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kompoz [17]
3 years ago
13

Which expression is modeled by this arrangement of tiles?

Mathematics
2 answers:
Amanda [17]3 years ago
6 0
Answer is

<span>C.40/10

----------------</span>
lubasha [3.4K]3 years ago
6 0
The answer would be 40/10 because there are 4 blocks in each set, there are 10 sets, and all the blocks are positive.
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Two friends, Alejandra and Mia, agreed to split the check at a restaurant. Alejandra ordered $12 worth of food and Mia ordered $
dedylja [7]
12+18=30 so together they have $30.00 in all.
6 0
3 years ago
Solve 7x + 2 &lt; 9x - 4
Alexus [3.1K]

Answer:

\boxed{\bold{x>3}}

Step By Step Explanation:

Subtract 2 From Both Sides

\bold{7x+2-2

Simplify

\bold{7x

Subtract 9x From Both Sides

\bold{7x-9x

Simplify

\bold{-2x

Multiply Both Sides By -1 (Reverse Inequality)

\bold{\left(-2x\right)\left(-1\right)>\left(-6\right)\left(-1\right)}

Simplify

\bold{2x>6}

Divide Both Sides By 2

\bold{\frac{2x}{2}>\frac{6}{2}}

Simplify

\bold{x>3}

- Mordancy

5 0
3 years ago
Pls help i need it bad due to day
GrogVix [38]

Answer: ( x-4)(x+4)

Step-by-step explanation:

x2+4x-4x-16

x2+4x-4x-16

x(x+4)-4(x+4)

( x-4)(x+4)

4 0
3 years ago
1) f(x) = 2x + 4, g(x) = 4x2 + 1; Find (g ∘ f)(0).
Sholpan [36]

Answer:

<h2>(g \: \circ \: f)(0) = 17</h2>

Step-by-step explanation:

f(x) = 2x + 4

g(x) = 4x² + 1

In order to find (g ∘ f)(0) we must first find

(g ° f )(x)

To find (g ° f )(x) substitute f(x) into g(x) that's for every x in g(x) replace it with f(x)

That's

<h3>(g \: \circ \: f)(x) = 4( ({2x + 4})^{2} ) + 1 \\  = 4(4 {x}^{2}  + 16x + 16) + 1 \\  =  {16x}^{2}  + 64x + 16 + 1</h3>

We have

<h3>(g \: \circ \: f)(x) =  {16x}^{2}  + 64x + 17 \\</h3>

Now to find (g ∘ f)(0) substitute the value of x that's 0 into (g ∘ f)(0)

We have

<h3>(g \: \circ \: f)(0) = 16( {0})^{2}  + 64(0) + 17 \\</h3>

We have the final answer as

<h3>(g \: \circ \: f)(0) = 17</h3>

Hope this helps you

8 0
4 years ago
A motor with an efficiency of 75 percent must supply 240 j of useful work. What amount of work must be supplied to the motor.
andrey2020 [161]
E = 75% = 0.75,  Work Output = Useful Work = 240 J, Work Input = ?

Efficiency, E = Work Output / Work Input

0.75 = 240 / Work Input

Work Input = 240 / 0.75

Work Input = 320

Amount of work supplied = Work Input = 320 J

I hope this explains it.
3 0
3 years ago
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