What is a Punnett square and how is it used?

1 answer:

6 0

The Punnett Square is a diagram used to predict an outcome of what a specific cross or breeding experiment.
It is used by biologists to determine the probability of the offspring of having a genotype

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How do you find the perimeter and area of this shape?

mixas84 [53]

P = 12 + 6 + 8,5 = 18 + 8,5 = 26,5 mm

A = 12 × 4 / 2 = 48 / 2 = 24 mm²

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3 years ago

The amount of money that Mary earns varies directly with the number of hours worked. If Mary earns $320 for working 40 hours,

Nostrana [21]

Answer:

(c) 8

Step-by-step explanation:

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3 years ago

Rectangle ABCD is similar to rectangle RSTU .

Alenkasestr [34]

Answer:

The scale factor of a dilation from ABCD to RSTU is $\frac{1}{2}$

Step-by-step explanation:

We know that the rectangle ABCD is similar to rectangle RSTU.

Given that in rectangle ABCD the longest sides are DC and AB and in the rectangle RSTU the longest sides are UT and RS ⇒ The scale factor of a dilation will transform the sides DC and AB into UT and RS

Working with the lengths of the sides :

DC.(Scale factor) = UT

AB.(Scale factor) = RS

Replacing with the values of the lengths (Scale factor : SF) :

$DC.SF=UT\\(90ft).(SF)=45ft\\SF=\frac{45ft}{90ft} \\SF=\frac{1}{2}$