Evaluate 14 – 4 – 2h when p=1 and h=4.

Answer:

Margaret's estimated length is between 55.575 inches and 61.425 inches.

Step-by-step explanation:

I believe this is enough explanation

Percent error is error in percentage compared to original measurement. The range of values representing Margaret's estimated length is [tex]M \in [ 55.575, \: \: 61.425] \: \rm (in \: inches)\\[/tex]

If the measurement of the object is measured to be M, and the percent error in the measurement is estimated to be E%, and O is the original measurement of the object being measured then:

[tex]\rm M \in O \pm E\% \: \rm of \: \rm O[/tex]

where O is the original measurement of the object being measured.

This decides the range of values in which the original measurement can fall in. It is [tex]\rm [ O - \text{E\% of O}, \: \: O + \text{E\% of O}][/tex]

For the given case, we have:

Original measurement of the desk = O =  [tex]58\dfrac{1}{2} = 58 + 0.5 = 58.5 \: \rm inches[/tex]

E% = percent error in measurement = 5%

Let M denotes the estimated measurement of the desk by Margaret.

Then, [tex]M \in \rm [ 58.5 - \text{5\% of 58.5}, \: \: 58.5 + \text{5\% of 58.5}] \: \rm (in \: inches)[/tex]

5% of 58.5 is:

[tex]\dfrac{58.5}{100} \times 5 = 2.925[/tex] (inches).

Thus, the value of M will lie in:

[tex]M \in \rm [ 58.5 - 2.925, \: \: 58.5 +2.925] \: \rm (in \: inches)\\\\M \in [ 55.575, \: \: 61.425] \: \rm (in \: inches)\\[/tex]

Thus, the range of values representing Margaret's estimated length is [tex]M \in [ 55.575, \: \: 61.425] \: \rm (in \: inches)\\[/tex]

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Answer:

0.25

Step-by-step explanation:

Number of people whose age is less than 20 is given by

120 - 90 = 30

Probability P that a person selected at random from the group is less than 20 is gieven by

30 / 120 = 0.25

Person having age less than 20=120-90=30

[tex]\\ \tt\hookrightarrow P(E)=\dfrac{|E|}{|S|}[/tex]

[tex]\\ \tt\hookrightarrow P(E)=\dfrac{30}{120}[/tex]

[tex]\\ \tt\hookrightarrow P(E)=\dfrac{1}{4}[/tex]

Answer:

table 3 and table 12 show a proportional relationship

The coordinate points in the table D shows proportional relationship.  Therefore, option D is the correct answer.

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is known as the "constant of proportionality".

A) Slope= (3-2)/(4.5-3) =1/1.5

Slope= (8-4)/(12-8) = 4/4 =1

B) Slope= (60-15)/(4-1)

= 45/5

= 15

Slope= (120-70)/10-5)

= 50/5

= 10

C) Slope= (3-2)/(12-8)

= 1/4

Slope= (5-4)/(16-14

= 1/2

D) Slope= (10-5)/(2-1)

= 5

Slope= (35-25)/(7-5)

= 10/2

= 5

Therefore, option D is the correct answer.

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Answer:

Top right mark brainliest press the crown

Step-by-step explanation:

Answer:

The second one/right of 1rst one

Step-by-step explanation:

Clock 1 is passed the 2 which means 10  and the clock cannot be passed the 10 with the big hand but it is.

The bottom right 1 is 1:10 because  if it was 2 the little hand would be passed the 2.

And clock D is also not passed the 1,it is close bu not quite on the 2 so your answer s top left corner.

Answer:

(2ab + 1) • (4a2b2 + 2ab + 1)

——————————————

8

this is the answer I ended up with

Answer:

Step-by-step explanation:

What is the measurement of these congruent angles ?

14x - 5 = 13x

14x - 13x = 5

x = 5

-----------------------

check & angles

14 * 5 - 5 = 13 * 5

65 = 65

the answer is good

-----------------------------

Step-by-step explanation:

1.(12×2+1)/2 - (4×9+1)/4 = 3¼.

2.(5×4+3)/4 - (12×2+5)/12 = 3⅓.

3.(5×7+1)/5 - (10×3+7)/10 = 3½.

4.(3×11+2)/3 - (2×8+1)/2 = 3⅙.

Answer:

Step-by-step explanation:

The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign. For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line.

Answer:

See below

Step-by-step explanation:

The absolute value of a number is its POSITIVE distance from 0. We notate absolute value as |x|.

For example, if you wanted to determine the absolute value of -5, you would write it as |-5| which is 5.

-5 is 5 away from 0, so this confirms the answer is right.

Answer:

-3

-4

-5

-6

Step-by-step explanation:

Answer:

:p= kqr12=k(8)(3)12=24k12/24=k 0.5=k or k=0.5p=0.5

Step-by-step explanation:

The area of the polygon is the sum of the area of rectangle + area of triangle = 316 cm². (Option C)

The polygon is composed of a triangle and a rectangle.

Area of the polygon = Area of Triangle + Area of Rectangle

Area of Rectangle = length × width

Length = 21 cm

Width = 14 cm

Area of rectangle = 21 × 14 = 294 cm²

Area of Triangle = 1/2(base × height)

Base = 21 - 10 = 11 cm

Height = 18 - 14 = 4 cm

Area = 1/2(11 × 4) = 22 cm²

Therefore:

Area of Polygon = 294 + 22 = 316 cm².

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Answer:

316

Step-by-step explanation:

is the only one i got right

Answer:

[tex]x_1=\frac{5+\sqrt{33}}{4}\approx2.6861\\ \\x_2=\frac{5-\sqrt{33}}{4}\approx-0.1861[/tex]

Step-by-step explanation:

[tex]2x^2-5x-1=0\\\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-(-5)\pm\sqrt{(-5)^2-4(2)(-1)}}{2(2)}\\ \\x=\frac{5\pm\sqrt{25+8}}{4}\\ \\x=\frac{5\pm\sqrt{33}}{4}\\ \\x_1=\frac{5+\sqrt{33}}{4}\approx2.6861\\ \\x_2=\frac{5-\sqrt{33}}{4}\approx-0.1861[/tex]

one of them

when 45 is a degree use the first one

Answer:

7

Step-by-step explanation:

94-87=7

Answer:

90 because the line in the middle of the box (not exactly the middle but okay) is considered the IQR.

Answer:

28 PACKAGES

Step-by-step explanation:

578/21=27.5238095238 but rounding 28 PLEASE MARK ME AS BRAINLIEST

Answer:

1.2 hours

Step-by-step explanation:

240=(110+90)t

240=200t

t=6/5

t=1.2

It will take 1.2 hours (or 1 hour and 12 minutes) for the two trains to meet.

To find how long it will take for the two trains to meet, we can use the concept of relative speed. When two objects are moving towards each other, their relative speed is the sum of their individual speeds.

Let's calculate the relative speed of the two trains:

Relative Speed = Speed of Train A + Speed of Train B

Relative Speed = 110 miles per hour + 90 miles per hour

Relative Speed = 200 miles per hour

Now, the distance between the two trains is 240 miles. To find the time it takes for them to meet, we can use the formula:

Time = Distance / Relative Speed

Time = 240 miles / 200 miles per hour

Time = 1.2 hours

So, it will take 1.2 hours (or 1 hour and 12 minutes) for the two trains to meet.

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Step-by-step explanation:

Given that

From the figure :

m angle 1 = 48°

Let m angle 2 = x°

And it is clearly m angle 1 and m angle 2 = 90°

90° = m angle 1 + m angle 2

Substitute the above values in equation then

⇛90° = 48°+x°

Shift the constant 50 from RHS to LHS, changing it's sign.

⇛ 90°-48° = x°

⇛42° = x°

⇛ x° = 42°

Therefore, m angle 2 = 42°

Answer: Hence, the value of m angle 2 is 42°

Additional comment:

The sum of the two angles is 90° then they are Complementary angles. The Complementary angle of x° is (90-x)°

Please let me know if you have any other questions.

Answer:3 than 4 but the bottom is all wes going to stay 12

Step-by-step explanation:

Answer:

in the image

answer in box is in image 3

Step-by-step explanation:

explanation is in the image above

Answer: 72 cm

Step-by-step explanation:

The diameter is twice the radius, in other words just multiply the radius by 2.

36*2= 72 (You could also just add 36 to itself). I hope this helps!

Answer:

-0.970199

Step-by-step explanation:

Answer: 36

Step-by-step explanation: lemur sleeps 16. sloth sleeps 4 + 16, so sloth sleeps 20. Add lemur + sloth so 16 + 20 = 36.

Answer:

1) -4

2) 2/3

Step-by-step explanation:

1) f(x)=x+4

*subtract 4 to both sides

x=-4

2) f(x)=3x-2

*add 2 to both sides then divide by 3*

x= 2/3

hope this helps :)

Step-by-step explanation:

I just answered this ...

the first thing we notice : the quadrilateral has 2 pairs of equally long sides with 2 angles being openly 90°.

so, we are dealing with a rectangle here.

we know that one pair of the sides (NK = LM) are 24 cm long.

and we know that KL:LM = 3:4.

that means that the pair KL = MN are the shorter sides of the rectangle. and their length is according to the ratio 3/4 of NK=LM.

3/4 × 24 = 18 cm

the area of that rectangle is therefore

18 × 24 = 432 cm²

Answer:

-6

Step-by-step explanation:

<2 = 80°

since the triangle is isosceles 180-(50+50)=80

80 = x + 86

x=-6

Answer:

formula is

WHL

Step-by-step explanation:

so answer will

0.20507cm³

Answer:

270 minutes = 4 hours, 30minutes

250 minutes = 4 hours, 10 minutes

so 3 hours, 50 minutes is the shortest