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77julia77 [94]
3 years ago
13

Find the value of x and y

Mathematics
1 answer:
slava [35]3 years ago
5 0

Answer:

Step-by-step explanation:

OS ≅ OU, so we will set those 2 expressions equal to each other and solve for y:

6y = 42 so

y = 7

Same goes for OT and OV:

x + 5 = 23 so

x = 18 and

SU = 84

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Find the circumference of the figure.
shtirl [24]

Answer:

About 23.9 in

Step-by-step explanation:

We are given ;

a circle whose radius is 3.8 inches

we are required to determine the circumference

The circumference is given by the formula;

=2πr

Therefore;

Circumference = 2×3.14×3.8 in

                       =23.864 in

                      = 23.9 in

Therefore, the circumference of the figure is about 23.9 in

4 0
3 years ago
What is the percentage decrease if an item has dropped from $115 to $46
Sav [38]

Answer: 60% decrease

Step-by-step explanation:

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4 0
3 years ago
No I need 54 inches of wood to build a picture frame. if the wood cost $2.50 a foot, how much will be pay?
tamaranim1 [39]

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135

Step-by-step explanation:

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7 0
3 years ago
Y = -4x + 8<br> Y=3/5x - 6/5
VladimirAG [237]

Answer:

x=2 and y=0

Step-by-step explanation:

Rewrite equations:

y=−4x+8;y=

3

5

x+

−6

5

Step: Solvey=−4x+8for y:

y=−4x+8

Step: Substitute−4x+8foryiny=

3

5

x+

−6

5

:

y=

3

5

x+

−6

5

−4x+8=

3

5

x+

−6

5

−4x+8+

−3

5

x=

3

5

x+

−6

5

+

−3

5

x(Add (-3)/5x to both sides)

−23

5

x+8=

−6

5

−23

5

x+8+−8=

−6

5

+−8(Add -8 to both sides)

−23

5

x=

−46

5

−23

5

x

−23

5

=

−46

5

−23

5

(Divide both sides by (-23)/5)

x=2

Step: Substitute2forxiny=−4x+8:

y=−4x+8

y=(−4)(2)+8

y=0(Simplify both sides of the equation)

5 0
3 years ago
How would the expression x^3+64 be rewritten using sum off cubes
Mamont248 [21]
\bf \textit{difference of cubes}&#10;\\ \quad \\&#10;a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad&#10;(a+b)(a^2-ab+b^2)= a^3+b^3 \\ \quad \\&#10;a^3-b^3 = (a-b)(a^2+ab+b^2)\qquad&#10;(a-b)(a^2+ab+b^2)= a^3-b^3\\\\&#10;-------------------------------\\\\&#10;\boxed{64=4^3}\qquad x^3+64\implies x^3+4^3\implies (x+4)(x^2-x4+4^2)&#10;\\\\\\&#10;(x+4)(x^2-4x+16)
8 0
3 years ago
Read 2 more answers
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