please clearly (and correctly) explain how to successfully work out this question?
STatiana [176]

Answer:

No

Step-by-step explanation:

To calculate the number of tiles needed

divide 4m by 0.2m for row of tiles ⇒ 20 tiles per row

divide 3m by 0.2m for column of tiles ⇒ 15 tiles per column

number of tiles = 20 × 15 = 300

number of packs = 300 ÷ 10 = 30

cost = 30 × £34.99 = £1049.70

Since she has £1000 to spend and £1049.70 > £1000

She does not have enough to cover the wall




6 0
3 years ago
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