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riadik2000 [5.3K]
3 years ago
7

A CD costs 15 dollars and 50 cents before tax. What is the total cost after a 6 percent sales tax is added?​

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

16.43

Step-by-step explanation:

gib brainliest

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Factor completly 4x^2 +8x -5
DaniilM [7]

∑ Hey, jillianwagler ⊃

Answer:

\left(2x-1\right)\left(2x+5\right)

Step-by-step explanation:

<u><em>║Given info║:</em></u>

<em>Factor completely: </em>4x^2 +8x -5

<u><em>Solution~:</em></u>

<em>Breaking the expression~:  </em>\left(4x^2-2x\right)+\left(10x-5\right)

<em>Factor out 2x from 4x² -2x : 2x(2x-1)</em>

<em>Factor out 5 from 10x - 5 : 5(2x - 1)</em>

<em>Put together: </em>=2x\left(2x-1\right)+5\left(2x-1\right)

Factor out 2x - 1: =\left(2x-1\right)\left(2x+5\right)

<u><em>xcookiex12</em></u>

<em>8/19/2022</em>

4 0
2 years ago
Find the product mentally. (2j + 7)(2j - 7)
Gwar [14]


4j^2 -14j +14j - 49

4j^2 - 49

7 0
3 years ago
CAN SOMEONE JUST PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!!!
aivan3 [116]

Answer:

45

Step-by-step explanation:

The equation is in vertex form a(x-p)^2 + q, ergo giving us the highest point of the parabola, so q (in this case 45 is the highest point in meters, where p multiplied by (-1) is the time taken to reach that height

8 0
3 years ago
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If the measure of arc GH= 90° and the measure of arc EF= 45°, calculate m∠GDH.
user100 [1]

Answer:

∠ GDH = 67.5°

Step-by-step explanation:

The measure of the chord- chord angle GDH is half the sum of the measures of the arcs intercepted by the angle and its vertical angle.

∠ GDH = \frac{1}{2}(GH + EF) = \frac{1}{2} (90 + 45)° = 0.5 × 135° = 67.5°

6 0
3 years ago
F is a trigonometric function of the form f(x) = a sin(bx + c) + d.
Marina CMI [18]

Answer:

3sin(2x+2)-3

Step-by-step explanation:

3sin(2x+2)-3

3 0
2 years ago
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