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lesya692 [45]
2 years ago
6

Make d the subject of the formula h=d/3+2

Mathematics
1 answer:
Pani-rosa [81]2 years ago
8 0
Answer: D=3(h-2)

Explanation —>
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M<2 64 and m<4 =2x-6
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Answer:

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3 years ago
A certain recipe ask for 5/9 flour and 1/3 flour. how much flour is needed ?
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5/9 + 1/3 = 5/9 + 3/9 = 8/9 <==
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Select the two values of x that are roots of this equation.<br> 2x^2+ 1 = 5x
iren [92.7K]

Answer:

\frac{5+\sqrt{17}}{4},      \frac{5-\sqrt{17}}{4}

Step-by-step explanation:

One is asked to find the root of the following equation:

2x^2+1=5x

Manipulate the equation such that it conforms to the standard form of a quadratic equation. The standard quadratic equation in the general format is as follows:

ax^2+bx+c=0

Change the given equation using inverse operations,

2x^2+1=5x

2x^2-5x+1=0

The quadratic formula is a method that can be used to find the roots of a quadratic equation. Graphically speaking, the roots of a quadratic equation are where the graph of the quadratic equation intersects the x-axis. The quadratic formula uses the coefficients of the terms in the quadratic equation to find the values at which the graph of the equation intersects the x-axis. The quadratic formula, in the general format, is as follows:

\frac{-b(+-)\sqrt{b^2-4ac}}{2a}

Please note that the terms used in the general equation of the quadratic formula correspond to the coefficients of the terms in the general format of the quadratic equation. Substitute the coefficients of the terms in the given problem into the quadratic formula,

\frac{-b(+-)\sqrt{b^2-4ac}}{2a}

\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}

Simplify,

\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}

\frac{5(+-)\sqrt{25-8}}{4}

\frac{5(+-)\sqrt{17}}{4}

Rewrite,

\frac{5(+-)\sqrt{17}}{4}

\frac{5+\sqrt{17}}{4},      \frac{5-\sqrt{17}}{4}

8 0
3 years ago
What capital leffer appears to have parallel lines?<br><br><br><br> D or L or N or T?
Liono4ka [1.6K]

Answer:

N, the verticle lines are are parallel

Step-by-step explanation:

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3 years ago
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All the info is in the photos your gonna need the answer to the first photo to answer the second one help plz I'm giving Brainli
navik [9.2K]

Answer:

240 minutes (4 hours)

Step-by-step explanation:

the descend 3000 ft every 20 minutes

36000 ÷ 3000 = 12

20*12 = 240 minutes

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2 years ago
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