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maria [59]
3 years ago
15

Is Is y=2x+7 proportional?

Mathematics
1 answer:
inn [45]3 years ago
7 0

Answer:

no

Step-by-step explanation:

Proportional must go through (0,0)

0 = 2(0) +7

0 = 7

This is not true so this is not proportional

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Square root of 50 + square root of 18
skelet666 [1.2K]

if ya asking for simpliicatio

remember that \sqrt{ab}=(\sqrt{a})(\sqrt{b})

and

\sqrt{a^2}=(\sqrt{a})(\sqrt{a})=a

\sqrt{50}+\sqrt{18}=

factor

(\sqrt{2})(\sqrt{5})(\sqrt{5})+(\sqrt{2})(\sqrt{3})(\sqrt{3})=

(\sqrt{2})(5)+(\sqrt{2})(3)=

5\sqrt{2}+3\sqrt{2}=

8\sqrt{2}

5 0
3 years ago
Pls help me with this and an explanation
SCORPION-xisa [38]

Answer:

The relationship in this equation is linear, but not proportional. If it was proportional, then replacing x with nx should give ny as the answer. Example:

y = 3x

Replace x with 2x.

y' = 3(2x) = 2(3x) = 2y

y' = 2y

This is proportional. But if you replace x with 2x in

y = 3x + 5,

you will not get 2y for y'. This case is not proportiona

5 0
2 years ago
Read 2 more answers
Bob has 8 more dimes than quarters if he has a total of $4 .30, how many of each coin dies he have?
attashe74 [19]
The answer is $5.10
4 0
3 years ago
What is 38 ÷ 1,558 equal to ?
Wittaler [7]
The answer is about 0.02439.
I simply just put it into the calculator.
4 0
3 years ago
What is the equation of the linear function in standard form that has a slope of -4 and a y-intercept of -5?
Anastaziya [24]

Step-by-step explanation:

y-Intercept = (0 , -5)

Slope / m = -4

y - y1 = m(x - x1)

y + 5 = -4(x - 0)

y = -4x - 5 → Equation

6 0
2 years ago
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