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vaieri [72.5K]
3 years ago
12

Card 3 of 7

Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:

Step-by-step explanation7:

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Please help me on this math question
skelet666 [1.2K]

Answer:

x = 6 , y = 3

Step-by-step explanation:

x− 2 y = 0 ⇒ x = 2 y  

Substitute x=2y into 4x-3y=15, we get : 4 ( 2 y ) − 3 y = 15

8 y− 3 y = 15  5 y = 15 ⇒ y = 3  x = 2 y = 2 × 3 = 6

8 0
3 years ago
Simplify the following expression. 4.5908 divided by 0.998
lyudmila [28]

Answer:

4.6

Step-by-step explanation:

Hope this helps.

7 0
3 years ago
1. -4x +5 &gt; -5<br> I need help
mojhsa [17]

Step-by-step explanation:

-4x+5>-5

    -5   -5

-4x>-10

/-4   /-4

x<2/5

You switch the sign whenever you divide a negative. In this case, we did, so instead of it being x>2/5, the answer is x<2/5.

hope it helps! :3

6 0
3 years ago
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Which expression is equivalent to this polynomial expression? (2x2-3y2)(4x4+6x2y2+9y4)
Lelechka [254]

Answer:

8x^6-27y^6

Step-by-step explanation:

simplify the expression

3 0
3 years ago
Jackson bought 3 pounds of candies for $9.75. c What was the price of these candies in cents per ounce?
Vladimir79 [104]
Jackson bought 3*16 = 48 ounces for 975 cents. The unit price in cents per ounce is ...
   975 cents/(48 oz) = 20.3125 cents/oz
7 0
3 years ago
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