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DerKrebs [107]
3 years ago
12

X=4y-5 2x+3y=23 Solve using the substitution method

Mathematics
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

x =7, y = 3

Step-by-step explanation:

We substitute the value of x in terms of y (given) into the equation.

Then we solve for y and plug in the value of y back into the equation for the value of x to find x.

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Lois wants to send a box of oranges to a friend by mail. the box of oranges cannot exceed a mass of 10 kg. if each orange has a
-Dominant- [34]
No. of Oranges = Total Mass/Mass of one orange
IF only the mass of oranges is considered(not the box)

So, No. of oranges = 10*1000g/200g
                                  =  50
So answer is 50 oranges.
3 0
2 years ago
8×1+5×(1/10)+9×(1/1,000)
dybincka [34]
8×1+5×(1/10)+9×(1/1000)
8+5×(.1)+9×(.001)
8+.5+.009
Answer is 8.509

7 0
3 years ago
Sam takes a taxi in Chicago. The taxi charges $0.75 per mile and a flat fee of $1.60. If he has at most 10 dollars
Anni [7]
10 - 1.60= 8.40
8.40/0.75=11.2 miles
5 0
3 years ago
Find the tenth term in the following geometric sequence. 8, 4, 2, 1, . . .
Marrrta [24]

Answer:

  c)  0.0156

Step-by-step explanation:

The general term a[n] of a geometric sequence is given in terms of the first term a[1] and common ratio r as ...

  a[n] = a[1]r^(n-1)

The given sequence has an initial term of a[1]=8 and a common ratio of 4/8=1/2. Then the general term is ...

  a[n] = 8(1/2)^(n-1)

The 10th term is then ...

  a[10] = 8(1/2)^(10-1) = 8(1/2)^9 = 8/512

  a[10] = 0.015625 ≈ 0.0156

7 0
3 years ago
What is the answer??<br> I NEED 2 KNOW!! =~=
alexdok [17]
A because the square is in the (10) place and the circle is in the (1) place and 10 is 10 times bigger than 1
4 0
2 years ago
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