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igor_vitrenko [27]
3 years ago
12

Describe how to round 3.9 hundred 87 to the nearest tenth

Mathematics
1 answer:
vichka [17]3 years ago
6 0

3.9*100=390    390 87=390,087

390,087

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Please help me with this question!!!!!​
Naddika [18.5K]

Answer:

Equation of line in slope-intercept form that passes through (4, -8) and is perpendicular to the graph y= \frac {2}{5} x - 3 is below

y = - \frac {5}{2} x + 2

Step-by-step explanation:

Slope of the equation  y= \frac{2}{5} x -3   is  m_1 = \frac{2}{5}

Since slopes of perpendicular lines are negative reciprocal of each other, therefore slope of other line is given as

m_2 = - \frac {1}{m_1}  = - \frac {5}{2}

Equation of line in point slope form is given as

y-y_1=m_2(x-x_1)

Here  (x1, y1) = (4, -8)

y+8 = - \frac{5}{2} (x-4)

Simplifying it further  

y = - \frac {5}{2} x + \frac {5}{2} 4 - 8

y = - \frac {5}{2} x + 2

6 0
3 years ago
If Nina is N years old now and Maryna is M years old now, write the sum of their ages in 6 years
zimovet [89]

Answer:

If Nina is N years old and Maryna is M years old the sum of their ages would be N+M

In 6 year from now they you would go the sum of their ages now times 6

You equation would be

6(N+M)

Step-by-step explanation:

4 0
3 years ago
Which of the following is equal to the rational expression when x doesnt equal 5? x^2 - 25/ x - 5
scoundrel [369]
The complete question in the attached figure

we have that
(x²<span> - 25)/ (x - 5)

we know
</span>(x² - 25)-------------> (Difference of two squares)----------> (x+5)*(x-5)

then

(x² - 25)/ (x - 5)<span>-------> (x+5)*(x-5)/(x-5)------------> (x+5)

the answer is the option B)
(x+5)</span>

4 0
3 years ago
Read 2 more answers
Damian owns a small business selling bagels. He knows that in the last week 40 customers paid cash, 66 customers used a debit ca
PSYCHO15rus [73]

Answer:

Cash

Step-by-step explanation:

You got that money just have damian ask fo that cash$$$$$$

7 0
3 years ago
Read 2 more answers
Find the value of x in each case.
Tatiana [17]

Answer:

• First pic

{ \tt{4x + 65 \degree + x = 180 \degree}} \\  \dashrightarrow \: { \sf{ \{angles \: on \: straight \: line \}}} \\  \\ { \tt{5x + 65 \degree = 180 \degree}} \\  \\ { \tt{5x = 180 \degree - 65 \degree}} \\  \\ { \tt{x =  (\frac{115}{5} ) \degree}} \\  \\  \dashrightarrow \: { \boxed{ \tt{ \:  \: x = 23 \degree \:  \: }}}

• Second pic:

{ \tt{(180 \degree - 124 \degree) + 2x = 6x}} \\  \dashrightarrow \: { \sf{ \{interior \: angle \: sum equivexterior \: angle \} }} \\  \\  { \tt{56 \degree = 6x - 2x}} \\  \\ { \tt{4x = 56 \degree}} \\  \\ { \tt{x = ( \frac{56}{4} ) \degree}} \\  \\  \dashrightarrow \: { \boxed{ \tt{x = 14 \degree}}}

8 0
3 years ago
Read 2 more answers
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