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right TRIANGLE can, and MUST, have exactly TWO acute angles. ... As a right triangle has one angle equal to 90∘ , this means the sum of the remaining two angles must be 180∘−90∘=90∘ . THUS, both of the remaining two angles must have a measure less than 90∘ and therefore must be acute.

Answer:

45°

Step-by-step EXPLANATION:

LET the ANGLE be x°

then it's COMPLEMENT angle=90°-x°

Given that complement and the angle are equal

so, x°=90°-x°

=>x°+x°=90°

=>2x°=90°

=>x°=90°/2

therefore x°=45°

The angle is 45°

Answer:

to get this, we just use ratio and proportion:

LET X = weight of 150 books.

108 books : 30 KG = 150 books : x kg

we can THUS rewrite this as

108/30 = 150/x

3.6 = 150/x

x = 150/3.6

x = 41.67 kg

(B) we also use ratio and proportion here:

let y = number of books that has weight of 20 kg.

108 books : 30 kg = y books : 20 kg

thus,

108/30 = y/20

3.6 = y/20

y = 3.6*20

y = 72 books

hope this helps~ :)

Answer:

1.5 KM is very currently answer mate

Please THANKS me 10 thanks only

Step-by-step explanation:

Answer:

Step-by-step EXPLANATION:

The answer is 12

As she has 5 sweets left thus 53-5 = 48

Then we MUST DIVIDE it by 4

48÷ 4 = 12

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Answer:

8/7.

7^n( 7^2-9)

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

7^n*7*5

7^n*40

-----------

7^n*35

40/35 =8/7

Step-by-step EXPLANATION:

solution :-

let the common RATIO be x

so the ANGLE BECOME 5x, 3x, 10x,

Now we know that 5x+3x+10x=180

So, 18x =180

x=180/18

x=10

Then first angle 5×10=50°

Second angle 3×10=30°

third angle 10×10=100°

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Answer:

40+(-38)-4X =2-4x

Step-by-step explanation:

2-4x=9. -4x=7. x=-7/4

Answer:

6x²+7x-10=0

6x²+12x-5x-10=0

6x(X+2)-5(x+2)=0

(6x-5)(x+2)=0

so, x= -2 or 5/6

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by $ brainlyking8》

ANSWER:

what is the QUESTION BRO ???

ANSWER:

answer for the GIVEN PROBLEM is given

PLOT the POINTS in GRAPH PAPER

ANSWER:

here is your answer...

Step-by-step EXPLANATION:

HOPE it HELPS you

ANSWER:

· Ex1.5, 5 Rationalize the denominators of the following: (i) 1/√7 We NEED to rationalize i.e. REMOVE root from DENOMINATOR Hence multiplying and dividing by √7 1/√7 = 1/√7 ×√7/√7 ...

Step-by-step explanation:

explain your QUESTION i can't UNDERSTAND LAST line

ANSWER:

Step-by-step explanation:

4=11-y​

Y=7

ANSWER:

what is N here

mean FORMULA is SUM of all no. / no. of no.

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ANSWER:

- 5/7

this is the answer

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Step-by-step explanation:

Express1.272727… in the form

, where p and Q are integers and q ǂ 0

Step-by-step explanation:

4y × 2 - 1 + 2y = 10X

10Y - 1 = 10x

hope this helps you

Step-by-step explanation:

8y³ - 125x³

(2Y)³ - (5X)³

(2y - 5x) {(2y)² + 2y.5x + (5x)²}

(2y - 5x) (4y² + 10XY + 25x²)

hope it will HELP u..........

ANSWER:

the answer is 1.3 PLEASE MARK as BRAINLEST

ANSWER:

I can't understand PLEASE MARK be BRAINLIST

ANSWER:

• TAKE a NUMBER LINE
• get the LCM of all these numbers
• Plot them on the line

ANSWER:

-5yz

Step-by-step EXPLANATION:

= COEFFICIENT of X in -5xyz=-5yz

ANSWER:

It is NOM- terminating.

this is because the denominator should have only 2 and 5 as it's FACTOR. But this is not the case here.

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ANSWER:

what is that?

Step-by-step EXPLANATION:

ANSWER:

7 and W are the cofficient

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ANSWER:

LET 50 be divided into two PARTS such that one of the part be x and the other part THUS be (50-x). Hence 50=50-x+x.

ANSWER:

-3/5 -3/5-3*4-25*2

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When the axes are translated to the POINT (1,

2

1

), the equation 5x

2

+4xy+8y

2

−12x−12y=0

transforms to

Share

Study later

ANSWER

⇒Let the point (x,y) on the line changes to (X,Y) on shifting the origin to (h,k).

Then, x=X+h,y=Y+k

⇒x=X+1,y=Y+

2

1

So, the equation transform to ...(substitute the values of x and y in the given equation of question)

⇒5(X+1)

2

+4(X+1)(Y+

2

1

)+8(Y+

2

1

)

2

−12(X+1)−12(Y+

2

1

)=0

⇒5X

2

+4XY+8Y

2

−9=0

So, the TRANSFORMED equation is 5X

2

+4XY+8Y

2

=9.

ANSWER:

I THINK answer is OPTION ( d )

here is your answer...

Given :

A student scored 25% marks then he is failed by 210 marks.

But he SCORES 55% then he is passed with 240 marks.

Let the maximum marks be x

According to the question,

25% of x + 210 = 55% of x - 240

=> 0.25x + 210 = 0.55x - 240

=> 0.25x - 0.55x = - 240 - 210

=> - 0.30x = - 450

=> x = - 450/- 0.30 = 1500

Find the passing percentage :-

Pass marks = 25% of 1500 + 210

= 375 + 210

= 585

Pass percentage = (pass marks × 100)/Maximum marks %

= (585 × 100) / 1500 %

= 58500/1500 %

= 39 %

Hence,

Passing percentage = 39%

thanks

ANSWER:

he covered 5358km in total.

Step-by-step EXPLANATION:

HOPE it helps u. PLS mark me as the BRAINLIEST.

Step-by-step explanation:

From the figure we KNOW that ∠AOB is a STRAIGHT line So we get ∠AOB = 180o It can also be written as ∠AOC + ∠COD + ∠BOD = 180o By SUBSTITUTING the VALUES (3x – 7) o + 55o + (x + 20) o = 180o 3x – 7o + 55o + x + 20o = 180o On further calculation 4X + 68o = 180o 4x = 112o By division x = 28o By substituting the value of x we get ∠AOC = (3x – 7)o = 3(28o) – 7o On further calculation = 84o – 7o By subtraction = 77o ∠BOD = (x + 20)o = (28 + 20)o By addition = 48oRead more on Sarthaks.com - https://www.sarthaks.com/716779/in-the-adjoining-figure-aob-is-a-straight-line-find-the-value-of-x-hence-find-aoc-and-bod

ANSWER:

ADJACENT ANGLES are co interior in parallelogram

let ONE angle be x

adjacent angle=2/5x

now x+2/5x=180

=>x=180*5/7=900/7

adjacent angles = 360/7

angles =900/7,360/7,900/7,360/7

ANSWER:

a) 1794

b)163

c)111

d)561

Hope it helps.

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Step-by-step EXPLANATION:

Step-by-step explanation:

Given,

Two linear equations such that,

x - \frac{2}{3} y = \frac{8}{3} \: \: .............(1)x−

3

2

y=

3

8

.............(1)

And,

\frac{2}{5} x - y = \frac{7}{5} \: \: \: \: ..........(2)

5

2

x−y=

5

7

..........(2)

Now,

To solve this pair of linear equations,

MULTIPLY the eqn (1) by \frac{2}{5}

5

2

Therefore,

We get,

= > \frac{2}{5} x - \frac{4}{15} y = \frac{16}{15} \: \: \: \: \: ........(3)=>

5

2

x−

15

4

y=

15

16

........(3)

Now,

ELIMINATING the x TERM,

SUBTRACT eqn (3) from eqn (2)

Therefore,

We get,

\begin{lgathered}= > - y - ( - \frac{4}{15} y) = \frac{7}{5} - \frac{16}{15} \\ \\ = > - y + \frac{4}{15} y = \frac{(7 \times 3) - 16}{15} \\ \\ = > \frac{ - 15y + 4y}{ \cancel{15}} = \frac{21 - 16}{ \cancel{15}} \\ \\ = > - 15y + 4y = 21 - 16 \\ \\ = > - 11y = 5 \\ \\ = > \large \boxed{ \bold{y = - \frac{5}{11} }}\end{lgathered}

=>−y−(−

15

4

y)=

5

7

−

15

16

=>−y+

15

4

y=

15

(7×3)−16

=>

15

−15y+4y

=

15

21−16

=>−15y+4y=21−16

=>−11y=5

=>

y=−

11

5

Now,

Putting this value in eqn (2),

We get,

\begin{lgathered}= > x - \frac{2}{3} \times ( - \frac{ 5}{11} ) = \frac{8}{3} \\ \\ = > x + \frac{10}{33} = \frac{8}{3} \\ \\ = > x = \frac{8}{3} - \frac{10}{33} \\ \\ = > x = \frac{(8 \times 11) - 10}{33} \\ \\ = > x = \frac{88 - 10}{33} \\ \\ = > \large \boxed{ \bold{x = \frac{78}{33}}}\end{lgathered}

=>x−

3

2

×(−

11

5

)=

3

8

=>x+

33

10

=

3

8

=>x=

3

8

−

33

10

=>x=

33

(8×11)−10

=>x=

33

88−10

=>

x=

33

78

ANSWER:

PLEASE MARK me in BRAIN LIST

Step-by-step EXPLANATION:

r²+r+3=0

r(r+1+3/r)=0

(r+1+3/r)=0

Answer:

GAIN = Rs.100

Step-by-step explanation:

TOTAL PRICE of chair= 350+50 => 400

sold = 500

Gain= Selling price - Cost Price

= 500 - 400

= 100

ANSWER:

???????

not CLEAR .,..............

ANSWER:

USING the UREA NUMERAL METHOD 3.4 is the answer

Step-by-step explanation:

your answer you PLEASE FOLLOW me I follow back you promise PAKA...

Step-by-step EXPLANATION:

your ANSWER you please FOLLOW me I follow back you PROMISE paka..

ANSWER:

3²/3x3/5

3²/5

9/5

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ANSWER:

HEY MATE please see this

Step-by-step explanation:

=>{(4-2.07) x 2.5}÷1.93

=>[(-1.97) x 2.5 ] ÷ 1.93

=>-4.925 ÷ 1.93

=>-2.5518134715

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Answer:

ANSWER

We know that

∣AB∣=∣A∣∣B∣

Also for a square matrix of order 3

∣KA∣=K

3

∣A∣because each ELEMENT of the matrix A is multiplied by k and HENCE in this CASE we will have k

3

common.

∴∣3AB∣=3

3

∣A∣∣B∣=

=27(−1)(3)=−81

Answer:

DISTANCE is 5units

Step-by-step explanation:

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