I need help with this question please

Answer:

b

Step-by-step explanation:

just did the test like 20 mins ago good look

X = 13 is length of  Hypotenuse by use of  Pythagoras's Theorem.

What is the Pythagorean theorem ?

In this triangle use  Pythagoras theorem

 Let Hypotenuse is x .

     x²  = 12² + 5²

     x²  = 144 + 25

     x = √169  

      x = 13

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Answer:

B

Step-by-step explanation:

it cant be a or c because if it is a negative then there is no need to put a + sign or add another - sign

Answer:

A

Step-by-step explanation:

Let's get the answer.

Suppose the question was the distance between 12 and 1. You would write it as 12 - 1 = 11. So you have to pick an answer that looks like this example.

B: is actually 11  12 -1 = 11

C: is 12 +(-1) = 12 - 1 which also gives 11

D: -1 -12 = -13. You are not really really with a distance here. You are combining 2 negative numbers.

So the answer is A.

-12 - (-1) = -12 + 1 = - 11

Answer:

-4/5 this is because 5 can't be simplified and 4/5 is like 8 out 10 but simpler and has a negative.

After the exchange from the U.S dollar to British pounds, Bethany received £0.91 for each U.S. dollar.

An exchange rate is a rate or a price of one country's currency in terms of another.

The exchange rate describes how much each currency can be obtained when converting one currency to another.

In this instance, the exchange rate between the U.S. dollar and the British pound is $1 = £0.91.

Total US dollars with Bethany = $635

The total British pounds received by Bethany after the exchange = £580

Exchange rate per U.S. dollar = £0.91 (£580/$635)

Exchange rate per British pound = $1.095 ($635/£580)

Thus, Bethany received £0.91 for each U.S. dollar.

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Based on the fact that Mr. and Mrs. Jones are filling their federal tax return jointly, their federal income tax due is $11,737

There was no table included so I will use the federal income tax rates for those filing in April 2022.

For a married couple filing jointly like Mr. and Mrs. Jones with a combined $92,400 taxable income, the federal income tax due is:

= 9,328 + 22% of income over $81,050

= 9,328 + (22% x (92,000 - 81,050))

=  9,328 + (22% x 10,950))

= 9,328 + 2,409

= $11,737

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Answer:

x+20<2x

Step-by-step explanation:

20 more than a number implies that twenty must be added to the variable. Then, because it says less than you add a less than symbol. Finally, twice the same number tells you to use x again but since it’s being multiplied by 2, typing 2x makes it easier to understand.

Answer:

y=231

Step-by-step explanation:

to solve for y simplify both sides of the equation by isolating the variable

Based on the gross pay to the employees of Family Flowers, the employer's share of total Social Security and Medicare taxes for the first quarter is $11,396.97

First, find the gross pay for all 17 people in the first quarter:

= ( (660 x 14) + (740 x 3)) x 12 weeks in quarter

= (9,240 + 2,220) x 12

= $137,520

The social security tax is paid up to $128,400:

= 6.2% x 128,400

= $7,960.80

The Medicare tax is:

= 1.45% x 137,520

= $1,994.04

The total Social Security and Medicare taxes:

= 7,960.80 + 1,994.04

= $11,396.97

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Answer:

Step-by-step explanation:

Factor 15^5:      5^5 x 3^3

[tex]\frac{5^5*3^5}{-5^-6} = 5^1^1\\ \\ \frac{5^1^1*3^5}{-1} =-5^1^1*3^5\\ \\ =-11865234375[/tex]

Either: -5^11(3^5) or -11865234375

(depending on how you're supposed to write it)

I think at least

If the trend had continued unchecked, 3,774,873,600 people would have died from AIDS in 2004

The equation of the function is given as

P(n) = 1800(2.0)^n

Where n represents the number of years since 1983

There are 21 years from 1983 to 2004

This is calculated as

n = 2004  - 1983

n = 21

Substitute 21 for n in the equation P(n) = 1800(2.0)^n

So, we have

P(21) = 1800(2.0)^21

Evaluate

P(21) = 3774873600

Hence, if the trend had continued unchecked, 3,774,873,600 people would have died from AIDS in 2004

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Answer:

3.33333

Step-by-step explanation:

It is a Linear

Answer:

the quadratic formula is

-b +  {the square root of} b^2 - 4ac   / 2a

    -    

or just

(-b±√(b²-4ac))/(2a)

Step-by-step explanation:

yh

The graph of y = x² -2 is a parabola

To find the seven ordered pairs of the equation y = x²-2, we have to find out the value of y by assuming the different values of x that are 0,1,-1,2,-2,3 and -3which gives us seven different coordinates

Let put x=0, y= -2

Let put x=1, y= -1

Let put x=-1, y= -1

Let put x=2, y= 2

Let put x=-2, y= 2

Let put x=3, y= 7

Let put x=-3, y= -7

If we plot all the coordinates for the value of x and y (0,-2),(1,-1),(-1,1),(2,2),(-2,2)(3,-7),(-3,7)  and connect all the dots we will get a upward facing parabola

Hence, The graph of y = x² -2 is a parabola

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In right-angled triangle (ΔABC), the value of cos(B) is equal to 12/13.

A right angle can be defined as a type of angle that is formed by the intersection of two (2) straight lines at 90 degrees. This ultimately implies that, a right angle has a measure of 90 degrees.

In order to determine the magnitude of cos θ, we would apply the law of cosine because the given side lengths represent the adjacent side and hypotenuse of a right-angled triangle.

cos(θ) = Adj/Hyp

Where:

Substituting the parameters into the formula, we have;

cos(B) = 12/13

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Answer:

C

Step-by-step explanation:

First you need to convert the fractions into decimal form.

Joe-12 1/2 becomes 12.5

Ellen-12.09

Steve-12.4

Patty-12.8

Now put these in order from fastest to slowest

12.09,12.4,12.5,12.8

Answer:

12.8

12 1/2

12 2/5

12.09

is least from greatest

Answer:64

Step-by-step explanation:16 × 4

The scale factor will be equal to 6.7. The correct option is B.

The scale factor is defined as the proportion of the new image's size to that of the previous image.

Dilation is the process of increasing the size of an object while maintaining its shape. Depending on the scale factor, the object's size can be increased or decreased.

Given that a plant is 7 cm tall on June 1. On September 1, the plant is 46.9 cm tall.

The scale factor will be calculated as:-

Scale factor = 46.9 / 7

Scale factor = 6.7

Therefore, the scale factor will be equal to 6.7. The correct option is B.

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Answer:

No solution

Step-by-step explanation:

Absolute values may not be less than 0.

[tex]\left|16-4t\right|+5-5=0-5\\\left|16-4t\right|=-5\\\mathrm{if~x~ > ~0,true}\\\mathrm{if~x~ < ~0,false}\\\mathrm{x < 0}\\\mathrm{No~Solution}[/tex]

x is the result of the equation.

Answer:

  2

Step-by-step explanation:

Given a graph of an original object and its image after dilation, you want to know the scale factor of the dilation.

The scale factor multiplies each of the coordinates.

The original coordinates of point A are (0, 1).

The coordinates of dilated point A' are (0, 2).

The factor that multiplies 1 to make it be 2 is 2/1 = 2.

The dilation scale factor is 2.

__

Additional comment

As a check, you can consider another point:

  C(4, 3) × 2 = C'(8, 6) . . . . matches the point on the graph

Answer:

its 300000000

Step-by-step explanation:

the 5th dimensions negate your father out of existence

The most cost-effective choice for buying the item is buying it at a 10 percent discount without sales tax.

A percent discount on a product means that the price of the product is reduced by that percentage.

The full question is that, You want to buy an item that costs $100. Which of these is the most cost-effective choice for buying the item?.

a. using a paid membership card to buy it at a 10 percent discount.

b. buying it online at a 10 percent discount with a $5 shipping charge.

c. buying it at a 10 percent discount without sales tax.

we will calculate the final price in each case to analyze the most cost-effective choice,

In in first case, when using a paid membership card to buy it at a 10 percent discount. we get,

10% of $100 = 10/100×100 = $10

cost = $100 - $10 = $90

On top of this $90 there is the charges of the membership card, therefore the price increases. ( price in first case)

In second case, when buying it online at a 10 percent discount with a $5 shipping charge.

100%-10% = 90%

90% of 100 = $90

Cost: $90 + $5 = $95 ( price in second case)

In third case, when buying it at a 10 percent discount without sales tax.

100% - 10% = 90%

90/100 × 100 = $90. ( price in third case which is minimum as compared to rest of the cases)

Therefore, buying the item at a 10 percent discount without sales tax is the most cost effective method since there is no other cost involved.

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Using the conversion of fraction to decimal, the list that shows these lengths in order greatest to least is:

[tex]\frac{\sqrt{3}}{11}, \frac{\pi}{24}, \frac{3}{25}, \frac{9}{100}[/tex]

A fraction is converted to decimal dividing the numerator by the denominator.

Hence the numbers in this problem are given as follows:

Hence, considering the conversions to decimal above, the list that shows these lengths in order greatest to least is:

[tex]\frac{\sqrt{3}}{11}, \frac{\pi}{24}, \frac{3}{25}, \frac{9}{100}[/tex]

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Answer: A≈20.37

Step-by-step explanation:

There's brainly

A=C2

4π=162

4·π≈20.37183

Answer:

Step-by-step explanation:

it is the steps to get to that certain step

some of the steps are out of order

I'm going to assign letters

the order is

A: 2x+5=19

B: 2x+5-5=19-5

C: 2x=14

D: 2x/2=14/2

E: x=7

A: given

B: we subtracted 5 from both sides so subtraction property of equality

C: subtract

D: divison property of equality (we divide both side by 2)

E: divide

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The area of the floor water puddle as a function of radius is 6860. The function notation is mgt∆x = (20 0.5t)g4∆t.

Function notation is a method for writing functions that are simple to read and understand. When we use function notation, the independent variable is typically x, and the dependent variable is F. (x).

Therefore,

The bucket moves upward at a rate of 40/10 = 4 meters per minute. If time is measured in minutes, the bucket is x = 4t meters above the ground at time t. Water is dripping out at a rate of 5/10 kg/minute. Because there is initially 20 kg of water in the bucket, there is m = 20 0.5t kg remaining at time t.

Consider the interval of time between t and t + t. During this time, the bucket moves ∆x = 4∆t meters. So the work performed during this interval is

mgt∆x = (20 0.5t)g4∆t,

The bucket is x = 4t meters

and the integral for the total work performed is

[tex]4 g \int_0^{10}(20-0.5 \cdot t) d t \\[/tex]

= [tex]4 g\left(20 t-\left.0.25 t^2\right|_0 ^{10}=700 g=700 \cdot(9.8)=6860\right. \text { joules. }[/tex]

Hence, The area of the floor water puddle as a function of radius is 6860.

The complete question is:

A bucket of water of mass 20 kg is pulled at constant velocity up to a platform 40 meters above the ground. This takes ten minutes during which time 5 kg of water drips out at a steady rate through a hole in the bottom of the bucket. Find the work needed to raise the bucket to the platform

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Answer:

The answer is D.

Find the scale of each dimension:

B: 6/3 = 2 and 10/5 = 2, both dimensions have the same scale factor of 2.

C: 15/3 = 5 and 25/5 = 5, both dimensions have the same scale factor of 5.

D: 60/3 = 20 and 90/5 = 18, each dimension has a different scale factor so is not an enlargement.

hope it helped:)!

Answer:  answer a is wrong answer b is right answer c is wrong answer d is  right

Step-by-step explanation:

d and b are right why? bc b saids this; 6 ft for b;  10 ft d; 60 ft and 90 ft

The electrical device which shows an example of the conversion of light energy into electrical energy is: D. solar panels and solar cells.

A PV panel system is an abbreviation for photovoltaic (PV) panel system and it is also referred to as a photovoltaic module, solar cell panel, or solar electric panel.

In Electrical engineering, the photovoltaic (PV) panel system are typically designed and developed to convert the light energy received from the Sun into electrical energy, which can be used specific electrical devices and home appliances.

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