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asambeis [7]
2 years ago
6

Solve the following using completing the square method :

Mathematics
1 answer:
Lesechka [4]2 years ago
7 0

Answer:

1. is 3843

2. is 4903

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I need help on this question​
wel

Answer:

The attachment is black

Step-by-step explanation:

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5 0
3 years ago
angle A and angle B are vertical angles. If angle A= (5x – 9)° and angle B = (8x – 30) then find the value of x.
puteri [66]

Answer:

x=7

Step-by-step explanation:

5x-9=8x-30

8x-5x=-9+30

3x=21

x=21/3=7

8 0
2 years ago
L'Shonda purchased a container of juice
cupoosta [38]

L'Shonda purchased a container of juice. 80 calories are from carbohydrates.

<u>Solution:</u>

Given that, LShonda purchased a container of juice that contains 200 calories.  

The label says that 40% of the calories are from carbohydrates.  

We have to find how many calories are from carbohydrates?

Now, according to the given information,

<em>Number of calories from carbohydrates = 40% of the total calories of the juice </em>

Then, calories from carbohydrates = 40% of 200 calories

40% can be written in fraction as \frac{40}{100}

\text { Calories from carbohydrates }=\frac{40}{100} \times 200=40 \times 2=80 \text { calories }

Hence, 80 calories are from carbohydrates.

5 0
3 years ago
−x − y = 1
Gemiola [76]
<span>The system of linear equations

−x − y = 1
y = x + 3

can be solved in various ways.  This problem hints that you should graph both lines and find the coordinates of their point of intersection.

But we can also solve this system using substitution.  Note that y = x + 3.  We can subst. x + 3 for y in the 1st equation, as follows:

-x - (x+3) = 1.  This simplifies to -x -x - 3 = 1, or -2x = 4, or x = -2.

Since y = x + 3, subbing -2 for x produces y:  y = -2 + 3 = 1

Thus, the solution is (-2, 1). </span>
5 0
3 years ago
Read 2 more answers
Someone pleeeeaseeee help a sister out
zvonat [6]

I gottt you sis

P + 0.20p = 1.20p

P - 0.20p = 0.80p

P + 1/4p = 5/4p

P - 1/4p = 3/4p

7 0
3 years ago
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