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2 years ago

How to factor 2c^2-7c+3

Mathematics

2 answers:

Semmy [17]2 years ago

7 0

(c - 3)(2c - 1) is the factored form

Grace [21]2 years ago

7 0

$2c^2-7c+3$

You need 2 numbers that when added together equal the coefficient of c (-7 in this case), and when multiplied equal the product of the constant and coefficient of c^2 (this product is 2*3 = 6).
Two numbers that add to -7 and multiply to 6 are -6 and -1.

The middle term -7c becomes -6c - 1c.
$2c^2-6c-1c+3 \\ 
2c(c-3) -1(c-3) \\ 
(c-3)(2c-1)$

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56,927.34 in expanded form

DanielleElmas [232]

Answer:

Step-by-step explanation:

Standard Form:

56,927.34

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

50,000

+6,000

+900

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+0.3

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Expanded Factors Form:

5 ×10,000

+ 6 ×1,000

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+ 2 × 0

+ 7 ×1

+ 3 ×0.1

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Expanded Exponential Form:

5 × 104

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5 0

3 years ago

Read 2 more answers

Y varies directly as x. Y=42 when x=6. Find the value of y when x =15.

pentagon [3]

Answer:

y=120

Step-by-step explanation:

Y varies directly as x is written as

$y \alpha x$

introducing a constant

y=kx

from the question, when y=48, x=6

substitute it in the formula

48=6k

making k the subject by dividing through by 6

$\frac{48}{6} = \frac{6k}{6}$

k=48/6

k=8

put the value of k in the expression y=kx

y=8x

from the question,the value of y when x=15 is given by

y=8×15

y=120.

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3 years ago

What percent of 25 is12 And how do I work it

Sergio [31]

12/25 * 100 = 48%

Amount/Whole Amount * 100

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3 years ago

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What is the measure of angle A, in degrees?

juin [17]

96°.

Since sides AB and AC ane equal, that means that angle B is equal to angle C. The measurement of all the angles of a triangle always equals 180°, so if you add angles B and C, you should get 84° and then you should be able to find angle A. Subtract 84° from 180° and you should get 96°.

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3 years ago

What is the measure of ABC?

leva [86]

Answer:

Step-by-step explanation:

the measure of the chord- chord angle ABC is half the sum of the arcs intercepted by the angle and its vertical angle , that is

∠ ABC = $\frac{1}{2}$ (AC + DE) = $\frac{1}{2}$ (75 + 45)° = $\frac{1}{2}$ × 120° = 60°

4 0

2 years ago