How to solve this equation of the missing sides of the triangle

Answer:

$40 ; $43.20

Step-by-step explanation:

a) 50 * (1 - .20) = 50 * .8 = 40

b) 50 * (1 - .20) * (1 + .08) = 43.20

c) The sales tax increases the price from a by 8%

Answer:

a)  40 dollars

b) 43.20 dollars

c)  In Part A the instructions tell you to find the 20% in the 50 dollars But in  part B  it tells you to solve the problem with the discount applied after the sales tax.

Step-by-step explanation:

Answer:

180°

Step-by-step explanation:

Answer:180

Step-by-step explanation:

Answer:

The difference is 3/4

Step-by-step explanation:

First, you look at the smallest and biggest amount. Then, you subtract! 4/4-1/4=3/4

Answer:

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

Step-by-step explanation:

The complete question is

Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and each peach costs $2. She bought  a total of 14 peaches and bananas altogether. Determine the number of peaches and the  number of bananas that Emily bought

Let

x ----> the number of bananas that Emily bought

y ----> the number of peaches that Emily bought

we know that

She bought  a total of 14 bananas and peaches altogether

so

[tex]x+y=14[/tex] -----> equation A

She bought $20.80 worth of bananas and peaches

so

[tex]0.80x+2y=20.80[/tex] -----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (6,8)

see the attached figure

therefore

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

Answer:A

Step-by-step explanation:

8 is the only equal number

Answer:

i believe its 8 :)

Answer:

3.5

Step-by-step explanation:

30 · 7 = 210

210 ÷ 60 = 3.5

Answer:

[tex]y = - {(x - 4)}^{2} - 2[/tex]

[tex]y = - {(x + 4)}^{2} - 2[/tex]

Step-by-step explanation:

The vertex form of a parabola is given as

[tex]y = a {(x - h)}^{2} + k[/tex]

If this parabola opens downward, then a<0.

This means for a function opening downward not to have a solution, the k value must also be negative and taking a square root of a negative number will not give real solution.

From the given options, examples of such functions are:

[tex]y = - {(x + 4)}^{2} - 2[/tex]

and

[tex]y = - {(x - 4)}^{2} - 2[/tex]

Answer:it’s y>=-(x+4)^2-2

Step-by-step explanation:

I checked it in my graphing calculator and it works. I’m also doing the program sooo

Answer:

-30

Step-by-step explanation:

Hope this helps! Brainliest is appriciated.

Answer:

[tex]24x - 12 - 43x - 6 \\ 24x - 43x - 12 - 6 \\ - 19x - 18[/tex]

Step-by-step explanation:

Final answer:

The positive solution to the equation 2x² + 25 = 73 is x = √24, which is approximately 4.9.

Explanation:

The student is asking for the positive solution to the equation 2x² + 25 = 73. To solve this, we first isolate the quadratic term by subtracting 25 from both sides of the equation, resulting in 2x² = 48. Then, we divide both sides by 2, simplifying to x² = 24. Taking the square root of both sides gives us two solutions, x = √24 and x = -√24. Since we're seeking the positive solution, we take the positive square root, which yields x = √24 or about 4.9.

Answer:

Answer:

The answer is C

Step-by-step explanation:

All of the side lengths on the pre-image multiplied by 3 equal out to the side lengths proportional, and the angles are all the same, making them congruent. Please consider giving brainliest.

Answer:

x = 8

Step-by-step explanation:

Two secants drawn from an external point to the circle.

The (outside ) × (whole) of one secant is equal to the (outside) × (whole) of the other secant, that is

(x + 2)(x + 2 + 2x - 8) = (x + 1)(x + 1 + 2x - 5)

(x + 2)(3x - 6) = (x + 1)(3x - 4) ← expand both sides using FOIL

3x² - 12 = 3x² - x - 4  ( subtract 3x² - x - 4 from both sides )

x - 8 = 0 ( add 8 to both sides )

x = 8

To round 721295.198715 to the nearest ten, we increase the tens place from 9 to 0 due to the ones place being 5, resulting in 721300.

To round the number 721295.198715 to the nearest ten, we should look at the digit in the ones place, which is 5. Since the ones digit is 5 or greater, we need to round up the tens place.

Therefore, the tens digit increases by one from 9 to 0, and all digits to the right of the tens place become zero.

Thus, 721295 rounds up to 721300 when rounded to the nearest ten.

Note that we ignore the decimal and its subsequent numbers because they do not influence the rounding of a number to the nearest ten.

Answer:

x = 2

Step-by-step explanation:

Start by combining like terms.

Collecting x terms onto the left side results in 8x;

collecting constants onto the right side results in 16.  

Therefore, 8x = 16, and x = 2

Answer:

w = 30

Step-by-step explanation:

w ÷ 5 = 6

Multiply both sides of the equation by 5

w = 30

Hope this helps :)

Answer:30

Step-by-step explanation:

5 divided by 30 is 6

Answer:

14/45

Step-by-step explanation:

Option D:

[tex](n+4)^{\frac{3}{5}}[/tex] is the equivalent expression for [tex]\sqrt[5]{(n+4)^{3}}[/tex].

Solution:

Given expression:

[tex]\sqrt[5]{(n+4)^{3}}[/tex]

To find the equivalent expression for the given expression.

[tex]\sqrt[5]{(n+4)^{3}}[/tex]

Using radical rule: [tex]$\sqrt[m]{a}=a^{\frac{1}{m}}[/tex]

      [tex]$=\left((n+4)^{3}\right)^{\frac{1}{5}}[/tex]

Using exponent rule: [tex]$\left(a^{b}\right)^{c}=a^{b c}[/tex]

      [tex]$=(n+4)^{3 \cdot \frac{1}{5}}[/tex]

      [tex]$=(n+4)^{\frac{3}{5}}[/tex]

[tex]\sqrt[5]{(n+4)^{3}}=(n+4)^{\frac{3}{5}}[/tex]

Hence [tex](n+4)^{\frac{3}{5}}[/tex] is the equivalent expression for [tex]\sqrt[5]{(n+4)^{3}}[/tex].

Option D is the correct answer.

Answer:

Learning about functions vs. new language

Step-by-step explanation:

Length of other two sides is 27:33

Option B

Step-by-step explanation:

Here we have , The sides of a triangle are in ratio 9:11:13.The largest side of a triangle like this is 39. Let's calculate other two sides of the second triangle:

[tex]9:11:13[/tex] is the ratio  ,largest ratio value is 13 which represents largest side ratio whose length is 39 :

⇒ [tex]13x = 39\\[/tex]

⇒ [tex]x = \frac{39}{13}\\[/tex]

⇒ [tex]x = 3[/tex]

Now, other two sides are 9 x and 11 x

i.e. [tex]9x = 9(3) = 27[/tex]

 [tex]11x = 11(3) = 33[/tex]

So, lengths of all the three sides are 27:33:39 . And, Length of other two sides is 27:33`

Answer:

[tex]5x - 30[/tex]

Step-by-step explanation:

We want to simplify

[tex]5(x - 6)[/tex]

We use the distributive property of real numbers which says that:

[tex]a(b + c) = ab + ac[/tex]

We apply the distributive property to get;

[tex]5(x - 6) = 5 \times x - 5 \times 6[/tex]

This implies that:

[tex]5(x - 6) = 5 x - 30[/tex]

Therefore the correct answer is 5x-30

Answer:

Step-by-step explanation:

The 21st term of the given geometric sequence can be found by using the formula for the n-th term of a geometric sequence: a_n = a_1 * r^(n-1). In this case, it is 112.5 * 2^(21-1).

In a geometric sequence, each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio. In this case, 225 divided by 112.5 gives us the common ratio of 2. Therefore, to find the 21st term of the given geometric sequence, we use the formula: a_n = a_1 * r^(n-1). Here, a_n is the n-th term, a_1 is the first term, r is the common ratio and n is the term which we want to find.

So, substituting the given values into the formula, a_21 = 112.5 * 2^(21-1). Calculate this and you'll have the 21st term of the geometric sequence.

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Answer:

$165.50 dollars

Step-by-step explanation:

$993 / 6 = $165.50

Lula will need to pay $165.50 each month for 6 months to pay off her $993 furniture purchase without interest.

Lula purchased furniture on her credit card and plans to make payments over a period of 6 months with no interest charged. To calculate the monthly payment amount, you would divide the total cost of the furniture by the number of months over which she plans to pay.

The formula to find out the monthly payment is:

Monthly Payment = Total Cost / Number of Months

So for Lula, it looks like this:

Monthly Payment = $993 / 6

Monthly Payment = $165.50

Therefore, if Lula pays $165.50 each month, she will have the furniture paid off in 6 months without incurring any interest.

Answer:

8

Step-by-step explanation:

-11/2x + 3 -2(-11/4x -5/2)

-11/2x + 3 + 11/2x + 5        use the distributive property

-11/2x  + 11/2x + 8        combine 3 and 5

8          subtract the x

the answer is 8

Answer:

8:5

Step-by-step explanation:

Given there are 8 male teachers and 5 female teachers,The ratio of number of male teachers to female teachers

= no. Of male teachers/no. Of female teachers

That’s

8/5

8:5

8:5 = 160%

theres not really an explanation to this hope it helps :)

Answer:

a.

Step-by-step explanation:

A p-value less than 0.05 (typically ≤ 0.05) is statistically significant. It indicates strong evidence against the null hypothesis, as there is less than a 5% probability the null is correct (and the results are random). Therefore, we reject the null hypothesis, and accept the alternative hypothesis.

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

First question:

The first question involves the test of an hypothesis.

Tests have significance levels, which normally are either 0.01, 0.05 or 0.1. If the p-value is less than the significance level, the results are significant, while if they are more, the results are not significant.

In this question, the p-value is 0.45, which is considerably more than any significance level, meaning that the results are nowhere near to being statistically significant, and the correct option is:

a. The results are nowhere near to being statistically significant.

A similar problem can be found at https://brainly.com/question/22968227

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Second question:

The order in which the people are chosen is important, as the first and second person chosen have different roles, and thus, the permutations formula is used.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]

In this problem, there are 2 people from a set of 10, so:

[tex]P_{10,2} = \frac{10!}{8!} = 10\times9 = 90[/tex]

90 possible combinations, option b.

A similar problem can be found at https://brainly.com/question/24245547

Answer:

Step-by-step explanation:

height of triangle=√(11²-8.6²)=√(11+8.6)(11-8.6)=√(19.6×2.4)

=√(4×4.9×4×0.6)=4√(4.9×0.6)=4√2.94

area of triangle=1/2 bh=1/2×2×8.6×4√2.94

=34.4×√2.94

≈58.984

230 is the  value of the company in 2018.

Option (B) is correct.

To find 230 represent in the function.

science that deals with the addition, subtraction, multiplication, and division of numbers.

It is given that:

The equation of a exponential growth function is equal to

[tex]V(t)=a(1+r)^{t}[/tex]

where,

V(t) is the value of the company

t is the number of years after 2018

a is the initial value or y-intercept

r is the rate of change

Put the value,

a=230

1+r=1.12

r=1.12-1=0.12

r=12%

so 230 is the value of the company when the value of t is equal to zero.

Remember that t is the number of years since 2018

Therefore ,230 is the  value of the company in 2018.

Learn more about arithmetic here:

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