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3 years ago

How do I write the expression using exponents.8⋅w⋅w⋅w⋅w

Mathematics

1 answer:

pentagon [3]3 years ago

4 0

Answer:

8w^4

Step-by-step explanation:

hope this helps!

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Marla's breakfast was 525 calories. This was 35% of her total calories for the day. How many calories did she have that day?

wlad13 [49]

Answer:

1500

Step-by-step explanation:

525 is 35% of x, and we want to find x! (or, 100% of x)

So.

We set up an equation:

525 = 0.35x

How do we get to:

smth = 1.00x?

We divide both sides of the equation by 35, so it looks like this:

15 = 0.01x

And then we multiply both sides of the equation by 100, so it looks like this!

1500 = x

which means that Marla consumed 1500 calories that day.

Hope that helps!

8 0

3 years ago

Represent the following expressions in exponential form

Yakvenalex [24]

Answer:

You need to add the expressions. When you do I will edit my answer and give it to you.

8 0

3 years ago

Sistema de ecuaciones.5x+2y=-152x-2y=-6

Zolol [24]

Tnemos el sisema de ecuaciones:

$\begin{gathered} 5x+2y=-15 \\ 2x-2y=-6 \end{gathered}$

Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:

$\begin{gathered} (5x+2y)+(2x-2y)=(-15)+(-6) \\ 7x+0y=-21 \\ x=-\frac{21}{7} \\ x=-3 \end{gathered}$

Ahora podemos resolver para y con cualquiera de las dos ecuaciones:

$\begin{gathered} 2x-2y=-6 \\ 2\cdot(-3)-2y=-6 \\ -6-2y=-6 \\ -2y=-6+6 \\ -2y=0 \\ y=0 \end{gathered}$

Respuesta: x=-3, y=0

7 0

1 year ago

Solve the following equations using algebraic operations ( 4x-1=2x+11)

liq [111]

Answer:

x = 6

Step-by-step explanation:

4x-1=2x+11

Subtract 2x from each side

4x-2x-1=2x-2x+11

2x-1 =11

Add 1 to each side

2x-1+1 = 11+1

2x = 12

Divide by 2

2x/2 = 12/2

x = 6

6 0

3 years ago

Over the last 3 evenings, Yolanda received a total of phone 96 calls at the call center. The third evening, she received 4 times

Ulleksa [173]

Yolanda received 17 calls on first day, 11 calls on second day and 68 calls on third day.

Step-by-step explanation:

Given,

Total calls received = 96

Let,

x be the number of calls received on second day.

Calls received on first day = x+6

Calls received on third day = 4(x+6)

Sum of calls received on three days = Total

$x+(x+6)+4(x+6)=96\\x+x+6+4x+24=96\\6x+30=96\\6x=96-30\\6x=66$

Dividing both sides by 6

$\frac{6x}{6}=\frac{66}{6}\\x=11$

Calls received on first day = x+6 = 11+6 = 17 calls

Calls received on second day = x = 11 calls

Calls received on third day = 4(11+6) = 4(17) = 68 calls

Yolanda received 17 calls on first day, 11 calls on second day and 68 calls on third day.

Keywords: addition, linear expression

Learn more about linear expressions at:

#LearnwithBrainly

7 0

3 years ago