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3 years ago

For each figure, which placement of the axes shown would be the best to prove properties about the object?

Mathematics

1 answer:

xxMikexx [17]3 years ago

4 0

Answers:
1) Rectangle: Right
2) Circle: Left
3) Equilateral Triangle: Right
4) Isosceles Triangle: Middle
5) Trapezoid: Middle

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How many real number solutions does the equation have 0=5x^2+2x-12

Harman [31]

Rearrange the equation to standard form of a quadratic equation (ax^2+bx+c=0) by switching sides: 5x^2+2x-12=0. Now, use the quadratic equation formula to solve. You should come out with x_1=sqrt61-1/5 and x_2=-1+sqrt61/5. Thus, your answer is B, or two solutions.

7 0

3 years ago

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What is the reciprocal of 159?

wariber [46]

<h2>Hey there! </h2>

<h2>The Reciprocal of 159 is:</h2>

$\frac{1}{159}$

${where \: 1 \: is \: hidden}$

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3 years ago

Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

$(AC)^{2}=225+144-360\text{ cos}(106)$

$(AC)^{2}=369-360(-0.275637355817)$

$(AC)^{2}=369+99.22944809412$

$(AC)^{2}=468.22944809412$

Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

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3 years ago

Write the ratio of apples to oranges in simplest form please explain. Thanks

Nadya [2.5K]

There are 6 apples and 2 oranges.
So the ratio of apples to oranges would be 6:2.
However this can be simplified, because these number have a common factor, which is 2. So you divide 2 by 2, and 6 by 2, and get 1 and 3. So the ratio of apples to oranges in simplified form is 1:3. Hope this explains it :)

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3 years ago

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The dots in the diagram are 1 unit apart. What is the longest segment that can be drawn between two of the dots without

xz_007 [3.2K]

Answer:

the correct answer is C) √5

Step-by-step explanation:

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3 years ago