Mathematics High School

A square has a diagonal that is 36 mm long. What is the area of the square?
If necessary, round your answer to the nearest whole number.

A Square Has A Diagonal That Is 36 Mm Long. What Is The Area Of The Square?If Necessary, Round Your Answer

Answers

Answer 1

Answer:

18mm

Step-by-step explanation:

in the triangle we will say:

36=x^2 +x^2

36=2x^2

so x will be = root 18

as the area = x*x

so root 18 * root18=18mm^2

Related Questions

5*95 math question ...................

Answers

Answer:

475

Step-by-step explanation:

the reason for this is because it just is

I really need help finding the solution!!

Answers

Answer:

-0.5 is not a solution

2 is a solution

Step-by-step explanation:

To check if something is a solution of the equation, you need to substitute the value in place of the variable

15 + 2y = -12 - 4y

15 + 2(-0.5) = -12 - 4(-0.5)

15 - 1 = -12 + 2

14 ≠ -10 ∴ -0.5 is not a solution

5 - 2(3x + 5) = 3 - 10x

5 - 2[3(2) + 5] = 3 - 10(2)

5 - 2(6 + 5) = 3 - 10(2)

5 - 12 - 10 = 3 - 120

-17 = -17 ∴ 2 is a solution

Use the figure below to answer the following questions.
What is m∠1?

70
50
90
40

Answers

Answer:

40

Step-by-step explanation:

why ? because the total angle measure in triangle is 180degree so we have a right angled triangle so 90+50 = 140

180-140 = 40

hope it's correct

if m∠2 = 88° then what does m∠4 = ????

Answers

Answer:

176°

Step-by-step explanation:

The are of the floor in George's square bedroom is 25ft squared. What is the length of his bedroom?If the height of his bedroom is 6ft, how much wall surface does he have in his room?Please answer I'll mark you as a brainlyest

Answers

Answer: The bedroom is 5 x 5, since that is the only square measure that would make 25 (5x5) ft^2. Assuming no doors, windows, or pinups, the wall area is 120 ft^2

Step-by-step explanation:

4 walls, with no doors or windows, would be 4x (5*6) = 120ft^2

...
PLEASE HELP!!

What is the equation of the line —3x – 2y = 30 in slope-intercept form?

Answers

Answer:

2nd option

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c

Given

- 3x - 2y = 30 ( add 3x to both sides )

- 2y = 3x + 30 ( divide terms by - 2 )

y = - [tex]\frac{3}{2}[/tex] x - 15 ← in slope- intercept form

Make a the subject of the formula where a is positive: a 6(a - 4b) = 2ac + 4d
​

Answers

Answer:

[tex]{ \tt{6(a - 4b) = 2ac + 4d}} \\ \\ { \tt{6a - 24b = 2ac + 4d}} \\ \\ { \tt{6a - 2ac = 4d + 24b}} \\ \\ { \tt{a(6 - 2c) = 4d + 24b}} \\ \\ { \boxed{ \tt{ \: a = \frac{4d + 24b}{6 - 2c} }}} \\ [/tex]

Which identity or property is used during the first step when solving the equation 5 − 8x = 1/2 (4x − 1)

Answers

Answer: Distributive Property

Step-by-step explanation:

Answer:

Step-by-step explanation:

5-8x=1/2 (4x-1)

5-8x=2x-1/2

10-16x=4x-1

-16x-4x=-1-10

-20x=-11

x=11/20

PLSSSS HELPPP ILL MARK BRAINLIEST SOMEONE PLSSSSSS!!!!!!!!!

Answers

Answer:

B

Step-by-step explanation:

because if you multiply the denominators

(a) 85% of 80 is what number?
(b) 21 is 35% of what?

Answers

Answer:

a) 68

b)60

Step-by-step explanation:

a) 85% = 0.85

0.85 * 80 = 68

b) let x be the unknown number.

35% = 0.35

0.35x = 21

x = 60

Answer:

Step-by-step explanation:

a, 85% of 80

85% of 80

= 85/100*80

=85/100*80

=0.85*80

=68.

b, 21 is 35%

21 is 35%

=21*35/100

=21*0.35

=7.35.

hope this helps you dear and have a nice day

A small bookstore sold between 5 and 8 books each day for 7 days. Tell whether the graph is continuous or discrete.

Answers

Answer:

i think the answer is contionous

PLS PLS PLS HELP ME!??(

Answers

Answer:

I asked this same question and I got this answer

Step-by-step explanation:

g (x) = 2x7x24 = 336

I'm not sure bc I asked the same question and got this answer from someone...

can you plz help me with 2 & 4

Answers

The first question is yes are parallel and the second one is no thy are not parallel

help pls, i will link question with 50 points

Answers

1. Y = 4x-7

2. y = -5/4+ 5

3. Y = -2x + 5

4. Y = 6

5. Y = -2/7x+0

6. Y = -1/2x + 15/2

2. Evaluate: 6.231 x 10^3
​

Answers

Answer:

6.231 × 10³

= 6.231 × 1000

= 6231

Step-by-step explanation:

brainliest plz

In seventh grade, Emile grew 3 9/10cm,and in eight grade he grew 4 2/5cm. How much did his height increase during these two years?

Answers

Answer:

8 3/10 cm

Step-by-step explanation:

Add Emile's 7th and 8th grade growth amounts together:

3 9/10 cm

4 4/10 cm           (This is equivalent to 4 2/5 cm.)

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

 7 13/10 cm, or

 8 3/10 cm

i’m so gonna fail math

Use the information given to write an equation in standard form.

6. Slope is 3, and (1. 4) is on the line.

7. Slope is -2, and (4,3) is on the line.

10. Slope is , and (1, 3) is on the line.

11. Slope - , and (2, 3) is on the line

Answers

The correct answers are:

6. 3x-y=-1

In slope intercept form this equation has a slope of 3 and point 1,4 is included on the graphed line: y=3x+1 is slope intercept form.

7. 2x+y=11

In slope intercept form this equation has a slope of -2 and point 4,3 is included on the graphed line: y=-2x+11 is slope intercept form

10. 4x-7y=-17

In slope intercept form this equation has a slope of 4/7 and point 1,3 is included on the graphed line: y=4/7x+17/7 is slope intercept form


11. 3x+2y=12

In slope intercept form this equation has a slope of -3/2 and point 2,3 is included on the graphed line: y=-3/2x+6 is slope intercept form


You basically just find the slope intercept form of each question then convert the intercept form over to standard form then graph in intercept form to see if the point lies on the line :)

Find the equivalent expression using the same bases.
(63 · 83)^9

Answers

6383^9/100^9 is the answer………../……..

This morning, Sarah's team started at zero and earned 5 points for perfect attendance. The team lost 10 points for disruptive behavior at lunch. Write an addition equation to describe how many points Sarah's team earned. Give the
sum.

Answers

0+5=5
5-10= -5
They started at 0. The team earned 5 points and lost 10. they ended up with -5 points.

x²+10+7=0 by completing the square

Answers

Answer:

x=−5+3–√2

x=−5−3–√2

Step-by-step explanation:

Solve x - (-9) = -14.

-23
23
5
-5

Answers

Answer:

Open the brackets for this,

x + 9 = -14

x = -14 - 9

x = -23.

-23 is the correct option.

-23 is the correct answer

When negative five is subtracted from a number the result is 10.

Find the number.

O 15
O -5
O -15
O 5​

Answers

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

Answer:

D. 5

Step-by-step explanation:

Ok, so the number is represented by n.

n-(-5)=10.

Negative Times Negative makes Positive. The equation is now:

n+5=10

Subtract 5 from both sides.

n=5

Help please i need to know this

Answers

Answer:true,true,false, true,false false

Step-by-step explanation:

Answer:

As shown in the attachment,

Step-by-step explanation:

What is the value of x that makes this equation true?
(10 raised to the power of 4) = 10 raised to the power of x

Enter only a number as your answer.

Answers

Answer:

pot0tsafgxxgcgcycguchchcui

Please answer these and find the slope intercept form for each one.
Best answer gets brainliest!

Answers

1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right

translate 3(x-y)=2y+9 into a verbal sentence

Answers

Answer:

3 times x then minus 3 times y equal 2y plus 9

Step-by-step explanation:

Not sure if it works......

that's the verbal sentence (which is not formal sentence) i can think of now......

Find the missing side of each triangle. Round your answers to the nearest tenth if necessary. (Please Show your work)

Answers

>> Answer

___________

[tex] \: [/tex]

[tex]\boxed{ \rm{answer \: by \: { \boxed{ \rm{☆HayabusaBrainly}}}}}[/tex]

Step by step :

This is question no picture soo iam in step question before.

x² = 3² + 4²

x² = 9 + 16

x² = 25

x = 5yd✔

Help me please due tommorow

Answers

Answer:

b bc its the right one :D i think

one-third of the sum of x and 2 as an expression ​

Answers

Answer:

[tex]\frac{1}{3}[/tex](x+2)

Step-by-step explanation:

Hope this helps! :)

Step-by-step explanation:

1) Let the number be x.

2) To find one-third of a number, divide the number by 3 ,

3) x÷3.

Freddy bought 3 bags of pebbles to put in his fish tank. Each bag contains 295 pebbles. After he put the right amount of pebbles in his fish tank, he had 104 pebbles left over. How many pebbles did he put in his fish tank?

Answers

295 x 3 = 885

885-104 = 781

781 pebbles

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