3 years ago

What equation is equivalent to -3 x + y equals 5 why is -3

Mathematics

1 answer:

wariber [46]3 years ago

5 0

-3x+y=5 is equivalent to y=-3x+5

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Last week Martha sold brownies. And cookies at a back sale she sold 60 bowlines and 42 cookies on Saturday and 28 brownies and 5

elena55 [62]

Answer:

Martha earns $65.6 over the weekend.

Step-by-step explanation:

Brownies sold by Martha on Saturday = 60

Cookies sold by Martha on Saturday = 42

Brownies sold by Martha on Sunday = 28

Cookies sold by Martha on Sunday = 54

Total brownies sold by Martha over the weekend = $60+28=88$

Total cookies sold by Martha over the weekend = $42+54=96$

Cost of a brownie = $0.20

Cost of a cookie = $0.50

Total cost of brownies sold over the weekend = $88\times \$0.20 = \$17.6$

Total cost of cookies sold over the weekend = $96\times \$0.50 = \$48$

∴ Total money Martha earned over the weekend = $\$17.6+\$48=\$65.6$ (Answer)

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3 years ago

May someone please help me with this :)

CaHeK987 [17]

1. The perimeter = 3.7 + 3.7 + 2.8 + 2.8
= 13
The area = 3.7 * 2.8 = 10.36

2. Perimeter = 11.2
Area = half base times height
2.6 * 1.5 = 3.9 squared

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2 years ago

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Hello! can someone tell me the answer for 4/5 x (- 5/7) please? ty <3

lesya692 [45]

Answer:

0.8*x*(‑5)/7

Step-by-step explanation:on the qraph

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2 years ago

7=2(x+5) hellppppppppp

ExtremeBDS [4]

0 = x because 0 + 5 = 5 plus 2 = 7

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2 years ago

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This week, Ivania ran a total of 20 km, which is 6.5 km farther than she ran last week. If w represents the number of kilometers

NARA [144]

Answer:

Step-by-step explanation:

6.5 + w = 20

13.5 km

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3 years ago