Suzy puts 2 slices of cheese on each sandwich. she makes 4 cheese sandwich. how many slices of cheese does Suzy use in all

Mathematics

2 answers:

leonid [27]3 years ago

8 0

if she has 4 sandwhiches and 2 slices of chesse on each you can multiply

4*2=8

nlexa [21]3 years ago

3 0

If she puts 2 slices in 4 sandwiches, the answer would be 8.

(4 x 2)= 8.

Hope this helps & good luck. :)

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5- -5 please someone I can use the help thank you!

QveST [7]

Answer:

-10 i think

Step-by-step explanation:

3 0

3 years ago

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Solve for x: −2(x + 3) = −2(x + 1) − 4. (1 point)

NeTakaya

Answer:

Hey there!

Let's solve our equation below.

-2(x+3)= -2(x+1)-4

Let's distribute the parentheses.

-2x-6=-2x-2-4

We combine like terms.

-2x-6=-2x-6

We add 6 to both sides.

-2x=-2x

We divide both sides by -2

x=x

If, when solving an equation, you get one number or variable that equals itself, there are infinitely many solutions.

We can plug anything into this equation and it will always equal to same things, since x is just equal to whatever x value you want.

Therefore, there are infinitely many solutions.

I hope this helps!

8 0

3 years ago

A trough has ends shaped like isosceles triangles, with width 5 m and height 7 m, and the trough is 12 m long. Water is being pu

Svet_ta [14]

Answer:

$\dfrac{dh}{dt}=21 \text{m/min}$

the rate of change of height when the water is 1 meter deep is 21 m/min

Step-by-step explanation:

First we need to find the volume of the trough given its dimensions and shape: (it has a prism shape so we can directly use that formula OR we can multiply the area of its triangular face with the length of the trough)

$V = \dfrac{1}{2}(bh)\times L$

here L is a constant since that won't change as the water is being filled in the trough, however 'b' and 'h' will be changing. The equation has two independent variables and we need to convert this equation so it is only dependent on 'h' (the height of the water).

As its an isosceles triangle we can find a relationship between b and h. the ratio between the b and h will be always be the same:

$\dfrac{b}{h} = \dfrac{5}{7}$