Mathematics High School

Which trig function would you use?

Answers

Answer 1

Answer:

I will use option A sine formula

Answer 2

sine or tangent but i really think its tangent

Related Questions

PLEASE HELP I NEED THIS DONE VERY FADT PLZZZ

Answers

Answer:

Angle 4 is 65°

Step-by-step explanation:

180-115=65

Answer:

m<4 would be 65 degrees.

Step-by-step explanation:

You know they add up to 180, so 180 - 115 = 65 degrees.

consider the expression 7 - 4y. Why would the co-efficient be -4 and not 4?

Answers

Because the answer to X is a negative number, and negative numbers are needed for negative answers

Answer: because it won’t make sense if it was 74y it has to have an equation or expression.

Step-by-step explanation: I’m not that smart and I have no friends on brainly but hope it helps and makes your day.

What is the value of y?

Enter your answer in the box.

Answers

Y = 20 because both sides equal 25
180-50= 130
130-70=60
60/3= 20

WILL GIVE BRAINLIEST PLZZZ HELP

Answers

Answer:

its B.

Step-by-step explanation:

Tim's pay increased by 5% to £880
a fortnight.
What was his pay before the
increase?

Answers

Answer:

£838.10

Step-by-step explanation:

Let the previous salary be x

Increase = 5%

New salary = £880

x + 5% = 880x*1.05 = 880x = 880/1.05x = £838.10 (rounded)

Answer:

£838.10

Step-by-step explanation:

let x be past pay

according to the question

[tex]x \times \frac{105}{100} = 880[/tex]

[tex]x = 880 \times \frac{100}{105} [/tex]

[tex]x = 838.10[/tex]

A floral design on a floor is made up of 16 tiles which are triangular,
the sides of the triangle being 9cm, 28cm and 35cm. Find the cost of
polishing the tiles at the rate of 50p per m^2?

Answers

Answer:

Answer

Area of tiles = 16 x area of 1 Δ

a+b+c

9+28+35

=36

Area=

36(36−9)(36−28)(36−35)

36×27×8×1

Area of tiles = 16 ×36

=1410.20.

Cost of polishing per cm

= 50.

Cost of polishing = 1410.90 cm

1410.90 x

705.45

Step-by-step explanation:

Square root 5 x square root 5 x square root 2 x square root 2
Answer left in surds

Answers

Answer:

10 or [tex]\sqrt{100}[/tex] (in surds)

Step-by-step explanation:

[tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] × [tex]\sqrt{2}[/tex] × [tex]\sqrt{2}[/tex] = 5×2 = 10 or [tex]\sqrt{100}[/tex]

When the same square root multiply each other, they equal to the number in the square root. E.g. [tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] = 5 because [tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] also equals to [tex]\sqrt{25}[/tex], which is 5.

Hope this is helpful :)

Write the equation of the directrix of the parabola shown below.
y2 + 16y+ 4x + 4 = 0

Answers

Answer:

x = 16 is the answer

Step-by-step explanation:

SOMEONE HELP GEOMETRY
ALSO THE LAST ANSWER CHOICE WAS
E. AD is congruent it equal to CD

Answers

Answer:

b? Ac should be Perpendicular to BD Or it might be A, but I'm pretty sure that it's B

Step-by-step explanation:

*starts to calm* .....

Answers

Answer:

its math dude

answer

-8

explanation

3-(-8) = 11

add me as brainliest please

what is the equation of the blue line

Answers

The equation of the blue line will be

y = 4x -3

The equation of the line that passes through the points (1, 1) and (2, 5) is y = 4x - 3.

We have,

To find the equation of the line that passes through the coordinates (1, 1) and (2, 5), we can use the point-slope form of the equation of a line.

The point-slope form of the equation is:

y - y1 = m(x - x1)

Where (x1, y1) represents one of the given points on the line, and m represents the slope of the line.

First, let's calculate the slope (m) using the given coordinates:

m = (y2 - y1) / (x2 - x1) = (5 - 1) / (2 - 1) = 4 / 1 = 4

Now, we can choose either of the given points and substitute its coordinates into the point-slope form. Let's use (1, 1):

y - 1 = 4(x - 1)

Simplifying the equation:

y - 1 = 4x - 4

y = 4x - 3

Therefore,

The equation of the line that passes through the points (1, 1) and (2, 5) is y = 4x - 3.

Learn more about the equation of a line here:

https://brainly.com/question/23087740

#SPJ2

3 tickets to the museum cost $12.75. At this rate, what is the cost of:

A: 1 ticket?

B: 5 tickets?

Answers

Answer:

Each ticket is $4.25 and five tickets would cost $21.25

Step-by-step explanation:

Which represents if x=4 then y=-2

Answers

Answer:

what are the answers?

Step-by-step explanation:

Otherwise it isn't answerable

what the square root of 2000

Answers

Answer:

44.7213595

Step-by-step explanation:

I need to write something here apparently

PLZZZ HELP ME OUT........................ PLZZ

Answers

Answer:

a) constant of proportionality is 3/5

b) 3.5cm per 1 minute

c) 21 cm water in trough after 6 min

d) 70 cm

Step-by-step explanation:

d) 21 / 6 = x / 20

7 / 3 = x / 20

2x = 140

x = 70

It would be D 20 minutes water levels

Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in 15seconds or walk down it in
30seconds. One day, when the escalator was broken (and stationary), it took Thomas
20seconds to run down it.

How long, in seconds, would it take Thomas to walk down the broken escalator?
HELP ME ASAP

Answers

Answer:

amswer is 7mph

Step-by-step explanation:

i said so

slope of -6,8 and -6,-8

Answers

Answer:

use math.way.com

Step-by-step explanation:

Can someone help I've tried many times and keep getting confused by math.

Answers

the answer is c your welcome

Answer:

C) y = 2/3x + 2

Step-by-step explanation:

first find the slope:

(0,2)

(3,4)

(4-2)/(3-0)

2/3

y = 2/3x + b

2 = 2/3(0) + b

b = 2

y = 2/3x + 2

Find the Y intercept of the line y-3=2(x + 1)

Answers

Answer:

y=2x+1

Step-by-step explanation:

pls anwer fast is due in 5min

Answers

Answer:

Taking my points

Step-by-step explanation:

You spammed my own question

Find the missing length indicated
I WILL GIVE BRAINLIEST TO CORRECT ANSWER

Answers

Answer:

The length of the missing side is: x = 15

Thus, option A) is the correct option.

Step-by-step explanation:

Let 'x' be the missing sides.

From the given triangle, it is clear that the segment cuts the sides into proportional ratios such 9 : 12 and x : 20 respectively.

Therefore,

9 : 12 = x : 20

9/12 = x/20

cross multiplication

12 × x = 20 × 9

12x = 180

divide both sides by 12

12x/12 = 180/12

x = 15

Therefore, the length of the missing side is: x = 15

Thus, option A) is the correct option.

what is 68,302 divided by 1,000

Answers

The answer is 68.302

PLS HELPPLS PLS PLS ILL GIVE BRAINLY

Answers

The answer to this question is c I think

Question 14) D
Question 15) D

Can you help me please and thank you have a great day

Answers

The answer is x+2=y :)

x+2=y is the answer bro

81, 6, 7, 1, 42
Mode ??
Median ??

Answers

Answer:

No mode

Median 7

Step-by-step explanation:

Mode: The mode is the element that occurs most in the data set. In this case, all elements occur only once, so there is no mode.

Median: Arrange the data in an ascending order and the median is the middle value. If the number of values is an even number, the median will be the average of the two middle numbers.

Answer:

Mode: no mode

No mode because there are no repeating numbers.

Median=7

Put in order from least to greatest- 1,6,7,42,81

Find the one in the middle- 7

Help needed ASAP please

Answers

Answer:

19. 0•7431

20. 1•2800

21. 0•4850

Write a situation to represent the equation
Y = 5x

Answers

5+5+5+5+5
it’s like 5 apples or 5 anything 5 times

PLS HELP Anna buys bananas and apples. She buys 2 more apples than twice the number
of bananas. Altogether, Anna bought 14 fruits. How many apples did she buy?
(Hint use a bar model)
Your answer

Answers

Answer:

You have to put this in a bar model yourself so convert it later

She bought 10 apples

Step-by-step explanation:

3x + 2 = 14

why i did this

because she bought 2 times the amount of bananas, it should be x + 2x = 3x

then i added two because she bought two extra apples

so 3x+2 = 14

subtract 2

3x = 12

x = 4

So now we substitute x in apples

2x +2 = # of apples

8 +2 = 10

check

10 - 2 = 8

8/2 = 4

4 = # of bananas

Answer:

Anna bought 4 bananas and 10 apples.

Step-by-step explanation:

System of Equations

Let's call the following variables:

x = number of bananas Anna buys

y = number of apples Anna buys

She buys 2 more apples than twice the number of bananas, thus:

y = 2x + 2 [1]

Anna bought 14 fruits in total, thus:

x + y = 14 [2]

Substituting [1] in [2]:

x + 2x + 2 = 14

Simplifying:

3x = 12

Dividing by 3:

x = 4

Substituting in [1]:

y = 2*4+2 = 10

Anna bought 4 bananas and 10 apples.

In rectangle FGHJ , the diagonals intersect at point M, FM = 3.2x , and JG = 40.

What is the value of x?

Enter your answer as a decimal in the box.

Answers

Answer:

[tex]x=6.25[/tex]

Step-by-step explanation:

FM=3.2x

JG=40

Generally the diagonal of a rectangle are equal to each other and diagonal bisects each other

Therefore

[tex]2FM=JG[/tex]

[tex]2*(3.2x)=40[/tex]

[tex]x=40/6.4[/tex]

[tex]x=6.25[/tex]

Answer:

x=6.25

Step-by-step explanation:

Solve
x2 + 2x – 15 = 0

Answers

x2+2x-15=0
2x+2x-15=0
4x-15=0
4x=15
so answer is x= 15/4

Answer:

x = - 5, x = 3

Step-by-step explanation:

Given

x² + 2x - 15 = 0

Consider the factors of the constant term (- 15) which sum to give the coefficient of the x- term (+ 2)

The factors are + 5 and - 3 , since

5 × - 3 = - 15 and 5 - 3 = + 2, so

x² + 2x - 15 = 0

(x + 5)(x - 3) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

x - 3 = 0 ⇒ x = 3

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