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AURORKA [14]
2 years ago
6

Helpppppppp please i dont understand ​

Mathematics
2 answers:
RUDIKE [14]2 years ago
8 0

Answer:

(a) 64 days

(b) 2 phones calls

Step-by-step explanation:

Elden [556K]2 years ago
7 0
First blank is 64 (16/8=2 128/64=2)
Second blank is 2 (8/8=1 16/8=2)
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Consider the following numbers: 7000, 700, 70, 0.7, 0.07, 0.007
masya89 [10]

Answer:

7000= 7 x 10^{3}, 700= 7 x 10^{2}, 70= 7 x 10^{1}, 0.7= 7 x 10^{-1}, 0.07= 7 x 10^{-2}, 0.007= 7 x 10^{-3}

Step-by-step explanation:

YES

6 0
3 years ago
The ratio of girls to boys in the 6th grade is to 6to7 how many girls are there if there are 364total students
Rina8888 [55]

Answer:

168 girls.

Step-by-step explanation:

There are a total of 6 + 7 = 13 'parts'.

So one part = 364 / 13 = 28.

So the number of girls = 6 * 28

= 168.

4 0
3 years ago
10) A rhombus has a<br> diagonal 8.6 mm long<br> and an area of 81.7 mm. what is the<br> perimeter?
BaLLatris [955]

Answer:

P=41.72

Step-by-step explanation:

S=ACxDB/2

81.7=8.6xDB/2

81.7=4.3xDB|:4.3

19(mm)=DB

DO=19/2=9.5

OC=8.6/2=4.3

(O is the center of the rhombus, where two diagonals meet)

a²+b²=c² (DO²+OC²=DC²)

9.5²+4.3²=c²

90.25+18,49=c²

√108,74=√c²

c≈10.43

P=4c

P=4x10.43

P=41.72

Hope it helps:)

6 0
2 years ago
The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean o
Elis [28]
<span>mean of 3.2 pounds and standard deviation of 0.8 pound</span>
5 0
3 years ago
a carpet store charges 150 to install 12 square yards of carpet how much would it be for 24 square yards
ivanzaharov [21]

Answer:

$300

Step-by-step explanation:

  1. 150/12 to figure out how much to install one yard ($12.50)
  2. 24•12.50=300
4 0
2 years ago
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