PLEASE HELP ME

Evaluate.

a−2b when a=−2 and b=4

Enter your answer in the box.

27.12 is the correct answer because 1.25 x 14.60 + 8.87 = 27.12

Answer: 110 divided by 46

Step-by-step explanation: You find the amount of tiles total (10x11) then you count the amount of colored tiles(46). You then divide 110 by 46

1=0

2=206

3=348

4= -16

5=56

6=14

7=12

8=5

Answer:

1=0

2=206

3=348

4= -16

5=56

6=14

7=12

8=5

Answer:

3 empty

Step-by-step explanation:

The supermarket has 15 aisles. 20% are empty, without any shoppers. How many empty aisles are there in the supermarket?

20% = 0.20

15* 0.20 = 3

Answer:

Step-by-step explanation:

15 aisles

20% empty

20/100 x 15

= 0.2 x 15

= 3 empty aisles

20% of 15 equals 3, so there are 3 empty aisles.

Answer: x=230 and y=75

Step-by-step explanation: A triangle is worth 360 degrees, which means when you add up all the angles it equals 360 degrees. So

Second patio:

(x-10),60+80 = 360

x-10+140 =360-140

x-10=220+10

x=230

First patio:

(x+10)+(y+5)+40 = 360

x+y+55=360

x+y=360-55

x+y=305- x(230) =75

y=75

Answer: x = 50, y = 75

The sum of angles of a triangle is equal to 180°

according to the question, (x+10) + (y+5) + 40 = 180 -- eq(1)

(x-10) + 60 + 80 = 180 -- eq(2)

(x - 10) + 140 = 180

x - 10 +140 = 180

x + 130 = 180 , x = 180 - 130

x = 50

put x value in eq(1)

50+10 + (y+5) + 40 = 180

60+(y+5)+40 = 180

y+5 +100 = 180

y + 105 = 180

y = 180 - 105

y = 75

So, x = 50 and y = 75.

To learn more about triangles,

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Answer:

ITS B)

Step-by-step explanation:

NP:D

Answer: 18

Step-by-step explanation:

x is the number we need to find

We have this equation :

2 ( 3x - 10 ) + 2 = 5x

= 6x - 20 + 2 = 5x

= -20 + 2 = 5x - 6x

= -18 = -1x

x = -18 ; 18

Hope it helps !

Answer: the original number is 18

Step-by-step explanation:

Answer:

4 1/3 is the same as 11 decreased by a number

Step-by-step explanation:

is the same as means =

decreased by means -

a number means x

so 4 1/3=11-x

Answer: 4 1/3 is the same as 11 decreased by a number

Step-by-step explanation:

Go down the line. 4 1/3 match up in the sentence and the equation. Is the same as is another way of saying equal to, so that works. Then, there are both 11s so that checks. Finally, decreased is the same as minus or subtract, and x is a number.

Answer:

30 to 100

Step-by-step explanation:

cus when y increases 30, x increases 100

Answer:

3

Steps

[tex]6\cdot \frac{3}{6}[/tex]

Cross multiply:

=18/6 = 3

Answer:

Step-by-step explanation:Answer:

Part a) You could build 5 copies of the flower pattern  

Part b) You would have 40 red trapezoids left over

Step-by-step explanation:

The complete question in the attached figure

Part a)

Let

x -----> the number of yellow hexagons

y ----> the number of red trapezoids

z ----> the number of green triangles

we know that

The flower pattern has the following ratios

Find out how many copies of this flower pattern could you build if you had 30 yellow hexagons,50 red trapezoids, and 60 green triangles

1) For x=30

Divide 30 by 6 (remember that in one pattern there are 6 yellow hexagons)

Verify the quantity of y needed and the quantity of z needed

Find the value of y

10 < 50 ----> is ok

Find the value of z

45<60 --->is ok

2) For y=50

Divide 50 by 2 (remember that in one pattern there are 2 red trapezoids)

Verify the quantity of x needed and the quantity of z needed

Find the value of x

150 > 30 ----> is not ok

3) For z=60

Divide 60 by 9 (remember that in one pattern there are 9 green triangles)

60/9=6.7 copies

Round down

6 copies -----> 6(9)=54 green triangles

Verify the quantity of x needed and the quantity of y needed

Find the value of x

36> 30 --->is not ok

therefore

You could build 5 copies of the flower pattern

Part b)

we know that

x:y:z=6:2:9

If you build 5 copies

1) You would use 5*6=30 yellow hexagons and you would have 0 hexagons left over

2) You would use 5*2=10 red trapezoids and you would have (50-10=40) trapezoids left over

3) You would use 5*9=45 green triangles and you would have (60-45=15) triangles left over

therefore

You would have 40 red trapezoids left over

Answer:

42.57

Step-by-step explanation:

First you need to add, and then simplify

Answer:

4 9/20

Step-by-step explanation:

We are subtracting since he gave them candy

Let's get the whole numbers out of the way

7 - 2 = 5

Now we subtract the fractions

1 / 4 - 4 / 5. We need to find the LCD (Lowest common denominator) of the fractions which is 20 because 4 x 5 = 20 and 5 x 4 = 20

Rewriting the denominators and numerators:

Since we multiply 4 by 5 to get 20 we'll have to do the same to the numerator (1)

1 x 5 = 5

Now we do the same to 4/5. 5 x 4 = 20 and 4 x 4 = 16.

New fractions

5/20 - 16/20 switch it 16 / 20 - 5 / 20 = 11/20  and we get the answer from subtracting the whole numbers by 11/20 (the answer we got from subtracting fractions) 5 - 11/20 = 4 9/20  

Answer:

D

Step-by-step explanation:

3x90=7200 ÷ by 3=90 that how you get it

Answer:

b 5,400 ÷ 60

Step-by-step explanation:

knoweth thay multiplication table.

what are the multiples of 9 ?

1×9 = 9

2×9 = 18

3×9 = 27

4×9 = 36

5×9 = 45

6×9 = 54

7×9 = 63

8×9 = 72

9×9 = 81

10×9 = 90

because multiples of 10 follow the same structure, we just add 0s.

so, the multiples of 90 are the same numbers as above, they just have a 0 at the end.

and if we also multiply the first numbers (1 ..10) by 10, the results get a second additional 0 at the end.

so, when we look at

3600

5400

6400

7200

we actually look at

36

54

64

72

36 = 4×9

so, 3600 has to be divided by 40 to result in 90.

but it is divided by 50. so, no.

54 = 6×9

so, 5400 has to be divided by 60 to result in 90.

and it is. so, yes ! 5400 ÷ 60 = 90

64 is no factor of 9 at all. so, no.

72 is 8×9

so, 7200 has to be divided by 80 to result in 90.

but it is divided by 90. so, no.

There are 166 numbers in between 288 and 122.

If that didn`t help and I need to add more, tell me and I will!

Answer: The answer is 166. Difference stands for subtraction (-).

I hope this helps.

Answer:

the difference between the 2 is 87

The correct equation that represents Y, the gas company’s monthly charge in dollars for using X hundred cubic feet of natural gas is:

Y = 0.6924X + 16

An equation contains one or more terms with variables connected by an equal sign.

Example:

2x + 4y = 9 is an equation.

2x = 8 is an equation.

We have,

The correct equation that represents Y, the gas company’s monthly charge in dollars for using X hundred cubic feet of natural gas is:

Y = 0.6924X + 16

Now,

Option A has the correct variable coefficients, but the constant term is negative, which is not correct as a monthly service fee is always positive.

Option B has the correct constant term but the variable coefficient is positive, which doesn't make sense as the company charges per hundred cubic feet of natural gas used.

Option C has a similar problem as option A.

Option D has incorrect variable and constant terms.

Therefore,

The correct equation is Y = 0.6924X + 16.

Learn more about equations here:

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Answer: here

Step-by-step explanation:

A) f(x) = 3(x + 2)(x - 5)2 B) f(x) = -3(x - 2)'(x + 5)3 C) f(x) = -2(x - 5)(x - 2)2 D) f(x) = (x + 1)(x - 1)(x + 3) 1000 2000 800! Equation: Equation: Equation: Equation: 11. Write a fourth-degree polynomial that has 3,-2 and 4 – 3i as roots and a leading coefficient of 1

Answer:

59 keenan

58 Jamie

45 sara

0.875 trey

0.833 maya

The descending numeric order of the laps was completed as 59, 58, 45, 0.875,0.833

Descending order is defined as when numbers (or other items) are arranged from the largest numbers to the least numbers, it is said to be in descending order.

Sara finished 45 laps, Jamie completed 58, Keenan completed 59, Maya completed 0.833, and Trey completed 0.875.

We have the given numbers as:

45, 58, 59, 0.833, 0.875

we have to determine the descending order of given numbers

Here the largest numbers to the least numbers, it is said to be in descending order.

⇒ 59  > 58  > 45  > 0.875 > 0.833

Hence, the descending numeric order of the laps completed:

Keenan completed 59 laps

Jamie completed 58 laps

Sara completed 45 laps

Trey completed 0.875 laps

Maya completed 0.833 laps

Learn more about the descending order here:

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Answer:

(-1,0)

Step-by-step explanation:

May it will be correct

Answer: X = 2

Step-by-step explanation:

Like the person before me said when you add up on both sides they both equal twelve when you count the x by two so 2 would be the answer that makes the most sense.

The final balance is 398.43

The total compound interest is 27.57

Answer:

y = 5/2x + 5

Step-by-step explanation:

To find the equation, you first need to find the slope. You can do this by subtracting the two y coordinates (the two last numbers) and using that as the numerator (the top number of the fraction), and then subtracting the two x coordinates (the two first numbers) and using that as the denominator (the bottom number of the fraction). You then have the fraction -5/-2, which can be changed to 5/2 because they are both negative numbers. That is your slope. You then need to find the y-intercept (where the line connects with the y-axis). To do this, you need to figure out what the y (the second number) is when the x (the first number) is 0. In this example, you can already see with the second set of coordinates that the y-intercept is 5 because the x is 0. When this is not easily shown, you can figure out the y-intercept with a table. Sorry if I made it sound too complicated :)

For two cups of sugar, you need 1 cup of lemon juice

For 10 cups of sugar, 5 cups

For 5 cups of sugar, 2 and a half cups.

Hope this helps

Answer:

B I THINK

Step-by-step explanation:

Step-by-step explanation:

you have to use this equation

A=P(1+ın)

A=Total amount

P=Money invested or borrowed

ı=interest [0.4÷100=0.004]

n=Number of years

then substitute and calculate

Answer:

4/18

6/27

8/36

10/45

12/54

14/63

16/72

18/90

Answer:

(-10,4)

Step-by-step explanation:

The red dot is (-7,4).

Answer:

  9641 + 9641 = 19282

Step-by-step explanation:

You want to assign a different digit to each of the letters H, A, L, T, E, R such that ...

  HALT + HALT = THERE

The T in the most significant digit of the sum must be T = 1, because a carry from the sum of two digits cannot exceed 1. That means E = 2. In order for H+H = TH, we must have ...

  H + H + 1 = 10 + H

  H = 9

In order for there to be a carry into the 4th column (from the right), the value of A must be 5 more than the value of T:

  A = 6

Since E in the third sum digit is even, there can be no carry from the sum L +L = R. This leaves R an even digit not 0, 2, or 6. It cannot be 4, because that would require L=2, but we already have E=2. This leaves R = 8 and L = 4.

The sum is ...

  HALT +HALT = THERE   ⇒   9641 +9641 = 19282

The value of THERE is 19282.