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2 years ago

Write (−3) (−3)(−3) (−3) using exponents.

Mathematics

2 answers:

Tanya [424]2 years ago

8 0

-3^4 (Three to the Fourth power)

Butoxors [25]2 years ago

4 0

Answer:

-3^4

Step-by-step explanation:

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1) What is the area of square of length 5cm?

ASHA 777 [7]

Answer:

20 is my answer and the question is somehow confusing

7 0

2 years ago

Resuelve el siguiente ejercicio:

exis [7]

Answer:

Cuanto dinero voy a pagar 24 $

Cuanto recibiré de cambio 76 $

Step-by-step explanation:

Mis compras son:

1 lápiz 3,50 $

2 plumas 7,90 $

1Libreta 12,60 $

Lo que quiere decir que compre:

3,50 + 7,90 + 12,60 = 24 $

Si cancelo mis compras con un billete de 100 $ me tienen que dar vuelto por:

100 $ - 24 $ = 76 $

5 0

3 years ago

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Consider the eq

Deffense [45]

To solve for x in terms of b, simply treat b as a number, and solve for x as usual: first of all, we expand the left hand side:

$-2bx+10 = 16$

Subtract 10 from both sides:

$-2bx = 6$

Divide both sides by -2b:

$x = \cfrac{6}{-2b} = \cfrac{-3}{b}$

This means that in particular, if we set $b= 3$ , we have

$x = \cfrac{-3}{3} = -1$

5 0

3 years ago

I don't know how to work this problem out

madam [21]

1/5(x-y) = 1
x+y = 9

x-y = 5 (x5)
x+y = 9

First you want to create both equations so at least one of the variables (x or y) are the same in both equations, so that is why I multiplied the top one by 5, you multiply the whole equation (both sides)

2x = 14
x = 7

Then you either Plus or minus one from the other, I plused the top one onto the bottom one, then solved for x

7 + y = 9
y = 2

Then put x back into one of the first two equations to get Y

4 0

3 years ago

Solve the following system of equations. 2x+y=3 I= 2y - 1 x= y=

marin [14]

Note: I am assuming your second equation is:

x = 2y - 1

Answer:

The solution to the system of equations is: