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3 years ago

Which subtraction expression has the difference 1 + 4

Mathematics

2 answers:

Tomtit [17]3 years ago

8 0

4-1 would <span>have the difference of 1 + 4</span>

oee [108]3 years ago

8 0

10-5 has the difference of 1+4. They both equal 5. But they use different operations.

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Tresset [83]

Answer:

the 19th term of the arithmetic sequence is 73.

Step-by-step explanation:

Given:

The arithmetic sequence whose common difference is

$d=4$

And first term is

$a=1$

Find the 19th term of the arithmetic sequence

$n=19$

Now we know that,

$a_{n}=a+(n-1)d$

Put all the value in above AP.

$a_{19}= 1+(19-1)4$

$a_{19}= 1+18\times 4$

$a_{19}= 1+72$

$a_{19}= 73$

So, $19_{th}$ term of the sequence is 73.

3 0

3 years ago

Solve the system <br> 5x+3y=-9 &- 2x+y=8

lianna [129]

5x+3y=-9
-2x+y=8

The first step is the trickery (and quite frankly, hardest to explain) part. You need to multiply one equation by a number that will create one variable to be the negative version of the other...(Confusing, right? Don't worry, I'll show you)

We are going to solve for X first.

We will multiply the second equation by -3
5x+3y=-9
-3(-2x+y)=(-3)8

Now simplify:
5x+3y= -9
6x-3y= -24

Now combine the two equations (add them together)
11x= -33
Divide by 11
X=-3

Now plug X in to one of the first equations:
5(-3)+3y= -9
-15+3y =-9
3Y= 6
Y= 2

So your final answer is:
x= -3
Y= 2

Hope this helps!

3 0

3 years ago

Read 2 more answers

T object]user: jane marko buys a car for $11,400.00. in three years, the car depreciates 48% in value. how much is the car worth

nata0808 [166]

B. 5,472 because 11,400 x .48 is 5,472.

5 0

3 years ago

What to the fourth power equals 0.0625?

d1i1m1o1n [39]

0.5 to the fourth power equals 0.0625.

6 0