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2 years ago

X:y = 9:7 Form an equation that links x and y

Mathematics

1 answer:

sleet_krkn [62]2 years ago

6 0

Equations are expressions with equal values

The equation that links x and y is $7x = 9y$

<h3>How to determine the equation</h3>

The ratio is given as:

$x : y = 9 : 7$

Express the ratio, as a fraction

$\frac xy = \frac 97$

Cross multiply

$7 *x = 9 * y$

Evaluate the product

$7x = 9y$

Hence, the equation that links x and y is $7x = 9y$

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Quadrilateral PUMA has coordinates at P(-5,-2), U(-1,2), M(4,-3), A(0,-7) and it is transformed by (x+3,y-5). Determined the ima

IgorLugansk [536]

The image of M is (7 , -8)

Step-by-step explanation:

Let us revise some transformation

If the point (x , y) translated horizontally to the right by h units then its image is (x + h , y)
If the point (x , y) translated horizontally to the left by h units then its image is (x - h , y)
If the point (x , y) translated vertically up by k units then its image is (x , y + k)
If the point (x , y) translated vertically down by k units then its image is (x , y - k)

∵ The quadrilateral PUMA has coordinates at:

P (-5 , -2) , U (-1 , 2) , M (4 , -3) , A (0 , -7)

∵ It is transformed by (x + 3 , y - 5)

- That means the quadrilateral translated 3 units right and 5 units

down, then we add each x-coordinate by 3 and subtract 5 from

each y-coordinate

∵ The coordinates of point M are (4 , -3)

∴ The image of point M = (4 + 3 , -3 - 5)

∴ The image of point M = (7 , -8)

The image of M is (7 , -8)

Learn more:

You can learn more about transformation in brainly.com/question/5563823

brainly.com/question/11203617

*LearnwithBrainly

8 0

3 years ago

Tina has 1/4 of a cake. He divides it between his 6 friends. How much of the whole cake will each friend get?

klemol [59]

As Tina only has 1/4 of a cake. For simplicity sake we can do the calculation with a whole cake and then multiply by four!

First it is stated that cake is divided into six pieces, giving us our first number.
So,

6 x 4 = 24

This means that each friend will get 1/24th of the whole cake.

7 0

3 years ago

Read 2 more answers

What kinetic energy has a 4kg shootput thrown with a velocity of 12m/s

Tamiku [17]

Answer:

288J

Step-by-step explanation:

recall the formula for kinetic energy

KE = (1/2) mv²

where m is the mass (= 4kg) and v is the velocity(=12 m/s)

hence