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andreev551 [17]
3 years ago
8

Lincoln Middle school plans to collect more than 2,000 cans of food in the drive. So far, 668 cans have been collected. Write an

inequality to find numbers of cans the school can collect on each of the final 7 days of the drive to meet this goal. Identify what your variable represents.
Mathematics
1 answer:
Daniel [21]3 years ago
6 0
So far you only need 1,332 cans
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Which statement about the following equation is true?
spayn [35]

The given expression is

3x^2 -8x +5 = 5x^2

We have to find the discriminant first . And for that, first we need to move whole terms of the left side to right side, that is

5x^2 -3x^2 +8x -5=0

2x^2+ 8x -5 =0

The formula of discriminant is

D =b^2 -4ac

Substituting the values of a,b and c, we will get

D = 8^2 -4(2)(-5)=64+40 = 104

And since the discriminant is greater than 0, or it is positive so we have two real roots.

Therefore the correct option is B .

7 0
3 years ago
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Lilit [14]
Step by step: 4 divided by 56

because the 4 represents how many sides of the shape .

and 56 is the total of the rectangle prism .

and u won’t multiply because u can’t get a bigger number than the total .

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Hope this helps !

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3 years ago
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seraphim [82]

Answer:

5

Step-by-step explanation:

Easy

4 0
3 years ago
(10.02)
ollegr [7]
<h2>Hello!</h2>

The answer is:

C. Cosine is negative in Quadrant III

<h2>Why?</h2>

Let's discard each given option in order to find the correct:

A. Tangent is negative in Quadrant I: It's false, all functions are positive in Quadrant I (0° to 90°).

B. Sine is negative in Quadrant II: It's false, sine is negative in positive in Quadrant II. Sine function is always positive coming from 90° to 180°.

C. Cosine is negative in Quadrant III. It's true, cosine and sine functions are negative in Quadrant III (180° to 270°), meaning that only tangent and cotangent functions will be positive in Quadrant III.

D. Sine is positive in Quadrant IV: It's false, sine is negative in Quadrant IV. Only cosine and secant functions are positive in Quadrant IV (270° to 360°)

Have a nice day!

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3 years ago
viktor has $250 in his bano account. he withdraws $15 per week. let x represent the number of weeks that he makes withdrawals an
antiseptic1488 [7]
The answer is y=$250-$15x. 
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3 years ago
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