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2 years ago

Given the points (9,9) and (-6, -10) find the slope. m =

Mathematics

2 answers:

BaLLatris [955]2 years ago

8 0

Answer: $\frac{19}{15}$ or 1.26667

Step-by-step explanation:

m=rise over run=Δy over Δx

m=y2−y1x2−x1

m=−10−9−6−9

m=−19−15

m=19/15

Ivanshal [37]2 years ago

5 0

1. Observe question

2. Employ Point-Slope formula

(y2 - y1)/(x2 - x1 )=

(-10-9)/(-6-9) =

-19/-15=

19/15

Slope: 19/15

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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.

7 0

3 years ago

In 6 years, Mariya will be as old as Vikram is now. In 2 years, Vikram will be three times older than Mariya. Find their ages no

Damm [24]

Answer:

Mariya is 1 year old

Vikram is 7 years old

Step-by-step explanation:

Here, we want to know the present ages of Mariya and Vikram.

Let the present age of Mariya be M and the present age of Vikram be V

From the question, we are told that in 6 years time, Mariya will be as old as Vikram is now

Thus, mathematically;

M + 6 = V ••••••(i)

Furthermore , in 2 years time Vikram will be 3 time older than Mariya

Mathematically;

( V + 2) = 3( M + 2)

V + 2 = 3M + 6

V = 3M + 6-2

V = 3M + 4 •••••••(ii)

So let’s equate the V

3m + 4 = m + 6

3m -m = 6-4

2m = 2

m = 1

But V = m + 6

V = 1 + 6

V = 7

3 0

3 years ago

Choose all that give the correct expression for the quantity described. The difference of nine times a number x and the quotient

ohaa [14]

Step-by-step explanation:

We are to get the expression for the following statements;

1) The difference of nine times a number x and the quotient of that number and 5.

The product of nine and a number x is expressed as;

$=9 \times x\\= 9x$

The quotient of that number and 5.

$= \frac{x}{5}$

The difference between both expression;

$9x - \frac{x}{5}$

Hence, the difference of nine times a number x and the quotient of that number and 5 is expressed as $9x - \frac{x}{5}$

2) Eight more than the quotient of twelve and a number n

Quotient of twelve and a number n is expressed as:

$\frac{n}{12}$

Eight more than the resulting function is;

$\frac{n}{12}+8$

Hence eight more than the quotient of twelve and a number n is expressed as $\frac{n}{12}+8$

3) The product of a number and the quantity 'six minus the number' plus the quotient of eight and the number.

Let the number be x:

six minus the number is expressed as;

$6-x$

product of a number x and the quantity 'six minus the number is;

$x(6-x)$

quotient of eight and the number is;

$\frac{8}{x}$

Taking the resulting sum of the last two expression

$x(6-x) + 8x$

Hence the product of a number and the quantity 'six minus the number' plus the quotient of eight and the number is expressed as;

$x(6-x) + 8x$

4) Sum of three consecutive even integers. 2x + (2x + 2) + (2x + 4).

Let the first even number be 2x

The consecutive even numbers are gotten by adding 2 to the preceding number. The two consecutive even integers are 2x+2 and 2x+2+2

the sum of three consecutive even integers is expressed as;

$= 2x +(2x+2)+(2x+2+2)\\= 2x+(2x+2)+(2x+4)$

4 0

3 years ago

If f(x) = 2/3 x-6, what is the value of f(-9)?

Keith_Richards [23]

Answer:

-12

Step-by-step explanation:

f(-9) = 2/3(-9) + (-6)

f(-9) = -6 + (-6)

4 0

2 years ago

What value of d makes the equation 5d-3=2d+6 true?<br><br><br>I NEED HELP WITH THIS ASAP

Annette [7]

Answer:

the answer for this question is 3

5 0

2 years ago

Read 2 more answers