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nadya68 [22]
3 years ago
6

Help ! Easy 7th grade work ! I’ll give brainliest!

Mathematics
1 answer:
balu736 [363]3 years ago
5 0

Answer:

Step-by-step explanation:

a.  2415

b.  3124

c. 627

d. 8

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I will give u brianliest!
aleksley [76]

Answer:

a) 5.956x10^-24

b)8x10^29

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28 is equal to how many hundredths and tenths
natita [175]

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0 hundredths. 2 tenths and 8 ones

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What is the ratio of x to y?
abruzzese [7]
\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes (or the means):

\frac{2x+y}{2} = \frac{2x}{3} = k

so we have:

2x=3k
2x+y=2k therefore:
3k+y=2k
y= - k

x=\frac{3}{2} k

\frac{x}{y} = - \frac{3}{2}

The corect answer is A. -3/2

or:

\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes and the means:

\frac{2x+y}{2x} = \frac{2}{3}

We use a property of proportions:

\frac{a}{b} = \frac{c}{d}  where a, d are extremes and b,c are means and the product of the extremes equals the product of the means (a*d=b*c),

so we have

\frac{a-b}{b} = \frac{c-d}{d}  or

\frac{a+b}{b} = \frac{c+d}{d}  (you can check this also by "the product of the extremes equals the product of the means")

\frac{2x+y}{2x} = \frac{2}{3}

\frac{(2x+y)-2x}{2x} = \frac{2-3}{3}

\frac{y}{2x} = \frac{-1}{3}

3y = - 2x

\frac{x}{y} = -\frac{3}{2}



4 0
3 years ago
What is 24% of 234 and it has to be 20 characters long
frozen [14]

Answer:

56.16

We need to determine 24% of 234 now and the procedure explaining it as such

Step 1: In the given case Output Value is 234.

Step 2: Let us consider the unknown value as x.

Step 3: Consider the output value of 234 = 100%.

Step 4: In the Same way, x = 24%.

Step 5: On dividing the pair of simple equations we got the equation as under

234 = 100% (1).

x = 24% (2).

(234%)/(x%) = 100/24

Step 6: Reciprocal of both the sides results in the following equation

x%/234% = 24/100

Step 7: Simplifying the above obtained equation further will tell what is 24% of 234

x = 56.16%

Therefore, 24% of 234 is 56.16

please mark it Brainiest answer

5 0
2 years ago
Can someone please help me with this?​
Galina-37 [17]

1. yes

2. yes

3. no

4. no

5. yes

6. yes

7. 3,0,2

8. 10,7,5

9. 1,-2,0

10. 9,0,-6

11. 11,-1,-9

12. 36,0,-24

3 0
2 years ago
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