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STatiana [176]
3 years ago
11

Solve the equation 4y-1.9=6.3

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
5 0
I’ve attached my work...
Hope this helps!

ruslelena [56]3 years ago
5 0
Y = 2.05 is the answer
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I SPENT 50 POINTS ON THIS, PLEASE HELP
Anestetic [448]

In the figure, we can consider that the base is the side that mesures 12 in and that the height is the side that measures 15 in, since that sides are perpendicular. So, we just need to use the given formula:

A = \dfrac{bh}{2}\Longrightarrow A = \dfrac{12\cdot15}{2}\Longrightarrow A=6\cdot15\Longrightarrow \boxed{A = 90~\text{in}^2}

Hence, the area of the triangle is 90 in² (B).

5 0
3 years ago
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CHOOSE TO ANSWER EITHER QUESTION:
Ugo [173]

Answer:

First one: C. Second One:C.

Step-by-step explanation:

Kate purchased a car for $23,000. It will depreciate by a rate of 12% a year. What is the value of the car in 4 years?

a) $13,935.76

b) $12,874.57

c) $13,792.99

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A rare coin is currently worth $450. The value of the coin increases 4% each year. Determine the value of the coin after 7 years.

a) $613.98

b) $546.78

c) $592.17

To solve this this is also an exponential function. The price started at $450 and  the coin increases 4% each year so the equation is f(x) = (450)(1+0.04)^7. When calculated results with 592.169300656 which is c.

4 0
3 years ago
Solve R = <br> 1 + 3w/<br> 2<br> for w.
Georgia [21]

Answer:

R=7

Step-by-step explanation:

R=1+3w

This is a classic substitution question.

Just replace the w with 2.

R = 1+3(2)

You only need to multiply 3 with 2.

R = 1 + 6

R= 7

7 0
3 years ago
Please help I have 15 minutes!!!!!
Ber [7]

Answer:

false

Step-by-step explanation:

Plug in the numbers given by the then statements. Plugging in -2 for x gives us -3 >= 3 which is false.

7 0
3 years ago
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What is the equation that represents the line that passes through the point (2,6) and has a slope of -5?
tiny-mole [99]

Answer:

y = - 5x + 16

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 5, thus

y = - 5x + c ← is the partial equation of the line

To find c substitute (2, 6) into the partial equation

6 = - 10 + c ⇒ c = 6 + 10 = 16

y = - 5x + 16 ← equation of line

3 0
3 years ago
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