how many one-digit integers are there

Answers

Answer 1
the even ones are 2, 4, 6, 8. There are 4 of them. 2-digit integers: 10, 12, ..., 98 (45 of these), but in 4 of them (22, 44, 66, 88) the two digits are the same. So there are 45 − 4 = 41 even 2-digit integers with distinct digits.

Related Questions

Are linear inequality graphs different from linear equations graphs

Answers

Answer:

The only difference between the two equations is that, a linear equation gives a line graph whereas a linear inequality shows the area of the coordinate plane that satisfies the inequality. A linear inequality graph usually uses a borderline to divide the coordinate plane into two regions.

Step-by-step explanation:

Your profile picture lol

Answer:

Trust me his/her answer are correct.....

Pls help me due soon!!!

Answers

Answer:linear

Step-by-step explanation:cuz why not -________-

y> 3x-2
Graph the solution

Answers

Answer:

4 es esa ????k nose

Marshallhasalreadyjarred1literofjamandwilljaranadditional7litersofjameveryday.HowmanydaysdoesMarshallneedtospendmakingjamifhewantstojar22litersofjaminall?

Answers

Answer:

thanks for the points, don't forget to drink water

explanation:

give me crown please

Help me please ill pay u

Answers

Answer:

x= -1  

y= -1

Step-by-step explanation:

x is -2 y is -3/8
i put it into photomath

Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 11)(0,11) and (3, 3773)(3,3773).

Answers

Answer:

y = 11(7)^x

Step-by-step explanation:

The exponent equation that goes through points (0, 11) and (3, 3773) will be y = 11 · (7)ˣ.

What is an exponent?

Let a be the initial value and x be the power of the exponent function and b be the increasing factor.

The exponent is given as

y = a(b)ˣ

The equation passes through (0, 11) and (3, 3773). Then the equation will be given as,

ab⁰ = 11

a = 11

Then the other equation is given as,

ab³ = 3773

11 b³ = 3773

b³ = 343

b³ = 7³

b = 7

Then the exponent equation that goes through points (0, 11) and (3, 3773) will be y = 11 · (7)ˣ.

More about the exponent link is given below.

https://brainly.com/question/5497425

#SPJ2

Simplify (3v^5+8v^3−10v^2 )−(−12v^5 +4v^3+14v^2 ) . Write answer in standard form.
please help

Answers

Answer

15v^5+4v^3-24v^2

Subtract – 2.2 + 3x – 9 from 8x2 + 10x – 10.


Answers

Answer:

=3x−11

2(4x2+5x−5)

Step-by-step explanation:

both subtracted: −8x2−7x−1

-3x + -15 = 12
x = __

Answers

Answer:

x=9

Step-by-step explanation:

alright so first we eliminate the -15 and to do that we add 15 on both sides:

-3x-15+15=12+15

-3x=27

Now we divide 3 on both sides to make the equation equal to x

[tex] \frac{-3x}{-3} = \frac{27}{-3} [/tex]

x=9

And that's your answer, you're welcome :)

2. Y - 3 = X + 2
2X - 1 = Y
Show your work

Answers

Y - 3 = X + 2 ...............….... (1)
2X - 1 = Y ........................... (2)

From (2),
2X - 1 = Y

Y = 2X - 1


Sub (2) into (1),
(2X-1) - 3 = X + 2

2X - 1 - 3 = X + 2

2X - X = 2 + 1 + 3

X = 6


Sub x=6 into (1),
Y = 2(6) - 1

Y = 12 - 1

Y = 11

Find the gradient of the line segment between the points (-2,3) and (-4,-2).
Give your answer in its simplest form.

Answers

Given:

The two points are (-2,3) and (-4,-2).

To find:

The gradient of the line segment between the given points.

Solution:

The gradient is also known as slope.

The slope formula:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

The endpoints of the line segment are (-2,3) and (-4,-2). So, the gradient of the line is

[tex]m=\dfrac{-2-3}{-4-(-2)}[/tex]

[tex]m=\dfrac{-5}{-4+2}[/tex]

[tex]m=\dfrac{-5}{-2}[/tex]

[tex]m=\dfrac{5}{2}[/tex]

Therefore, the gradient of the given line segment is [tex]m=\dfrac{5}{2}[/tex].

Is 10/6 and 50/30 proportional or not proportional

Answers

Answer:

proportional

Step-by-step explanation:

50/5=10

30/5=6

10/6

10/6 and 50/30 are Proportional

Help me pls pls pls

Answers

Answer:

Its 68

Step-by-step explanation:

Sum of all the angles is 180

63+49+w = 180

112+w=180

w=180-112

w=68

Statistics help please!!! I have no idea what to do!

Zoom in to see clearer! Please don't answer just for points I really need help​

Answers

Answer:

not sure tbh

Step-by-step explanation:

6. A hot air balloons each descend 100 feet per minute for 5 minutes. Find the total change in altitude for the hot air balloon.​

Answers

Brainly is forcing me to answer this question, don’t report me

Answer: 500 feet in 5 minutes

Step-by-step explanation:

Multiply 100 times 5 to find out how much feet the hot air balloon descends per minute.

cuanto es la mitad de 1000​

Answers

Answer:

La mitad es 500

Step-by-step explanation:

Answer:

500

Step-by-step explanation:

500 + 500= 1000

i will give brainleist if right!

A circular garden has a diameter of 10 yards. What is the area of the garden?
Use 3.14 for T.
A. 78.5 yd2
B. 31.4 yd2
C. 314 yd2
D. 39.25 yd2
SUBMIT

Answers

Answer:

A

Step-by-step explanation:

Answer: a

Step-by-step explanation:

Expand and simplity-(x-5)-(2x+7)

Answers

Answer:

-3x - 2

Step-by-step explanation:

-(x - 5) ⇒ -x + 5

-(2x + 7) ⇒ -2x - 7

-x + 5 - 2x - 7 ⇒ -3x - 2

multiply by sign:-x+5-2x-7

collect like term:-x-2x+5-7

simplify:-3x-2

so finally the answer is -3x-2

100 points help ASAP!!!!

Answers

Answer:

True

False

False

True

Step-by-step explanation:

its not even 100 points

Answer: This is 9 points. True,False, False,True is the answer by the way.

Step-by-step explanation:

What is the sum of the geometric sequence 1, -6, 36, ... If there are 6 terms? (1 point)

Answers

Answer:

-6665

Step-by-step explanation:

The given GP is :

1, -6, 36, ...

Number of terms = 6

The sum of n terms of a GP is given by :

[tex]S_n=\dfrac{a(r^n-1)}{r-1}[/tex]

Here,

a = 1, n = 6, r = 36/-6 = -6

So,

[tex]S_6=\dfrac{1((-6)^6-1)}{(-6)-1}\\\\=-6665[/tex]

So, the sum of th GP is -6665.



Calculate the percentage increase of an item that cost R59.99 in 2020 and R 65.99 in 2021​

Answers

Answer:

the answer is of this question R = 10

Answer:

The answer is 6%

Step-by-step explanation:

[tex]65.99 - 59.99 = \frac{6 \times 100}{100} = 6\%[/tex]

12. ALGEBRA Sherri Cole found that the 12-ounce can of frozen orange juice
sells for $0.16 less than the 16-ounce can, which is $0.68 less than the
24-ounce can. If the unit price of the 24-ounce can is $0.005 less than the
unit price of the 12-ounce can, which of the three is the best buy based
on the lowest unit price?

Answers

Answer:

96 = x

Step-by-step explanation:

I'm going to use cents instead of dollars because I find decimals and fractions to be cumbersome. I assume you meant $.005 instead of 4.005.

Let x denote the price (in cents) of the 12-ounce can. Then the price of the 16-ounce can is (x + 16) cents, and the price of the 24-ounce can is ((x + 16) + 68), or (x + 84) cents.

The unit price (cents per ounce) of the 12-oz can is x/12

The unit price of the 16-oz can is (x + 16)/16

The unit price of the 24-oz can is (x + 84)/24

You are told that, in terms of x,

(x + 84)/24 = x/12 - 0.5

Multiply both sides by 24:

x + 84 = 2x - 12

Solve for x:

96 = x

So the unit prices (in cents per ounce) are:

12 oz: 96/12 = 8 cents/oz

16 oz: 112/16 = 7 cents/oz

24 oz: 180/24 = 7.5 cents/oz

So the 16 ounce can is the best buy based on lowest unit price.

In this exercise we have to use the knowledge of finance to calculate the best price to be offered, in this way:

[tex]12 oz: 96/12 = 8 cents/oz\\16 oz: 112/16 = 7 cents/oz\\24 oz: 180/24 = 7.5 cents/oz[/tex]

Some values ​​should be simplified as they were informed in the statement:

The unit price (cents per ounce) of the 12-oz can is x/12The unit price of the 16-oz can is (x + 16)/16The unit price of the 24-oz can is (x + 84)/24

So putting together an equation with these values ​​and terms informed we find that:

[tex](X + 84)/24 = X/12 - 0.5\\X + 84 = 2X - 12\\X=96[/tex]

So with the value of X found it is only necessary to use the previous equations and replace this value.

See more about finances at brainly.com/question/10024737

pls give answer with formulas and steps 4/9 ÷ -5/7

Answers

9514 1404 393

Answer:

  -28/45

Step-by-step explanation:

Step 1, the sign

When the fractions have an odd number of minus signs (1, not 0 or 2), the result will be negative. This knowledge lets you ignore the sign while you do the rest of the arithmetic. The appropriate sign is applied to the final numbers.

Step 2, the formula

The ratio (a/b)÷(c/d) is (ad)/(bc). There are several ways you can get there:

⇒ "invert and multiply" or "swap dot"

  [tex]\dfrac{a}{b}\div\dfrac{c}{d}=\dfrac{a}{b}\,\cdot\,\dfrac{d}{c}=\dfrac{ad}{bc} \quad\text{division is multiplication by the reciprocal}[/tex]

⇒ "numerators of a common denominator"

  [tex]\dfrac{\left(\dfrac{a}{b}\right)}{\left(\dfrac{c}{d}\right)}=\dfrac{\left(\dfrac{ad}{bd}\right)}{\left(\dfrac{bc}{bd}\right)}=\dfrac{ad}{bc}[/tex]

⇒ "swapped denominators of a common numerator"

  [tex]\dfrac{\left(\dfrac{a}{b}\right)}{\left(\dfrac{c}{d}\right)}=\dfrac{\left(\dfrac{ac}{bc}\right)}{\left(\dfrac{ac}{ad}\right)}=\dfrac{ad}{bc}[/tex]

The use of common numerators or common denominators is most often seen when the numerator or denominator of one fraction is a multiple of that in the other fraction. Example: (2/3)÷(1/6) = (4/6)÷(1/6) = 4/1 = 4

Step 3, reduce the result

Any of these fractions is reduced by cancelling common factors from numerator and denominator. Your fractions here don't have any common factors, so there is nothing to cancel.

_____

Your product is ...

  (4/9) ÷ (-5/7) = -(4·7)/(9·5) = -28/45

HELP!!!!!!!!!!!!!!!!

Answers

I think it’s A but if it’s not then try c

Answer:

C. 390 cm²

Step-by-step explanation:

Area of Rectangle: l•w

Area of Triangle: 1/2bh

Rectangle:

20 cm • 15 cm = 300 cm²

Triangle:

1/2(12)(15)

1/2(180)

90 cm²

Entire Shape:

300 cm² + 90 cm² = 390 cm²

whats the average between 95 and 128

Answers

Answer:

Below!

Step-by-step explanation:

111.5

Help pls i forgot how to do this

Answers

Just use the calculator and it gives you 3

Posted the next question!

Answers

3 and 2 and complementary

Answer:

angle 3 and angle 2 are complementary angle.

The top of a building is a cone 10 meters tall with a radius of 4 meters at the base. Round to the nearest hundredth.

Answers

Answer:

V = 167.55 m³

Step-by-step explanation:

Given that,

The height of a cone, h = 10 m

Radius of the cone, r = 4 m

It can be assumed to find the volume of the cone. Th formula for the volume of a cone is given by :

[tex]V=\dfrac{1}{3}\pi r^2 h\\\\V=\dfrac{1}{3}\pi \times (4)^2\times 10\\\\V=167.55\ m^3[/tex]

So, the required volume is 167.55 m³.

The rectangle below has an areas of x^2+8x+15 square metres and a width of x+3 meters what expression represents the length of the rectangle

Answers

Answer: x+5 or ((x^2+8x+15)/(x+3))

Step-by-step explanation: First let's assign our variables.

x^2+8x+15 = Area

X+3 = Width

? = Length

If the equation of a=lw, then we can substitute in our variables.

a=lw

x^2+8x+15= L (x+3)

Now we must isolate L.

Divide both sides of the equation by 'x+3'

x^2+8x+15= L (x+3)

x+3                 x+3

x+5= L

i will give brainliest to first correct answer!! what is the length of YZ? i will report if you give a fake answer

Answers

Answer:

25

Step-by-step explanation:

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