Hillary buys a television on a twelve-month
installment plan. If each of her first 3 installments is
twice as much as each of her 9 remaining install-
ments, and her total payment is $600, how much is
her first installment?
A. $35
B. $40
C. $65
D. $80

Answer:

consider the two number as x and y

first  given condition

x-6 = 3y

i.e. x= 3y + 6  eqn 1

second given condition

x+ y = 38

i.e. x= 38-y  eqn 2

solving eqn 1 and 2

3y + 6 = 38-y

3y + y = 38-6

4y = 32

y = 8

substituting the value of y in eqn 2

x = 38 - y

x= 38-8

x= 30

hence the required numbers are 8 and 30

The term (- x² + 2x + 1 ) must be subtracted from (x² + 2x - 3) to get

(2x² - 4).

Here,

We have to find the number which must be subtracted from x² + 2x - 3 to get 2x² - 4.

What is Number system?

A system of writing to express the number is called number system.

Now,

Let 'a' must be subtracted from x² + 2x - 3 to get 2x² - 4.

It can be written as;

(x² + 2x - 3) - a = 2x² - 4

a = (x² + 2x - 3) - (2x² - 4)

a = x² + 2x - 3 - 2x² + 4

a = - x² + 2x + 1

Therefore, The term (- x² + 2x + 1 ) must be subtracted from x² + 2x - 3 to get 2x² - 4.

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The ordered pair we are looking for is the values of the variables [tex]x[/tex] and [tex]y[/tex], or [tex](x, y).[/tex]  We are given that [tex]x=2[/tex], and that the formula to evaluate [tex]y[/tex] is [tex]y = 5^x[/tex]. Note we are given [tex]x[/tex] so we can evaluate [tex]y[/tex] as [tex]y = 5^2 = 25[/tex]. Now, we have both the values of [tex]x[/tex] and [tex]y[/tex], so our ordered pair is thus [tex](x,y) = (2,25).[/tex]

Step-by-step explanation:

THE THIRD GRAPH IS THE PARABOLA!

HOPE THIS HELPS!

The polar equation r = - 4 · cos θ is equivalent to the equation of the circle (x + 2)² + y² = 2², whose radius is 2 and center is (h, k) = (- 2, 0).

Polar and rectangular forms are related by this relation: (x, y) → (r · cos θ, r · sin θ), where r is the radial distance with respect to the origin and θ is the angle in standard position. We can use this fact to change the given expression into its rectangular form:

r = - 4 · (x / r)

r² = - 4 · x

x² + y² = - 4 · x

y² = - (x² + 4 · x)

y² - 4 = - (x² + 4 · x + 4)

y² - 4 = - (x + 2)²

(x + 2)² + y² = 4

(x + 2)² + y² = 2²

In a nutshell, the polar equation r = - 4 · cos θ is equivalent to the equation of the circle (x + 2)² + y² = 2², whose radius is 2 and center is (h, k) = (- 2, 0).

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Answer:

1(7-6)1/6

Step-by-step explanation:

Answer: x=21, y=8

Step-by-step explanation:

18y+5=10x-61  ==> 18y+5 and 10x-61 are congruent angle, so they're equal

x+10+10x-61=180 ==> x+10 and 10x-61 are supplementary angles since they're on a straight line(a straight line measures 180 degrees and is called a straight angle), so they add up to 180 degrees.

x+10x+10-61=180

11x-51=180

11x=231

x=21

18y+5=10(21)-61

18y+5=210-61

18y+5=149

18y=144

y=8

Answer:

5a,3a

Step-by-step explanation:

Answer:

y= (x+9)^2

Step-by-step explanation:

If h<0 ( negative) then it shifts to the right, if it is is h>0 ( positive number) then it shift to the left!

y = x2

Shift 2 units left:  y = (x+2)2

Then, shift up 9 units:  y = (x+2)2 + 9

Then, reflect in the x-axis:  y = -(x+2)2 - 9

Answer:

q arrow p, and p arrow q

Step-by-step explanation:

edmentum

Answer:

Dear Friend

the answer is 6

Step-by-step explanation:

Just see the highest possible degree x in each term being multiplied and add the degree

that is

x has a degree 1

(x-1)² has a highest possible x degree as 2

for (x+5)³ it is 3

1+2+3=6

-5-3x

-5-3(-2)=1

-5-3(-1)= -2

-5-3(0)= -5

-5-3(1)= -8

-5-3(2)= 11

Answer:2.1

Step-by-step explanation:

i added them then divided by 7

Answer:the iconic Indian building named Taj Mahal

Step-by-step explanation:

Answer:

[tex] \sf\large \: y = \frac{ - 1}{3} x - 3[/tex]

Step-by-step explanation:

Let's solve for y.

−2(x+3y)=18

Step 1: Add 2x to both sides.

−2x−6y+2x=18+2x

−6y=2x+18

Step 2: Divide both sides by -6.

−6y/−6 = 2x+18/−6

y= −1/3x−3

Answer:

c

Step-by-step explanation:

Answer:

y = 2x

Step-by-step explanation:

The slopes of two perpendicular lines are negative reciprocals of each other. So the slope is 2

m = 2, y = -4, x = -2

y = mx + b

-4 = 2(-2) + b

b = -4 + 4

b = 0

y = 2x

The towns are 15600 miles apart.  

The term "map scale" refers to the proportion between a distance on a map and its corresponding distance on the ground. Lets see an example like, On a map with a scale of 1:100,000, one kilometer on the ground is equivalent to one centimeter. The scale of a map refers to the proportion between a distance on a map and its actual distance on the ground. This simple concept is complicated by the fact that scale must vary across a map due to the curvature of the Earth's surface. The concept of size is now important in two different ways as a result of this development.

The size of the producing globe is compared to the size of the Earth in the first technique. a theoretical globe known as the generating globe, upon which the map is projected and the Earth is compressed. The ratio of the size of the Earth to that of the generating globe is known as the nominal scale, also known as the major scale or representative fraction.

∵ 1 inch = 50 miles on the map

∴ 312 inches = 312 * 50 = 15600 miles .

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The  synthetic division solution of  (4x² + 3x³ + 9x− -20) /  (x + 2)​ is mathematically given as

3x^2-2x+13-(6/x+2)

This is further explained below.

Generally, Synthetic division is a technique that may be used to manually conduct Euclidean division of polynomials.

Compared to long division, the synthetic division requires less writing and fewer calculations to complete. The approach is most often taught for dividing by linear monic polynomials; however, it may be extended to divide by any polynomial.

In conclusion, The  synthetic division solution is mathematically given as

3x^2-2x+13-(6/x+2)

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Answer:

10 cups

Step-by-step explanation:

Since 16 cups is twice 8 cups, it needs twice 5 cups of flour which is 10 cups.

We can also use a proportion.

5/8 = x/16

8x = 5 × 16

x = 5 × 2

x = 10

Answer: 10 cups

It is not a function because: C) the element 1 is in both the domain and the range.

A relation can be defined as a function if each of the domain values each has exactly one corresponding range value. This means that an element of the domain must not have two different elements from the range that it is related or corresponded to.

In the given function, 1 as an element of the domain is related to two different range elements, 10 and 7. This doesn't satisfy a function property.

Therefore, we can state that: it is not a function because: C) the element 1 is in both the domain and the range.

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Answer: 56.25 of 70% and 93.75pints of 90%

Step-by-step explanation: First find the ratios. One juice is 70% and the other is 95%. Your goal is 85%. This is 15% from 70 and 10% from 95. This means you need (15)/(15+10) of 95, which is 3/5 of all the juice to be 95. This means you will need more of the 95% juice, which makes sense because 85 is closer to 95. So 3:5 and total 150=56.25 of 70% and 93.75pints of 90%

the required simplified value of given expression 4x = 12x + 32 is x = -4 (hence proved).

Given that,
An expression is given 4x = 12x + 32,
We have to prove x = -4 as of simplified solution.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
4x = 12x + 32
Taking 12x to the left side of the equal sign and it becomes -12x
4x - 12x = 32
Applying subtraction property between 4x and 12
- 8x = 32
Dividing both sides by -6
x = -4

Thus, the required simplified value of the given expression is x = -4 (hence proved).

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The Additive Inverse is -32/6

Additive Inverse of Real Numbers:

The given number can be whole number, a natural number, an integer, a fraction, a decimal, or any real number. The additive inverse of real numbers is just the negative of the given number.

What is Additive Inverse?

Additive Inverse simply means changing the sign of the number and adding it to original number to get an answer is equal to 0.

Now, Come to the question:

Expression is : [tex]-4\frac{1}{6} -(-6)\frac{1}{3}[/tex]

Solve it : [tex]\frac{-25}{6}-\frac{(-19)}{3}[/tex]

Taking the L.C.M

=[tex]\frac{-25+57}{6}[/tex]

=32/6

Additive inverse of 32/6 is -32/6

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One way to solve is to follow these steps

2(3b - 2) = 2(2b + 12)

2*3b - 2*2 = 2*2b + 2*12

6b - 4 = 4b + 24

6b-4b = 24+4

2b = 28

b = 28/2

b = 14

The 47th term in the given arithmetic sequence is 34.

Given,

The arithmetic sequence = 310, 304, 298,......

First term of the sequence, t₁ = 310

Common difference of the sequence, d = t₂ - t₁ = 304 - 310 = -6

nth term of an arithmetic sequence, tₙ = t₁ + ( n - 1) d

We have to find the 47th term of the arithmetic sequence.

That is, n = 47

So,

t₄₇ = 310 + (47 - 1) -6

t₄₇ = 310 + (46 x (-6) )

t₄₇ = 310 - 276

t₄₇ = 34

Therefore, the 47th term in the given arithmetic sequence is 34.

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Answer:

67,500

Step-by-step explanation:

i think this is the answer.

Answer:  67500

This is because 536 is closer to 500 than it is to 600

f(x)=x+1 is a formula for a function f(x) that has f(9)=10

What is a simple definition for function?

A function is defined as a relation between a set of inputs having one output each. In simple words, a function is a relationship between inputs where each input is related to exactly one output. Every function has a domain and codomain or range. A function is generally denoted by f(x) where x is the input

a constant function is a function whose (output) value is the same for every input value. For example, the function y(x) = 10 is a constant function because the value of y(x) is 10 regardless of the input value x

if we take f(x)= x+1

then put x=9 we get f(9)= 10

Hence , f(x)=x+1 is a formula for a function f(x) that has f(9)=10

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