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Kamila [148]
3 years ago
12

Lila decided to make more baked goods for the bake sale she used 1/8 lb less flour to make the bread then to make the cookies. S

he used 1/4 pound more flour to make cookies than to make brownies. If she used a half pound of flour to make bread how much flour did she use to make brownies
Mathematics
1 answer:
AfilCa [17]3 years ago
5 0

Answer:

The total \frac{3}{8} lb flour is used to make brownies.

Step-by-step explanation:

Let x lb flour is used to make brownies.

She used 1/4 pound more flour to make cookies than to make brownies. So, the total flour is used to make cookies is

x+\frac{1}{4}

she used 1/8 lb less flour to make the bread then to make the cookies. So, the total flour is used to make bread is

x+\frac{1}{4}-\frac{1}{8}

It is given that she used a half pound of flour to make bread.

x+\frac{1}{4}-\frac{1}{8}=\frac{1}{2}

x+\frac{2-1}{8}=\frac{1}{2}

\frac{8x+1}{8}=\frac{1}{2}

8x+1=4

8x=3

x=\frac{3}{8}

Therefore total \frac{3}{8} lb flour is used to make brownies.

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Suppose you want to represent a triangle with sides 12 feet, 16 feet, and 18 feet on a drawing where 1 inch = 2 feet. How long s
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<u>The correct answer is C. 6, 8 and 9 inches.</u>

Step-by-step explanation:

1. Let's review all the information provided for answering the questions properly:

Length of the sides of the triangle = 12 feet, 16 feet and 18 feet.

Scale used : 1 inch = 2 feet.

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8 0
3 years ago
What multiplies to 16 and adds to negative 12
Romashka-Z-Leto [24]
Factor 16 and see the - factor pairs and add them, see which add to -12
-1-16=-17 nope
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hmm


we will solve with math
xy=16
x+y=-12
minus  x both sides
y=-12-x
sub for y in other equation
x(-12-x)=16
-12x-x^2=16
add 12x+x^2 both sides
0=x^2+12x+16
use quadratic formula
if you have
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}


0=x^2+12x+16
a=1
b=12
c=16

x=\frac{-12+/- \sqrt{12^{2}-4(1)(16) }}{2(1)}
x=\frac{-12+/- \sqrt{144-64 }}{2}
x=\frac{-12+/- \sqrt{80}}{2}
x=\frac{-12+/- 4\sqrt{5}}{2}
x=\frac{-6+/- 2\sqrt{5}
x=\frac{-6+ 2\sqrt{5} or \frac{-6- 2\sqrt{5}

aprox
x=-1.52786 or -10.4721

those are the numbers

the numbes are -1.52786 or -10.4721

6 0
3 years ago
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Answer:

D

Step-by-step explanation:

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 That is your answer to this question.
7 0
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