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Natalka [10]
2 years ago
11

Of the 345 7th graders, 40% of them are in band. How many 7 graders are in band?

Mathematics
2 answers:
pav-90 [236]2 years ago
6 0

So first you find 10% which is 34.5

Then you multiply 10% by 4 to get 40% which is = 138s

Yw

xz_007 [3.2K]2 years ago
3 0
So first you find 10% which is 34.5
Then you multiply 10% by 4 to get 40% which is = 138
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How much larger is 6.3 x 10^6 than 4.9 x 10^4 ?
antoniya [11.8K]

Answer: 625100

Step-by-step explanation:

To begin, we would start multiply both numbers one by one.

(6.3 x 10^6) - 4.9 x 10^4

6.3 x 10^6 = 6300000

4.9 x 10^4 = 49000

Now, subtract (6.3 x 10^6) and (4.9 x 10^4)

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8 0
3 years ago
E varies directly with the square root of C. If E=40 when C=25 find: E when C= 49
tiny-mole [99]

Answer: E = 56

Step-by-step explanation:

E is proportional to √C

To remove proportionality, introduce a constant (k).

E = k × √C

From question,

E = 40 and C = 25

So,

40 = k ×√25

40 = k × 5

k = 8

Now,

C = 49

k = 8

E = ?

E = k√C

E = 8 × √49

E = 8 × 7

E = 56

6 0
3 years ago
Read 2 more answers
Mathematics probability
Gelneren [198K]

Do you have a specific question or something like that which you need answering?

6 0
3 years ago
Find the domain and range with a vertex of (1,-2)
klemol [59]

Answer:

see explanation

Step-by-step explanation:

the domain ( values of x ) that a quadratic can have is all real numbers

domain : - ∞ < x < ∞

the range ( values of y ) are from the vertex upwards , that is

range : y ≥ - 2

3 0
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Convert both to either yards or inches and you can just add the numbers. B is the right answer.
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