3 years ago

Answers

Mathematics

1 answer:

Flura [38]3 years ago

7 0

Answer:

c 

Step-by-step explanation:

because the coordinate of x is negative

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Determine the product of (46.2 × 10–1) ⋅ (5.7 × 10–6). Write your answer in scientific notation.

likoan [24]

Answer:

Step-by-step explanation:

a) = 46.2 X 10∧-1

=0.462

b) = 5.7 x 10∧-6

= 0.00057

3 0

3 years ago

Elimination method: ax+by=r, -bx+cy=s

Alex17521 [72]

$\left[\begin{array}{ccc}ax+by=r\\\\-bx+cy=s\end{array}\right]$

Isolate x for $ax+by=r$

$x= \frac{r-by}{a} ; a \neq 0$

Subsititute $x= \frac{r-by}{a}$

$-b \frac{r-by}{a} +cy=s$

Isolate r for : $-b \frac{r-by}{a}+cy=s$

$r=- \frac{as-acy-b^2y}{b} ; a \neq 0;b \neq 0$

For x : $\frac{r-by}{a}$

Subsititute r = $- \frac{as-acy-b^2y}{b}$

$x= -\frac{as-acy-b^2y}{b}/a$

$x = \frac{cy-s}{b}$

The solutions to the system of equations are:

$r= -\frac{as-acy-b^2y}{b}$ and $x = \frac{cy-s}{b}$

hope this helps!

3 0

3 years ago

9. 1.3(c – 4) ≤ 2.6 + 0.7c

Julli [10]

Answer:

c ≤ 13

I think what was the question tho

Step-by-step explanation:

3 0

2 years ago

If the hypotenuse of a right triangle is 10 inches and the side opposite to aq equals 5 inches, what is the measurement of aq ?

amid [387]

I hope this helps you

10^2=|aq|^2+5^2

100-25= |aq|^2

75= |aq|^2

aq= 5 square root of 3

this triangle 30-60-90

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4 years ago

6 2/3 - 2 1/6 omg I cant get it thanks it will help a lot

NikAS [45]

4.5

you divide the fractions then subtract them

6 0

3 years ago

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