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3 years ago

Please someone help please

Mathematics

2 answers:

horsena [70]3 years ago

5 0

Answer:

Its just to subtract and thats all.

Oksanka [162]3 years ago

3 0

Answer:

subtract

Step-by-step explanation:

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Bryce made a scale drawing of a shopping center. The scale of the drawing was

Zinaida [17]

Answer:

I'm pretty sure the answer is 40.

Step-by-step explanation:

1:4 meaning

1-10 inches

10 x 4 equals 40ft.

Because of the scale being 1:4 .

4 0

3 years ago

Assume that x equals x (t )and y equals y (t ). Let y equals x cubed plus 4 and StartFraction dx Over dt EndFraction =2 when xe

nika2105 [10]

Answer:dy/dt(x=3)=54

Step-by-step explanation:

We know that we can write:

$\frac{dy}{dt}=\frac{dy}{dx} *\frac{dx}{dt}$

and so evaluate it as a product of functions, that is for a given value of x or t, we get that

$\frac{dy}{dt}(s)=\frac{dy}{dx} (s) * \frac{dx}{dt}(s)$ .

Now we are told that:

$1. x=x(t),\ 2.y=x^3+4,\ \frac{dx}{dt} =2,\ for \ x=3,$

whenever it happens, this means the influence of t is hidden, and we only consider the result, that is, how much is x when the derivative has the value of 2, we are not concerned for what value of t it happens, since we get all the necessary information beforehand.

Now we need to calculate

$\frac{dy}{dx}=3x^2 \rightarrow \frac{dy}{dx}(3)=3(3)^2=27$ .

Therefore

$\frac{dy}{dt}(x=3)=\frac{dy}{dx} (x=3) * \frac{dx}{dt}(x=3)$ or

$\frac{dy}{dt}(x=3)=27 *2 = 54$ .

7 0

4 years ago

Candice is decorating a ballroom ceiling with garland. The width of the rectangular ceiling is 30 meters and the diagonal distan

Vsevolod [243]

Answer:

16 meters

Step-by-step explanation:

Candice is decorating a ballroom ceiling with garland. The width of the rectangular ceiling is 30 meters and the diagonal distance from one corner to the opposite corner is 34 meters. How much garland will Candice need for the length of the ceiling

The formula to solve for the above question is:

Diagonal² = Width² + Length²

34² = 30² + L²

Collect like terms

L² = 34² - 30²

L = √34² - 30²

L = √(256)

L = 16 meters

Therefore, the length of the ceiling is 16 meters

5 0

3 years ago

Anybody good with logs? <br> Simplify the expression completely. <br><br> 10^log(8AB)

levacccp [35]

$Use\ n^{\log_na}=a;\ \log_{10}x=\log x\\\\10^{\log(8AB)}=8AB\\\\Domain:A > 0\ \wedge\ B > 0$

4 0

4 years ago

Wyatt is training for a race. He will run 3/4 of a mile a day for 8 days. How far will Wyatt run altogether?

AlladinOne [14]

Answer:

6 miles all together in them 8 days

Step-by-step explanation:

3/4 times 8

4 0

3 years ago

Read 2 more answers