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matrenka [14]
3 years ago
9

Someone plz help me as soon as possible plzzz

Mathematics
1 answer:
Alborosie3 years ago
4 0
Variable: a symbol for a number you don’t know yet
inequality: 60=22+8x
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Point D What is the slope of the graph of 6x + 12y = 7? A. 1/2 B. -1/2 C. 2 D. -2
Dima020 [189]
6x + 12y = 7

12y = -6x + 7

y = -6/12 + 7

y = -1/2 + 7

the slope of the equation is -1/2
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Kate's swim coach informs her that she only has 35% of her workout left. Kate has swum 26 laps so far.
pentagon [3]
Kate needs to swim 40 laps to come complete 66 laps
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Factor completely x3 + 8x2 − 3x − 24.
Anna71 [15]

Answer:

<h2>x³ + 8x² - 3x - 24 = (x + 8)(x - √3)(x + √3)</h2>

Step-by-step explanation:

x^3+8x^2-3x-24\\\\=(x^2)(x)+(x^2)(8)+(-3)(x)+(-3)(8)\qquad\text{distribute}\\\\=x^2(x+8)-3(x+8)\\\\=(x+8)(x^2-3)\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x+8)(x^2-(\sqrt3)^2)\\\\=(x+8)(x-\sqrt3)(x+\sqrt3)

7 0
3 years ago
The shown quadrilateral is a rectangle. If AB is 10 what is the length of DC?
baherus [9]

Answer:

sir the picture is black

Step-by-step explanation:

4 0
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An isosceles triangle has two congruent angles which each measure 35 what is the measure of the third angle in the triangle
Lemur [1.5K]

Answer:

110

Step-by-step explanation:

35+35=70 180-70=110

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