NEED HELP ASAP PLEASE How many 3-digit numbers with all odd digits exist

Answer:

8(3 + 8)

Step-by-step explanation:

Distribute or expand the brackets using the distributive property.

8(3) + 8(8)

Multiply.

24 + 64

Answer:

8(3 + 8)

Explanation:

step 1 - find the greatest common factor for both numbers

factors of 24

1 × 24

2 × 12

4 × 6

6 × 4

8 × 3

24 × 1

factors of 64

1 × 64

2 × 32

4 × 16

8 × 8

16 × 4

32 × 2

64 × 1

So, the greatest common factor for both numbers is eight.

step 2 - apply the distributive property

24 + 64

8(3) + 8(8)

8(3 + 8)

Therefore, an expression equivalent to the one provided is 8(3 + 8).

Answer:

-2x⁴+4x³+10x²+8x-4

Step-by-step explanation:

Standard form for a polynomial is from highest power to lowest power

4x³-2x⁴+8x+10x²-4

-2x⁴+4x³+10x²+8x-4

Answer:

131°.

Step-by-step explanation:

its equal to that other angle i forgot how but i learned this 1 week ago

Question

An octagon has a side length of 15 feet and an area of 1089.6 ft²

Find the area of a smaller octagon that has a side length of 7 feet.

Answer:

237.3ft²

Step-by-step explanation:

We are given two octagons in the above question.

Side length of larger octagon = 15 ft

Area of larger octagon = 1089.6 ft²

The area of a smaller octagon = X

Side length of smaller octagon = 7 ft.

We solve for this using scale factor

Scale factor(k) = ratio of the side length of the octagon = smaller side length/ larger side length

k = 7/15

It is important to note that

The square of the scale factor k = ratio of the areas of the octagon

Hence,

k² = X/1089.6 ft²

(7/15)² = X/1089.6 ft²

7²/15² = X/1089.6 ft²

Cross Multiply

15² × X = 7² × 1089.6ft²

X = 7² × 1089.6ft²/15²

X = 237.29066667ft²

Approximately, the area of the smaller octagon = 237.3ft²

Answer:

120

Step-by-step explanation:

We can do 90*(100/60) to figure out which number is 90 when it is only 60 percent.  This means the original number was 150.  Now we just do 150/5 which equals 30.  Then we can multiply 30*4 = 120.

Answer:

120

Step-by-step explanation:

60% of a number is 90.

Let the number be x.

60% of x = 90

0.6x = 90

x = 90/0.6

x = 150

The number is 150.

4/5 of 150 =

= 4/5 * 150

= 120

Answer:

a. [tex] 4*10^{-5} [/tex]

b. [tex] 5*10^{-5} [/tex]

c. [tex] 6*10^{-6} [/tex]

d. [tex] 8*10^{-10} [/tex]

Step-by-step explanation:

To write the above given numbers in standard form, all you need to do is count how many places you have to move the decimal point till you get to a non-zero digit. The number of places you move the decimal point to the right would determine the value of the negative power you would raise to 10.

a. 0.00004:

To place our decimal point after the first non-zero digit in this number given, we would have to move the decimal point to 5 places. The digit 4, would now be multiples by 10 raised to the negative power of 4.

The standard form would be: [tex] 4*10^{-5} [/tex].

Now let's check if we're correct.

[tex] 4*10^{-1} = 4*\frac{1}{10^5} = 4*\frac{1}{100,000} = 4*0.00001 = 0.00004 [/tex]

Follow same procedure as shown above to  write the rest numbers in standard form.

You should have the following as their standard form:

b. [tex] 0.00005 = 5*10^{-5} [/tex]

c. [tex] 0.000006 = 6*10^{-6} [/tex]

d. [tex] 0.0000000006 = 8*10^{-10} [/tex]

Answer: I would paint either of the 3/4 of a circle or a circular ring.

Step-by-step explanation: We shall start by calling the three quarter circle on the left A, and the ring on the right we shall call B.

The area of both can be calculated and that figure which results in the lesser value (of area) shall cost you less to paint.

For A, the area of the circle is given as

Area = πr²

Where π shall be taken as 3.14 and the radius r is 6.

Area = 3.14 * 6²

Area = 3.14 * 36

Area = 113.04

The area of the quarter of the circle would be subtracted from the total area as shown in the calculation above.

Area of sector = ∅/360 * πr²

The sector is a quarter of the circle and that makes the angle at the sector to be equal to (360/4) 90 degrees. Therefore ∅ equals 90.

Area of sector = (90/360) * 113.04

Area of sector = 1/4 * 113.04

Area of sector = 28.26

Area of A therefore is derived as;

Area of A = 113.04 - 28.26

Area of A = 84.78 square metres

For B, the area of the ring is given as follows;

Area of B = Area of larger circle - Area of smaller circle

Area of B = πR² - πr²

Where R is the radius of the larger circle and r is the radius of the smaller inner circle. By factorizing the right hand side of the equation, we now have;

Area of B = π (R² - r²)

Area of B = 3.14 (6² - 3²)

Area of B = 3.14 (36 - 9)

Area of B = 3.14 * 27

Area of B = 84.78 square metres.

From the calculations shown along with the explanations, both the three-quarters and the ring have exactly the same area, which means you are going to spend exactly the same quantity of paint and spend the same amount of time painting either one of them.

So the answer is; I would paint EITHER ONE OF THEM.

Answer:

A; 10

Step-by-step explanation:

What we can see here is that the triangles are similar.

Hence, the ratio of their sides are equivalent.

Thus, mathematically;

ED/BA = DF/AC = BC/EF

what we want to calculate is ED = x

Thus;

x/15 = 12/18

Cross multiply;

18 * x = 12 * 15

18x = 180

x = 180/18

x = 10

Answer:

$300

Step-by-step explanation:

Here we are given:

Balance at the beginning of last cycle(first half) = $400

Balance halfway through the cycle(second half cycle) = $200

To find the amount Aaron's checking account pay interest last cycle, let's find the average balance.

Use the formula for average:

[tex] \frac{Bal 1 + Bal 2}{2} [/tex]

[tex] \frac{400 + 200}{2} [/tex]

[tex] \frac{600}{2} = 300[/tex]

Average = $300

Therefore, the amount Aaron's checking account pay interest last cycle is $300

Answer:

Zero product rule

Step-by-step explanation:

According to this rule, any number multiplied by 0 = 0, because you have no lots of something. Hope this helps.

NOTE: for this law to be applicable, the whole equation only needs on zero(alone and not as a place in a larger integer)

Answer:

A.

Step-by-step explanation:

makes since

Answer:

i think the answer is A

Step-by-step explanation:

Answer:

12 ??

Step-by-step explanation:

Answer:

12 cubic units

Step-by-step explanation:

1. Multiply 4 and 3

Answer: 4:3.

Step-by-step explanation:

Given: Point P is [tex]\dfrac{4}{7}[/tex] of the distance from M to N.

To find: The ratio in which the point P partition the directed line segment from M to N.

If Point P is between points M and N, then the ratio can be written as

[tex]\dfrac{MP}{MN}=\dfrac{MP}{MP+PN}[/tex]

As per given,

[tex]\dfrac{MP}{MP+PN}=\dfrac{4}{7}\\\\\Rightarrow\ \dfrac{MP+PN}{MP}=\dfrac{7}{4}\\\\\Rightarrow\ \dfrac{MP}{MP}+\dfrac{PN}{MP}=\dfrac{7}{4}\\\\\Rightarrow\ -1+\dfrac{PN}{MP}=\dfrac{7}{4}\\\\\Rightarrow\ \dfrac{PN}{MP}=\dfrac{7}{4}-1=\dfrac{7-4}{4}=\dfrac{3}{4}\\\\\Rightarrow\ \dfrac{PN}{MP}=\dfrac{3}{4}\ \ \or\ \dfrac{MP}{PN}=\dfrac{4}{3}[/tex]

Hence, P partition the directed line segment from M to N in 4:3.

Answer:

15 buses

Step-by-step explanation:

7:20                              1 bus leaves

Then 1 leaves every 15 minutes

35, 50, 05 and 20    4 buses til 8:20

35, 50, 05 and 20    4 buses til 9:20

35, 50, 05 and 20    4 buses til 10:20

35,50                          2 buses leave til 11:00

Add them together

1 +4+4+4+2 = 15 buses

Answer:

15

Step-by-step explanation:

The number of minutes from 7:20 to 8:00:

N1 = 40 minutes

The number of minutes from 8:00 to 11:00:

N2 = (11 - 8) x 60 = 180 minutes

=> The number of minutes from 7:20 to 11:00:

N = N1 + N2 = 40 + 180 = 220 minutes

Every 15 minutes, a bus leaves.

The number of 15-minute intervals from 7:20 to 11:00:

220/15 = 14.67 = 14

=> The number of buses leave from 7:20 to 11:00:

14 + 1 = 15

(including the 1st bus)

Hope this helps!

Answer:

Step-by-step explanation:

Angle QRS is an inscribed angle. The rule is that an inscribed angle is half the measure of the arc it cuts off; in other words, the measure of the arc is double the measure of its inscribed angle. If the angle is 84, then the arc is

84(2) = 168.

Answer:

[tex] h = \dfrac{S}{2 \pi r} - r [/tex]

Step-by-step explanation:

[tex] S = 2 \pi rh + 2 \pi r^2 [/tex]

[tex] 2 \pi rh + 2 \pi r^2 = S [/tex]

[tex] 2 \pi rh = S - 2 \pi r^2 [/tex]

[tex] h = \dfrac{S}{2 \pi r} - \dfrac{2 \pi r^2}{2 \pi r} [/tex]

[tex] h = \dfrac{S}{2 \pi r} - r [/tex]

Answer:

16 days.

Step-by-step explanation:

The work done by a and b in one day = 1/30

The work done by b and c in one day = 1/24

The work done by c and a in one day = 1/20

Find the sum of all these fractions , this will be the work done by 2a and 2b and 2c in one day. This gives 0.125, which is equivalent to 1/8.

The work done by 2 of each person = 8, so it takes double this value for just one of each person, this is 16 days.

Hope this helps

Answer: x = 12

Step-by-step explanation:

We can see two triangles rectangles, we will use the angle S to solve this, as this angle is common to both triangles.

We know that:

cos(S) = adj cathetus/hipotenuse.

Then we have, for the triangle SRT.

Cos(S) = 9/SR.

for the big triangle, SQR, we have:

Cos(S) = SR/(9 + 16)

now we can find the quotient of those two equations and get:

cos(S)/cos(S) = 9/Sr*(9+16)/SR

SR^2 = 9*(25)

SR =  15.

Now with this side we can find the value of x.

We can use the Pythagorean theorem in the triangle SRT, where the sum of the squared cathetus is equal to the hypotenuse:

9^2 + x^2 = 15^2

x = √(15^2  - 9^2) = 12

Answer: greaterright

Step-by-step explanation:

Answer: 0.9961

Step-by-step explanation:

Given: Total choices to each question = 4

So, the probability that an answer is correct = [tex]\dfrac{1}{4}=0.25[/tex]

Total questions = 20

i.e. n= 20

Let x be the binomial variable that represents the number of correct answers.

So, the probability that the student has at least 10 correct answers.

[tex]B(x=10;n=20, p=0.25)=\sum\limits_{i=0}^{x}(i;n=20,p=0.25)[/tex]

[tex]=0.9961[/tex]  [By using cumulative binomial table]

Hence, the probability that the student has at least 10 correct answers = 0.9961

Answer:

Solution,

Circumference of circular tank = 44m

Radius = ?

Diameter= ?

Now,

Circumference of a circle = 44

[tex]or \: 2\pi \: r \: = 44[/tex]

[tex]or \: 2 \times 3.14 \times r = 44[/tex]

[tex]or \: 6.28r = 44[/tex]

[tex]or \: r = \frac{44}{6.28} [/tex]

[tex]r = 7.0 \: m[/tex]

Again,

Diameter = 2 radius

= 2 * 7.0

= 14 m

Hope this helps..

Good luck on your assignment..

Answer:

2×3.14×r=44

6.28r=44

r=44/6.28

r=7.0

d=r

2×7.0

14

Answer:

B) [tex]-5n^4[/tex]

Step-by-step explanation:

We want to simplify [tex]\sqrt[3]{-125n^{12}}[/tex]

[tex]\sqrt[3]{-125n^{12}} = \sqrt[3]{-1 * - 1 * -1 * 5 * 5 * 5 * n^4 * n^4 * n^4} \\\\= \sqrt[3]{(-1)^3 * 5^3 * (n^4)^3}\\\\= -1 * 5 * n^4\\\\= -5n^4[/tex]

The answer is [tex]-5n^4[/tex]

Answer:  D) 11/9

Step-by-step explanation:

LCM of 5, 9, 3, 8, 7 = 5 x 9 x 8 x 7 = 2520

Convert each fraction so the denominator = 2520

[tex]\dfrac{3}{5}\bigg(\dfrac{9\times 8 \times 7}{9\times 8 \times 7}\bigg)=\dfrac{1512}{2520}\\\\\\\dfrac{5}{9}\bigg(\dfrac{5\times 8 \times 7}{5\times 8 \times 7}\bigg)=\dfrac{1400}{2520}\\\\\\\dfrac{2}{3}\bigg(\dfrac{5\times 3\times 8 \times 7}{5\times 3\times 8 \times 7}\bigg)=\dfrac{1680}{2520}\\\\\\\dfrac{5}{8}\bigg(\dfrac{5\times 9 \times 7}{5\times 9 \times 7}\bigg)=\dfrac{1575}{2520}\\\\\\\dfrac{4}{7}\bigg(\dfrac{5\times 9 \times 8}{5\times 9 \times 8}\bigg)=\dfrac{1440}{2520}\\\\\\[/tex]

The smallest number is  [tex]\dfrac{1400}{2520}=\dfrac{5}{9}[/tex]  and the largest number is [tex]\dfrac{1680}{2520}=\dfrac{2}{3}[/tex]

[tex]\dfrac{5}{9}+\dfrac{2}{3}\\\\\\=\dfrac{5}{9}+\dfrac{2}{3}\bigg(\dfrac{3}{3}\bigg)\\\\\\=\dfrac{5+6}{9}\\\\\\=\large\boxed{\dfrac{11}{9}}[/tex]

Answer:

See Attached Image, Explanation in order to understand how to calculate is below.

Step-by-step explanation:

The Jar Contains 20 Coins.

The probability that it is a 1p coin is 1/5

The probability that it is a 2p coin is 1/2

The total value of the coins in the jar is 59 pence.

The Section in bold is vitally important in this question.

We know we have 4 combinations of 1p, 2p , 5p & 10p in order to make 59p, and only have 20 coins to make it.

--------------------------------------------------------------------------------------------------------------

Calculate 1p:

1/5 of 20 = 4

We know the answer is 4 as we have 20 coins, you find 1/5 of 20.

Calculate 2p:

1/2 of 20 = 10

We know the answer is 10 as we have 20 coins, you find 1/2 of 20.

10 (2p Coins) + 4 (1p coins) = 14

20 coins - 14 (2p & 1p coins) = 6.

Now we only have 6 remaining coins for both 5p and 10p.

Calculate 5p:

We know we currently have a total of 24p if we subtract that from 59 we are left with 35.

So we can work establish here that we are not going to need many 10p's. As we only have 6 coins left!.  

5x5 = 25p.

Therefore you need 5, 5p's

Calculate 10p:

With 1 pence left out of the 20, we need 1 10p.

--------------------------------------------------------------------------------------------------------------

Hope this helps, mark as brainilest if found useful.

There are 1 10p coin of each type in the jar.

Given that ;

The Jar Contains 20 Coins.

Probability that it is a 1p coin is 1/5

Probability that it is a 2p coin is 1/2

The total value of the coins in the jar is 59 pence.

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

We know we have 4 combinations of 1p, 2p , 5p & 10p. so to make 59p, and only have 20 coins to make it.

Calculate 1p:

1/5 of 20 = 4

The answer is 4 as we have 20 coins, find 1/5 of 20.

Calculate 2p:

1/2 of 20 = 10

The answer is 10 as we have 20 coins, you find 1/2 of 20.

10 (2p Coins) + 4 (1p coins) = 14

20 coins - 14 (2p & 1p coins) = 6.

Now we only have 6 remaining coins for both 5p and 10p.

Now Calculate 5p:

We know that we have a total of 24p if we subtract that from 59 we are left with 35

5x5 = 25p.

Therefore we need 5, 5p's

Now Calculate 10p:

With 1 pence left out of the 20, we need 1 10p.

Learn more about probability here;

https://brainly.com/question/9326835

#SPJ2

Answer:

Y= 8*x

Step-by-step explanation:

You can notice that the graph is a straight line that crosses the origin so it's a graph that has an equation written this way : y= a*x

a is the slope

You can easily find it by notice that the image of 1 is 8

So a = 8

Then y= 8*x

Answer:

[tex]y=8x[/tex]

Step-by-step explanation:

Well drawing the line further then we can tell the y intercept is 0.

So we have to find the SLOPE using the following formula

[tex]\frac{y^2-y^1}{x^2-x^1}[/tex]

So we need two points on the line, we can use the following

(1,8) and (2,16)

So 16 is y2 and 8 is y1 so 16-8 is 8.

2-1 is 1.

So the slope is 8x.

Do the equation is [tex]y=8x[/tex]

We don’t have to put the y intercept because it is 0.

Her error was that she thought 0.1 and 1/4 were negatives but they are still positive.

She also thought the larger the negative the greatest one. The smaller negative is the greatest because it's bellow 0.

To solve this you would first need to turn 1/4 into 0.25

It would start out with -2 cause that is the least. Then -1. Now its back to positive so the least to greatest would be normal.

So the real answer would be -2, -1, 0.1, 1/4

Answer:

she treated her numbers as positives  

Step-by-step explanation:

did the test

Answer:

:are you the nice brianna??????????????

Step-by-step explanation

Step-by-step explanation:

The answer is the second image from left to right (B). Examples of direct and inverse variations are showed in the image below. :)

Answer:

y = 6

Step-by-step explanation:

Answer:

y = 6

Step-by-step explanation:

y - 8= - (y - 2) / 2

Expand.

y - 8 = (- y + 2) /2

Multiply both sides by 2.

2(y - 8) = - y + 2

2y - 16 = -y + 2

Add y and 16 on both sides.

2y + y = 2 + 16

3y = 18

Divide both sides with 3.

y = 18/3

y = 6