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Mashcka [7]
3 years ago
7

A relation contains the points (-5, -10), (-2, -4), (-1, -2), (4, 8) and (5,10). Is this a function? Explain.

Mathematics
1 answer:
alex41 [277]3 years ago
7 0
This is a function because all the x values are different automatically making it a function. But if there were two of the same x values and they had different y values it wouldn’t be a function. Hope that makes sense!
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50% prefferd fruit cake 1/5 preferred spong and the remainder preferred cheesecake
d1i1m1o1n [39]

The percentage of people who preferred cheesecake if 50% prefferd fruit cake 1/5 preferred sponge is 40%.

<h3>Percentage</h3>

  • Total percentage = 100%
  • Fruit cake = 50%

Percentage remaining = 100% - 50%

= 50%

Sponge cake = 1/5

Percentage of sponge cake = 1/5 × 50%

= 1/5 × 0.5

= 10%

Percent that likes cheesecake = Total - (fruits cake + sponge cake)

= 100% - (50% + 10%)

= 100% - (60%)

= 40%

Therefore, the percentage of people who preferred cheesecake if 50% prefferd fruit cake 1/5 preferred sponge is 40%.

Learn more about percentage:

brainly.com/question/843074

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4 0
2 years ago
HELP keep saying im getting wrong<br><br>instruction find the perimeter of the polygon​
Ksju [112]

Answer:

perimeter = 50

Step-by-step explanation:

Tangents to a circle from an external point are congruent , then

perimeter = (8 + 8) + (10 + 10) + (7 + 7) = 16 + 20 + 14 = 50

7 0
3 years ago
The perimeter of a triangle is 30 units. If it is dilated with respect to origin by a scale factor of 0.5, what is the perimeter
il63 [147K]
<span>Choices: 30 units ; 20 units ; 15 units ;  7.5 units

Given:
perimeter = 30 units
scale factor = 0.5

30 units * 0.50 = 15 units

The perimeter of the resulting triangle is 15 units.</span>
6 0
3 years ago
What is the length of BC? If your answer is not an integer, leave it in simplest radical form?
nexus9112 [7]
ANSWER

|BC|=12\sqrt{2}\: ft

EXPLANATION

The given right triangle is an isosceles triangle because

m \: < \: B = 45 \degree = m \: < \: C
This implies that,

|AB|=12ft=|AC|

From the Pythagoras Theorem,

|BC|^2=|AB|^2+|AC|^2

|BC|^2= {12}^{2} + {12}^{2}

|BC|^2=2 \times {12}^{2}

|BC| = \sqrt{ {12}^{2} \times 2 }

|BC|=12\sqrt{2}\: ft
7 0
3 years ago
Read 2 more answers
X-11=90 what is the value of X
lapo4ka [179]
Add 11 to each side. X = 90+11
X = 101
6 0
2 years ago
Read 2 more answers
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