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const2013 [10]
3 years ago
8

Hiya guys answer this please

Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

Answer: 38

Step-by-step explanation: 90 is the right angle for a right angle triangle. Therefore you subtract 90-52.

Karolina [17]3 years ago
6 0

Answer:

x = 38º

Step-by-step explanation:

Step one: look at the figure...it's a 90º angle (right angle)

Step two: Since it's a 90º angle you can simply subtract 90-52 which will give you the missing part (the value of x)

so therefore, x = 38º...answer a

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Eliminate the parameter. <br> x = t2 + 3, y = t2 - 2
abruzzese [7]

Answer: y = x - 5

<u>Step-by-step explanation:</u>

"Eliminate the parameter" means we want to eliminate the <em>extra </em>variable and rewrite it ias one equation that only contains x, y, <em>and possibly a constant.</em>

<em />

The extra variable in the equations is "t".  Manipulate one of the equations to solve for t². Then substitute t² = _____ it into the other equation.

x = t² + 3         →          x - 3 = t²

y = t² - 2

y = (x - 3) - 2

y = x - 5

8 0
3 years ago
Erin and kelly were getting manicures this week. erin gets a manicure every 4 weeks. kelly gets a manicure every 5 weeks. what i
Tasya [4]

Answer:

20

Step-by-step explanation:

20 is the lowest common multiple

7 0
3 years ago
Find the selling price of each item Cost of a sled:99.50 Markup:95%
IRINA_888 [86]

Answer:

Take wholesale cost and multiply it by 95%, then add to the original value

another way, just multiply by 1.95

Retail cost:  1.95*($99.50) = $194.03



5 0
3 years ago
PLZZ HELPPP!!! Each edge of a wooden cube is 6 centimeters long. The cube has a density of 0.71 g/cm3
Lana71 [14]

Answer:

153.36g

Step-by-step explanation:

Density is defined as the ratio of mass per unit volume of a material.

Density = Mass/Volume

Given the edge of a cube which is equivalent to its length L to be 6cm.

Density of the cube = 0.71g/cm³

Volume of the cube = L³

Volume = 6³

Volume of the cube = 216cm³

Mass = Density × Volume

Mass of the cube = 0.71×216

Mass of the cube = 153.36grams

4 0
3 years ago
Read 2 more answers
SOLVE. integration of (1-v) /(1+v^2)
Marta_Voda [28]
I think you have to first separate the integral:1/(1+v^2) + v/(1+v^2),
so the integral of the first term is ArcTan (v) and for the integral of the second term i recommend you to do a change of variable:

y= 1+v^2
 so
 dy= 2v
 and
v= dy/2and then you substitute:v/(1+v^2) = (1/2)(dy/y)
and the integral is
 (1/2) (In y)finally you plug in the initial variables:

(1/2)(In [1+v^2])

so the total integral is:

ArcTan (y) + (1/2)(In [1+v^2])
6 0
3 years ago
Read 2 more answers
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