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3 years ago

Waylon is back-to-school shopping with his mom at a large department

Mathematics

2 answers:

levacccp [35]3 years ago

4 0

Answer:

Waylon's Purchase will cost $198.05, and section B depends.

Explanation: Section A is 85% of 233 since thats the total, making the answer to section A $198.05. The answer to section B depends because if he wants more school supplies, then yes, he would want to buy more things for better deals. But if he’s on a budget, then he wouldn't want to spend as much money since saving 20% on something over $300 is more than saving 15% on something over $200.

harina [27]3 years ago

3 0

Answer:

B, you would save 15%

Step-by-step explanation:

87+48+35+26+37 = 233

and its over $200, so that means you would save 15%

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Maranda praticed a total of 52 hours in 4 weeks to prepare for a piano recital. If she practiced the same number of hours each w

RUDIKE [14]

The number of practice hours per week for Maranda's piano recital is 13 hours

Overall practice hours = 52 hours

Number of weeks of practice = 4 weeks

Since, the number of practice hours per week is the same ;

Number of hours practiced each week can be obtained by dividing the overall practice hours by the number of weeks of practice.

Number of practice hours per week = Overall practice hours ÷ Number of weeks of practice

Number of practice hours = (52 ÷ 4) = 13 hours

Therefore, Marana practiced for 13 hours each week.

Learn more : brainly.com/question/18109354

3 0

2 years ago

Write the ratio statement as a fraction and reduce to lowest te<br> 20 pounds to 45 ounces

Alenkasestr [34]

Answer:

5/9

Step-by-step explanation:

fraction: 20/45

lcd of 25 and 45 is 5

25 ÷ 5 = 5

45 ÷ 5 = 9

therefore; 5/9

5 0

3 years ago

Another geometry question thanks!

Anettt [7]

For the given right triangle, we have:

L = 57°
ML = 4.5
NL = 7.5

<h3>How to get the dimensions of the given triangle?</h3>

Here we have a right triangle, remember that the sum of the internal angles of a triangle must be 180°, then:

N + M + L = 180°

We can see that:

N = 37°

M = 90°

Then:

L = 180° - N - M = 180° - 37° - 90° = 53°

Also, if we step on N, the adjacent cathetus measures 6 units, then we can use the relations:

tan(37°) = (opposite cathetus)/(adjacent cathetus)

tan(37°) = ML/6

tan(37°)*6 = ML = 4.5

cos(37°) = (adjacent cathetus)/(hypotenuse)

cos(37°) = 6/NL

NL = 6/cos(37°) = 7.5

If you want to learn more about right triangles:

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4 0

2 years ago

Please help and thank you

german

Answer: the answer is c

Step-by-step explanation: the first line is the min and the next is q1 and then the medium and q3 max

8 0

3 years ago

I am so confused and im really struggling and this is the only question i need

icang [17]

A polynomial of degree 3 has exactly 3 solutions if we use complex numbers. If the polynomial has real coefficients and z is a complex solution, i.e., $p(z)=0$ , the conjugate is also a solution: $p(\overline{z})=0$

So, in the first case, if we know that 1-i is a solution, the conjugate 1+i must be a solution as well.

So, we know all the roots: -5, 1+i, 1-i.

When you know the solutions $x_1,\ x_2,\ldots,\ x_n$ of a polynomial, you can write the polynomial (up to multiples) as

$p=(x-x_1)(x-x_2)\ldots(x-x_n)$

So, in your case, we have

$p(x) = (x+5)(x-1-i)(x-1+i) = x^3+3x^2-8x+10$

You can check that indeed $p(0)=10$ , because the constant term is 10, so, we're ok with this

The second exercise is exactly the same: the solutions -6, i, -i identify the polynomial

$p(x)=(x+6)(x-i)(x+i)=x^3+6x^2+x+6$

In this case, P(-3)=30, so if we want P(-3)=60 we have to multiply everything by 2:

$p(x)=2x^3+12x^2+2x+12$

3 0

3 years ago