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horsena [70]
3 years ago
9

What is the LCD of 7/25 and 9/10

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
7/25, 9/10
For the denominators (25, 10) the least common multiple (LCM) is 50.

Therefore, the least common denominator (LCD) is 50.

14/50, 45/50
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Determine the answer to (−3) + (−5) and explain the steps using a number line
ASHA 777 [7]

Answer:

-8

Step-by-step explanation:

When adding a negative number on a number line, we move to the left. This is because adding a negative number is the same as subtracting. If we start at -3 and move 5 to the left, we will end at -8.

8 0
3 years ago
Which statement accurately describes the relationship between mass and inertia?
Andreyy89
D mass is proportional to 1/inertia2
8 0
3 years ago
80 X 5,000
Tresset [83]
80x5,000 is 400,000. Not sure what you're asking though.
6 0
3 years ago
3x - 5y = 14 and – 2x + 2y = 0
zubka84 [21]

Answer:

x=5.6

y=-5.6

Step-by-step explanation:

3x - 5y = 14 Equation 1

– 2x + 2y = 0 Equation 2

Simultaneous equation can be solved either through elimination method or substitution method. But we use elimination method for this question

Multiply equation 1 by -2 (the coefficient of x in equation 2) and multiply equation 2 with 3 (the coefficient of x in equation 1), so that x will have the same coefficient in the new equations, and easy to eliminate

-2(3x - 5y = 14)

-6x+10y=-28 Equation 3

3(– 2x + 2y = 0)

-6x+6y=0 Equation 4

Subtract equation 4 from 3 to eliminate x

-6x+10y=-28

-6x+6y=0

-6x-(-6x)=-6x+6x=0

10y-6y=5y

-28-0=-28

5y=-28

y=-28/5

y=-5.6

Substitute for y in equation 2

– 2x + 2y = 0

– 2x + 2(-5.6) = 0

-2x-11.2=0

-2x=11.2

x=-11.2/2

x=5.6

7 0
3 years ago
Simplify the following expression using only positive exponents. Help please!? It has to be only positive exponents the -9/7t an
wlad13 [49]
(-9t^25) / (7t^26) = -9 / (7t)

8 0
3 years ago
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