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3 years ago

A cell phone plan charges $59.90 a month, plus $0.25 per text message. Which inequality can be

2 answers:

5 0

$59.90+ $0.25x
This is because $59.90 is the amount you already have to pay so you would do $0.25x to get the number of texts you could send.

gtnhenbr [62]3 years ago

3 0

Answer:

75>59.90+0.25x

Step-by-step explanation:

if you want the answer it's 59=the number of texts you can send

59.90 because its the amount you already have to pay

0.25x because you'll have to pay 0.25 for every text you send.

The less than sign because it has to be less than 75

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What is the height of the following triangle if the area is 60 square meters? Do not round your answer.

olga nikolaevna [1]

Answer: Height = 8 m

Step-by-step explanation: We have to find h...

We're given two values

A = 60

B = 15

60 is equal to 1/2 x 15

Solve for h:

h = 60 / (1/2 x 15)

h = 60 divided by 7.5

h = 8

I hope this helps!

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3 years ago

If x equals 3 calculate the value of 2x squared plus x

Korolek [52]

2 × 3 = 6
6 squared = 36
36 + 3 = 39
Hope this helps!

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2 years ago

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what positive number satisfies the condition that twice the number minus three times the reciprocal of the number is equal to 1?

marshall27 [118]

Solve:

"<span>twice the number minus three times the reciprocal of the number is equal to 1."
3(1)
Let the number be n. Then 2n - ------- = 1
n

Mult all 3 terms by n to elim. the fractions:

2n^2 - 3 = n. Rearranging this, we get 2n^2 - n - 3 = 0.

We need to find the roots (zeros or solutions) of this quadratic equation.

Here a=2, b= -1 and c= -3. Let's find the discriminant b^2-4ac first:

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-(-1) plus or minus 5 1 plus or minus 5
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x could be 6/4 = 3/2, or -5/4.

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8 0

3 years ago

Please help me with this

MissTica

Answer:

For the question on the right, I assume b is the exponential factor, or growth factor.

Step-by-step explanation:

Linear:

$Y=aX + b\\(X, Y) = (0, 15) => b = 15\\(X,Y) = (1, 12) => a = -3\\Y = -3X + 15$

You can find the equation by using two points and the equation for a line.

Exponential:

$Y = a^{bX+c}\\(X, Y) = (0, 81) => a^{c} = 81 => a^{c} = 3^{4} => a=3, c=4\\(X, Y) = (1, 27) => a^{b+c} = 27 => a^{b}a^{c} = 27 => a^{b} = \frac{27}{81} = \frac{1}{3} => b=-1\\Y = 3^{-X+4}$

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2 years ago

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dimaraw [331]

B I think please give me brainliest

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3 years ago

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