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Marrrta [24]
3 years ago
14

Ten is five lees than three times a number. Write as an algebraic equation.

Mathematics
2 answers:
frutty [35]3 years ago
8 0
Ten is five less than three times a number:
3x-5=10
shutvik [7]3 years ago
5 0
Is means equals. The number before the words Less than means that number is subtracted from that number. 3 times a number, we don’t know the number so we use a variable, 3x. So..........






3x-5=10
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Please answer me this question ​
Jobisdone [24]

Answer:

x = 2

y = 3

Step-by-step explanation:

\left \{ {{0.4x + 0.3y = 1.7} \atop {0.7x - 0.2y = 0.8}} \right.

\left \{ {{2(0.4x + 0.3y) = 2 * 1.7} \atop {3(0.7x - 0.2y) = 3 * 0.8}} \right.

\left \{ {{0.8x + 0.6y = 3.4} \atop {2.1x - 0.6y) = 2.4}} \right.

2.9x = 5.8

29x = 58

x = 2

0.3y + 0.4x = 1.7

0.3y + 0.4 * 2 = 1.7

0.3y + 0.8 = 1.7

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4 0
3 years ago
18 - 2 x (4 + 3)<br> Pls help
Andreas93 [3]

Answer: 4

Step-by-step explanation:

5 0
3 years ago
5/10 + 1/5 = ??<br><br> Simplify answer fully
Andreyy89
Multiply the second fraction by two; which gets you 5/10 + 2/10 = 7/10
6 0
3 years ago
PLEASE ANSWER FAAST!! A car wheel has a diameter of 20.8 inches. About how far does the car travel in 5 rotations?
SCORPION-xisa [38]

Answer:

65.312 inches

326.56 inches

1959.36 inches

Step-by-step explanation:

Given

d = 20.8 inches

To find

Travel in 1, 5, 30 rotations

Solution

Circumference of the wheel is equal to one full rotation

C = πd = 3.14*20.8 = 65.312 inches

5C = 5*65.312 = 326.56 inches

30C = 30*65.312 = 1959.36 inches

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Any of these please I’m having difficulty
frosja888 [35]

Answer:

864 squared meters

Step-by-step explanation:

Set up a proportion.  The scale between 270 and 360 should be the same as 648 to the fourth yard.

\frac{270}{360} = \frac{648}{x}\\270x = (360)(648)\\270x = 233280\\x = 864 m^2

7 0
3 years ago
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