1. Ms. Fox asked her class “Is the sum of 4.2 and √2 rational or irrational?” Patrick answered that the sum would be irrational. State whether Patrick is correct or incorrect. Justify you reasoning.

Answers

Answer 1

Answer:

correct

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

The sum doesn’t terminate or repeat


Related Questions

Jill babysat for 7 1/2 hours and earned $63.75. How much money does she earn per hour?​

Answers

Answer:

$8.50 per hour

Step-by-step explanation:

63.75 / 7.5 = 8.5

Which ones are incorrect and what did they forget

Answers

Why what????????????????

9=4(s-3)

Help me what’s the correct answer?

Answers

Answer:

 s=5 1/4

Step-by-step explanation:

Have a wonderful day

when you went to bed the temperature was -5.5 it fell 3.4 degrees overnight what is the temperature now

Answers

Answer:

-2.1

Step-by-step explanation:

3.4 minus -5.5

how many solutions does a independent system of equations have?

Answers

Answer:

one solution

An independent system of equations has exactly one solution (x,y) . An inconsistent system has no solution, and a dependent system has an infinite number of solutions.

Step-by-step explanation:

15 – 4(x – 3) = 5x + 9
I need the answer with work shown

Answers

Answer:

2

Step-by-step explanation:

15-4(x - 3)=5x+9

15-4x+12=5x+9

collect the like terms

27-9=5x+4x

18=9x

divide both sides by 9

x=2

Answer:

Your answer is: x = 2

Step-by-step explanation:

Hope this helped : )


Select all that apply. The number -2 is a...
A: Natural Number
B Whole Number
C Integer
D Rational Number
E Irrational Number
F Real number

Answers

Answer:

it is an integer

Step-by-step explanation:

bc it's -3

evaluate x2+x-12÷y2 for x = 5 and y =2​

Answers

Answer:

3

Step-by-step explanation:

- |4x+10|-7=-14 solve for x

Answers

Answer:I forgot how to solve that

Step-by-step explanation:

express 52/9 as a decimial

Answers

Hey there!

In order for you to convert/ express a fraction as a decimal you SHOULD:

DIVIDE the numerator (the TOP number) from the denominator (the BOTTOM number)

Now that we have that guide/side note we can answer your question, shall we?

52/ 9 = 5.777778

If you’re rounding to your Answer, then it’ll be: 5.78

Overall answer is: 5.777778 ✅

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

need help with this​

Answers

Answer:

Slope-int form: y = 3x+5

Standard form: y - 3x = 5.

Step-by-step explanation:

(reminder: slope-intercept form is expressed as y=mx+b, and standard form is expressed as ax+bx=c.)

Since the slope is 3, the coefficient of x is also 3, which makes the equation y=3x.

But the y coordinate of the equation at x = -2 is -6, so we need to add 5 to the end of the equation, leaving you with:

y=3x+5.

To convert it to standard form, subtract 3x from both sides:

y - 3x = 5.

I hope this helped you.

Calcule o valor de x, sabendo que as retas “e” “f” e “a” são paralelas
a)36
b)37
c)37,5
d)38

Answers

Answer:

c

Step-by-step explanation:

[tex]\frac{x}{25}=\frac{60}{40}\\\\By\:Thales's\:Theorem\\\\x=\frac{60*25}{40}\\\\x=\frac{60*5}{8}\\\\x=\frac{15*5}{2}\\\\x=\frac{75}{2}\\\\x=37.5[/tex]

i need help please for geometry

Answers

Answer:

EF ≈ 1.98

Step-by-step explanation:

Using the sine ratio in the right triangle

sin26° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{EF}{FD}[/tex] = [tex]\frac{EF}{4.5 }[/tex] ( multiply both sides by 4.5 )

4.5 × sin26° = EF

4.5 × 0.44 = EF , that is

EF ≈ 1.98 ( to 2 dec. places )

what is 4x +9 in a verbal expression?

Answers

Answer:

four times a number plus nine

Step-by-step explanation:

|8x+3|=12 what’s the answer

Answers

Answer:

x= 9/8 , -15/8

Step-by-step explanation:

Answer:

x = 1.125 , x = 9/8

Step-by-step explanation:

|8x+3| = 12

=> 8x + 3 = 12

=> 8x = 12-3 = 9

=> 8x = 9

=> x = 9/8

As 9/8 is a fraction let's make it a decimal.

9/8 * 125/125 (To make it into a power of ten so that we can convert)

=> 1125 / 1000

=> 1.125

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

What is the slope of y=-x perpendicular to the equation

Answers

[tex] \frac{1}{2} x[/tex]

Combined Variation:

The safe load for a horizontal beam supported at both ends varies
jointly as the width and the square of its depth and inversely as
the distance between the supports. If a 4 cm by 6 cm beam,
10 m long supports 5 kg when standing on the edge, what is the
safe load if the beam is turned on its side?

Answers

Answer:

The formula would be

wd^2c/l = p

(2*1^2c)/4 = 10

(2*1c)/4 = 10

2c/4 = 10

c = 20

3*2^2*20/6 = p

3*4*20/6 = p

240 pounds

hope it help :)

Step-by-step explanation:

The safe load if the beam is turned on its side will be 240 pounds.

What is a load?

A burden or pressure source that is carried by someone or something. Construction loads are defined as the weights placed on an existing or temporary structure both during and after the construction process.

Given that the safe load for a horizontal beam supported at both ends varies jointly with the width and the square of its depth and inversely with the distance between the supports. If a 4 cm by 6 cm beam, 10 m long supports 5 kg when standing on the edge,

The load will be calculated by using the formula below:-

wd²c/l = p

(2 x( 1 ) ²c)/4 = 10

(2x 1c)/4 = 10

2c/4 = 10

c = 20

3 x ( 2 )²x ( 20/6 ) = p

3 x 4x ( 20/6 ) = p

p = 240 pounds

Therefore, the safe load if the beam is turned on its side will be 240 pounds.

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I need help with this

Answers

Answer:

3 weeks.

Step-by-step explanation:

Answer:

3 weeks

Step-by-step explanation:

Hope this helps

Simple geometry that I don’t know cuz I’m a dum dum

Answers

x=15

you do 2(5x-5)=(6x+50) and simplify, then you get x=15.


y=7

Once again, you do (5y+5)=(7y-9) and simplify. you get y=7.


please leave a thanks and mark brainliest if you can

Verify the following: 3

−21 × −4 + −6 = −21 × −4 + (−21) × (−6)​

Answers

Answer:

the answer is -14 how about

study math next time

Answer:

Incorrect

Step-by-step explanation:

Use PEMDAS

Solve one side of the equation first

-21 × -4 + - 6

negative × negative = positive

84 + - 6

positive + negative = negative

84 - 6

78

Now solve the other side of the equation

-21 × -4 + (-21) × (-6)

negative × negative = positive

-21 × -4 + (126)

negative × negative = positive

84 + 126

210

Does 78 = 210?

No, so we can assume this equation is incorrect

What is 5280 divided by 60

Answers

Answer:

ya the answer is 88

Step-by-step explanation:

Solve sx+tx=r for x?

Answers

Answer:

x= r/s+t

Step-by-step explanation:

How many yards is 38.7 cm? Write your answer in scientific notation with 3 sig figs.

Answers

Answer:

=0.423 yards (3 sig figs.)

Step-by-step explanation:

38.7÷91.44

=0.4232283

=0.423 yards (3 sig figs.)

if PQ = 5 and QR = 17 , find PR

Answers

PR would be 17.72 as the hypotenuse, according to the measurements, is 17.72

Find the measure of the exterior angle.
64
76

Answers

Using the exterior angles theorem, the measure of the exterior angle(k) is 140 degrees.

How to find the exterior angles of a triangle?

The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.

The two remote interior angles are 76 degrees and 64 degrees.

Therefore,

76 + 64 = k

k = 140 degrees.

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pls help me with this

Answers

Answer:

I would say 3

Step-by-step explanation:

Most reasonable

You are trying to find the distance AB between two points on either side of a river. You
measure the following distance:

Answers

Answer:32ft

Step-by-step explanation: I missed this as well, ED and AB are the same and if you don’t read you skip over the fact ED equals 32ft. Since ED and AB equal eachother it would be 32ft

The value of AB = 32 feet

What is congruency ?

Congruent shapes are shapes that are exactly the same. The corresponding sides are the same and the corresponding angles are the same.

Given:

EC= 32 ft = BC

DC= 28 ft =AC

<ECD= <BCA

So, In ΔECD and ΔBCA

EC = BC

DC= AC

<ECD= <BCA

Thus, by SAS ΔECD ≅  ΔBCA

Hence, by CPCT : ED= BA = 32 ft.

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Choose the scenario below that matches this number sentence:

27 ÷ 5

A) 27 people share 5 bags of chips.
B) 5 people share 27 brownies.

Answers

Step-by-step explanation:

B 27 bags of chips by 5 people

Answer:

B) 5 people share 27 brownies.

Step-by-step explanation:

This is the answer because:

1) If 5 people are sharing 27 brownies, it means they are basically asking, how many brownies did each person get. Then, we would write the numerical sentence: 27 ÷ 5 because we want to know how many brownies each person got.

Hope this helps! :D

In order to become a member of the library-all-star-members club, there is a $40 sign-up fee and a $2monthly fee. Write an equation in slope- intercept form that models this situation​

Answers

Answer:

y = 2x + 40

Step-by-step explanation:

Y is the total cost.

2 is dollars per month.

X is the number of months.

40 is the sign up fee.

Answer:

2x+40

Step-by-step explanation:

Left after party and you want to split it into four pieces what fraction of the original cake is each slice? A) 1/8. B) 1/4. C) 1/2. D) 2/1

Answers

Answer:

1/4

Step-by-step explanation:

because you are spitting it into fourths

Answer:

1/8

Step-by-step explanation:

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