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Misha Larkins [42]
3 years ago
11

I need help pls help

Mathematics
1 answer:
Sauron [17]3 years ago
8 0

Answer:

I could be wrong, but I think it's D

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ASAP NEED HELP THX !! Look at picture
Lana71 [14]

Answer:

66

Step-by-step explanation:

Replace t with 9 in the equation.

28(1.1)^9

Simplify.

28(2.358)

66.023

Rounded, it equals 66

7 0
2 years ago
Find the missing side lengths. Leave your answers as radicals in simplest form.
steposvetlana [31]

The length of missing sides x = 5 units and y = 5 units.

<h3>What is Trigonometric ratios?</h3><h3>The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).</h3>

In ΔABC,

AB (Base) = y  ,      BC(Hypotenuse) = 5\sqrt{2}   ,       CA (perpendicular) = x

and ∠ABC = 45^0

Now,

tan 45^0  = perp. / base

1 = x /y

x= y .................(i)

again,

sin 45^0 = perp. / Hypo.

\frac{1}{\sqrt{2} } = \frac{x}{5\sqrt{2} }

x = 5

put in equation (i), we get

y = 5

Thus, the length of missing side of the given triangle is x = 5 units and y =  5 units.

Learn more about trigonometric ratios from :

brainly.com/question/1201366

#SPJ1

6 0
2 years ago
Hi guys, how to calculate this in system?<br><br> {2a+3b=14<br> {5b+4a=20<br><br> Thanks,
Tom [10]

Step-by-step explanation:

there it is

and if u need more help tell me

5 0
2 years ago
Use the drawing tool(s) to form the correct answer on the provided graph.
NikAS [45]

Answer:

Here's one way to do it

Step-by-step explanation:

1. Solve the inequality for y

5x - y > -3

-y > -5x - 3

y < 5x + 3

2. Plot a few points for the "y =" line

I chose

\begin{gathered}\begin{array}{rr}\mathbf{x} & \mathbf{y} \\-2 & -7 \\-1 & -2 \\0 & 3 \\1 & 8 \\2 & 13 \\\end{array}\end{gathered}

x

−2

−1

0

1

2

y

−7

−2

3

8

13

You should get a graph like Fig 1.

3. Draw a straight line through the points

Make it a dashed line because the inequality is "<", to show that points on the line do not satisfy the inequality.

See Fig. 2.

4. Test a point to see if it satisfies the inequality

I like to use the origin,(0,0), for easy calculating.

y < 5x + 3

0 < 0 + 3

0 < 3. TRUE.

The condition is TRUE.

Shade the side of the line that contains the point (the bottom side).

And you're done (See Fig. 3).

6 0
3 years ago
Choose the correct product of (6x − 2)(6x + 2). (1 point)
Vanyuwa [196]
You did not give any choices but this can easily be solved using the FOIL method. 

FOIL stands for First, Outside, Inside, Last. 

In your equation you have (6x-2)(6x+2)
You will multiply the terms that correspond to each letter 

First: Means first terms of each set. In this case 6x and 6x
6x x 6x = 36x^{2} Now you have your first term in the sequence.

Outside: Means terms found in the outside areas of the whole equation, in this case it is 6x and 2
6x x 2 = 12x Now this is the second term

Inside: Means terms found in the inside areas of the whole equation, in this case it is -2 and 6x
-2 x 6x = -12x Now this is your third term

Last: Means the last terms of each set. In this case it is -2 and 2
-2 x 2 = -4  This is your last term

Now you have what you need for your new equation:

36x^{2} + 12x -12x - 4

Because your second and third terms are like terms, you can combine them by doing the operation indicated. 12x-12x = 0 so now you can cancel it out from your equation and your left with:

36 x^{2} - 4 This is your product
6 0
3 years ago
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