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3 years ago

Whats the measurment for H?

Mathematics

1 answer:

AlexFokin [52]3 years ago

8 0

∠h=180-90-45=45º
............................

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How many hours is 1/4 of a day

Ulleksa [173]

Answer:

6 hours.

Step-by-step explanation:

A day is 24 hours. So in this case, 3 quarters of a day will be 18 hours, half a day is 12 hours, and a quarter of a day will be 6 hours.

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2 years ago

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Pls help meee<br>thank you thank you thank you thank you

olga_2 [115]

Answer:

See below

Step-by-step explanation:

11 box 1: 12

11 box 2: 101

12 box 1: 80

12 box 2: 80

12 box 3: 80

13 box 1: 16

13 box 2: 16

13 box 3: 76

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3 years ago

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Help me out pls and give me the right answers it a quiz

emmainna [20.7K]

Answer:

A and C

Step-by-step explanation:

B has a solution and D is 0. A and C are the only ones with no solution.

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2 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 <span> $x = \frac{cy-s}{b}$
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hope this helps!

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3 years ago

Find the value of x please please help

tigry1 [53]

Answer:

119 maybe, not completely sure

Step-by-step explanation:

I think 119

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3 years ago

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