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xz_007 [3.2K]
3 years ago
14

Find the missing number based on the description below:

Mathematics
1 answer:
Nat2105 [25]3 years ago
8 0

Answer:

The number is -2

Step-by-step explanation:

12 less than 7 times a number can be express as follows,

let the number = a

7a - 12

According to the question the number 7a - 12 is equals to 32 less than the product of - 3 and the number.

32 less than the product of -3 and the number can be express below.

-3a - 32. Therefore,

7a - 12 = -3a - 32

collect like terms

7a + 3a = - 32 + 12

10a = -20

divide both sides by 10

a = -20/10

a = -2

The number is -2

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-13=7d+64 what is the answer
SCORPION-xisa [38]
Step 1: move 64 to a left side, -13 - 64 = 7d

Step 2: -77 = 7d

Step 3: \frac{-77}{7} = d

Step 4: d = -11
4 0
3 years ago
Read 2 more answers
Help..... simply this fraction<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B22%7D%7B40%7D%20" id="TexFormula1" title=" \fra
dedylja [7]

Answer:

Reduce the expression, if possible, by cancelling the common factors.

Exact Form:

11/20

Decimal Form:

0.55

22/40

Factor 2 out of 22.

2(11)/40

Cancel the common factors.

Tap for more steps...

11/20

The result can be shown in multiple forms.

Exact Form:

11/20

Decimal Form:0.55

Step-by-step explanation:

Hope it is helpful....

7 0
3 years ago
Which parent function is represented by the graph?
Sergio [31]

Answer:

Linear

Step-by-step explanation:

pretty self explanatory

7 0
2 years ago
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Niobium-91 has a half-life of 680 years. After 2,040 years, how much niobium-91 will remain from a 300. 0-g sample? 3 g 18. 75 g
alekssr [168]

Answer:

Amount of Niobium-91 initially

= 300/91 =3.2967mol

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therefore, amount left = 0.4121mol

mass of Niobium-91 remaining = 0.4121 ×91 =37.5g

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8 0
2 years ago
13x−6y=22 x=y+6 ​ whats the answer
Vikentia [17]

Answer:

x = -2 y = -8

Step-by-step explanation:

13x - 6y = 22

x - y = 6

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13*-2 -6y=22

-26 -6y=22

-6y = 48

y = -8

answer: x = -2  y = -8

4 0
2 years ago
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