Please help me with trigonometry I’m being timed and need all the help I can get

Answer:

Step-by-step explanation:

Let x be last year's salary.

100%x + 8/100 x = 40120

100x/(100) + 8/100x  = 40120

108x/100 = 40120

1.08x = 40120

x = 40120/1.08

x = 37148.14

Now if you take 8% of  37148.14        =    2971.85

And add it to                                            37148.14

You should get the current earning      40119.99  

You are within a penny of the same answer. This question will not work out evenly because 1.08 does not divide evenly into 40120.

Answer:

-2

Step-by-step explanation:

You can see that when x goes up by 1, y goes down by 2. This means the rate of change is -2

Answer:

The rate of change is -2

Step-by-step explanation:

Take any two points from the graph. (0,-4) and (-2,0). Plug them into the equation y2-y1/x2-x1. In this case the equation would be 0--4/-2-0. Simplify this and get 0+4/-2-0. Simplify again and get 4/-2 which is -2

Therefore the rate of change is -2

Hope this helps

Answer:

320,000

Step-by-step explanation:

6.4cm on the map would be 320,000 (ft I'm assuming) and I found that by multiplying 50,000x6.4.

Answer:

x=16

Step-by-step explanation:

11×9=99, so variaton is 9x=y. that means y=x/9

144/9=16

Look at the denominator. Diego did not multiply 4 times 3. He simply carried 4 into the product.

Answer:

√41

Step-by-step explanation:

Here we want to find the value of AC

A = (-4,0)

C = (1,4)

The distance formula is;

D = √(y2-y1)^2 + (x2-x1)^2

D = √(4-0)^2 + (1-(-4)^2

D = √4^2 + 5^2

D = √(16+25)

D = √41

Answer:

Sham Rock is searching for a four-leaf clover in a field. He finds 2 four-leaf clovers during the first 12 minutes of his search. If Sham spends a total of 180 minutes searching in the field, predict the number of four-leaf clovers he will find.

Step-by-step explanation:

Answer:

Tax = $2.00, cost of item = $52.00

Step-by-step explanation:

Multiply 50(.04) = $2.00, then add $50 + $2 = $52

Answer:

Sales tax 2.00, Total cost=52.00

Step-by-step explanation:

50 x .04=2 sales tax

50+2=52 total price

Answer:

x=2

y=0

Step-by-step explanation:

8x - 4y = 16

solve for x

8x = 4y + 16

divide 8 by all terms

x = 2 + [tex]\frac{y}{2}[/tex]

Insert x in second equation

8(2+y/2)+4y=16

solve

y=0

x=2

Answer:

hkññaaqedx jurx jkñlnbgl dpsnish mija

Answer:

124.375% increase

Step-by-step explanation:

From 1980 to 2010 there was a 124.375% increase

Answer: 5 m

Step-by-step explanation:  

Double the area to get 35. then think what two number multiply to get 35 that are also 2 apart.  7 x 5.  So 7 is the height and 5 is the base.  

Check answer:  A = 1/2xbxh

                               A = 1/2 x 7 x 5

                               A =  1/2 x 35

                               A = 17.5 sq m

Answer:

it's the first one

Step-by-step explanation:

Answer:

Cream = 32 cups

Milk = 48 cups

Step-by-step explanation:

Here, we want to share the ratio

The ratio here is 2:3

cream: milk

For cream;

2/5 * 80 = 32 cups

For milk;

3/5 * 80 = 48 cups

Answer:

The answer will be B x=36 and y=18

Step-by-step explanation:

Hope this Helped

Answer:

450 more yards

Step-by-step explanation:

Answer:

4530

Step-by-step explanation:

He skated around 3 times: 250(3)= 750

He's skated 750 yards so far.

There are 1760 yards in a mile

three mies= 5280

5280-750= 4530

Answer:

A. the slope is negative

Step-by-step explanation:

the slope is going down so it is negative

Answer:

A

Hope this helps if not then let me know!

Answer:

Step-by-step explanation:

Verify the ratio is same for each pair of corresponding sides:

Confirmed the three sides have same ratio

Correct option is A

Answer:

1

Step-by-step explanation:

1/2(12.1/4)-1/2

1/2(3)-1/2

1.5-0.5

1

Answer:

1

Step-by-step explanation:

did it on time4learning

Answer:

Step-by-step explanation:

Slope = rise/ run, or y∨2 - y∨1/ x∨2 - x∨1

5-10/ 1-2 =

-5/-1 = 5

The slope of the line drawn from the given data is 5.

A line's steepness can be determined by looking at its slope. The slope is calculated mathematically as "rise over run" (change in y divided by change in x).

Given this, Latrell fills his bottle with one ounce of water in five seconds. The amount of water Latrell puts in his water bottle (in ounces), x, and the time (in seconds) it takes to get that amount, y, are proportionate. This connection can be graphed. Since, the line will pass from the origin(0, 0).

Since given y is the directly proportional equation of the line will be;

y = mx

where m is the slope of the line

Also given, filling the bottle at every ounce requires 5 seconds of time. hence, the line will go from (1, 5)

Thus, the value of the m will be;

5 = m *1

m =5

Therefore, the slope of the line is 5.

Learn more about the slope here:

https://brainly.com/question/14548961

#SPJ2

Answer:

$67.20

Step-by-step explanation:

84 x .05

4.2

84 x .25

21

84-21

63

63 + 4.2

67.20

Answer: x is doubled.

Step-by-step explanation:

A proportional relationship between x and y is written as:

y = k*x

where k is called the constant of proportionality.

In this case, we know that we have a proportional relationship between z and x^3

Then:

z = k*x^3

What will happen to x when z is 8 times greater?

Let's rewrite this equation for two new quantities, z' and x'

z' = k*(x')^3

Now we need to replace z' by 8*z, then:

8*z =  k*(x')^3

We want to find a relationship between x' and x.

And by the first relationship, we know that:

z =  k*x^3

Then we can replace this in the equation "8*z =  k*(x')^3" to get:

8*(k*x^3) =  k*(x')^3

8*k*x^3 = k*(x')^3

Now we can divide both sides by k, so we get:

8*x^3 = (x')^3

Now we can apply the cubic root to both sides, to get:

∛(8*x^3) = ∛(x')^3

∛(8)*x = x'

2*x = x'

Then when we increase the value of z 8 times, the value of x will be doubled.

Answer:

ans 3

Step-by-step explanation:

Circumference is distance round a figure. When diameter is trippled, the circumference will also tripple.

Here is a proof

Take the moon to have circular shape and has diameter d

Circumference is given by C=πd

When the new diameter is trippled, diameter will be 3d and the new circumference will be

C=π3d=3πd

Evidently, the new circumference is three times the original circumference. Therefore, for this case, the new circumference will be 3 times the original

Answer:

The answer is [tex] \frac{49}{40} .[/tex]

Answer:

1.225

Step-by-step explanation:

i just used a calculator

Answer: y=0

Step-by-step explanation:

Mid point of line segment joining (a,b) and (p,q) = [tex](\dfrac{a+p}{2},\dfrac{b+q}{2})[/tex]

Mid point of line segment joining the points (-1,3) and (5,-3) = [tex](\dfrac{-1+5}{2},\dfrac{3-3}{2})[/tex]

[tex]=(\dfrac42,\dfrac02)\\= (2,0)[/tex]

Equation of line passing through (a,b) and (c,d) is given by :-

[tex](y-b)=\dfrac{d-b}{c-a}(x-a)[/tex]

Equation of line passing through (2,0) and (0,0) will be:

[tex](y-0)=\dfrac{0-0}{2-0}(x-0)\\\\\\ y=0[/tex]

Answer:

c

Step-by-step explanation:

c, because if you're doing a percentage of kids who bring lunches you need to do every grade level and every student to get a proper percentage

Answer:

40 for both of the long sides.

Step-by-step explanation:

Hope this helps! <3

Answer: Each long side is 20

Step-by-step explanation: If the short side were 16 then you would subtract 32 from 72. This would give you 40 you would divide this by two because you have two sides. So each long side is 20.

Answer:

The answer is 4186. 67

Step-by-step explanation:

[tex]v = \frac{4}{3} \times 3.14 \times {(10)}^{3} \\ v = 4186.66666 \\ v = 4186.67[/tex]

I am a math teacher If you need any explanation you can communicate with me on Whats on this number 01557831028

Answer:

first point will be at (0, 6)

then from there you want to go down 1 and to the right 3 times also go up 1 and to the left 3 times (do that until you fill up your graph)