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3 years ago

How to do this helppp ! i need this for my finals

Mathematics

1 answer:

ruslelena [56]3 years ago

7 0

Answer:

9. 168

10.

$3 {x}^{2} - 14x - 24$

Step-by-step explanation:

on the picture

if it's helpful ❤❤❤

THANK YOU.

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Please answer this correctly without making mistakes

Artyom0805 [142]

Answer:

6 tbsp and 2 tsp

Step-by-step explanation:

Hope this helps!

5 0

2 years ago

A right rectangle prism has a length of 5 cm a width of 4 cm and a height of 3 cm the dimensions of the prism are doubled what i

IRISSAK [1]

Answer: 376 cm^2

Step-by-step explanation:

First you would double all the dimensions:

l = 5 cm x 2 = 10 cm

w = 4 cm x 2 = 8 cm

h = 3 cm x 2 = 6 cm

The formula for finding the surface area of a rectangular prism is A=2(wl+hl+hw)

Substitute the values:

A=2(8*10+6*10+6*8)

Solve using PEMDAS:

A=2(80+60+48)

A=2(188)

A=376

Surface area is always in units^2:

376 cm^2

5 0

3 years ago

Need help please.

nikdorinn [45]

Answer:

See diagram below

Step-by-step explanation:

I added the picture but not sure if you can see it? Hope it helps!

4 0

3 years ago

Help please if you can don’t answer if you can’t

Bogdan [553]

9514 1404 393

Answer:

280 miles

Step-by-step explanation:

"Initial" usually refers to the value at x=0. Here, the dot is on 280 miles when x=0 days.

The initial amount of miles the car can travel is 280 miles.

6 0

3 years ago

Write the equation of the parabola that has the vertex at point (2,-11) and passes through the point (0,5).

aleksandr82 [10.1K]

$~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}$

$\stackrel{vertex}{(\stackrel{h}{2}~~,~~\stackrel{k}{-11})}\qquad y=a(x-2)^2-11\qquad \qquad \textit{we also know that} \begin{cases} x=0\\ y=5 \end{cases} \\\\\\ 5=a(0-2)^2-11\implies 16=4a\implies \cfrac{16}{4}=a\implies 4=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=4(x-2)^2-11~\hfill$

7 0

2 years ago