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klasskru [66]
4 years ago
13

Plzzz helpppppp meeeeeee))))))))):

Mathematics
1 answer:
Oduvanchick [21]4 years ago
4 0

Answer:

a). (5,30)    (0,20)

b). (40,130)    (35,120)

Step-by-step explanation:

a). (5,30)    (0,20)

     solid red line's solutions are all going to be going down and dashed blue line's solutions will be going up all solutions in those regions are considered solutions

b). (40,130)    (35,120)

     points are non-solutions because they are not in the shaded region for either line's solution .

haven't done this in a hot minute so im not sure 100%

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Alice buys some inexpensive bracelets and necklaces as party favors for her jewelry showing. She pays $8 for each necklace (N) a
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Answer:

$7B+$8N<120

Its the total of the bracelets and necklaces that equal less than $120.

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3 years ago
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Factorise by grouping: x² - 5x + 2x - 10
Natalka [10]

Answer:

\boxed {\boxed {\sf (x+2)(x-5)}}

Step-by-step explanation:

To factor by grouping, first divide the polynomial into 2 groups with parentheses.

x^2-5x+2x-10

(x^2-5x)+ (2x-10)

Factor the greatest common factor (GCF) out of both binomials.

For the first binomial, the GCF is x.

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For the second binomial, the GCF is 2.

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Factor out the common binomial which is (x-5).

(x+2)(x-5)

The factorized form of x²-5x+2x-10 is (x+2)(x-5)

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3 years ago
What is the value of theta
Vika [28.1K]

Answer:

235,305

Step-by-step explanation:

sin theta = -.8190

Take the arcsin of each side

arcsin sin theta = arcsin  -.8190

theta = -54.9825

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so add 360

360+-54.9825 = 305.0175

It is also in the third quadrant because of the negative sin

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To the nearest degree 305 and 235

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4 years ago
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Answer:

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Step-by-step explanation:

All you have to do is use the Pythagorean Theorem! In case you don't remember, it's a² + b² = c², where a and b are legs and c is the hypotenuse.

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Answer:

84 ÷ -12 = -7

21 ÷ -3 = -7

Step-by-step explanation:

49 ÷ -7 = -7

Means that __ ÷ __ must equal -7

There are many options, here are a few:

84 ÷ -12 = -7

or -84 ÷ 12 = -7

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