Which fraction is equivalent to 7/15?
A. 14/28
B. 14/17
C. 21/45
D. 21/35

Answers

Answer 1

Answer: C. 21/45

If you multiply both the 7 and 15 by 3, you get 21 and 45.

$(7)/(15) × (3)/(3) = (21)/(45)$

Answer 2

Answer: THe answer is C since you multiply the numerator and denominator by 3

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A child is standing across the street from his apartment . His mother is on their balcony . The angle of elevation between the child's eyes and his mothers eyes is 22 degrees . If the distance between their eyes is 32 feet , how far is the child standing from his apartment building ? Round to the nearest foot .

Answers

You've got a leg and an angle next to it (and another, straight one, too), which is enough to calculate any side and angle of the triangle with some knowledge of trigonometry (in my country, you need to be in the last months of 9th grade or later to know that)
To calculate the other angle, you simply substract our known one (22) from 90. Nothing interesting here.
To calculate the hypotenuse, which is actually what is requested, you need to use the cosine of 22, which is about 0.9272, this way: h=l1/cos(L1), that means our distance is 32/0.9272, which is about 34.5131 ft (doesn't matter if there are feet, cm, inches, meters or whatever)

Answer:

30 Ft

P.S HMU WITH BRAINLIST

Step-by-step explanation:

On a coordinate plane, triangle R S T has points (negative 5, 6), (3, 4), and (negative 2, 2).Which expression can be used to find the area of triangle RST?

(8 ∙ 4) - One-half (10 + 12 + 16)
(8 ∙ 4) - (10 + 12 + 16)
(8 ∙ 4) - One-half (5 + 6 + 8)
(8 ∙ 4) - (5 - 6 - 8)

Answers

Based on the coordinate plane, a mathematical expression which can be used to find the area of triangle RST is: A. [(8 × 4) - 1/2 × (10 + 12 + 16)].

What is a triangle?

A triangle can be defined as a two-dimensional geometric shape that comprises three (3) sides, three (3) vertices and three (3) angles only.

How to calculate the area of a triangle?

Mathematically, the area of the triangle is given by the formula:

$Area = (1)/(2)* base * height$

In this scenario, the mathematical expressions that would be used to find the area of triangle RST with points (-5, 6), (3, 4) and (-2, 2) are given by:

Area of rectangle = LW = 8 × 4

Area of triangle 1 = 1/2 × (2 × 5) = 1/2 × 10

Area of triangle 2 = 1/2 × (3 × 4) = 1/2 × 12

Area of triangle 3 = 1/2 × (2 × 8) = 1/2 × 16

The area of triangle RST = [(Area of rectangle) - 1/2 × (Area of triangle 1 + Area of triangle 2 + Area of triangle 3)].

Substituting the parameters into the formula, we have;

The area of triangle RST = [(8 × 4) - 1/2 × (10 + 12 + 16)]

Read more on area of triangle here: brainly.com/question/21917592

Answer:

(8 ∙ 4) - One-half (10 + 12 + 16)

Step-by-step explanation:

Find the gradient of line passing through the following pairs of points : (i) (0,−2),(3,4)

Answers

Answer:

gradient = 2

Step-by-step explanation:

calculate the gradient m using the gradient formula

m = $(y_(2)-y_(1) )/(x_(2)-x_(1) )$

let (x₁, y₁ ) = (0, - 2 ) and (x₂, y₂ ) = (3, 4 )

substitute these values into the formula for m

m = $(4-(-2))/(3-0)$ = $(4+2)/(3)$ = $(6)/(3)$ = 2

30% of a number equals 30. what is the number?

Answers

it would be 100! 30% of 100 is 30

100 cuz 30% of 100 is 30;)

The race begins at a rate of 1.5 meters per second. what distance, d, is covered after, t, seconds

Answers

The required distance after time t is given as 1.5t.

Given that,
Speed in the race is given as 1.5 meters per second, to determine distance, d, is covered after, t, seconds.

What is Distance?

Distance is defined as the object traveling at a particular speed in time from one point to another.

What is speed?

Speed is defined as when an object is subjected to movement, the distance covered by the object in a certain time interval is the speed of that object.

Here,
Speed = 1.5 m/s
Distance = speed × time
Distance = 1.5 × t
Distance(d) = 1.5t

Thus, the required distance after time t is given as 1.5t.

Learn more about distance here:

brainly.com/question/15172156

#SPJ3

Well if 1.5 m is covered in 1 second, the distance would be calculated as d=1.5t.

A soup can has a height of 4 inches and a diameter of 3 inches. Which of the following is the closest to the volume of the soup can?