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Dahasolnce [82]
4 years ago
13

Lauren bought a rectangular box

Mathematics
1 answer:
OleMash [197]4 years ago
4 0

Answer:

Step-by-step explanation:

SA = 2(l x w) x 2(l x h) x 2(w x h)

= (2x6x10) x (2x6x4) x (2x10x4)

= 120 x 48 x 80

= 460800 inches

460800 x $0.25

= $115200

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How many solutions does a system of linear equations in three variables have if in solving the system you correctly obtain the e
solniwko [45]
If your equation boils down to 12=12, then that means the variables you use don't even matter. Not only would this have infinitie solutions, but all solutions.
8 0
4 years ago
A store buys shirts for $8 each and marks up the price by 35%What is the price for a shirt at this store?
notsponge [240]
35/100=x/8 
x=2.8
8+2.8= $10.80 

hope that helped
3 0
3 years ago
Read 2 more answers
What type of function is represented by the following graph:
MissTica

Answer:

b) quadratic

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
You are given that <img src="https://tex.z-dn.net/?f=sin%28A%29%20%3D%20-%5Cfrac%7B7%7D%7B25%7D" id="TexFormula1" title="sin(A)
Elza [17]

Answer:

- \frac{204}{325}

Step-by-step explanation:

Using the addition formula for cosine

cos(A + B) = cosAcosB - sinAsinB

Given sin A = - \frac{7}{25} = \frac{opposite}{hypotenuse} and in fourth quadrant, then

the triangle is a 7 - 24- 25 right triangle with adjacent side 24

In fourth quadrant cosine ratio is positive , thus

cos A = \frac{adjacent}{hypotenuse} = \frac{24}{25}

------------------------------------------------------------------

Given sin B = - \frac{12}{13} = \frac{opposite}{hypotenuse} and in third quadrant, then

the triangle is a 5- 12- 13 right triangle with adjacent side 5

In third quadrant cosine ratio is negative, thus

cos B = \frac{adjacent}{hypotenuse} = - \frac{5}{13}

Thus

cosAcosB - sinAsinB

= (\frac{24}{25} × - \frac{5}{13} ) - (- \frac{7}{25} × - \frac{12}{13} )

= - \frac{120}{325} - \frac{84}{325}

= - \frac{204}{325}

4 0
3 years ago
Help will give brainliest
tangare [24]
Angles on a straight line add up to 180 degrees.
180-100 = 80
x + 3x = 4x
80/4 = 20
x = 20 degrees
6 0
3 years ago
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