2 years ago

Two_ diagrams are_ equivalent when hey have a place fro all the same items.

Mathematics

1 answer:

Volgvan2 years ago

3 0

Two Venn diagrams are not equivalent when they have a place for all the same items.

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1. Factor the trinomial: x2 - 7x - 8

telo118 [61]

1. A

-8+1=7 and 8*1=8

2. A

-5*8= -40 and 8-5= 3

7 0

2 years ago

This is a sketch of the curve with equation y = f(x).

Katen [24]

Answer:

We have to use the formule to calculate the vertex which is: V(-b/2a;4ac-b^2/4a)

A) y=x+7 where a=1 b=0 and c=7

By replacing we have: V(0;28/4) V(0;7)

B) y=-x where a=-1 b and c=0 so V(0,0)

6 0

2 years ago

{(1,3), (2, 5), (3,-4), (4, -3), (5, -1)} The above is DONE<br><br>Function or not a Function?

Hoochie [10]

Answer:

Yes it is a Function

Step-by-step explanation:

Because there are no same x-values with the same y-values

3 0

2 years ago

In a survey of 468 registered voters, 152 of them wished to see Mayor Waffleskate lose her next election. The Waffleskate campai

wariber [46]

Answer: b. Yes

Step-by-step explanation: Confidence Interval for a population proportion is calculated as:

p ± $z\sqrt{\frac{p(1-p)}{n} }$

where

p is the sample proportion

n is sample size

z is z-score, in this case, as it is 95%, z-score=1.96

Calculating confidence interval:

$p=\frac{152}{468}$

p = 0.3248

0.3248 ± $1.96\sqrt{\frac{0.3248(0.6752)}{468} }$

0.3248 ± $1.96\sqrt{0.000468}$

0.3248 ± 0.0425

Interval: 0.2823 < μ < 0.3673

The interval means we are 95% sure the true mean is between 0.2823 and 0.3673. As the campaign claims a proportion of no more than 0.32 of the voters wants to see Mayor Waffleskate defeated and the number is in the confidence interval, the claim is supported.

4 0

2 years ago

Help please! I will give brainliest thank you!

zmey [24]

Answer:

1. 8

2.0.8

3. 1.4

4 0

2 years ago

Two___ diagrams are___ equivalent when hey have a place fro all the same items.

Two_ diagrams are_ equivalent when hey have a place fro all the same items.