MATHEMATICS HIGH SCHOOL

I need help pls help me

Answers

Answer 1

Answer:

Answer:

12.21

step-by-step explanation:

70.81-58.6=12.21

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What is the area of a triangle with side lengths 25, 25, and 48

Answers

The area of this triangle can be solved using the Heron's Formula which is expressed as:

Area = √p(p −a )(p −b )(p −c )

where p is half of perimeter of the triangle and a,b,c are the side lengths.
p = (25 + 25 + 48) / 2
p = 49

Area = √49(49−25)(49−25)(49−48)
Area = 168

This is Algebra*Factor the trinomial or state that it is prime*

1. t^2 +2t - 48 =

2. t^2 + 16t - 48 =

3. t^2 - 13t - 48 =

4. x^2 - 17x + 42 =

5. x^2 + 13x - 30 =

Answers

1. ( t + 8) (t - 6) t = -8 and 6
2. prime
3. (t - 16) (t + 3) t = 16 and -3
4. prime
5. (t + 15) (t - 2) t = -15 and 2

a pair of shoes is on sale for 30% off. the original price is p. which expression can be used to find the price of the shoes after the discount?

Answers

Original price = p
Discount price = p * (30/100)
= 0.3p
Price after the discount
p - 0.3p
0.7p

Answer:

Discounted price= 0.7 p

Step-by-step explanation:

Original price = p

Since we are given that 30 % is off on the price

So, 30 % of p

$(30)/(100) * p$

$0.3p$

So, the discount is of amount 0.3p

So, the discounted price = Original price - Discount amount

So,the discounted price = p-0.3p

Discounted price= 0.7 p

Hence expression can be used to find the price of the shoes after the discount is 0.7p

Helppp !!
brainly !!

Answers

Answer:

$\sf\n\textsf{No this is not a function.}$

Explanation:

$\sf\n\textsf{The curve shown in the image is not a function because it fails the vertical line}\n\textsf{test. The vertical line test states that if any vertical line intersects a graph more}\n\textsf{than once, then the graph is not a function.}\n\textsf{In the graph you posted, any vertical line that intersects the curve cuts the curve}\n\textsf{two times.}$

Which of the following statements are true regarding functions? *Check all that applyA. The horizontal line test may be used to determine whether a function is one-to-one.

B. A function is a relation in which each value of the input variable is paired with exactly one value of the output variable.

C. The vertical line test may be used to determine whether a function is one-to-one.

D. A sequence is a function whose domain is the set of real numbers.

Answers

Answer: A and B.

C. FALSE, because the vertical line test may be used to determine whether a relation is the function.

D. FALSE, because the function domain can be any set.

Answer:

It's A and B bbbbb bbb bbb bbb a a a a a aa a a a a a aa a aaaaaaaaaaaa a ababbababbababbababba aba ab baba ab ba babb abba ba ba b ab ab bab abab ab ab ab ab ab aba ba ba ab

Review the incomplete derivation of the cosine sum identity.A 2-column table with 5 rows. Column 1 has entries step 1, step 2, step 3, step 4, step 5. Column 2 has entries cosine (x + y), sine (StartFraction pi Over 2 EndFraction minus (x + y) ), blank, sine (StartFraction pi Over 2 EndFraction minus x) cosine (negative y) + cosine (StartFraction pi Over 2 EndFraction minus x) sine (negative y), blank.

Which expressions for Step 3 and Step 5 complete the derivation?

Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) + y )
Step 5: cos(x)cos(y) + sin(x)sin(y)
Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) + y )
Step 5: cos(x)cos(y) – sin(x)sin(y)
Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) minus y )
Step 5: cos(x)cos(y) + sin(x)sin(y)
Step 3: Sine ( (StartFraction pi over 2 EndFraction minus x) minus y )
Step 5: cos(x)cos(y) – sin(x)sin(y)