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denis23 [38]
3 years ago
7

What percent of 19.5 is 70.59?

Mathematics
2 answers:
Elena L [17]3 years ago
6 0
What always helps me with these type of questions is the formula: 

Part                Percent
----------- =   ---------------
 Whole             100


This may seem a little complicated but I'll explain, 

70.59 is the full or complete (whole) number 

19.5 is (part) of 70.59 

And the percent is the unknown part of this so it will stay as a variable. Let's say x


So it comes out to be: 

\frac{70.59}{19.5} =  \frac{x}{100}

Now that it is set up, you simply multiply diagonally or cross cancel

It should turn out to look like this once you solved it: 

70.59x=1950

Then divide 1950 by 70.59

you will then get, x= <span>27.6243093923 or just 27% or 27.6%</span>



NeX [460]3 years ago
4 0
70.59 is 363.846154% of 19.5.
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1. Explain in a complete sentence if the point (2, -4) is the solution to the system of equations. x + y = -2 2x – y = 8
Temka [501]
So, it says x + y = -2
we just plug in the numbers so,
2 + - 4 = -2
This equation is true and can also be written as
2 - 4 = -2

It also then says that 2x - y = 8
Again, you just plug in the numbers
2 * 2 - (-4) = 8 
This equation is true and can also be writen as,
2*2 + 4 = 8
7 0
3 years ago
Lins family has completed 70% of a trip they have traveled 35 miles how long is the whole trip
Keith_Richards [23]

Answer:

The distance of the whole trip is 50 miles.

Step-by-step explanation:

Let the distance of the whole trip be x.

70% x = 35 miles

(70/100)x = 35 miles

x = 35 * (100/70) miles

x = 50 miles

Therefore, the distance of the whole trip is 50 miles.

Hope this helped!

8 0
3 years ago
Read 2 more answers
What is 2+2 divided by 50
Archy [21]

Answer: 2.04

Step-by-step explanation:

2+2=4

4/50 = 2.04

4 0
2 years ago
Jenna has 30 barrettes she is organizing her barrettes into six boxes she puts the same number of barrettes in each box write an
postnew [5]
She put 5 barrettes in each box
7 0
3 years ago
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Multiply the polynomials (x+3)(2x−4). What is the product in the form ax^2+bx+c?
Romashka [77]

Answer:

Step-by-step explanation:

In the same way as you could factor trinomials on the form of

x2+bx+c

You can factor polynomials on the form of

ax2+bx+c

If a is positive then you just proceed in the same way as you did previously except now

ax2+bx+c=(x+m)(ax+n)

wherec=mn,ac=pqandb=p+q=am+n

Example

3x2−2x−8

We can see that c (-8) is negative which means that m and n does not have the same sign. We now want to find m and n and we know that the product of m and n is -8 and the sum of m and n multiplied by a (3) is b (-2) which means that we're looking for two factors of -24 whose sum is -2 and we also know that one of them is positive and of them is negative.

Factorsof−24−1,241,−24−2,122,−12−3,83,−8−4,64,−6Sumoffactors23−2310−105−52−2

This means that:

3x2−2x−8=

=3x2+(4−6)x−8=

=3x2+4x−6x−8

We can then group those terms that have a common monomial factor. The first two terms have x together and the second two -2 and then factor the two groups.

=(3x2+4x)+(−6x−8)=

=x(3x+4)−2(3x+4)

Notice that both remaining parenthesis are the same. This means that we can rewrite this using the distributive propertyit as:

=(x−2)(3x+4)=3x2−2x−8

This method is called factor by grouping.

A polynomial is said to be factored completely if the polynomial is written as a product of unfactorable polynomials with integer coefficients.

6 0
3 years ago
Read 2 more answers
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