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S_A_V [24]
2 years ago
9

Evaluate the expression 10x - 4y if x = -2 and y = 1.

Mathematics
1 answer:
lyudmila [28]2 years ago
6 0

For this just simply substitute the values with the corresponding variable.

10(-2)-4(1)

-20-4

-24 is your answer for the expression

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The ratio between 7 in and 10 ft
motikmotik
7:120 i think thats what its asking
3 0
4 years ago
Solve : x/3-2/5 = 2x/15-3/5
Ronch [10]
Solution:

x/3-2/5 = 2x/15-3/5

(x/3)/15 - (2/5)/15 = (2x/15)/15 - (3/5)/15
5x - 6 = 2x - 9
5x = 2x - 9 + 6
5x - 2x = -9 + 6
3x = -3
3x/3 = -3/3
x = -1

Therefore the value of x is -1


8 0
3 years ago
A box of shredded wheat wheat weighs 0.35 .kg and a box of weetabix weighs 9/25 kg. Which box is heavier? Show your work.
MAXImum [283]

Answer:

weetablx is heavier

Step-by-step explanation:

lets simplify

wheat wheat - 0.35 kg

weetablx - 9/25

simplify into decimals

wheat wheat- 0.35 kg

weetablx- 0.36 kg

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7 0
4 years ago
12 points. show work
nikdorinn [45]

Answer:

t=-1

Step-by-step explanation:

9-t=-2t+8  add t to both sides and subtract 8 from both sides

1=-t

1/-1=-t/-1

-1=t

5 0
3 years ago
I really need help on this
Naya [18.7K]

Answer:

armani

Step-by-step explanation:

every number in the first column times 1.50 will be the number in the second column

4 0
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