Which graph has a y-intercept of - 1/2 ?

Answer:

2800-0

Step-by-step explanation:

yes like seriously tho if u didn't put that then u got urself an answer

Answer:

Step-by-step explanation:

There are lots of ways

to make 2,800. In this case,

I made each example a different sign,

making an example for each sign will be better than just addition or just any other sign.

Hope this helps! <3

Answer:

B, D, C

Step-by-step explanation:

Answer:

13.3

Step-by-step explanation:

true

Answer:

7 7/24

Step-by-step explanation:

make it a mixed number and multiply then simplify

7/4 x 25/6

25 x 7=175

6 x 4=24

175/24

7 7/24

You would multiply top and bottom by [tex]\sqrt{3}[/tex] to go from [tex]\frac{1}{\sqrt{3}}[/tex] to [tex]\frac{\sqrt{3}}{3}[/tex]

Multiplying a square root by itself is the same as squaring the value.

So, [tex]\sqrt{x}*\sqrt{x} = (\sqrt{x})^2 = x, \ \ \text{ when } x \ge 0[/tex]

Which is why we're able to get rid of the square root in the denominator. The square root and squaring operation effectively cancel each other out.

Answer:

i think its 21

Step-by-step explanation:

Answer:

e ok

Step-by-step explanation:

ill make something after this brain :D

...............................................................

Answer:

f

Step-by-step explanation:

f

Answer: a=2x 3 b=3y 5 (2x 3 -3y 5) (4x 6 +6x 3 y5 +9y 10)

Step-by-step explanation:

Answer:

The remainder is 5a

Hope this helps

Answer: 340$$$

Step-by-step explanation:

Basically you divide 680 by 2 cause 2 is half which is the same as 50% so its 340

346 I think

Step-by-step explanation:

750-348=402

402-201=201

201+145=346

Answer:

Arbaz is expected to pay $145.2 every moth after one year.

Step-by-step explanation:

We know that 150 dollars is owed every month. And after every 12 months the cost he has to pay a month decreases by 3.2% meaning we have to find what 3.2% is of 150. So we convert 3.2 into a decimal getting us 0.032

150 x 0.032 = 4.8

Now we know what 3.2% is of 150 so we subtract 4.8 from 250 and get 145.2

150 - 4.8 = 145.2

Answer:

C.6

Step-by-step explanation:

12-10=2, 12/2=6

,,,,,,,

Answer:

0.15

Step-by-step explanation:

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Answer:

x = 75° and y = 105°

Step-by-step explanation:

In the given figure

∵ The angle of measure (180 - x) and the angle of measure y are

   corresponding angles

∵ Corresponding angles are equal in measures

→ Equate their measures

∴ 180 - x = y ⇒ (1)

∵ The angle of measure y and the angle of measure 75° are linear angles

∵ The sum of the measures of the linear angles is 180°

→ Add their measures and equate the sum by 180°

∴ y + 75 = 180

→ Subtract 75 from both sides to find y

∵ y + 75 - 75 = 180 - 75

∴ y = 105°

→ Substitute the value of y in (1)

∵ 180 - x = 105

→ Subtract 180 from both sides

∵ 180 - 180 - x = 105 - 180

∴ - x = - 75

∵ Divide both sides by -1 to find x

∴ x = 75°

Answer:

X = 2

Y = -3

Step-by-step explanation:

     Now you have 2, -3

Answer:

54

Step-by-step explanation:

63x 6/7

Answer:

Idek but B and C are parallel

Step-by-step explanation:

Answer:

The correct answer is:

stratified sampling

Step-by-step explanation:

Stratified sampling is a type of sampling method where the population to be sampled is divided into subgroups or strata and then random selection is made, and these strata are formed based on some shared common characteristics. In this example, the population to be sampled is a population of professors, but the researcher went further to divide this group into professors, assistant professors, associate professors, adjunct professors, and visiting profesors.

Answer:

4

Step-by-step explanation:

take 1 9/10 change it to 19/10 + 3/4. You will need to have a common denominator for any addition or subtraction with fractions. We multiply 19/10 by 4 to get 76/40. Multiply 3/4 by 10 to get 30/40. Now we have a common denominator.

Add across 76 + 30 = 106/40. Now simplify. How many times does 40 go into 106?

4 times. No remainder.

Answer:

f(2) = 7

Step-by-step explanation:

Solve for f(-2) in f(x) = 3x + 1

x = -2

Plug in -2 for x in the equation:

f(2) = 3(2) + 1

Remember to follow PEMDAS. First, solve the multiplication, then add:

3 * 2 = 6

6 + 1 = 7

f(2) = 7 is your answer.

~

Step-by-step explanation:

[tex]{:}\longrightarrow[/tex][tex]\sf f (x)=3x+1 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf f (-2)=3 (-2)+1 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf f (-2)=-6+1 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf f (-2)=-5[/tex]

This question is incomplete

Complete Question

In a test with a mean of 100 and a standard deviation of 10, what is the standard score for a test score of 120?

Answer:

The standard score = 2

Step-by-step explanation:

The formula for Test (T) score is given as:

T score = zσ + μ

z = Standard or z score = ??

Standard deviation (σ) = 10

Mean (μ) = 100

Test score = 120

120 = 10z + 100

120 - 100 = 10z

20 = 10z

z = 20/10

z= 2

Therefore, the standard score = 2

This question is incomplete, the complete question is;

Shoppers enter Hamilton place mall at an average of 120 per hour

what is the probability that at least 20 shoppers but no more than 23 shoppers enter the  mall between noon and 12:30 p.m.?

Answer:

the probability that at least 20 shoppers but no more than 23 shoppers enter the  mall between noon and 12:30 p.m

is 4.20787 × 10⁻⁸ ≈ 0.0000000420787  

Step-by-step explanation:

the probability that at least 20 shoppers but no more than 23 shoppers enter the  mall between noon and 12:30 p.m;

interval between noon and 12:30 is 30min

now the shoppers enter an average of  [(120 × 30) / 60] = 60 per 30min

so

P( 20 ≤ X ≥ 23 ) = P( X=20 ) + P( X=21 ) + P( X=22 ) + P( X=23 )

= [(e⁻⁶⁰(60)²⁰) / 20!] + [(e⁻⁶⁰(60)²¹) / 21!] + [(e⁻⁶⁰(60)²²) / 22!] + [(e⁻⁶⁰(60)²³) / 23!]

= [1.3159 × 10⁻⁹] + [3.7598 × 10⁻⁹] + [1.0254 × 10⁻⁸] + [2.6749 × 10⁻⁸]

= 4.20787 × 10⁻⁸ ≈ 0.0000000420787  

therefore the probability that at least 20 shoppers but no more than 23 shoppers enter the  mall between noon and 12:30 p.m is 4.20787 × 10⁻⁸ ≈ 0.0000000420787  

Answer:

width: 7 length: 18

Step-by-step explanation:

they tell us the length is 2 times the width plus 4 more so the equation for one of the lengths is

2x + 4, where 'x' is the value of one width. but, because there are two sides for each the length and the width, the final equation will be:

2(2x + 4) + 2(x) = 50

then simplify and solve for 'x'