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2 years ago

Find the distance between PQ. P(3,4) and Q(6,8) 25 20 15 5

1 answer:

3 0

The answer is five because if you go for -3 that’s one in 8-6 is two and if you add one and three that’s for sure the only one you need is five and that would be just make no sense at all

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The heights of male students are normally distributed with a mean of 160 cm and a standard deviation

Andreyy89

Answer:

he heights of a group of women are normally distributed with a mean of 170 centimeters and a standard deviation of 10 centimeters. What is the -score of a member of the group who is 165 centimeters tall?

Step-by-step explanation:

4 0

1 year ago

Write an expression to represent how much shorter the base is compared to the side: 4x + b is the base and ax + 9 is the side, i

katen-ka-za [31]

Answer:

The required expression would be (a-4)x + (9-b)

Step-by-step explanation:

Given,

In the triangle,

Base = 4x + b,

Side = ax + 9

Since, Side - base = $(ax + 9) - (4x + b)$

$=ax + 9 - 4x - b$

$=ax - 4x + 9 - b$

$=(a-4)x + (9-b)$

That is,

The base is (a-4)x + (9-b) shorter compared to the side.

7 0

2 years ago

The landscaping project you are working on has a circular flower garden 18 feet in diameter. To determine the number of plants t

Naddik [55]

Answer:

The approximate area of the flower garden is $254.34\ ft^{2}$

Step-by-step explanation:

we know that

The area of the circle ( circular flower garden) is equal to

$A=\pi r^{2}$

we have

$r=18/2=9\ ft$ ----> the radius is half the diameter

substitute

$A=\pi (9^{2})=81\pi\ ft^{2}$ ----> exact value of the area

Find the approximate value of the area

$81(3.14)=254.34\ ft^{2}$

4 0

3 years ago

Help i also need reasons for my calculations

lorasvet [3.4K]

A=49 if you add up the two angles in that triangle you get 139 subtract that from 180 and there you go
B=15 if you calculate the other angle which are 95 and 70 you get 165 subtract that from 180 and bingo

Hope I helped

8 0

3 years ago

A rectangle has dimensions of 3 feet by 1 foot. What is the length of the diagonal of the

Andreyy89

Answer:

Step-by-step explanation:

3^2 + 1^2 = c^2 (diagonal squared)

9 + 1 = c^2

10 = c*2

$\sqrt{10}$ is the length

It is irrational because the decimal repeats forever

6 0

1 year ago