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Natali [406]
3 years ago
6

Should you use Sine, Cosine, or Tangent to solve the following problem?

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0

Answer:

<h2 />

<em><u>TAN</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em><em><u> </u></em>

Soh Cah toa

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What is the standard form of (6x^2-8x-7)+(8x^2-76x)
Studentka2010 [4]

Answer:  14x^2 - 84x - 7

====================================================

Explanation:

The like terms 6x^2 and 8x^2 combine to 14x^2

The like terms -8x and -76x combine to -84x

Nothing pairs with the -7, so its stays as is.

Standard form is where we list the terms in decreasing exponent order. We can think of -84x as -84x^1 and the -7 as -7x^0. So 14x^2 - 84x - 7 would be the same as 14x^2 - 84x^1 - 7x^0. The exponents count down: 2,1,0.

The final answer is a trinomial since it has three terms. It is also a quadratic because the degree (highest exponent) is 2.

5 0
3 years ago
Which part of the algebraic expression 7a - 4 is the constant?
alexira [117]
The answer is 3. 4 because 4 doesn’t have a variable :)
5 0
3 years ago
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Use technology to find the​ P-value for the hypothesis test described below. The claim is that for a smartphone​ carrier's data
EastWind [94]

Solution :

The null and alternative hypothesis is given by

$H_0: \mu = 11$

$H_a: \mu \ne 11$

Assume that the level of significance, α = 0.05

The t-test statistics is, t = 1.484

Degree of freedom :

df = n - 1

   = 14 - 1

   = 13

The P-value is given by

P-value = 2P (T>|t|)

            = 2P(T>|1.484|)

            = 2P(T>1.484)

            = 2(=T.DIST.RT(1.484,13))

            = 0.05

5 0
3 years ago
Hey there whats 1-100-100-1223-1030 :)
grigory [225]

Answer:

don't know

Step-by-step explanation:

8 0
3 years ago
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The first three steps of completing the square to solve the quadratic equation x^2 + 8x +5 = 0, are shown below.
evablogger [386]

Answer:

see explanation

Step-by-step explanation:

step 4 take the square root of both sides

\sqrt{(x+4)^2} = ± \sqrt{11}

x + 4 = ± \sqrt{11}

step 5 subtract 4 from both sides

x = - 4 ± \sqrt{11}

step 6 solve for x

x = - 4 - \sqrt{11} or x = - 4 + \sqrt{11}


8 0
3 years ago
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