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hodyreva [135]
3 years ago
6

What is x? I tried it but I don’t think I did it right.

Mathematics
1 answer:
sattari [20]3 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

When a tangent and a secant are drawn from an external point to a circle.

Then the product of the external part of the secant and the entire secant and the square of the measure of the tangent are equal, hence

x(x + 5) = 6²

x² + 5x = 36 ( subtract 36 from both sides )

x² + 5x - 36 = 0 ← in standard form

(x + 9)(x - 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 9 = 0 ⇒ x = - 9

x - 4 = 0 ⇒ x = 4

However, x > 0 ⇒ x = 4

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Which of the following mathematical symbols represents "the opposite of"?
asambeis [7]

Answer:

the minus sign

Step-by-step explanation:

In mathematics, the symbol for the additive opposite is the minus sign

The symbol for the multiplicative opposite is the inverse operation 1/x (I think)

So, yes, specific opposites have symbols, BUT...

Just saying "the opposite of" is too blurry to find one word that represents that.

7 0
3 years ago
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What is<br> V7<br> in simplest radical form?<br> Enter your answer in the box.
MissTica

Answer:

ans: square root of whole term (7/11), I.e 1/2 power of (7/11)

Step-by-step explanation:

square root or radical can be written in power form as

7^(1/2) / 11^(1/2)

use laws of indices I.e

(7/11)^(1/2)

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7 0
2 years ago
(ii) Rule: To get the next term multiply the previous term by<br> First term =<br> 3
ad-work [718]

Answer:

3×5+2=17 than just do it again 17×5+2=87

Step-by-step explanation:

3×5+2=17, 17×5+2=87

7 0
3 years ago
Given: ∆ABC, AB = CB BD − median to AC E∈ AB ,F∈ BC AE = CF Prove: △ADE ≅ △CDF ΔBDE ≅ ΔBDF
NemiM [27]

Answer:

1) By SAS theorem, ΔADE≅ΔCDF

2) By SSS theorem, ΔBDE≅ΔBDF

Step-by-step explanation:

Consider isosceles triangle ABC (see diagram).

1. In triangles ADE and CDF:

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By SAS theorem, ΔADE≅ΔCDF.

2. In triangles BDE and BDF:

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  • BE≅FB (triangle ABC is isosceles, AB≅BC, AE≅CF, then BE=AB-AE, FB=BC-CF).

Be SSS theorem, ΔBDE≅ΔBDF.

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3 years ago
Algebra 1 help please
Karo-lina-s [1.5K]
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3 years ago
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