1. Simplify by collecting like terms. Show your work when more than one step is required.
A and B for #1 are done I just need C

c. ?

2. Evaluate each expression for the given value of the variable. Show your work.
I need both A and B
a. ?

b. ?

3. The freshman class will be selling carnations as a class project. What is the class's income after it pays the florist a flat fee of $200 and sells c carnations for $2 each? Write an algebraic expression that models the situation.

I need this one as well

Let

x-----> the purchase price of the house

we know that

1) Marika paid [tex]80\%[/tex] of the purchase price of the house with a loan

2) Marika paid the remaining [tex]\$49,400[/tex] of the purchase price with her savings

3) [tex]\$49,400[/tex] represent the [tex]20\%[/tex] of the purchase price

so

[tex]0.20x=49,400[/tex]

Solve for x

Divide by [tex]0.20[/tex] both sides

[tex]0.20x/0.20=49,400/0.20[/tex]

[tex]x=247,000[/tex]

therefore

the answer is

the purchase price of the house is [tex]\$247,000[/tex]

Marika's house's total purchase price was $247,000, calculated by determining 1% of the purchase price from the known 20% and then multiplying it by 100.

To find the total purchase price of Marika's house, we can use the information that 80% of the purchase price was covered by a loan, while the remaining 20% (which is $49,400) was paid from Marika's savings. To find the full purchase price, we first find what 1% of the purchase price is by dividing the known 20% amount by 20.

1% of purchase price = $49,400 / 20

1% of purchase price = $2,470

To find the full 100% purchase price, we multiply the 1% value by 100.

Purchase price = 100 * (1% of purchase price)

Purchase price = 100 * $2,470

Purchase price = $247,000

Thus, the total purchase price of the house was $247,000.

The average weight for a typical passenger car is roughly estimated to be around 1,400 kilograms. However, this can vary significantly depending on the type, size, and model of the vehicle. Exact weights should be confirmed from the vehicle's specifications.

The weight of an automobile can significantly vary depending on the specific model and brand. The average weight of contemporary passenger cars is estimated to be around 1,400 kg. This weight is taken from a general approximation as weight can change based on the vehicle's size, materials, and included accessories.

For example, a luxury sports car like a 2014 Lamborghini Aventador Roadster weighs considerably less due to the use of lightweight materials in its construction. Some small cars or compact cars may weigh less than the typical average, while trucks and larger vehicles will likely exceed this weight.

Lastly, remember that the weight of the vehicle can influence factors such as speed, fuel efficiency, and momentum. Always ensure to confirm the specific weight for any particular vehicle from its manufacturer's specifications or verified sources.

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Answer:

For the temperature to be below 32 F, following inequality must be met,

[tex]h\geq 9.333[/tex]

Step-by-step explanation:

Let "t" be the temperature at any time.

General format of a linear equation can be given as,

y= mx + c

Where,

y ⇒ dependent variable ( in this case temperature t)

m⇒ Gradient ( the rate at which the temperature drops)

x⇒ independent variable ( hours )

c⇒ intercept ( this is the starting temperature)

Now we can substitute the given values to the above format to arrive at the equation,

[tex]t=-3h+60[/tex]

We can re-arrange the equations as ,

[tex]3h=60-t[/tex]

=[tex]h=20-\frac{t}{3}[/tex]

We can write this as an inequality when t = 32 F

[tex]h\geq 20-\frac{32}{3}[/tex]

=[tex]h\geq \frac{28}{3}[/tex]

=[tex]h\geq 9.333[/tex]

Answer:

20-7=13

Step-by-step explanation:

They gained 20 but it looks like they lost 7 so you would have to subtract.

If an ant has six legs, then:

So, if you saw between 35 and 50 legs, there are between six and eight ants.

Answer is (1, 2, -6)

x + 3y + z = 1   -------> first equation

2x – y – z = 6  -------> second equation

5x + y + z = 1 -------> third equation

Add second and third equation

2x – y – z = 6  -------> second equation

5x + y + z = 1 -------> third equation

-------------------------------------------------

7x = 7 (divide by 7 on both sides)

So x= 1

Now we add first and second equations

x + 3y + z = 1   -------> first equation

2x – y – z = 6  -------> second equation

-------------------------------------

3x +2y = 7

We already got x=1, replace it in the above equation

3(1) + 2y = 7

3 + 2y = 7 (subtract 3)

2y = 4 (divide both sides by 2)

So y =2

Now plug in the values in first equation

x + 3y + z = 1   -------> first equation

1 + 3(2) + z = 1

7 + z = 1 (subtract 7 from both sides)

z = -6

Answer is (1, 2, -6)

The equivalent of 10095 m/s is 6.2728 mi/s.

Further Explanation

To get the answer to this problem we use the conversion factor for meters to miles: 1609.34 m = 1 mi.

Setting up the dimensional analysis:

[tex]speed \ = 10095 \frac{m}{s} \times \frac{1 \ mi}{1609.34 \ m}\\[/tex]

We put the number of meters in the numerator so that the unit (meter) may be cancelled.

By multiplying the given by the number of meters in mile, we arrive at the answer:

[tex]\boxed {\boxed {speed = 6.2728 \ \frac{mi}{s}}}[/tex]

Since the given has 5 significant figures, the final answer must also have five significant figures.

Additional Example:

Sometimes the problem requires the conversion of both numerator and denominator. Below is a worked example for these kinds of question.

The conversion factor relating miles to meters is 1mile=1610m. The speed of light is 3.00×108 m/s. How fast is this in miles per hour (miles/h)?

The problem gives the conversion factor for miles to meter:

1 mi =1610 m

To convert the speed of light into the desired unit the following steps must be carried out:

These conversion may be done individually or simultaneously in a single dimensional analysis equation. The equation below shows the simultaneous conversion in one equation:

[tex]speed \ of \ light = 3.00 \times 10^8 \ \frac{m}{s} \times \frac{1 \ mi}{1610 \ m} \times \frac{60 \ s}{1 \ min} \times \frac{60 \ min}{1 \ h}\\\\\boxed {speed \ of \ light = 6.71 \times 10^8 \ \frac{mi}{h}}[/tex]

Since the answer must be expressed with only 3 significant figures, the final answer is:

Learn More

Keywords: miles, meters, conversion

Answer:

2.61 pounds of apples are left.

Step-by-step explanation:

Amount of green apples is 3.42 pounds and amount of red apples is 2.19 pounds.

So, the total amount of the two types apples will be:  [tex](3.42+2.19)pounds = 5.61[/tex] pounds.

Simone uses 3 pounds of apples to make a pie.

Thus, the amount of of apples left will be:  [tex](5.61-3)pounds= 2.61[/tex] pounds.

Answer: 15 3/5 feet

Step-by-step explanation:

The radical √60 can be expressed as 2√15.

A radical is a mathematical symbol (√) used to represent the square root or other roots of a number. It indicates finding the value that, when squared, equals the given number.

The square root of 60 can be rewritten as the square root of (4 * 15). This allows us to express it as the square root of 4 times the square root of 15.

So, √60 = √(4 * 15)

= √4 * √15

= 2√15.

Therefore, the square root of 60 can be expressed as 2√15.

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ANSWER

[tex]B=63\degree[/tex]

EXPLANATION

We want to solve the trigonometric equation;

[tex]tan^2(B)=4[/tex], where [tex]0\degree \le B \le 90\degree[/tex].

Taking square root of both sides gives,

[tex]tan(B)=\pm \sqrt{4}[/tex]

[tex]tan(B)=\pm 2[/tex]

Since B is in the first quadrant, we proceed with;

[tex]tan(B)=2[/tex], because the tangent ratio is positive in the first quadrant.

[tex]\Rightarrow B =arctan(2)[/tex]

[tex]\Rightarrow B =63.43\degree[/tex].

Correct to the nearest degree,

[tex]B =63\degree[/tex]

Answer:

158 tickets would be sold.

Step-by-step explanation:

Since,

[tex]\text{Number of tickets}=\frac{\text{Total cost of tickets}}{\text{Cost of each ticket}}[/tex]

We have,

Total cost of tickets = $ 2212,

Cost each ticket = $ 14,

Hence,

[tex]\text{Number of tickets that are sold}=\frac{2212}{14}=158[/tex]

The solutions to the equation 4z² − z − 7 = 0 will be negative 1.2 and 1.45.

The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2. Then we have

The quadratic equation is given below.

4z² − z − 7 = 0

Then we have

a = 4, b = -1, and c = -7

Then solutions to the equation will be

[tex]\rm x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}\\\\x = \dfrac{-(-1) \pm \sqrt{(-1)^2 - 4* 4 * (-7)}}{2 * 4}\\\\x = \dfrac{1 \pm \sqrt{1 + 112}}{8}\\\\x = \dfrac{1 \pm \sqrt{113}}{8}[/tex]

On further solving we have

x = (1 ± 10.63) / (8)

x = 1 - 10.63 / 8 , 1 + 10.63 / 8

x = - 1.2, 1.45

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the answer would be -4 because it's when the axis touches the y-axis. in that case it would be c. -4

hope this helps! ❤ from peachimin

x > 7                     x < 10

7 o---------------------o 10

This is not an empty set.  x contains all of the values between 7 and 10.

Final answer:

To find f(4x) for the function f(x) = x² + 2, you substitute 4x into the function and simplify to get f(4x) = 16x² + 2.

Explanation:

To find f(4x) for the function f(x) = x² + 2, we need to substitute 4x for every instance of x in the function. This gives us:

f(4x) = (4x)² + 2

Now we compute the square of 4x:

f(4x) = 16x² + 2

So, f(4x) for the given function is 16x² + 2.

Answer:

Emma has dog food worth of 6 weeks 6 days.

Step-by-step explanation:

Lets take number of weeks the dogs can eat dog food as [tex]x[/tex].

Then,

Number of bags dogs eat per week * number of weeks = number of dog food

will give the number of weeks the dogs can eat the dog food.

Now we substitute the given values to the equation,

[tex]8\frac{1}{4}*x=56\frac{37}{40}[/tex]

[tex]\frac{33}{4} *x=\frac{2277}{40}[/tex]

[tex]\frac{330}{40} *x=\frac{2277}{40}[/tex]

[tex]330*x=2277[/tex]

[tex]x=\frac{2277}{330}[/tex]

[tex]6.9[/tex] weeks

Which mean she has dog food worth of 6 weeks 6 days.

How to get answer:

[tex]\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\=3x^4-8x^3+9x+5+x-2\\Group\:like\:terms\\=3x^4-8x^3+9x+x+5-2\\\mathrm{Add\:similar\:elements:}\:9x+x=10x\\=3x^4-8x^3+10x+5-2\\\mathrm{Add/Subtract\:the\:numbers:}\:5-2=3\\=3x^4-8x^3+10x+3[/tex]

For this case we have a polynomial division.

A term of the quotient must be found step by step to eliminate the terms of the dividend.

The final result must comply with:

[tex]P (x) = Q (x) * D (x) + R (x)\\[/tex]

Where:

P (x) is the dividend

Q (x) is the quotient

D (x) is the divisor

R (x) is the remainder

Answer:

See attached image

Answer: x < 0

There is no underline under the "less than" sign

===================================================

How I got this answer:

We have an open hole at 0, and shading to the left. The shading represents all the possible solutions. For example, x = -1 is a solution since it is in the blue shaded region. We can list out the numbers -7, -6, -5, -4, -3, -2, -1 as values in the solution set, but we'd be working forever since there are infinitely many numbers in this set. Also, we'd be excluding fractional and decimal values using this slow method.

As a shortcut, we can just say "any number less than 0 is a solution" which we write as x < 0 or "x is less than zero". We do not include x = 0 itself due to the open hole at 0 on the number line.

The inequality that represents a graph where the line slopes upward to the right is when b > 0.

The inequality that represents a graph where the line slopes upward to the right is when b > 0. This means that the coefficient of x is positive, causing the line to have a positive slope. The inequality can be written as y > a + bx.

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[tex]2-3(x+4)=8\qquad|\text{use distributive property}\\\\2+(-3)(x)+(-3)(4)=8\\\\2-3x-12=8\\\\-3x+(2-12)=8\\\\-3x-10=8\qquad|\text{add 10 to both sides}\\\\-3x=18\qquad|\text{divide both sides by (-3)}\\\\\boxed{x=-6}}\to\boxed{a.}[/tex]

All you have to do is simplify the equation, then isolate x to find its value:

2 - 3 ( x + 4 ) = 8

- 3 ( x + 4 ) + 2 = 8

- ( 3x + 12 ) = 2 = 8

-3x - 12 + 2 = 8

-3x - 10 = 8

-3x = 18

x = [tex]\frac{18}{-3}[/tex]

x = -6

The answer is A= -6

Hope that helps!

Number #2 is D, number #3 i am not sure

The correctly identified hypothesis and conclusion is 'If it is raining, then the humidity level is 100%'. The biconditional form of the statement about complementary angles is 'Angles are complementary if and only if their sum measures to 90°.'

In the given scenarios, the true conditional with a correctly identified hypothesis and conclusion is 'If it is raining, then the humidity level is 100%'. The hypothesis is 'It is raining' and the conclusion is 'The humidity level is 100%'.

In relation to the second question about complementary angles, the definition is indeed reversible. We can write it as a biconditional statement: 'Angles are complementary if and only if their sum measures to 90°.' The biconditional statement holds true in both directions, showing that both conditions are necessary and sufficient for each other.

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Answer:

[tex]6/k[/tex]

Step-by-step explanation:

It's in the attachment!

I am pretty sure that the answer is x=6/k

[tex]\vec{u}=[5,\ 2],\ \vec{v}=[4,\ -3]\\\\2\vec{u}=2[5,\ 2]=[(2)(5),\ (2)(2)]=[10,\ 4]\\\\3\vec{v}=3[4,\ -3]=[(3)(4),\ (3)(-3)]=[12,\ -9]\\\\2\vec{u}+3\vec{v}=[10,\ 4]+[12,\ -9]=[10+12,\ 4+(-9)]=[22,\ -5][/tex]

Final answer:

In a situation where a transversal crosses parallel lines, several congruent angles and vertical angles can form, and supplementary angles are also a possibility. Complementary angles are formed only under specific conditions. The formation of obtuse angles depends on the transversal's orientation relative to the parallel lines.

Explanation:

When a transversal crosses parallel lines, several outcomes are possible, and we can determine which statements could be true. Let's go through the options provided:

The equation that models the value of the coin, t years after 2016, is [tex]Y = 75(1 + 0.04)^t.[/tex] It demonstrates an exponential growth where the coin's value increases at a rate of 4% each year since 2016.

The value of the coin changes at an annual rate of 4%, which suggests an exponential growth model. The general form of an exponential growth equation is  [tex]Y = P(1 + r)^t[/tex], where Y is the future value, P is the initial (or present) value, r is the rate of interest, and t is time in years. In this case, we know the present value (P) as of 2016 is $75, the rate of interest (r) is 4% or 0.04 per year, and the time (t) indicates the number of years since 2016.

Therefore, the equation that models the value of this coin, t years after 2016, should be  [tex]Y = 75(1 + 0.04)^t.[/tex] This equation can be used to estimate the future value of an 1858 flying eagle penny given the past rate of appreciation.

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The equation that models the value of the coin in dollars, t years after 2016, is A = 75(1 + 0.04)^t.

To model the value of the coin in dollars, t years after 2016, we can use the exponential growth formula:

A = P(1 + r)^t,

where A represents the final amount, P is the initial amount, r is the growth rate, and t is the number of years.

In this case, the initial amount is $75, the growth rate is 4%, and the number of years is t. So the equation would be: A = 75(1 + 0.04)^t.

Using this equation, you can calculate the value of the coin in dollars for any given year after 2016 by plugging in the number of years into the equation.

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This is a pemdas problem. The basic rule of pemdas is:

Multiplication/division and addition/subtraction are in no particular order; they are solved from left to right.

Since you solve inside the parentheses first, you would first add 1 and 2 together and then rewrite the problem.

6 ÷ 2(3)

Now you have 6 divided by 2 multiplied by 3. Pemdas shows that division and multiplication are solved in no particular order, so that means that you will solve this expression from left to right.

Start by dividing 6 and 2, then rewrite the problem.

3(3) is what you are left with.

Multiply 3 and 3 together and you will be left with your final answer of:

Hello!

Answer: ⇒⇒⇒⇒ =9

Step-by-step explanation:

This question it should be pemdas.

Hint:

↓

P-parenthesis

E-exponents

M-multiply

D-divide

A-add

S-subtract

First you had to calculate with parenthesis.

[tex](1+2)=3[/tex]

[tex]=6\div \:2*3[/tex]

Then you multiply and divide from ("left to right").

[tex]6\div \:2=3[/tex]

[tex]3*3=9[/tex]

Hope this helps!

Thank you for posting your question at here on brainly.

Have a great day!

-Charlie

To find the missing measures in a figure, utilize the properties or formulas associated with that specific shape. For example, use the Pythagorean theorem for right triangles.

To find the missing measures in each figure, you would typically use the properties of the specific geometrical shape presented.

For example, triangles have properties that are different from squares, rectangles, or circles. So, if you have a right triangle where you know the lengths of two sides, you can use the Pythagorean theorem to find the missing side.

This theorem states that a² + b² = c², where c is the length of the hypotenuse and a and b are the lengths of the other two sides. For other shapes, you may use different formulas or identities based on their properties.

For more such questions on measures, click on:

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