2 years ago

What is the factored form of 20x - 10y + 15z?

Mathematics

2 answers:

ivanzaharov [21]2 years ago

8 0

Answer:

5 ( 4 x − 2 y + 3 z )

Andre45 [30]2 years ago

6 0

Simplifying
20x + -10y + 15z

Factor out the Greatest Common Factor (GCF), '5'.
5(4x + -2y + 3z)

Final result:
5(4x + -2y + 3z)
:

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A line with a slope of -7 passes through the points (u,0) and (8,-7) what is the value of u?

laila [671]

Answer:

u = 7

Step-by-step explanation:

Using the slope intercept formula:

$\frac{y2 - y1}{x2 - x1} = slope$

Substitute our values from the points and the known slope:

$\frac{-7 - 0}{8 - u} = -7$

Now we multiply both sides by (8 - u) to isolate the x:

(8-u) x $\frac{-7}{8 - u}$ = -7 (8 - u)

Next we add 56 to both sides:

-7 = -56 + 7u

Finish off by dividing both sides by 7:

7u = 49

u = 7

6 0

2 years ago

Please help me idk this

Sergio [31]

First take the fractions and find their common denominator:
$\frac{1}{2}$ x 4 = $\frac{4}{8}$

Now you can add the fractions:
$\frac{4}{8} + \frac{1}{8} = \frac{5}{8}$

Now add your whole numbers and the fraction:
1+1= 2 >> 2+ $\frac{5}{8}$ = 2 $\frac{5}{8}$ yards

Now subract 2 $\frac{5}{8}$ from 5:
5-2 $\frac{5}{8}$ =2 $\frac{3}{8}$ yards