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3 years ago

What is the value for x?

Mathematics

2 answers:

Bumek [7]3 years ago

7 0

Answer:

BRAINLIEST PLZZZ

Step-by-step explanation:

5=x. angles a and c are equivalent, so you just add them together and subtract from 180, then solve for x plugging in difference of the two.

taurus [48]3 years ago

5 0

Step-by-step explanation:

angle B=6x+4

6x=4

x=4/6

x=0.6

..I got this much...sorry if its wrong

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Find the perimeter of a regular octagon if one side has a measurement of 8cm

Salsk061 [2.6K]

A regular polygon has congruent sides.
An octagon has 8 sides of equal length.

P = 8s = 8 * 8 cm = 64 cm

Answer: 64 cm

4 0

4 years ago

The force F (in pounds) required to push a sofa across a floor varies directly as the weight w (in pounds) of the sofa.

djyliett [7]

Answer: $F=0.41w$

Step-by-step explanation:

1. You know that the force F varies directly as the weight w of the sofa. Then, you can write the following expression:

$F=kw$

Where k is the constant of proportionality.

2. You know that a person can push a 120 pound sofa with a force of 50 pounds, then you can calcualte the constant of proportionality as following:

$k=\frac{F}{w}=\frac{50lb}{120lb}=0.41$

3. Then, the equation is:

$F=0.41w$

3 0

4 years ago

Determine two coterminal angles (one positive and one negative) for the given angle. 52

Sphinxa [80]

-308° and 412° because 52-360 is -308 and 52+360 is 412

6 0

3 years ago

Choose the correct simplification of the expression d3 ⋅ d5. d d15 d2 d8

irga5000 [103]

Answer:

Option D is correct

$d^{8}$

Step-by-step explanation:

Given the expression: $d^3 \cdot d^5$

Use exponents rule:

$x^a \cdot x^b = x^{a+b}$

Apply the rule in the given expression;

$d^3 \cdot d^5$

$d^{3+5}$

$d^{8}$

Therefore, the correct simplification of the given expression is, $d^{8}$

7 0

4 years ago

Read 2 more answers

The sum of two circles is 80 pi square meters. Find the length of the radius if one of them is twice as long as the other

REY [17]

Answer:

Length of Radius of large circle= 8

Lenght radius of first circle= 2

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION

The sum of the areas of two circles is 80π square meters. Find the length of a radius of each circle if one of them is twice as long as the other.

What is the radius of the larger circle?

Area of a circle can be calculated by Below formula

A = πr^2............eqn(1)

Let ( X) = area of first circle

Y= the area of second circle

Rx= radius of first circle

Ry = radius of second circle

From the question, we know that

[X+ Y] = 80π .......eqn(2)

Substitute the radius formula for the area,

[π(Rx)^2 + π (Ry)^2] = 80π ......eqn(3)

But from the question, Radius of second circle is twice of the second one, then

Ry = 2Rx ..........eqn(4)

If we substitute eqn (4) into eqn(3)

[ π(Rx)^2 + π (2Rx)^2 = 80π

If factorize π out, then cancel it out

π[(Rx)^2 + π (2Rx)^2 = 80π

Then we have

(Rx)^2 + 4(Rx)^2 = 80

5(Rx)^2 = 80

(Rx)^2= 80/5

(Rx)^2= 16

(Rx)= 4

From eqn(4)

Ry = 2Rx

Ry= 2(4)

Ry= 8

Rx= 2 and Ry= 8

Hence, radius of first circle= 2

Lenght Radius of second circle= 8

8 0

3 years ago