2 years ago

What does the pH of a solution represent?

Mathematics

1 answer:

lana [24]2 years ago

7 0

Answer:

D. The pH indicates how acidic or basic a solution is.

Step-by-step explanation:

The range goes from 0 to 14, with 7 being neutral.

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The Coffee Counter charges $8.00 per pound for Kenyan French Roast coffee and $10.00 per pound for Sumatran coffee. How much o

Tcecarenko [31]

Answer:

x = 9

y = 9

Step-by-step explanation:

Given :

Let :

Kenyan French roast coffee = x

Cost per x = $8

Sumatran Coffee = y

Cost per y = $10

x + y = 18 - - - - (1)

8x + 10y = 9 * 18 ;

8x + 10y = 162 - - - - (2)

From (1):

x = 18 - y

Put x = 18 - y in (2)

8(18 - y) + 10y = 162

144 - 8y + 10y = 162

2y = 162 - 144

2y = 18

y = 9

x = 18 - y

x = 18 - 9

x = 9

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2 years ago

if 1/2 an apple was shared equally among 3 people. what fracton of the who apple did each person recive.

enyata [817]

Answer:

1/6

Step-by-step explanation:

1/2/3 is a sixth of an apple that all 3 people equally shared.

3 0

2 years ago

Ayudenmeee por favor

Dmitry [639]

B because I’m just guessing

8 0

2 years ago

What is the approximate length of the radius of a circle with a circumference of 63 inches?

Sergeeva-Olga [200]

Answer: 63/2π

Step-by-step explanation: C=πd

63=πd

D=63/π

r=1/2d

1/2×63/π=<u>63/2π</u>

5 0

2 years ago

Triangle XYZ has vertices X(–1, –3), Y(0, 0), and Z(1, –3). Malik rotated the triangle 90° clockwise about the origin. What is t

OLga [1]

Answer:

Option D.

Step-by-step explanation:

It is given that triangle XYZ has vertices X(–1, –3), Y(0, 0), and Z(1, –3).

Malik rotated the triangle 90° clockwise about the origin. So, rule of rotation is

$(x,y)\to (y,-x)$

Now,

$X(-1,-3)\to X'(-3,-(-1))=X'(-3,1)$

$Y(0,0)\to Y'(0,0)$

$Z(1,-3)\to Z'(-3,-(1))=Z'(-3,-1)$

The image points are X’(–3, 1), Y’(0, 0), Z’(–3, –1).

Therefore, the correct option is D.

6 0

2 years ago