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Sloan [31]
3 years ago
7

27bc/36cd simplify. i will mark brainliest

Mathematics
1 answer:
AlekseyPX3 years ago
5 0
Both the numerator and denominator have a 9 and a "b" in common, so we can reduce the fraction to:

3c/4d
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#16 and #19 only <br> Please answer both as soon as possible.
Vlad1618 [11]

Answer:

1. it is not a direct variation because the value <em>k</em> is not kept throughout the ordered pairs

2. -a^5 - 2a³ + 2a², leading coefficient is -1

Step-by-step explanation:

1. to find the direct variation, we will use y/x = k with k representing our constant throughout the chart. if every value is equal to k, it is a direct variation

for this problem we will assume that the cup sizes are x and the cost is y

so the ordered pairs are (8, 0.90), (12, 1.35), (16, 1.80), and (24, 2.25)

.90/8 = 0.1125 <-- this is our <em>k</em> value for which every result has to be equal to

1.35/12 = 0.1125

1.80/12 = 0.1125

2.25/24 = 0.09375

since the value <em>k</em> was not kept throughout the ordered pairs, this is not a direct variation

2. the standard form of a polynomial is the exponents in descending order.

we have the following polynomial: 2a² - a^5 -2a³

to write it in standard form, we will go in descending order of the exponents. the largest exponent being first

-a^5 - 2a³ + 2a²

the leading coefficient of the polynomial is -1, as there is a negative sign in front of the newly formed polynomial

4 0
3 years ago
Please help me pleasssseeee &lt;3
Sophie [7]

Answer:

1st ans

(8x+19)=(9x+9)(vertically opposite angle)

19-9=9x-8x

x=10

2nd ans

(3x-31)=(x+59)(exterior alternate angle)

3x-x=59+31

2x=90

x=90/2

x=45

3rd ans

(5x-33)+(6x+4)=180(straight angle )

11x-29=180

11x=180+29

x=209/11

x=19

8 0
3 years ago
hue Lake Trail is 1 miles has hiked miles each hour for How far is she from the end of the an 7.3) o
KonstantinChe [14]
Gemma was hiking for 2 1/2 a hour for 3 hours so u have to multiply 2.5 by 3 and that gonna equal 7.5 so u leave that alone and come back to it later so u get 11 3/8 minus 7.5 and it gonna equal 3 7/8 and I hope that helped you
3 0
3 years ago
Hi I do not need the help but can I have it so here it is “There are 12 girls and 18 boys in a class. What is the largest number
PolarNik [594]
12 groups in a 1:1 ratio of boys:girls. there are only 12 girls so one in each group + 1 boy per group gives you 12 groups. with a remainder of 6 boys
8 0
2 years ago
Read 2 more answers
How do you solve the problem 7.8%15
snow_tiger [21]

Answer:

I suppose that's 7.8% of 15.

Step-by-step explanation:

7.8/100=0.078‬

0.078‬*15=1.17

7 0
3 years ago
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