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2 years ago

12

A recipe for cookies calls for $5 of a cup of brown sugar and makes 6 cookies. If you adjust the recipe to make 8 cookies, how m

uch brown sugar will you need?

1 answer:

Klio2033 [76]2 years ago

5 0

Ur not that slow just try

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The length and breadth of a rectangles are in the ratio 8:5. If its perimeter is 104cm, find the length of the rectangle

valkas [14]

20.8 cm

so sorry if incorrect :(

7 0

3 years ago

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Solve for x in the equation x squared + 2 x + 1 = 17.

Whitepunk [10]

Answer:

x = negative 1 plus-or-minus StartRoot 17 EndRoot

Step-by-step explanation:

Given:

$x^2+2x+1=17$

We need to solve for x.

$x^2+2x+1=17 \ \ \ \ equation\ 1$

First we will solve L.H.S

Factorizing the equation we get;

$x^2+2x+1\\=x^2+x+x+1\\=x(x+1)+1(x+1)\\=(x+1)(x+1)\\=(x+1)^2$

Now Things which are equal to the same thing are also equal to one another. Since

$x^2+2x+1=17$

$x^2+2x+1=(x+1)^2$

then, according to the law of transitivity,

$(x+1)^2=17$

Now, applying the Square Root Principle we get:

$\sqrt{(x+1)^2} =\sqrt{17}$

Now Square root and square gets cancelled.

$x+1=\sqrt{17} \\x=-1+\sqrt{17}$

Since a square root has two values, one positive and the other negative.

$x=-1\±\sqrt{17}$

Hence Final Answer is $x=-1\±\sqrt{17}$ .

5 0

3 years ago

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100 – x = 58<br> HELP ME

Nata [24]

<u><em>Answer:</em></u>

<u><em>Your correct answer is x = 42 .</em></u>

<u><em>My Step-by-step explanation:</em></u>

<u><em>Just turn the problem around by changing the subtraction to addition: 100 – x = 58 means the same thing as 100 – 58 = x, so x = 42.</em></u>

7 0

3 years ago

Joseph used the problem-solving strategy Work Backward to solve the inequality 2n+5<13. Shawnee solved the inequality using t

almond37 [142]

Dunno what the work backward way is
seeems hard
maybe it's trial and error?

anyway

algebreaic

2n+5<13
minus 5 both sides
2n<8
divide by 2
n<4

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4 years ago

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What is estimate 4.23-2.51

ruslelena [56]

The answer is 1.72 and it would be 2 if u estimated

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3 years ago

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