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OLga [1]
3 years ago
10

Help pleassssssssssss

Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0
A) The correct way to write 1/4 as a precent is 25%.

because....

1÷4= .25. and .25×100= 25%

b) The reporter most likely forgot to multiply by 100. The reporter instead just found what 1/4 was as a decimal, not a precent.
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Find the obtuse angle the line y-2x=7 makes with the x- axis
Kazeer [188]
In analytical geometry, there are already derived equations to find the distance of lines and points as well as the angle made between two lines. As special case is when the other line is one of the coordinate axis. Then, the formula can be simplified to

tan θ =m, where m is the slope of the equation

In the next step, we also incorporate operations of calculus. Since the slope is equal to Δy/Δx, this is equivalent to dy/dx in calculus. Therefore, you can find the slope by differentiating the equation in terms of x.

<span>y-2x=7
y = 2x+7
dy/dx = 2 =m

So,

tan </span>θ = 2
θ = tan⁻¹(2)
θ = 63.43°
5 0
3 years ago
Say youre going to conduct a t procedure for the difference between the means of two populations. You decide the samples of size
stiv31 [10]

Answer:

all 3 are correct.

I

II

III

you're welcome

6 0
3 years ago
eryn and seven of her freinds go out to lunch the bill comes out 143.35 and they leave a 15% tip how much does each freind contr
babunello [35]

Answer:

$ 23.55

Step-by-step explanation:

143.35*.15=21.5025 + 143.35 = $164.8525/7 = $ 23.5503571429

7 0
3 years ago
Help please :))))))))​
docker41 [41]

Answer: 35/24 is the answer for the first part only.

Use calculator soup on google search to answer the rest.

Step-by-step explanation:

3 0
3 years ago
6% of $35 is $_____?
Molodets [167]

answer: 2.1%

p/w=%/100

?/35=6/100

35×6=210

210÷100

2.1

Hope this helps! Plz mark as brainliest! :)

8 0
3 years ago
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