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liberstina [14]
3 years ago
14

What is the prime factorization of 640 using exponents?

Mathematics
1 answer:
bogdanovich [222]3 years ago
5 0
<span>2x2=4x2=8x2=16x2=32x2=64x2=128x5=640 which is 2*2*2*2*2*2*2*5</span>
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Ed bus a box of eggs costing £2.30, two packs of bacon for £2.60 each and two tins of baked beans. He pays with a £10 note gets
kirill115 [55]

Answer:

£0.85 for each

£1.70 for both

Step-by-step explanation:

Variable x = cost of baked beans

2.30 + 2(2.60) + 2x = 10 - 0.80

Use PEMDAS

2.30 + 5.20 + 2x = 10 - 0.80

7.50 + 2x = 9.20

Subtract both sides by 7.50

2x = 1.70

Divide both sides by 2 to isolate the variable

x = 0.85

Let's check our work by plugging this into our original equation

2.30 + 2(2.60) + 2(0.85) = 10 - 0.80

2.30 + 5.20 + 1.70 = 10 - 0.80

7.50 + 1.70 = 9.20

9.20 = 9.20

Our number is correct

7 0
3 years ago
An unknown number y is 20 more than an unknown number x. The number y is also x less than 2. The equations to find x and y are s
KatRina [158]

The graph is given below. Then the intersection point will be (-9, 11).

<h3>What is the linear system?</h3>

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

An unknown number y is 20 more than an unknown number x.

The number y is also x less than 2.

The equations to find x and y are shown below:

y = x + 20 ...1

y = −x + 2 ...2

Add both equations, then we have

2y = 22

 y = 11

Then put the value of y in equation 1, then we get

11 = x + 20

x = 11 - 20

x = -9

Then the intersection point will be (-9, 11)

More about the linear system link is given below.

brainly.com/question/20379472

#SPJ1

4 0
2 years ago
I need this quick, anyone got the answer?
KIM [24]

Answer:

y=x2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Evaluate 5x/y^2 for each of the following combinations , 1. X=-2,y=-4.
tankabanditka [31]

\frac{5x}{y^2}\\\\\frac{5(-2)}{-4^2} = \frac{-10}{16}=-\frac{5}{8}\\\\\frac{5(0)}{-4^2}=\frac{0}{16}=0\\\\\frac{5(-4)}{0^2}=\frac{-20}{0}=∅

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

6 0
4 years ago
Does this table represent a function? Why or why not?
nordsb [41]

no the x and y axis both have repeating numbers

8 0
3 years ago
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