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pshichka [43]
2 years ago
14

before unlimited talk and text, bonnie used to pay $40 per month for her cell service, plus $0.10 for each text message she sen.

One month, bonnie had a $76.50 cell phone bill. Write and solve an equation or inequality to determine how many text messages bonnie sent that month.
Mathematics
1 answer:
Zolol [24]2 years ago
3 0

Answer:

Step-by-step explanation:

0.1 x + 40 = 76.5

0.1x = 36.5

x = 36.5 ÷ 0.1 = 365

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Factor completely 25x^2-36
Oxana [17]

Rewrite it in the form; a^2 - b^2, where a = 5x and b = 6

(5x)^2 - 6^2

Use the Difference of Squares: a^2 - b^2 = (a + b)(a - b)

<u>(5x + 6)(5x - 6) </u>

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Identify the terms, like terms, coefficients, and constants in each expression.
sattari [20]
If you do what she said then you’ll get the answer
7 0
3 years ago
8b–9b–5b+7b<br> Simplify the expression:
DedPeter [7]

Answer:

= b

Step-by-step explanation: they all cancel each other out

8 0
2 years ago
Read 2 more answers
Please help fast <br> I NEED ITT
Ghella [55]

The true statement is (c) Yes, the sequence is an isometry transformation because it contains only rigid transformation

<h3>How to determine the type of transformation?</h3>

The coordinates are given as:

A = (1, 2), B = (3, 2) and C = (2, 7)

D = (3, -6), E = (5, -6) and F = (4, -1)

Calculate the lengths of pre-image and the image using

d = √(x2 - x1)² + (y2 - y1)²

So, we have:

AB = √(1 - 3)² + (2 - 2)² = 2

DE = √(3 - 5)² + (-6 + 6)² = 2

AB and DE are congruent

BC = √(3 - 2)² + (2 - 7)² = √26

EF = √(5 - 4)² + (-6 + 1)² = √26

BC and EF are congruent

CA = √(2 - 1)² + (7 - 2)² = √26

FD = √(4 - 3)² + (-1 + 6)² = √26

CA and FD are congruent

Because the corresponding sides are congruent, then the transformation is an isometry transformation.

This is so because isometry transformation do not alter side lengths and angles

Hence, the true statement is (c) Yes, the sequence is an isometry transformation because it contains only rigid transformation

Read more about transformation at

brainly.com/question/4289712

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7 0
1 year ago
Can you guys pls help me out with 16 and 17
nlexa [21]

Answer:

16. $ 4100

17. y = 10000 - 750x

Step-by-step explanation:

16)

As initial value is $ 5000, and salvage value is $ 500. That means in 5 years value decreased by 5000-500 = 4500 so ,

in 5 year value decreased =  4500

in 1 year value decreased =  4500/5 = 900

so per year 900 $ gets decreased from original price. So equation can be given as

V = 5000 - 900y

where V is value of a vehicle and y is number of year

So after 1 year value would be

V = 5000 - 900 x 1 = 5000 -900 = 4100 $

17)

initial cost of car = $ 10000

per year amount decreases by  =  $ 750

then equation can be given as

y = 10000 - 750x

where x is number of year and y is cost of car after x year.

8 0
2 years ago
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