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Answers

Answer 1

Answer:

Exact rule : 77

Approximate rule : 80

Step-by-step explanation:


Related Questions

How could you find the product 19. 14 in your head?
I need the answer ASAP

Answers

Answer:

like this do 4x9 4x1 then move down and add a zero then do 1x9 1x1 and then add 76 +190 and get 266 all in your head.

Step-by-step explanation:

 19

x 14

_______

   76

+ 190

______

266

Which phrase best describes the translation from the graph y = 2x^2 to the graph of y= 2x^2 + 5?
O5 units up
O5 units down
O 5units right
O5 units left

Answers

Answer:

05 units up and down

Step-by-step explanation:

hope this hepled luv!

The phrase that best describes the translation from the graph y = 2x^2 to the graph of y = 2x^2 + 5 is "5 units up".

What is transformation on the graphs?

Let the functions f(x) and g(x) be two real functions.

And g (x) = f (x) + k, where k is real numbers.

The function can be sketched by shifting f (x), k units vertically.

The direction of shift can be found by the value of k:

if k > 0, the base graph shifts k units up, and

if k < 0, the base graph shifts k units down.

Adding a constant term to a function vertically shifts its graph up or down, depending on the sign of the constant.

In this case, the constant term is positive (+5), which means that the graph of y = 2x² + 5 is shifted upward by 5 units compared to the graph of y = 2x².

Therefore, the correct phrase is "5 units up".

To learn more about the transformation on the graphs;

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Which is the graph of f(x) = RootIndex 3 StartRoot x EndRoot – 4?

Answers

Answer:

please mark me brainliest and follow me my friend.

Lillian and Jacob work at a dry cleaners ironing shirts. Lillian can iron 25 shirts per hour, and Jacob can iron 20 shirts per hour. Lillian and Jacob worked a combined 13 hours and ironed 295 shirts. Determine the number of hours Lillian worked and the number of hours Jacob worked.

Answers

Answer:

x=7 y=6

Step-by-step explanation:

x =  7      hous worked by Lillian

y  = 6      hours worked by Jacob

Step-by-step explanation:

Let call  " x  "  and  "  y  "  numbers of hours Lillian and Jacob worked respectively, then according to problem statement we have:

They both combined a total of 13 hours, therefore

x  +  y  =  13    ⇒   y  = 13  -  x

And the number of ironed shirts was  295  then we have

25*x  +  20*y  =  295

We need to solve that system of equations for   x     and    y   then

25*x   +  20 * ( 13 - x ) = 295

25*x   +  260  -  20*x   =  295

5*x  =  295  -  260

5*x  =  35

x  = 35/5

x  =  7

And  y  =  13  -  x    ⇒   y  =  13 - 7

y  =  6

last year raina biked 421 miles this year she biked k miles using k write an expression for the total number of miles she biked​

Answers

Answer:

i dont know sadly im trying to figure his out too..

Step-by-step explanation: hi

Please answer correctly will mark brainliest and follow thank you ;)

Answers

Answer:

76m

Step-by-step explanation:

Solve perimeter of both rectangles and add

Answer:

238 meters

Step-by-step explanation:

Perimeter? The equation is P = 2 ( l * w )

So lets cut this irregular shape into 2 rectangles.

I added a picture to show you.

So on rectangle is 7 by 11 and the other is 7 by 6.

So lets find the perimeter of the larger rectangle first.

P = 2 ( 11 * 7 )

P = 2 ( 77 )

P = 154

Now the smaller one

P = 2 ( 7 * 6 )

P = 2 ( 42 )

P = 84

Now to find the full perimeter, add both perimeters together

P = 154 + 84

P = 238

238 meters

Don't be afraid to reach out with further questions! Hope this helps!

5<-2t-3 Need steps and the answer

Answers

Answer:

t<−4

Step-by-step explanation:

switch sides

-2t-3>5

then add three to both sides:

-2t-3+3>5+3

simplify:

-2t>8

then multiply both sides -1 (reverse the inequality)

(-2t)(-1) <8 (-1\)

simplify:

2t<-8

Divide both sides by 2:

2t/2 <-8/2

Answer:&&&&&&

SOrry dont know buddy

Step-by-step explanation:

Please answer quickly, thanks. :) 35 points and if you answer there are more so you can get 250 points

Answers

Answer:

11 cars/day

Step-by-step explanation:

What we know:

After two days, Car-Mart has 43 cars left. After 3 days, it is 32. After five, 10 cars.

Saying that, subtract 32 from 43 to get your rate of 11 cars sold a day.

I can further deduce they started with 76 cars. On day 1 they had 65 cars. On day 4 they had 21 cars. They will have sold all of their cars after day 6.

SOLVE ASAP:
mass of 42.5 and a volume of 5.4 cm3 what is its density

Answers

I think it is..................

Answer:

7,870,370

give me brainliest

CAN SOMEONE PLEASE HELP ME WITH THIS please please help me with this please please

Answers

Answer:

Congruent

3x= 360 I believe if this is the outside of the triangle?

x= 120

Step-by-step explanation:

brainliest

Answer:

1. Congruent

2. 3x= 360

3. x= 120

Step-by-step explanation:

In the triangle below, what is the length of the hypotenuse?

A. 3√3
B. 6
C. 3√2
D. √3

Answers

Answer:

B. 6

Step-by-step explanation:

I'd like to begin by apologizing for the late reply.

PROCESS:

1) Begin by analyzing the triangle

2) Notice how you can take the sin of 30 to find the hypotenuse

3) sin30= 3/x

4) If you don't see how I did that, a fun trig word play for functions, is

S O/H

C A/H

T O/A

where

S= Sine

C= Cosine

T= Tangent

O= Opposite

H= Hypotenuse

A= Adjacent

so side opposite of 30 is side 3, and the hypotenuse is x.

5) sin30= 3/x = 6

6) Your answer, hypotenuse is 6

BONUS: If you want to find the base length, use Pythagorean theorem.

c=√a2+b2

b=√c2-a2= √6^2 - 3^2= 5.19 or 5.2

Jessica made $95 for 5 hours of work.
At the same rate, how much would she make for 13 hours of work?

Answers

Answer:

$247

Step-by-step explanation:

95/5= 19 to find rate per unit which means,

Jessica makes $19 dollars a hour.

19 x 13= $247

So Jessica made $247 in 13 hours of work.

Answer:

she would make $247

Step-by-step explanation:

Hi. Please i need help with this . No jokes . I need help with (vii) and (ix)​

Answers

9514 1404 393

Answer:

  (vii)  25/4

  (ix)  -61/6

Step-by-step explanation:

(vii) Once again, we remind you that for ax²+bx+c=0, ...

  α+β = -b/a = -(-7/2) = 7/2 = 3.5

  αβ = c/a = -3/2 = -1.5

Then the desired expression is ...

  α/(β+1) +β/(α+1) = (α² +α +β² +β)/((α+1)(β+1))

  = ((α+β)² -2αβ +(α+β))/(αβ +(α+β) +1)

  = (3.5² -2(-1.5) +3.5)/(-1.5 +3.5 +1) = 18.75/3 = 6.25 = 25/4

__

(ix) α/β +β/α = (α²+β²)/(αβ)

  = ((α+β)² -2αβ)/(αβ) = (3.5² -2(-1.5))/-1.5 = 15.25/-1.5 = -61/6

A store sells 4 T-shirts for $38.64. What is the unit cost per T-shirt?

Answers

the cost per shirt is $9.66 because you divide 38.64 by 4.

Answer:

9.66

Step-by-step explanation:

38.64/4

9.66

What is the value of k?
k=
m
Done
Intro
DOOODDOOO

Answers

9514 1404 393

Answer:

  k = 2

Step-by-step explanation:

All of the triangles are similar, so the ratio of short side to long side is the same for all.

  4/8 = k/4

  k = 16/8 = 2 . . . . multiply by 4 and simplify

The value of k is 2.

_____

Additional comment

By similar reasoning or by the Pythagorean theorem, ...

  l = √20 = 2√5

  m = √80 = 4√5

Help ASAP anyone :)!!!??!

Answers

Answer:j

Step-by-step explanation:

D represents the graph. I choose this answer because we know the y means the b in the formula of y=mx+b. b=2 and the m or slope equal 4/3 because it is rising 4 spaces and run 3. Used the formula rise/run.
I hope this helps :)

The graph of y=2x^2 is shifted 8 units down on a coordinate grid.
What are the roots of the equation that correspond to the new graph?

A. x=-2 and =2
B. x=-2 and x=4
C. x=-4 and x=2
D. x=-4 and x=4​

Answers

Answer

x = 2 or x = -2

Option A

Step-by-step explanation:

By shifting it down(we are going 8 units below the origin on the y-axis), we have the equation as;

y = 2x^2 - 8

To find the root, we equate zero

0 = 2x^2 - 8

2x^2 = 8

x^2 = 8/2

x^2 = 4

x = square root of 4

x = +2 or -2

Answer: is A x=y=-2 and x=2

Step-by-step explanation:

The scale on a map is 1 cm equals 10 miles. Find the length on the map of 300 miles, 150 miles, 60 miles, and 170 miles. List your answers in numerical order.

Answers

Answer:

30 cm = 300 miles

15 cm = 150 miles

6 cm = 60 miles

17 cm = 170 miles

The length of maps of 300miles, 150 miles,170mile and  60 miles are 30cm ,15cm, 17cm and 6cm respectively.

What is unit conversion?

A method of converting from one unit to another.

According to the given question we have

1cm = 10miles

⇒ 1mile = [tex]\frac{1}{10} cm[/tex] = 0.1cm

Therefore, the length on map of

300 miles = 300 × 0.1 = 30cm150 miles = 150 × 0.1 = 15cm170 miles = 170 × 0.1 = 17cm 60 miles  = 60 × 0.1 = 6cm

Learn more about unit conversion here:

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Pleaseeeee helpppp !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answers

Answer:

Square root of 56 so in simplest radical form 4 root 4

Step-by-step explanation:

square root of 56
hope this helped!

Write 12 1/ 3 as an improper fraction.

Answers

Answer:

37/3

Step-by-step explanation:

we start with 12 1/3 multiply the whole number-12 with the denominator-3 that make 36 add the numerator-1 this makes 37, this is your new numerator

You are selling items at the football game to raise money for the school's athletic teams. You
sell pizza for $5 per slice and drinks for $3 per cup. Your sales totaled $1020. If you sold 84
slices of pizza, how many drinks did you sell?
Need help asapp

Answers

Answer:

200 cups of drinks sold

Answer:

200 cups

Step-by-step explanation:

What is the location of the second endpoint if the first endpoint is at (5,2) and
the midpoint is at (-5,5)?

Answers

The second midpoint is (-15,8)

its not math but I still need helppppp​

Answers

Answer:

T

Step-by-step explanation:

Which of the following statements about air masses is true?
A.
Air masses maintain the same moisture and temperature as they move over new areas.
B.
Air masses are areas of condensed water vapor, which are also known as clouds.
C.
Air masses are responsible for creating holes in the ozone layer.
D.
Air masses are created by patterns of heating and cooling of the Earth's surface.

Answers

Air masses are created by patterns of heating and cooling of the Earth's surface. Therefore, option D is the correct answer.

Air masses are large bodies of air that move over the Earth's surface. They are created when large amounts of air are heated and cooled in different areas of the Earth. As the air masses move, they maintain the same moisture, temperature, and other characteristics they had when they originated. Air masses are responsible for many of the weather patterns we experience on Earth.

Therefore, option D is the correct answer.

Learn more about the air masses here:

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A 5-foot piece of string costs $4.20. What is the price per inch?

Answers

Answer:

$0.035

Step-by-step explanation:

Answer: 0.84 cents per inch

Step-by-step explanation: Just do division to get your answer:)

Given the equation y = 2x + 4, what would the value of y be when x = 1?
5
7
1
6

Answers

Answer:

6

Step-by-step explanation:

y=2x+4

y=2(1)+4

y=2+4

y=6

help meeeeeeeeeeeeee pleasee

Answers

Answer:

obtuse triangle because the angle is larger than 90 degrees.

Step-by-step explanation:

Answer:

obtuse

Step-by-step explanation:

An acid is prepared by mixing 400 mL of water and 100 mL of pure sulfuric acid. What is the
percentage by volume composition of sulfuric acid?
A. 15 %
B. 20%
C.25%
D.30%​

Answers

C. 25
——-
Divide 400/100=4
——-
Than divide 4/100
—-

will make you BRAINLIEST please help me please​

Answers

Answer:

You have to substitute the x-values into the function :

[tex]f(x) = {11}^{x} [/tex]

[tex]f( - 2) = {11}^{ - 2} = \frac{1}{121} [/tex]

[tex]f( - 1) = {11}^{ - 1} = \frac{1}{11} [/tex]

[tex]f(0) = {11}^{0} = 1[/tex]

[tex]f(1) = {11}^{1} = 11[/tex]

[tex]f(2) = {11}^{2} = 121[/tex]

which expression is undefined?

A.0 ÷ 5

B.(3 - 3)
_____
7


C. 8
_____
(-2+2)


D. (0 - 12)
_____
-6​

Answers

Answer: C

Work: So, after you simplify that equation, it's 8/0. You Cannot divide zero like that. You can divide 0/8, but you can't with 8/0. I hope this wasn't to confusing, and Happy Holidays! :)

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