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3 years ago

Please help! Will Mark brainliest!

Mathematics

1 answer:

solong [7]3 years ago

8 0

Answer:

4.5 inches

Step-by-step explanation:

Sorry if its wrong. I tried.

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Julie is looking through the supermarket catalogue for her favourite cookies-and-cream ice-cream.

Nikitich [7]

Answer:

needs $1.62 saving

Step-by-step explanation:

1.2 litres for triple chocolate is $3.78. $5.40 minus $3.78. is $1.62

7 0

2 years ago

Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi

adoni [48]

Answer:

$r = 4$

The center is:

(2, -4)

Step-by-step explanation:

We have the following equation

$x^2 - 4x + y^2 + 8y = -4$

The general equation of a circle has the following form

$(x-h)^2 + (y-k)^2 = r^2$

Where r is the radius and the point (h, k) is the center of the circle

To transform the given equation in the general equation of a circumference we must use the method of square completions

Step 1

$(x^2 - 4x) + (y^2 + 8y) = -4$

Step 2

Add and subtract $(\frac{b}{2})^2$ For an equation of the form

$ax^2 +bx +c$

$(x^2 - 4x +4)-4 + (y^2 + 8y +16) -16= -4$

Step 3 Factor the expressions within the parentheses

$(x-2)^2-4 + (y+4)^2 -16= -4$

Step 4 Simplify

$(x-2)^2 + (y+4)^2= -4+16+4$

$(x-2)^2 + (y+4)^2= 4^2$

Finally

$r = 4$

The center is:

(2, -4)

7 0

3 years ago

Find the value of x and y

Alex777 [14]

X and y will be both 5.
please correct me if i am wrong.

5 0

3 years ago

Determina si el número 2,340 es divisible por 2,3,5,9,y 10. Explica tu respuesta.

Eddi Din [679]

2340 es divisible por estos números. La resonanica wue entran en este número es porque todos son factores de este número.

6 0

4 years ago

Read 2 more answers

I NEED HELP REAL BAD I NEED TO ANSWER THESE RN

vova2212 [387]

for question 3 should be 4096

4 0

3 years ago