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2 years ago

Please help I need it BAD

Mathematics

2 answers:

Molodets [167]2 years ago

8 0

1.)7:10
2.) 7/10=70%

9,853,430 times 100%
X. 70%
X= 9,853,430 •70/100
X=6,897,401 is 70%
6,897,401 would be expected to be above 48 g threshold

miss Akunina [59]2 years ago

6 0

Answer:

sry i just need the points

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4x+2y=6 please solve for y

harkovskaia [24]

Answer:

y=3-2x

Step-by-step explanation:

Move all terms that don't contain y to the right and solve.

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3 years ago

The gum you like is on sale. it is regularly priced at $1.59.

Gemiola [76]

Answer:

The required equation is c = 1.59 - s

Step-by-step explanation:

Here, s represents the sales price per pack and c represents the cost saving,

Also, the regular price per pack = $ 1.59,

Since,

Cost saving = Regular price - sales price

⇒ c = 1.59 - s

Which is the required equation that is used to determine how much money is saved if the pack is bought today.

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3 years ago

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Solve the given initial-value problem. the de is of the form dy dx = f(ax + by + c), which is given in (5) of section 2.5. dy dx

shutvik [7]

$\dfrac{\mathrm dy}{\mathrm dx}=\cos(x+y)$

Let $v=x+y$ , so that $\dfrac{\mathrm dv}{\mathrm dx}-1=\dfrac{\mathrm dy}{\mathrm dx}$ :

$\dfrac{\mathrm dv}{\mathrm dx}=\cos v+1$

Now the ODE is separable, and we have

$\dfrac{\mathrm dv}{1+\cos v}=\mathrm dx$

Integrating both sides gives

$\displaystyle\int\frac{\mathrm dv}{1+\cos v}=\int\mathrm dx$

For the integral on the left, rewrite the integrand as

$\dfrac1{1+\cos v}\cdot\dfrac{1-\cos v}{1-\cos v}=\dfrac{1-\cos v}{1-\cos^2v}=\csc^2v-\csc v\cot v$

Then

$\displaystyle\int\frac{\mathrm dv}{1+\cos v}=-\cot v+\csc v+C$

and so

$\csc v-\cot v=x+C$

$\csc(x+y)-\cot(x+y)=x+C$

Given that $y(0)=\dfrac\pi2$ , we find

$\csc\left(0+\dfrac\pi2\right)-\cot\left(0+\dfrac\pi2\right)=0+C\implies C=1$

so that the particular solution to this IVP is

$\csc(x+y)-\cot(x+y)=x+1$

5 0

2 years ago

Please help I am so confused lol. I’ll mark you the brainiest

ANTONII [103]

Answer:

Since the pentagon is regular, the line connecting the centre of the circle to the verticles (A,B,C,D,E) should inscribe an equal angle in them

You can see what I mean in the attachment

So to mark other points we follow the following steps

Connect OA
With OA as base, make angle of 72°. Say th new line is OB.
Similarly, do for the rest of them
This is a cyclic pentagon

Step-by-step explanation:

Hope this helps... Pls vote as brainliest

3 0

2 years ago

What two consecutive numbers have a sum of 53? Thanks! :P

Musya8 [376]

Let's the name the first number x and the consecutive number x + 1. The sum of both of these numbers equals to 53.

We now have our equation:

x + x + 1 = 53

Now solve for x.

x + x + 1 = 53
2x + 1 = 53 <-- Combine like terms
2x = 52 <-- Subtract 1 from each side
x = 26

So, the first number is 26 and the second number is 27.

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3 years ago

Read 2 more answers