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iris [78.8K]
3 years ago
15

What is the vertex of the graph of y + 2x + 3 = –(x + 2)^2 + 1?

Mathematics
2 answers:
viva [34]3 years ago
6 0
 B (-3, 3)... Hope this helps!!

Strike441 [17]3 years ago
5 0

Answer:

B (-3, 3)

Step-by-step explanation:

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5. Ms. Lee has 220 students in all her classes. If her classes collected 2860 pounds of food, how many meals did each student pr
jarptica [38.1K]

Answer:

Each students provides 13 pounds of meal

Step-by-step explanation:

Total students in Ms. Lee class = 220

Total pounds of food collected = 2,860

how many meals did each student provide?

Meals provided by each student = Total pounds of food collected / total number of students

= 2,860 / 220

= 13 pounds

Each students provides 13 pounds of meal

Note: 1.2 pounds of food equals one meal

1.2 pounds : 1 meal = 13 pounds : x meals

1.2/1 = 13/x

1.2 * x = 1 * 13

1.2x = 13

x = 13 / 1.2

= 10.83 meals

Approximately 11 meals to the nearest number

Note:1 kilogram is 2.2 pounds

1 kg : 2.2 pounds = x kg : 13 pounds

1/2.2 = x / 13

1 * 13 = 2.2 * x

13 = 2.2x

x = 13/2.2

= 5.91 kilogram

Approximately x = 6 kilograms

3 0
3 years ago
Evaluate each expression. Determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
Sati [7]

Answer:

Given the expression:

1.

-4^2

we know:

4^2 = 4 \times 4 = 16

then;

-4^2 = -16

Therefore, the value of expression -4^2 is -16 i.e negative.

2.

(-4)^2

we know:

4^2 = 4 \times 4 = 16

(-1)^2 = 1

then;

(-4)^2 = (-1)^2 \cdot (4)^2= 16

Therefore, the expression (-4)^2 is 16 i.e Positive.

3.

4^2

we know:

4^2 = 4 \times 4 = 16

then;

4^2 = 16

Therefore, the expression 4^2 is 16 i.e Positive.


8 0
3 years ago
What is 1/x^2 in the power of x
Serhud [2]

we have given that \frac{1}{x^2}.

we need to express this interms of power of x .

we know that \frac{1}{x^n} =x^-n.

in place of n we have 2 .so \frac{1}{x^2} =x^-2.

so this will be the expression interms of power of x .

6 0
3 years ago
Selecting a marble from a bag containing 50 marbles and 45 orange marbles
tamaranim1 [39]
U have a 90% chance of picking an orange marble, 10% of picking a different color
7 0
3 years ago
Ximena is typing 2,500 word essay <br> at this rate can she type the essay in an hour
horrorfan [7]

Answer:

no

Step-by-step explanation:

3 0
3 years ago
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