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Masteriza [31]
3 years ago
8

Express as a trinomial (3x+8) (x+10)

Mathematics
1 answer:
docker41 [41]3 years ago
7 0

Answer:

3x^{2} +38x+80

Step-by-step explanation:

Hello!

A trinomial is a expression consisting of three different terms

To turn this into a trinomial we multiply everything to each other

<u>                     3x                     </u>

3x * x = 3x^{2}

3x * 10 = 30x

<u>                     8                      </u>

8 * x = 8x

8 * 10 = 80

Now we put them all together in an equation

3x^{2} +30x+8x+80

Combine like terms

3x^{2} +38x+80

The answer is 3x^{2} +38x+80

Hope this helps!

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Consider the function f(x)=−23x+5 . What is f(5/2) ? Enter your answer, as a simplified fraction, in the box.
Softa [21]

Answer:

Step 1:  Find f(5/2)

f(5/2) = -23(5/2) + 5

f(5/2) = -115/2 + 5

<em><u>f(5/2) = -105/2</u></em>

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Step 2:  Find f(52)

f(52) = -23(52) + 5

f(52) = -1196 + 5

<em><u>f(52) = -1,191</u></em>

4 0
3 years ago
What is the value of "2 + 3x" if x = ½? *
lara [203]

Answer:

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Step-by-step explanation:

2 + (3*1/2) = 3.5, which is equal to 3 1/2.

3 0
3 years ago
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A tree casts a shadow that is 125 feet in length. The angle of elevation with the sun is 32°. What is the height of the tree?
Molodets [167]

Answer:

Height of the tree is 78.11 feet.

Step-by-step explanation:

By applying the tangent rule in the right triangle formed,

Since, tanθ = \frac{\text{Opposite side}}{\text{Adjacent side}}

tan(32)° = \frac{h}{125}

h = 125(tan32°)

h = 125(0.62487)

h = 78.109

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Height of the tree will be 78.11 feet.

4 0
2 years ago
Identify the values of a, b, and c in the following quadratic equation. 5x 2 - 4x + 8 = 0 a = , b = , c =
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Step-by-step explanation:

3 0
3 years ago
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