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3 years ago

Using the circle below, determine the coordinates of the center and the length of the diameter.

Mathematics

1 answer:

Elena-2011 [213]3 years ago

4 0

Answer:

Step-by-step explanation:

center (-2,-1), Diameter 4

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A recipe for sparkling grape juice calls for 1.5 quarts of sparkling water and .75 quart of grape juice. A. How much sparkling w

cluponka [151]

Answer: We need to mix 18 quarts of sparkling water with 9 quarts of grape juice.

We need to mix 1.875 quarts of grape juice with 3.75 quarts of sparkling water.

Step-by-step explanation:

Given: A recipe for sparkling grape juice calls for 1.5 quarts of sparkling water and .75 quart of grape juice.

Since, for recipe of sparkling grape juice , they should be used in same proportion.

Let x be the amount of sparkling water need to mix with 9 quarts of grape juice, then

$\frac{x}{9}=\frac{1.5}{0.75}\\\Rightarrow\ x=\frac{1.5\times9}{0.75}\\\Rightarrow\ x=18$

We need to mix 18 quarts of sparkling water with 9 quarts of grape juice.

Let y be the amount of grape juice need to mix with 3.75 quarts of sparkling water, then

$\frac{3.75}{y}=\frac{1.5}{0.75}\\\Rightarrow\ y=\frac{3.75\times0.75}{1.5}\\\Rightarrow\ y=1.875$

We need to mix 1.875 quarts of grape juice with 3.75 quarts of sparkling water.

4 0

3 years ago

Need some help with the answer to the question

kicyunya [14]

Answer:

(- 4, 27 )

Step-by-step explanation:

Equate the right sides of both equations, that is

x² - 2x + 3 = - 2x + 19 ← subtract - 2x + 19 from both sides

x² - 16 = 0 ← in standard form

(x - 4)(x + 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 4 = 0 ⇒ x = - 4

Substitute these values into f(x) = - 2x + 19

f(4) = - 2(4) + 19 = - 8 + 19 = 11 ⇒ (4, 11 )

f(- 4) = - 2(- 4) + 19 = 8 + 19 = 27 ⇒ (- 4, 27 )

8 0

3 years ago

15 POINTS! PLEASE HELP

Mariulka [41]

not sure really what the question is asking but dividing both sides of the equation by "t" is:

$D=RT$

$\frac{D}{T} =R$

7 0

2 years ago

After getting bored flying his kite, Tony decides to tie it to the ground and let it fly itself. The kite gets caught on a light

yaroslaw [1]

The answer will be -50

8 0

3 years ago

Read 2 more answers

NY Giants Jackets sell for $80, there's a 8% Sales Tax. Calculate the Sales Tax.

CaHeK987 [17]

Answer:

Step-by-step explanation:

80 × .08 = 6.40

80 + 6.40 = $86.40

4 0

3 years ago