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Katarina [22]
3 years ago
13

1

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Answer:

18 girls

Step-by-step explanation:

6:9

6+9 = 15

we multiply each part of the ratio by 3

6*3 = 18 girls

9*3 = 27 boys

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[ 1 ] check whether -3 and 3 are the zeroes of the polynomial x² - 9.
rusak2 [61]

Answer:

<h3>#1</h3>
  • x² - 9 = 0
  • x² = 9
  • x = ± √9
  • x = ± 3

Yes, -3 and 3 are zeroes of this polynomial

<h3>#2</h3>

<em>See attached graphs</em>

Zero's of a polynomial are the intersection of the graph with the x-axis.

They include coordinates as (x, 0), so the x-coordinates are zero's.

The attached shows the zero's.

<h3>#3</h3>

<em>See attached graphs</em>

Zero's of each polynomial are reflected in the graphs.

  • () y = x² - x - 6 has zeros x = -2 and x = 3
  • (ii) y = 6 - x - x² has zero's x = -3, x = 2

5 0
3 years ago
How does identifying the part in the whole help you write the percent proportion
julia-pushkina [17]
"part/whole is equal to percent proportion over 100%"
5 0
3 years ago
Question 2
svetoff [14.1K]

Answer:

  • A: 37/41

Step-by-step explanation:

<u>We can observe that:</u>

  • The difference of the second and third numbers is equal to 17
  • The difference of the first and fourth numbers is equal to 13

<u>Therefore the missing pair will be:</u>

  • 20+17 = 37 and 28 + 13 = 41

Correct choice is A

3 0
3 years ago
A water tank holds 12 gallons. How many full buckets of water will it take to fill the tank, if each bucket has capacity 3 quart
liraira [26]

Answer:

4 full buckets

Step-by-step explanation:

there are 4 quarts in a gallon, but it only holds 3. 12 divided by 3 is 4.

Hope it helped!

4 0
2 years ago
Read 2 more answers
What is the difference between -93 and 114 on a number line?
zhenek [66]
Distance:  7-(-3)=10 Midpoint:  (7+(-3))=4/2=2 hahaha haha thats right


3 0
3 years ago
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