Use a calculator to work out: (1dp) 2.3 x 6.82 -------------- 7.74 - 1.09 that is a fraction by the way

Mathematics

2 answers:

Arte-miy333 [17]3 years ago

6 0

Answer:

2.3588

Step-by-step explanation:

Assuming your problem is: $\frac{2.3(6.82)}{7.74-1.09}$

We multiply the top and subtract the bottom, then divide the results together in the calc.

Rounded to 1 decimal place: 2.4

kirill [66]3 years ago

3 0

Answer:

≈2.36 (read below to make sure.)

≈2.4 (rounded to the tenths place)

Step-by-step explanation:

I'm assuming "--------------" is the fraction symbol.

$\frac{2.3*6.82}{7.74-1.09}=\\\\\frac{15.686}{6.65}=\\\\2.3587969924812030075187969924812$

≈2.36

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Purple flower color is dominant to white flower color. If pure-breeding purple flowering plants are crossed with pure-breeding w

Kruka [31]

Answer:

The phenotypic ratio of the offspring will be 100% of purple flowers.

Step-by-step explanation:

Mendel's first law states that if two pure lines are crossed for a given character, the descendants of the first generation will all be equal to each other, phenotypically and genotypically, and phenotypically equal to one of the parents (of dominant genotype).

The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.

We represent the possibilities of hybridization using a Punnett square in the attached picture.

Uppercase letters represent dominant alleles and lowercase letters represent recessive alleles.

Homozygous individuals have the same pair of alleles. (AA, aa)

We can verify that all offspring have a dominant allele, therefore all offspring will have purple flowers.