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emmainna [20.7K]
3 years ago
6

I really need help on this question!!!

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0

Answer:

The pencil was invented in 1795

Step-by-step explanation:

When the question says "177 years before ... 1972", it implies that we have to subtract 177 from 1972 to find when the pencil was invented.

1972 - 177 = 1795

I hope you find this helpful. :)

Marysya12 [62]3 years ago
6 0

Answer: 1795.

Step-by-step explanation:

The statement states that it was invented "177 years before".

It also states the year the video game was invented which is 1972.

1972-177=1795.

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Negative 7 over 3, the whole multiplied by x minus 3 equals negative 52
Sliva [168]

Answer:

21

Step-by-step explanation:

6 0
3 years ago
How much would it cost to buy a piece of candy for 50 cents plus tax
gtnhenbr [62]

Answer:

it depends on which state your in or in your even in the us usually it is either 6% or 4% some times more or less % so im going to do both

50*0.06=53

50*0.04=52

Hope This Helps!!!

5 0
2 years ago
Fill in the missing numbers to complete the linear equation that gives the rule for this table.
irakobra [83]

The value of the missing number to complete the linear equation are 31 and -10 respectively.

What is Algebraic expression ?

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

Here the given tables shows the coordinates of the linear equation and to find the equation  we consider any two points let suppose the those two points be (0,-10) and (1,21).

Now using slope formula to find the slope of line m :

m = (y₂-y₁)/ (x₂-x₁)

m = (21-(-10))/(1-0)

m = 31

Let us first find the equation of the line using point-slope equation of line :

(y-y₁) = m(x-x₁)

Substituting all the values in above equation to get the equation of line :

(y-(-10)) = 31(x-0)

(y+10) = 31x

y = 31x - 10

Therefore, the value of the missing number to complete the linear equation are 31 and -10 respectively.

check and know more about slope of line here :

brainly.com/question/14914699

#SPJ1

8 0
1 year ago
A mixture of alcohol and water contains a total of 36 oz of liquid. There are 9 oz of pure alcohol in the mixture. What percent
katen-ka-za [31]

First, we can start off with a fraction:

9/36 = 1/4

Now that we have this fraction, we multiply by 25:

25/100

This can be changed into a percent:

25%

100 - 25 = 75

25% is alcohol and 75% is water

7 0
3 years ago
Set up the correct type of variation equation. <br>V=r^2h<br>kV=r^2h<br>V=kr^2h<br>V=k(r+h)<br><br>​
Ede4ka [16]

Answer:

V = kr²h

Step-by-step explanation:

Given that V varies jointly with r² and h, then the equation relating them is

V = kr²h ← k is the constant of variation

Note that joint variation involves the product of the joint quantities

4 0
3 years ago
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