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PIT_PIT [208]
3 years ago
9

The sum of two numbers is 56 the difference is 4 find the two numbers

Mathematics
1 answer:
belka [17]3 years ago
6 0

Answer:

30 and 26

Step-by-step explanation:

30 plus 26 is 55

30 minus 26 is 4

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Please help with this
9966 [12]

Answer:

D

Step-by-step explanation:

The first graph curves down

The second graph is not symmetrical on the y axis

The third graph is much higher than the picture

6 0
3 years ago
Solve using substitution. <br> 7x-4y=-12<br> 9x-4y=-20
MrRissso [65]

Answer:y= -4

Step-by-step explanation:

1 Solve for xx in 7x-4y=-127x−4y=−12.

x=\frac{4(y-3)}{7}

x=

7

4(y−3)

​

2 Substitute x=\frac{4(y-3)}{7}x=

7

4(y−3)

​

 into 9x-4y=-209x−4y=−20.

\frac{36(y-3)}{7}-4y=-20

7

36(y−3)

​

−4y=−20

3 Solve for yy in \frac{36(y-3)}{7}-4y=-20

7

36(y−3)

​

−4y=−20.

y=-4

y=−4

4 Substitute y=-4y=−4 into x=\frac{4(y-3)}{7}x=

7

4(y−3)

​

.

x=-4

x=−4

5 Therefore,

\begin{aligned}&x=-4\\&y=-4\end{aligned}

​

 

x=−4

y=−4

​

3 0
3 years ago
the first three terms of an arithmetic progression is (x + 1), (4 x - 2) and 6 x - 3 if the last term is 18 find the value of x​
lbvjy [14]

Answer:

2

Step-by-step explanation:

<u>Since it is AP, the common difference is same for any term:</u>

  • (4x - 2) - (x + 1) = (6x - 3) - (4x - 2)
  • 3x - 3 = 2x -1
  • 3x - 2x = 3 - 1
  • x= 2

<u>The first 3 terms are:</u>

  • 3, 6, 9

<u>Since the last term is 18, it means this AP has 6 terms:</u>

  • {3, 6, 9, 12, 15, 18}

<u>Answer: </u>as we need to find the value of x only, it is = 2

6 0
3 years ago
I NEED THIS ANSWER ASAP(1000-???)=487​
lakkis [162]

Answer:

The answer is 513

Step-by-step explanation:

To get this answer you can subtract 487 from 1000 and then put the answer in the missing place!

-Hope this helps-

Bai~

5 0
3 years ago
Read 2 more answers
marge cut 16 pieces of tape for mounting pictures on poster board. each piece of tape was 3/8 inch long. how much tape did marge
Tomtit [17]

Answer:

Total tape used by marge is 6 inches .

Step-by-step explanation:

As given

marge cut 16 pieces of tape for mounting pictures on poster board.

Each\ piece\ of\ tape\ was\ \frac{3}{8}\ inch\ long.

Total tape marge uses = Number of pieces × Each piece length

Total\ tape\ marge\ uses = \frac{16\times 3}{8}

Total tape marge uses = 2 × 3

                                      = 6 inches

Therefore the total tape used by marge is 6 inches .

8 0
3 years ago
Read 2 more answers
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