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Jlenok [28]
3 years ago
8

30 POINTS FOR THIS QUESTION PLEASE HELP ME!!

Mathematics
1 answer:
AveGali [126]3 years ago
3 0
The zeroes (where the line crosses the x-axis, these are also the solutions) and the vertex (the highest or lowest point)
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The mass of a typical raindrop is 8.7 x 10^-5 grams. What is 8.7 x 10^-5 in standard form?
eimsori [14]
Hello There!

8.7 *  10^{-5} is in standard index form.
Standard form is when it is the original number
The '-5' as a power means you need to shift the zero back 5 spaces.
Or, divide by 100,000.
If you do this, you would get 0.000087.

Thus, making it option B.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
6 0
3 years ago
Read 2 more answers
Juanita is having a party at her house she is inviting 12 people.there will be 3 times as many boys as girls invited. let x repr
Margaret [11]
X + 3x = 12 

(Or 4x=12)

the first x is the number of girls then the second x is the girls times 3, which is how many boys there are.
8 0
3 years ago
Factor the expression X2+4X +4
mash [69]

Answer:

A

Step-by-step explanation:

(x+2)(x+2)

= x^2+2x+2x+4

=x^2+4x+4

4 0
3 years ago
For students who first enrolled in two year public institutions in a recent​ semester, the proportion who earned a​ bachelor's d
kondaur [170]

Answer:

Null hypothesis =  H_0:p=0.395

Alternate hypothesis =H_a:p>0.395

Step-by-step explanation:

Given : In a recent​ semester, the proportion who earned a​ bachelor's degree within six years was 0.395.

The president of a certain college believes that the proportion of students who enroll in her institution have a higher completion rate.

To Find : Determine the null and alternative hypotheses.

Solution:

In a recent​ semester, the proportion who earned a​ bachelor's degree within six years was<u> 0.395. </u>

Claim : the proportion of students who enroll in her institution <u>have a higher completion rate.</u>

So,null hypothesis =  H_0:p=0.395

Alternate hypothesis =H_a:p>0.395

6 0
3 years ago
-8&lt;2x-4&lt;4 solve the inequality
il63 [147K]

Answer:

Step-by-step explanation:

The inequality will be split into two

It is know that, if a<b<c

Then a<b and b<c

-8<2x-4<4

Apply that to this

Then,

-8<2x-4. Equation 1

Also,

2x-4<4 equation 2

Solving equation 1

-8<2x-4

Add 4 to both side of the equation

-8+4<2x-4+4

-4<2x

Divide both sides by 2

-4/2<2x/2

-2<x

Note, if a is less than b, then, b is greater than a, e.g. 4 is less than 10, this implies 10 is greater than 4

Therefore,

-2<x

Then, x greater than -2

Equation 2

2x-4<4

Add 4 to both side of the inequalities

2x-4+4<4+4

2x<8

Divide both side by 2

Then,

2x/2<8/2

x<4

Therefore x is between -2 and +4.

Check attachment for graphical solution

7 0
3 years ago
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