2 years ago

Choose the most convenient method to graph the line 2x+5y=−10.

Mathematics

1 answer:

Serjik [45]2 years ago

6 0

Answer:

graph the line using the slope and y-intercept or two points

slope:-2/5

y-intercept:(0,-2)

x | y

-5 | 0

0 | -2

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How many minutes he does arm routine and abdominal routine

AlekseyPX

Let $x$ be the amount of time it takes to perform an arm routine and $y$ be the amount of time it takes to perform an abdominal routine. We see:

$4x+y=70$
$4x+2y=100$

Subtracting the second equation from the first gives $y=30$ . Substituting gives $4x+30=70$ , so $4x=40$ and $x=10$ .

Thus, an arm routine takes ten minutes and an abdominal routine takes thirty minutes.

5 0

3 years ago

1/6 + 3/8 <br> A. 4/6<br> B. 4/8 <br> C. 4/14<br> D. 13/24

Naddika [18.5K]

Here is you're answer:

In order to get you're answer you need to find the common denominator then add.

$\frac{1}{6} + \frac{3}{8}$
Find the common denominator:
$CD = 48$
$= \frac{26}{48}$
Simplify:
$\frac{26}{48} \div 2 = \frac{13}{24}$
$= \frac{13}{24}$

Therefore you're answer is option D "13/24."

Hope this helps!

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2 years ago

Im literally sitting here crying my eyes out because i have so much homework due tomorrow someone please just help me with this

skelet666 [1.2K]

Answer:

I'm sorry you have a lot of Homework. All i know is the 1st step... i believe their are 3 steps to this question, I wish you the best of luck my friend!

Step-by-step explanation:

1st step =

x=36