solve each of these equations.

Answer:

60%

Step-by-step explanation:

Shaun won 60% percent of the games.

Answer:

Shaun won 60% out of the 10 video games he played.

Step-by-step explanation:

If Shaun played 10 video games and only won six out of all of them, he won 60% since we can count 10 as 100% and 6 as 60%.

The value of x is 135°

What is Exterior Angle Theorem?

The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two opposite(remote) interior angles of the triangle.

An exterior angle is supplementary to its adjacent interior angle as they form a linear pair of angles.

Linear pair of angles are,

∠1 + ∠2 = 180°

where, ∠1 is exterior angle

and, ∠2 is interior angle

Given ,

One angle is = 90°

Then other two angle will be = 45° and 45°

Now, According to Exterior angle property,

x + 45 = 180

x = 180 - 45

x = 135°

Hence, the value of x is 135°

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Answer:

53 degrees

Step-by-step explanation:

This is a transversal question (look at attached). Because the lines are parallel, g will equal to 180(a straight line is 180 degrees) - a. Then, because g + f + e = 180 (since it is a straight line), substitute the values that we know and solve. (61) + f +(66) = 180. f = 53

Answer: 2, 4

Step-by-step explanation:

Assuming this is a linear relationship, [tex]y[/tex] increases by 2 whenever [tex]x[/tex] increases by 1.

So, the blanks in the table are [tex]0+2=2[/tex] and [tex]2+2=4[/tex], respectively.

Answer:

this is easy get a protractor

Step-by-step explanation:

Answer:

Below

Step-by-step explanation:

Sum of interior angles for the uppr right triangle = 180

52 + 90 + '2' = 180

'2' =38°

The half-life of radon-222 is 3 days, it will take an additional 3 days for the remaining 42% of the sample to decay, for a total of 6 days for the sample to decay completely.

The half-life of a radioactive is time for 50% of its particles to decay or disintegrate into a new element. The pace at which a radioactive material will decay is predicted using this indicator of an isotope's stability. An element's half-life, which differs substantially across various elements, is based on the unique characteristics of its nucleus.

For instance, the half-life of uranium-238 is 4.5 billion years whereas that of carbon-14 is 5,730 years. This indicates that half of the carbon-14 atoms in a sample will have decayed after 5,730 years, and half of the uranium-238 atoms will have decayed after 4.5 billion years.

How to solve?

(a) After 3 days, the sample has decayed to 58% of its original amount, which means that half of the original amount has already decayed. Therefore, the half-life of radon-222 is 3 days.

(b) Since the half-life of radon-222 is 3 days, it will take an additional 3 days for the remaining 42% of the sample to decay, for a total of 6 days for the sample to decay completely.

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The amount of medicine required for a patient whose weight is 173.75 pounds will be equal to 217.18 milligrams.

The ratio notion is used in mathematics when evaluating two or more numbers. It works as a comparison tool to demonstrate how big or small a particular number is. A ratio divides two quantities to compare them.

As per the data given in the question,

Weight of patient = 164 pounds

Medicine for 164 pounds weight = 205 milligrams

Weight of another patient = 173.75 pounds

Let the amount of medicine required is x.

So,

164 pounds = 205 milligrams and,

173.75 pounds = x milligrams

Perform Cross-multiplication,

164x = 205 × 173.75

x = 35618.75/164

x = 217.18 milligrams.

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Answer:

A:  y = -0.4x -5

B:  y = -1x +7

C:  y = 1.25x +7

D:  y = 3x -5

Step-by-step explanation:

See the attached worksheet.  Finding the equations for the graph lines is reasonabvly straightforward, but the number of lines quadruples the space required.  We'll find equations of the form y=mx+b, where m is the slope and b is the y-intercept (the value of y when x = 0).  The worksheet notes the 4 steps needed:

1.  mark any two points on the graph for each line.

2.  Find the slope for each line by calculating the Rise/Run

3.  Find the y-intercepts from the graph.

4.  Assemoble the slopes and intercepts into the four equations.

Use a spreasheet to keep organized, and nbe patient.  Check the equations using a free online graphing utility (e.g., DESMOS).

The cost of each DVD as per the given data will be 20.08  without tax.  and 21.35 with sales tax.

Cost of DVD,

with sales tax

(40.15 + 2.55) / 2

= 42.70/2

= 21.35 per DVD

without sales tax

40.15 / 2

= 20.08 per DVD

Sales taxes are a type of tax that is paid to a governing body when goods and services are sold. Sales tax is an indirect tax that is often assessed at the time that certain taxable products are purchased or exchanged. It is assessed as a percentage of the item's retail price.

The government in power and the specific rules it enforces determine the sales tax, which is typically easy to calculate and collect. The sales tax can be thought of simply as an additional sum of money paid while buying products or services.

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Answer:

Step-by-step explanation:

regergergr

Answer:56.6%

Step-by-step explanation:

30 - 13 = 17

17 /30 x 100 = 56.6 %

Answer:

a and f are 14°

Angles b, c, d, and e are all 166°

Step-by-step explanation:

Alternate interior angles are congruent

x + 9 = 4x - 6  Subtract x from both sides

9 = 3x - 6    Add 6 to both sides

15 = 3x  Divide both sides by 3

5 = x

Plug this back into the equation for find the angles measurements

x + 9

5 + 9

14

or

4x _ 6

4(5) -6

20 - 6

14

angles a and f are vertical angles so they are congruent and equal to 14

B ,c , d and e are all supplements to the found angles

180-14 = 166

Cutting perfect slices of pie can be tricky. Crusts can crumble, bottoms can buckle and fillings can spill over, but there are a lot of tricks for a good slice.

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Answer:

Your answer is [tex]x=2[/tex] and [tex]y = 0[/tex]

Step-by-step explanation:

(attached)

Answer:

(2,0)

x=2, y=0

Step-by-step explanation:

(-2)3x-7y=6(-2)

(3)2x+7y=4(3)

-6x+14y=-12

6x+21y=12

-6x+14y=-12+6x+21y=12

35y=0

y=0

sub into one of the original equations

2x+7(0)=4

2x=4

x=2

Answer:

[tex](4 , -5)[/tex]

Step-by-step explanation:

Note that when you move left or right any amount of units, you will be making the changes to the x-variable. If you move up or down any amount of units, you will be making the changes to the y-variable.

In this case, it is given that:

(x , y) = (-3 , -5)

You will want to move right 7 units, as you are trying to find your starting position. Add 7 from the x variable:

[tex](x , y) = (-3 , -5) = (-3 (+7) , -5)\\\\= (-3 (+7) , -5)\\= ((-3 +7) , -5)\\= (4 , -5)[/tex]

[tex](4 , -5)[/tex] is your starting position.

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The factorization given is not a prime factorization.

Given that,
A factorization of a number is given we have to discuss whether the factors are prime factors or not.

A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.

here,
Given factorization = 2² + 3 + 5⁴ + 8 + 11².
Since the above 8 cannot be taken in prime factor,
So the given factorization is not the prime factorization of the number.

Thus, the factorization given is not a prime factorization.

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Answer:

yes congruent means identical of the same

Step-by-step explanation:

hope this helps

Answer: The answer is here

Step-by-step explanation:

If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both the triangle are equal, then two triangles are said to be similar. Thus, if ∠A = ∠X and AB/XY = AC/XZ then ΔABC ~ΔXYZ.

If the measures of the corresponding sides of two triangles are proportional then the triangles are similar. Likewise if the measures of two sides in one triangle are proportional to the corresponding sides in another triangle and the including angles are congruent then the triangles are similar.

The unknowns in the given matrix total must have the values w = -5, z = 15, and y = 1.

Given,

To determine the value of the unknowns in the matrix,

A matrix is a rectangular array made up of numbers that are arranged in rows and columns. The figures are known as matrix elements or entries. Matrices are widely utilized in engineering, physics, economics, and statistics, as well as many other.

Here,

From the above matrix,

Equation formed,

2z -18 = 12
z = 15

2w + 6 = 16,
w = 5,

10 - 6 = 4y
y = 1

Thus, The unknowns in the given matrix total must have the values w = -5, z = 15, and y = 1.

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Answer:

10,5 should be changed

Step-by-step explanation:

hope this helps

The number of years for the value of $900 to reach $1,800 if the rate of interest is 4%, is 25 years.

When the loan is given to you, then some amount is charged to you for the principal amount and that is called interest.

Given:

The amount after some years, A = $1800,

The rate of interest, r = 4% per annum,

The principal amount, p = $900,

Calculate the number of years as shown below,

A = P + SI

1800 = 900 + p × r × t / 100

Here, t is the time in years,

1800 - 900 = 900 × 4 × t / 100

900 = 3600t / 100

900 = 36t

t = 900 / 36

t = 25

Thus, the number of years will be 25.

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Answer:

58π or about 182.12

Step-by-step explanation:

In order to find circumference with diameter, you need to use the formula:

C = πd

Multiply the diameter (58) by pi, and since pi is an irrational number, let's use 3.14.

3.14(58) = 182.12

58π would be the answer as well if you don't multiply pi.

Applying the properties of a rhombus, the measures of the numbered angles are:

m<1 = 58°

m<2 = 90°

m<3 = 32°

m<4 = 58°

Some properties of a rhombus include:

Given the rhombus in the image above, the numbered angles are:

m<3 = 32° [opposite angles are equal]

m<2 = right angle = 90°

m<1 = 180 - 90 - 32 = 58°

m<1 = m<4

m<4 = 58°

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Answer:

Step-by-step explanation:

TQ = 44 + 25 = 69°

QR = 180 - 25 = 155°

TS = 180 -(44 + 25) = 180 - 69 = 111°

SQR = 180 + 155 = 335°


RQT = 180 + 44 = 224°

The y-intercept of (f − g)(x) is 8. Therefore, option C is the correct answer.

Given various values of the linear functions f (x) and g(x) in the table.

An intercept is a point on the y-axis, through which the slope of the line passes. It is the y-coordinate of a point where a straight line or a curve intersects the y-axis. This is represented when we write the equation for a line, y = mx+c, where m is slope and c is the y-intercept.

For the function f(x)

Here, (-6, 20) and (-4, 14)

Slope =(14-20)/(-4+6)

= -3

Substitute, m=-3 and (x, y)=(-6, 20) in y=mx+c, we get

20=-3(-6)+c

c=2

Substitute, m=-3 and c=2 in y=mx+c, we get

f(x)=-3x+2 --------(I)

For the function g(x)

Here, (-6, -36) and (-4, -26)

Slope =(-26+36)/(-4+6)

= 10/2 =5

Substitute, m=5 and (x, y)=(-6, -36) in y=mx+c, we get

-36=5(-6)+c

c=-6

Substitute, m=5 and c=-6 in y=mx+c, we get

g(x)=5x-6 --------(II)

Now, (f − g)(x)=-3x+2-(5x-6)

= -3x+2-5x+6

= -8x+8

Here, y-intercept is 8

The y-intercept of (f − g)(x) is 8. Therefore, option C is the correct answer.

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The fraction is 7/9 according to given information.

What is fraction?

A fraction, which derives from the Latin word fractus, which means "broken," is a portion of a whole or, more broadly, any number of equal parts. A fraction, such as one-half, eight-fifths, or three-quarters, indicates how many parts of a particular size there are when spoken of in everyday English. A common, vulgar, as well as simple fraction is one that has a non-zero denominator displayed below (or after) the line that separates the numerator from the denominator. Compound fractions, complex fractions, as well as mixed numeral fractions are examples of uncommon fractions that use numerators and denominators.

Main Body:
Let the fraction be a/b
In First condition
b = a + 2(1)
In Second condition
a + 1/b + 1 = 4/5
5(a + 1) = 4(b + 1)
5a + 5 = 4b + 4
5a - 4b = 4 - 5
5a - 4b = -1
Using 1
5a - 4(a + 2) = -1
5a - 4a - 8 = -1
a = 8 - 1
a = 7
Now,
Using 1
b = a + 2
b = 7 + 2
b = 9
Fraction = a/b = 7/9
hence , the fraction is 7/9.

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The number of boys in the class = 48 boys

The number of girls in the class = 12 girls

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the number of boys in the class be = x

Let the number of girls in the class be = y

Now , the total number of students in the class = 60

So , the equation , will be

x + y = 60   be equation (1)

Now , the number of boys = 4 times the number of girls

So , the equation will be

x = 4y   be equation (2)

Substitute the value of equation (2) in equation (1) , we get

4y + y = 60

On simplifying the equation , we get

5y = 60

Divide by 5 on both sides of the equation , we get

y = 12

So , the value of y is 12

Substitute , the value of y in equation (2) , we get

x = 4y

x = 4 x 12

x = 48

Therefore , the number of boys is 48 and the number of girls is 12

Hence , The number of boys in the class = 48 boys

The number of girls in the class = 12 girls

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