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3 years ago

What is the value of -1 2/3 ÷1 7/18 expressed as a mixed number??

Mathematics

1 answer:

valina [46]3 years ago

5 0

-1 and 13/17 i hope this helped

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Tell me which 4 letters are right! A? B? C? D? F? E? I WILL GIVE BRAINLIEST

Helen [10]

Answer:

Everything but A and C

Step-by-step explanation:

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2 years ago

How many variable terms are in the expression 3x3y + 5x2 − 4y + z + 9? (Input a numeric value only.)

Anarel [89]

Answer:

Step-by-step explanation:

A variable term is a mathematical term in which a variable is by itself or is connected to a coefficient(s).

3x3y, 5x2, −4y, z.

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2 years ago

Solve the following equations;- x - 9 /√x + 3 =1

fgiga [73]

Answer:

13 , 6.

Step-by-step explanation:

A equation is given to us and we need to find out the value of x . The given equation to us is ,

$\sf\implies \dfrac{ x -9}{\sqrt{x+3}}= 1$

Cross multiply ,

$\sf\implies x - 9 =\sqrt{ x +3}$

Squaring both sides ,

$\sf\implies (x - 9)^2 = x + 3$

Simplify the whole square ,

$\sf\implies x^2+9^2-2.9.x = x +3 \\$

$\sf\implies x^2+81 - 18x = x -3$

Add 3 and subtract x on both sides ,

$\sf\implies x^2 -18x-x +81-3=0$

Simplify ,

$\sf\implies x^2 -19x +78=0$

Split the middle term of the quadratic equation,

$\sf\implies x^2-13x-6x+78=0$

Take out common ,

$\sf\implies x( x -13)-6(x-13)=0$

Take out ( x -13 ) as common ,

$\sf\implies ( x -13)(x-6)=0$

Equate both factors to 0 ,

$\sf\implies \boxed{\pink{\sf x = 13,6}}$

Hence the value of x is 13 or 6 .

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2 years ago

Which answer shows a correct order to solve this story problem?

Salsk061 [2.6K]

C is correct.
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2. $0.69 times 2
3. Add $2.99 to the two prices above
4. Add the $2.52 tax to the prices
And you should get around $45 and some change

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3 years ago

Expect a ton of trigonometry questions from this account. i know absolutely nothing

Paha777 [63]

Answer:

see attached formulas

Step-by-step explanation:

Math is beautiful. Have fun learning.

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2 years ago