21.64 - (3)+(-8.89)-(-2 1/2)

Answer:

C

Step-by-step explanation:

Mechanical weathering, also called physical weathering and disaggregation, causes rocks to crumble. Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock.

Answer:

Stone and boulders moved by water

Step-by-step explanation:

Answer: 17 degree

Step-by-step explanation:

in isosceles triangle, angles opposite to equal sides r equal

so let that equal angles be 2x, so one of them is x

therefore, by angle sum property

146 + x + x = 180

146 + 2x = 180

2x = 180 - 146

x = 34/2

x = 17degree

therefore, m angleM = 17 degree

Hope it helped u,

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Answer:

no is not irrational that number is very much rational

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

Answer:

3:4

Step-by-step explanation:

b = 3

c = 4

therefore b:c = 3:4

Answer:

9:8

Step-by-step explanation:

Mark brainliest pls

[tex]-3(3+6b)=36-3b\\-9-18b=36-3b\\-9-36=18b-3b\\-45=15b\\b=-3[/tex]

Answer:

A = 36 in²

Step-by-step explanation:

According to the table below, the equation you will use is for the area of a trapezoid: A = 1/2(b₁ + b₂)h

A = 1/2(b₁ + b₂)h

Plug in the values.

A = 1/2(8 + 4)6

Solve within the parentheses.

A = 1/2(12)6

Multiply.

A = 6(6)

Multiply.

A = 36 in²

Answer:

I am really sorry but that's so confusing

Step-by-step explanation:

The time it takes for the barrel to empty completely will be 5 minutes and 20 seconds.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

There are 40 liters of water in a barrel. The water streams out of the barrel at a pace of 125 milliliters each second. 1 liter = 1000 milliliters.

Convert the 125 milliliters each second into liters per minute.

⇒ (125) x (60 / 1000)

⇒ 7.5 liters per minute

The number of minutes for the barrel to empty completely will be given as,

⇒ 40 / 7.5

⇒ 5.3333 minutes

⇒ 5 + 0.3333 x 60

⇒ 5 minutes 20 seconds

The time it takes for the barrel to empty completely will be 5 minutes and 20 seconds.

More about the Algebra link is given below.

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Answer:

For the bottom one it would be 43 in the second column i think.

Step-by-step explanation:

An anomaly is a number that stands out to the rest, so if i had the numbers 2,4,6 and 80 the anomaly would be 80 because of how different it is to the rest

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Answer:

30 cents

Step-by-step explanation:

Answer:

30 cents

Step-by-step explanation:

1.2 divided by 24=.05= 5 cents

.05 times 6= .3=30 cents

Hope this helped!! :)

Brainliest!?!?!

Stay safe and have a wonderful day/afternoon/night!!!

Answer: 2

Step-by-step explanation: 10 - 8 = 2

Answer:

5/32

Step-by-step explanation:

This is already in its simplest form, so you don't need to do anything! Nothing is a same multiple of both 5 or 32 except 1.

Hope this helps!! Have an amazing day ❤

Answer:

a. 3

b. 2.9

Step-by-step explanation:

[tex] \sqrt[3]{25} ≈2.92[/tex]

a. An integer is a whole number. the nearest whole number to 2.92 is 3.

b. 2.92 rounds down to 2.9 when rounding the the tenths' place.

Answer:

25 cans

Step-by-step explanation:

Answer:

Luis incurred 107 extra text messages.

Step-by-step explanation:

Giving the following information:

Luis's cell phone plan costs $39 per month. Text messages cost an additional $0.15 each.

To calculate the number of text messages, we need to use the following formula:

Total cost= 39 + 0.15x

x= number of text messages

55.05= 39 + 0.15x

16.05= 0.15x

107= x

Luis incurred 107 extra text messages.

The solution to the given equation (1 2/3) ÷ x = (2 7/9) is x = 15/16.

To solve the equation (1 2/3) ÷ x = (2 7/9), we need to isolate the variable x.

First, let's convert the mixed numbers to improper fractions:

1 2/3 = (3/3 + 2/3) = 5/3

2 7/9 = (9/9 + 7/9) = 16/9

The equation becomes (5/3) ÷ x = (16/9).

To eliminate the fraction in the numerator, we can multiply both sides of the equation by the reciprocal of (5/3), which is (3/5):

[(5/3) ÷ x] × (3/5) = (16/9) × (3/5)

Simplifying, we get:

1 ÷ x = 48/45

To isolate x, we can take the reciprocal of both sides of the equation:

x ÷ 1 = 45/48

Simplifying to get:

x = 45/48

Therefore, the solution to the equation is x = 15/16.

Learn more about the fraction here:

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Answer:

63

Step-by-step explanation:

Each term in a geometric sequence progresses by multiplying a constant (let us name it r).

Let us solve for this constant r in order to find the 13th term.

If the seventh term is 7, the tenth term would be 7*r*r*r, or [tex]7r^{3}[/tex]. We also happen to know that the 10th term is 21. Let us make a new equation:

[tex]7r^{3} =21\\r^{3}=3\\r= \sqrt[3]{3}[/tex]

or, approx. 1.442249570307408

Using the same logic, the 13th term would be 7*r*r*r*r*r*r, or [tex]7r^{6}[/tex]. We may now substitute what we know, r, into this expression to obtain the 13th term:

[tex]7*\sqrt[3]{3}^{6} = \\7*3^{2}=\\7*9=\\63[/tex]

Therefore, the 13th term of this progression is 63.

I hope this helps! Please let me know if you have any further questions :)

Answer:

6x^3 + 3x^2 - x

Step-by-step explanation:

6x^3 - X x (1-3x)

= 6x^3 - x + 3x^2

=6x^3 + 3x^2 - x

Answer:

Gallons          Miles

2                     56

4                     a

b                     168

10                   c

To Find : the missing values a , b , c  and constant of proportionality

Solution:

constant of proportionality of x miles per gallon

=>  Miles = x * gallons

Gallons = 2

=> Mile s= 2 * x = 56

=> x = 28

Gallons = 4

=> Mile s= 4 * 28 = 112 = a

Gallons = b

=> Mile s= b * 28 = 168

=> b = 7

Gallons = 10

=> Mile s= 10 * 28 = 280 = c

Gallons          Miles

2                     56

4                     a =112

b=7                168

10                   c=280

constant of proportionality = 28

a = 112

b = 7

c = 280

Step-by-step explanation:

i think lol

Answer:

A 2-column table with 4 rows. Column 1 is labeled Gallons with entries 1, 2, 3, 4. Column 2 is labeled miles with entries 23, 46, 69, question mark.

Which statements are correct? Select all that apply.

Multiply g by 23 to get m.

Multiply m by 23 to get g.

The missing value in the last row is 70.

The missing value in the last row is 92.

A real-world situation that is represented in the table is “Rio’s car gets 23 miles per gallon.”.

A real-world situation that is represented in the table is “Rio’s car gets 1 mile per 23 gallons.”.

the answer is  A,D,E I got right.

Step-by-step explanation:

Answer:

9/3= 3/1

Step-by-step explanation:

Just bring the numbers down and make it in simplest form so every 3 cups per 1 pound

Answer:

{x,y} = {18,11}

Step-by-step explanation:

6x + 4y = 152

5x = 90

5 .     5

x = 18

6 x 18 + 4y = 152

4y = 44

y = 11

x = 18

y = 11

Answer:

200 tickets .

Step-by-step explanation:

Answer:

[tex]0\leq y\leq 1[/tex]

Step-by-step explanation:

The given function is

F:x→1-x²

To find the range of the function, we have to evaluate it when x=-1 and x=1

[tex]f(-1)=1-(-1)^{2} =1-1=0\\f(1)=1-(1)^{2}=1-1=0\\[/tex]

Hence , the range of  the function is zero within the given domain.

[tex]0\leq y\leq 1[/tex]

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Answer:

80%

Step-by-step explanation:

16/20 = 0.80

80%

Answer:

80 is the answer

Step-by-step explanation:

16×100÷20

Answer: expand -8(-1/4+9)

Step-by-step explanation: and it equals -70