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Alona [7]
3 years ago
15

Please help me with this question.

Mathematics
2 answers:
Eduardwww [97]3 years ago
5 0

Answer:

the answer is 11.5

Step-by-step explanation:

2x-9=14

2x = 23

x = 11.5

Andreas93 [3]3 years ago
4 0

Answer:

La respuesta es 11,5

Ya que usas esta operación:

2x-9=14

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Can someone help me find the diameter? <br><br> also what is a diameter even?
lukranit [14]

Answer:

24

Step-by-step explanation:

area of circle = πr²

πr² = 144π

Cancel out π

r² = 144

r = √144

r = 12

diameter = 2 x radius

diameter = 2 x 12

diameter = 24m

* diameter is the "width of a circle", the distance from the widest points of the circle

3 0
2 years ago
One of the x-intercepts of the parabola represented by the equation y = 3x^2 + 6x − 10 is approximately (1.08, 0).
Igoryamba
3x^2 + 6x - 10 = 0

x  = [-6 +/- sqrt(^2 - 3*3*-10)] / 2*3

=  1.08 and -3.08

Other x -intercept is (-3.08,0)
4 0
3 years ago
Read 2 more answers
Taisha works a part-time job while taking evening classes at her local community at her local community college. She sets up a p
Mrrafil [7]

Step-by-step explanation:

Taisha is losing money. Exactly how much can be found in this equation.

12 months in a year so that's our coefficient.

292.36(12)   -     320.67(12)=−339.72

(pay per month)   (school fee per month)

She is 339.72 dollars in debt.

7 0
3 years ago
Help pleaseeee due at 4:00
Archy [21]

Answer:

the total cost would be $15,900

Step-by-step explanation:

<em>hope this helped &  good luck <33</em>

5 0
2 years ago
In his first year, a math teacher earned $32,000. Each successive year, he
Ivan

Answer:

Step-by-step explanation:

Each successive year, he

earned a 5% raise. It means that the salary is increasing in geometric progression. The formula for determining the nth term of a geometric progression is expressed as

Tn = ar^(n - 1)

Where

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r represents the common ratio.

n represents the number of terms(years).

From the information given,

a = $32,000

r = 1 + 5/100 = 1.05

n = 20 years

The amount earned in his 20th year, T20 is

T20 = 32000 × 1.05^(20 - 1)

T20 = 32000 × 1.05^(19)

T20 = $80862.4

To determine the his total

earnings over the 20-year period, we would apply the formula for determining the sum of n terms, Sn of a geometric sequence which is expressed as

Sn = (ar^n - 1)/(r - 1)

Therefore, the sum of the first 20 terms, S20 is

S20 = (32000 × 1.05^(20) - 1)/1.05 - 1

S20 = (32000 × 1.653)/0.05

S20 = $1057920

3 0
3 years ago
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