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4 years ago

Help cause I haven’t been paying attention in class hehehe

Mathematics

2 answers:

kifflom [539]4 years ago

7 0

Answer:

1) g ≥ 17

2) g > -10

3) g > -1

Step-by-step explanation:

1) 7 (g-19) ≥ -14 divide both sides by 7

g - 19 ≥ -2 add 19 to both sides

∴ g ≥ 17

=======================================

2) 3(7g+17) > -19 + 14g

21g + 51 > -19 + 14g

21g - 14g> -19 - 51

7g > -70

g > -10

========================================

6(-6g+6) > -2(19g-17)

-36g + 36 > -38g + 34

-36g + 38g > 34 - 36

2g > -2

g > -1

========================================

icang [17]4 years ago

4 0

Answer:

g > -1

Step-by-step explanation:

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A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5 x 105meters by 4 x104 meter

gizmo_the_mogwai [7]

Answer: $A=2*10^{10}m^2$

Step-by-step explanation:

The area of a rectangle can be calculated with this formula:

$A=lw$

Where "l" is the lenght and "w" is the width.

You know that the dimensions of this rectangle are 5*10⁵meters and 4*10⁴ meters, then you need to multiply them to get the area:

$A=(5*10^5m)(4*10^4m)$

Since 10⁵ and 10⁴ have equal base, you must add the exponents:

$A=20*10^{(5+4)}m^2$

$A=20*10^9m^2$

Scientific notation has the form:

$a*10^n$

Where "a" is any number between 1 and 10 but less than 10, and "n" is an integer.

Since 20 is greater than 10, you must move the decimal point to the left:

$A=2.0*10^{10}m^2$

Rewriting the result, you get:

$A=2*10^{10}m^2$

5 0

3 years ago

Answer numbers 16-18

lana66690 [7]

Number 16- 216
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4 0

3 years ago

1800 tens equals blank thousands

kifflom [539]

18 thousands = 1800 what grade are u in

3 0

3 years ago

En la primera fase del proceso selectivo para Al cuerpo de profesores eliminan a cuatro novenos De los aspirantes mientras que e

irina1246 [14]

Answer:

The fraction of the applicants who have passed the two phases of the selection process is $\frac{10}{63}$ .

Step-by-step explanation:

The question is:

In the first phase of the selection process for the body of teachers they eliminate four-ninth of the applicants while in the second phase they eliminate 5/7 of those who passed the first phase. If there were 315 applicants what is the fraction of the applicants who have passed the two phases of the selection process?

The total number of applicants is

<em>N</em> = 315.

It is provided that 4/9th of the applicants were eliminated in the first phase.

Then the fraction of candidates who passed the first phase is:

Fraction who passed phase I = $1-\frac{4}{9}=\frac{5}{9}$

Now, it is also provided that 5/7 of those who passed the first phase were eliminated in the second phase.

Then the fraction of candidates who passed the second phase is:

Fraction who passed phase II = $1-\frac{5}{7}=\frac{2}{7}$

That is, 2/7 of the remaining applicants passed the second phase.

The fraction of the applicants who have passed the two phases is:

$\frac{5}{9}\times \frac{2}{7}=\frac{10}{63}$

Thus, the fraction of the applicants who have passed the two phases of the selection process is $\frac{10}{63}$ .

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3 years ago

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daser333 [38]

Answer:

Step-by-step explanation:

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3 years ago