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notsponge [240]
3 years ago
9

Solve: x^4-34x^2=-225

Mathematics
1 answer:
dangina [55]3 years ago
8 0
X
4
−34x
2
+225=0

2 Factor
x
4
−
34
x
2
+
225
x
4
−34x
2
+225.
(
x
2
−
25
)
(
x
2
−
9
)
=
0
(x
2
−25)(x
2
−9)=0

3 Solve for
x
x.
x
=
±
5
,
±
3
x=±5,±3
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levacccp [35]
We know that
the ratio of the recipe=(1 1/2)/(3/4)
1 1/2=1.5 cups of flour
3/4 stick of butter-------> 0.75 stick of butter
by proportion
1.5/0.75=x/3---------> 3*1.5=0.75*x
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the answer is
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8 0
3 years ago
H2 - 36 = 0 <br> Please help
Nikolay [14]

Answer:

h = -6

Step-by-step explanation:

Use the quadratic formula

ℎ

=

−

±

2

−

4

√

2

h=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

h=2a−b±b2−4ac​​

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

ℎ

2

−

3

6

=

0

h^{2}-36=0

h2−36=0

=

1

a={\color{#c92786}{1}}

a=1

=

0

b={\color{#e8710a}{0}}

b=0

=

−

3

6

c={\color{#129eaf}{-36}}

c=−36

ℎ

=

−

0

±

0

2

−

4

⋅

1

(

−

3

6

)

5 0
3 years ago
What integer values satisfy both inequalities?<br> − 3 &lt; x &lt; 2 x &gt; − 1
anzhelika [568]

Answer:

its 1!

Step-by-step explanation:

1 is greater than -3, and 2*1 (2) is greater than -1 :)

5 0
2 years ago
Here is a better picture ​
Fudgin [204]
64 percent—64/100–0.64
12.5 percent—1/8—0.125
140 percent—1 and 40/100—1.4
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8 percent—8/100–0.08
7 0
3 years ago
Write a linear function given the table below. Use function notation.
sleet_krkn [62]
The answers would be B
3 0
3 years ago
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