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3 years ago

PLA HELP!!!!!!! ASAP

Mathematics

1 answer:

Anarel [89]3 years ago

3 0

Answer:how can i help u mam

Step-by-step explanation:

pls tell

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A money box contains only 10-cent

AysviL [449]

Answer:

Number of 10 cents = 18

Number of 20 cents = 10

Step-by-step explanation:

Let number of 10 cents be = x

Let number 20 cents be = y

Total number of coins = x + y = 28 -------- ( 1 )

Total amount in the box = 0.10 x + 0.20y = 3.80 ---------- ( 2 )

<em><u>Solve the equations to find x and y</u></em>

( 1 ) => x + y = 28

x = 28 - y

Substitute x in ( 2 )

( 2 ) => 0.10(28 - y) + 0.20y = 3.80

2.80 - 0.10y + 0.20y = 3.80

0.10 y = 3.80 - 2.80

0.10 y = 1.00

$y = \frac{1}{0.10} = 10$

y = 10

Substitute y in ( 1 ) => x + y = 28

x + 10 = 28

x = 28 - 10

x = 18

3 0

3 years ago

If total liabilities decreased by $30,000 and stockholders' equity increased by $20,000 during a period of time, then total asse

Nataliya [291]

The total assets must change by $10,000 and decreases during that same period,if total liabilities decreased by $30,000 and stockholders' equity increased by $20,000 .

According to the given question.

Total liabilities decreased by $30,000.

And, stockholders' equity increased by $20,000 during a period of time.

Therefore,

Change in total assets = Total Liabilities Decreased- StockHolders' equity increased

Change in total assets = $30,000 - $20, 000

Change in total assets = $10, 000

Hence, the total assets must change by $10,000 and decreases during that same period,if total liabilities decreased by $30,000 and stockholders' equity increased by $20,000 .

Find out more information about change in total assets here:

brainly.com/question/14433966

#SPJ4

8 0

2 years ago

On the first day of the fun raiser, the principal announces one more goal over the loud speaker- the teachers' fundraising goal.

Aliun [14]

Mabye the goal is to make the most money

7 0

4 years ago

In each part that follows, you are given an equation of a line and a point. Find the equation of the line through the given poi

Semmy [17]

Answer:

a) $y=-\frac{1}{9}x$

b) $y-2=-\frac{1}{3} (x-1)$

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point given and a slope from the equation. We will chose point-slope since we have a point and can find the slope.

Point slope: $y-y_1=m(x-x_1)$

a) $m\neq 9$ in our new equation because it is perpendicular to it. This means we will need to change it into its negative reciprocal which is $m=-\frac{1}{9}$ .

We will substitute $m=-\frac{1}{9}$ and $x_1=0\\y_1=0$ .

$y-0=-\frac{1}{9} (x-0)$

This simplifies to:

$y=-\frac{1}{9}x$

b) The equation y=3x+4 follows y=mx+b. For the perpendicular line, $m\neq 3$ . We will need to change it into its negative reciprocal which is $m=-\frac{1}{3}$ .