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2 years ago

Which points are separated by distance of 6 units?

Mathematics

1 answer:

sergiy2304 [10]2 years ago

8 0

I think it’s b! i hope that helps!

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Lesson 10.2 area of composite figures worksheet assigment

denis23 [38]

The composite figure includes a rectangle and trapezoid

The area of the composite figure is 810.5cm².

<h3>How to determine the area?</h3>

From the complete question, we have the following parameters:

Shapes: Rectangle and trapezoid

The area of the rectangle is:

Area = Length × Width

So, we have:

Area = 15 × 23

Area = 345cm²

The area of the trapezium

Area = 0.5 × (a + b) ×h

So, we have:

Area = 0.5 × (15 + 34) × 19

Area = 0.5 × 49 × 19

Area = 465.5cm²

Add both areas to calculate the area of the composite figure

Total area = 345cm² + 465.5cm²

Total area = 810.5cm²

Hence, the area of the composite figure is 810.5cm².

Read more about area on:

brainly.com/question/27297875

3 0

2 years ago

Using the Formula n=1/(ME)2 to Determine Sample Size When we want confidence and use the conservative estimate of , we can use t

PIT_PIT [208]

Answer:

The sample size needed is 40000.

Step-by-step explanation:

The sample size needed is:

$n = \frac{1}{M^{2}}$

Use this formula to determine the sample size needed for a margin of error of 0.005

This is n when $M = 0.005$ . So

$n = \frac{1}{M^{2}}$

$n = \frac{1}{0.005^{2}}$

$n = 40000$

The sample size needed is 40000.

4 0

3 years ago

Please solve this :)

scoray [572]

Answer:

Step-by-step explanation:

hello :

cos66° = x/14

x= 14× cos66°

x= 14× 0.41

x=5.74

5 0

3 years ago

How would you integrate (2x-1)(6x+5)? is there a product rule for integration?

NikAS [45]

No, there is not a product rule for integration.

To integrate (2x - 1)(6x + 5), start expanding the product:

(2x - 1)(6x + 5) = 12x^2 + 10x - 6x - 5 = 12x^2 + 4x - 5.

Now, I guess you know how to integrate that:

∫ (12x^2 + 4x - 5) dx = ∫12x^2 dx + ∫4x dx + ∫ (-5) dx = 4x^3 + 2x^2 - 5x + C

4 0

3 years ago

A circle is centered at the point (7,1) and passes through the point (8,7). what is the radius

Scorpion4ik [409]

Easy

the radius is the distance from the center to a point on the circle

we are given
center=(7,1)
a point=(8,7)
find the distance
distance formula
D= $\sqrt{(x2-x1)^2+(y2-y1)^2}$

so the distance between point and center is radius
D= $\sqrt{(8-7)^2+(7-1)^2}$
D= $\sqrt{(1)^2+(6)^2}$
D= $\sqrt{1+36}$
D=√37 units

radius is √37 units

7 0

3 years ago