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2 years ago

How to do all these shown

Mathematics

1 answer:

klasskru [66]2 years ago

7 0

Answer:

$\frac{5\pi} {18} =50$ degrees

$40$ degrees to radians is $0.698132$ rads

Step-by-step explanation:

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Y varies directly as x. If x=7 then y = 56. Find ybwhen x=3

marshall27 [118]

When something varies directly as something else, their ratio of change always stays the same.

56 / 7 = 8

Therefore,

8 * 3 = 24

If x = 3 then y = 24

6 0

2 years ago

Plz simplefiy, no repeting answers. plz help!!

Iteru [2.4K]

Answer:

45). √ 147a⁴ = √ 147 × √a⁴ = (7√3 )x²

46.) √18x = √9 × 2x = 3√2x

47.) √80n = √16 × 5x = √16 × √5x = 4√5x

48.) √200x² = √200 × √x² =

√ 100× 2 × x =  (10√2)x

49.) √256x³ = √256 × √x³ =  16√x³

50.) -7 √ 75x⁴ = -7√75 × √x⁴

Hope this helps you

5 0

2 years ago

Your new cell phone plan costs $45 per month. You pay an extra $0.05 for every text message sent. If you send 60 texts this mont

rewona [7]

Answer: $48

Step-by-step explanation: take 0.05 times 60 + 45

6 0

2 years ago

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

RUDIKE [14]

Answer:

It represents growth, and the percentage rate of increase is of 8%

Step-by-step explanation:

Exponential equation:

An exponential equation has the following format:

$A(t) = A(0)(1 + r)^t$

In which A(0) is the initial amount and r is the rate of change, as a decimal. If positive, it is growth, if negative, it is decay.

In this question:

$y = 21(1.08)^x$

$1 + r = 1.08$

$r = 0.08$

Since r is positive, it represents growth, and the percentage rate of increase is of 0.08*100% = 8%

8 0

2 years ago

Which shows the given inequalities in slope-intercept

yan [13]

Answer:

I think the answer is A. I don't know

6 0

2 years ago