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MArishka [77]
3 years ago
11

49 is 70 of what number is sopost to be here

Mathematics
2 answers:
castortr0y [4]3 years ago
6 0
The answer is 70% if your trying to find the percentage if your trying to fing the of it will be 70 also
cricket20 [7]3 years ago
6 0
70% of a number is 49
70%    ×      n      =   49
70% = \frac{70}{100} = 0.7
0.7 × n = 49
Divide by 0.7 on either sides to isolate n
\frac{0.7n}{0.7} = \frac{49}{0.7}
0.7 and 0.7 cancels out
n = 70

49 is 70% of 70
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Given two vectors a⃗ = 4.60 i^+ 7.20 j^ and b⃗ = 5.10 i^− 2.70 j^ , find the scalar product of the two vectors a⃗ and b⃗ .
grin007 [14]
A=<4.60,7.20>
b=<5.10,2.70>
The scalar product, or the inner product, or the dot-product, is by summing the products of the respective directions, 
a.b=4.6*5.1+7.2*2.7
=23.46+19.44
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6 0
3 years ago
In a certain city, there are about one million eligible voters. A simple random sample of size 10,000 was chosen to study the re
Ronch [10]

Answer:

REQUIRED TEST STATICS IS 35.19

Step-by-step explanation:

total size of sample = 10,000

                                     men                            women

voted                           2777                            3466

did not vote                  1444                             2313

By chi square test we can find the relationship between gender and participation in the election

<em>X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}</em>

where

a represent  = 2777, b = 3466, c= 1444, d = 2313, N = 10000

Putting values to get chis square statics

<em>X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}</em>

<em>X^2 = = 35.159</em>

HENCE REQUIRED TEST STATICS IS 35.19

3 0
3 years ago
A number is 6 times another number and their difference is 30. What are the numbers? ​
Alenkasestr [34]

Answer:

x=36

y=6

Step-by-step explanation:

Let the numbers be x and y

Condition 1

x=6y ----------(1)

Condition 2

x-y=30 ------------(2)

Putting 1 in 2

6y-y=30

5y=30

Dividing both sides by 5

y=6

Now

Putting y=6 in 1

We get

x=6(6)

x=36

8 0
3 years ago
26.013 powers of ten
White raven [17]

Step-by-step explanation: So ig this wat you ASKED FOR?

3 0
3 years ago
Read 2 more answers
For which value of m is 4/16 = m/24 a proportion
AnnyKZ [126]

Answer:

A is the answer

Step-by-step explanation:

What you do is you cross multiply 24x4 which equals 96. Then, you divide by 16. Which gives us: m = 6

4 0
3 years ago
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