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Makovka662 [10]
3 years ago
9

Is 21:15 equivalent to 7:5

Mathematics
2 answers:
siniylev [52]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

7 x3=21 and 5x3=15

hope this helps :)

Vera_Pavlovna [14]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

21/3=7

15/3=5

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What is the slope in the table below
eduard

Answer:

<h2>The table does not show a linear function</h2>

Step-by-step explanation:

\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{From the table we have:}\\\\(5,\ 24),\ (10,\ 21),\ (15,\ 17),\ (20,\ 13)\\\\\text{Check}\\\\\dfrac{21-24}{10-5}=\dfrac{-3}{5}=-\dfrac{3}{5}\\\\\dfrac{17-21}{15-10}=\dfrac{-4}{5}=-\dfrac{4}{5}\\\\-\dfrac{3}{5}\neq-\dfrac{4}{5}

3 0
3 years ago
The distributive property can be applied to which expression to factor 12x3 – 9x2 + 4x – 3?
Arturiano [62]

Answer:

(4x - 3)(3x² + 1)

Step-by-step explanation:

Given

12x³ - 9x² + 4x - 3 ( factor the first/second and third/fourth terms )

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8 0
3 years ago
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77julia77 [94]
The answer is:  [D]:  " 2.6 " .
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The opposite of a negative is a positive;
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7 0
3 years ago
If a man take one and a half mins to paint a door how much doors can he paint in seven half hour
sashaice [31]

Answer:

300 doors.

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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(6 + 10) * 0.5 * 10 = 80 (ft²)

3 0
3 years ago
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