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PSYCHO15rus [73]
3 years ago
6

1. Write your answer using only positive exponents. a. (3x2)(2x-3)

Mathematics
2 answers:
Mkey [24]3 years ago
5 0

Answer:

Brainliest!

Step-by-step explanation:

see picture

-math    

way

nata0808 [166]3 years ago
3 0

Answer:

6/x

Step-by-step explanation:

(3x^2)(2x^-3)

Multiply the coefficients

3*2 = 6

Add the exponents

x^2 * x^-3 = x^(2-3) = x^-1

We know that a^-b = 1/ a^b

6 x^-1 = 6 * 1/x^1 = 6/x

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1. whats the midpoint between (7,3) and (-3,-1)
Elanso [62]

Answer:

(2, 1 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2}, \frac{y_{1}+y_{2}  }{2} )

Here (x₁, y₁ ) = (7, 3) and (x₂, y₂ ) = (- 3, - 1) , then

midpoint = ( \frac{7-3}{2}, \frac{3-1}{2} ) = ( \frac{4}{2}, \frac{2}{2} ) = (2, 1 )

5 0
3 years ago
Mandy is selling pancakes and waffles at her diner. On Monday she sold a total of 300 pancakes and waffles. If she charges $3 pe
elena-s [515]

Answer:

Mandy sold 250 pancakes and 50 waffles.

Step-by-step explanation:

From the information given, you can say that the sum of pancakes and waffles is equal to 300:

x+y=300

Also, the statement indicates that she charges $3 per pancake, $1 per waffle, and made a total of $800 and you can express this as:

3x+y=800

You have the following equations:

x+y=300 (1)

3x+y=800 (2), where:

x is the number of pancakes she sold

y is the number of waffles she sold

Now, you can solve for x in (1):

x=300-y (3)

Then, you can replace (3) in (2):

3(300-y)+y=800

900-3y+y=800

900-800=2y

100=2y

y=100/2

y=50

Finally, you can replace the value of y in (3) to find x:

x=300-50

x=250

According to this, the answer is that Mandy sold 250 pancakes and 50 waffles.

5 0
2 years ago
What is the latter of A- B=
ira [324]

Answer:

A???

Step-by-step explanation:

i don't understand the question

but i feel like the question you just asked is 1-2 =

i hope this helped

(i doubt it did)

7 0
3 years ago
Read 2 more answers
Which of the following expressions is equal to -12 ?
Ierofanga [76]

Answer:

c. 5 - 17

Step-by-step explanation:

a. -15 - 3 = -18

b. -3 - (-9) = 6

c. 5 - 17 = -12

d. -6 - (-6) = 0

6 0
3 years ago
Read 2 more answers
So umm help i really need it it goes on my rep
scZoUnD [109]

Answer:

a

Step-by-step explanation:

8 0
3 years ago
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