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2 years ago

I need help with studying

1 answer:

4 0

Whenever you study try not to study in your bed so that you don’t fall asleep too easily also set a timer for maybe 20 minutes and then take five minute breaks in between to get a snack or glance at your phone or just relax. Try not to overwork yourself.

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PLS ANSWER QUICKLY!!

olganol [36]

Answer:

EF=6

Step-by-step explanation:

E is the midpoint, so DE = EF

DE = 15-3x

EF = x+ 3

Since DE = EF,

15 - 3x = x + 3

-4x = -12

x = 3

If x = 3,

DE = 15 - 3*3, 15 - 9 = 6

EF = x+ 3, so EF = 3 + 3 = 6

6 0

2 years ago

Which of the following statements represent the relationship between the sine and cosine of complementary angles? Select all tha

mafiozo [28]

Answer:

I think its the first and the third one

Step-by-step explanation:

lemme know if this helps :)

8 0

2 years ago

Read 2 more answers

Find the linear equation from this table

Brums [2.3K]

Answer:

y=2x+5

Step-by-step explanation:

The slope-intercept form of a linear equation is:

y=mx+b

Where m is the slope and b is the y-intercept.

We can start by finding the slope...

$Slope=\frac{y_2-y_1}{x_2-x_1}$

We can use any two x, y pairs to solve for the slope. In this case let's use (0,5) and (2,9)...

$Slope=\frac{9-5}{2-0}=\frac{4}{2}=2$

The y-intercept is where the line intersects the y-axis. This means that the x value is 0. In the table we can see when the x value is 0, the y value is 5 meaning the y-intercept is 5...

y=2x+5

6 0

1 year ago

Expand the logarithm. Log5 5x^-5

zhuklara [117]

Answer:

$\large\boxed{C.\ \log_55+-5\log_5x}$

Step-by-step explanation:

$\log_ab^c=c\log_ab\\\\\log_a(bc)=\log_ab+\log_ac\\=====================\\\\\log_55x^{-5}=\log_55+\log_5x^{-5}=\log_55+-5\log_5x$

3 0

3 years ago

Write what the expressions below best represent within the context of the word problem.

masya89 [10]

Answer:

2 nickels

6 quarters

Step-by-step explanation:

Let quarters be 3x and nickels be $x

if Mark had 3 times as many quarters as nickels, and if he had $1.60 in all, than

( 0.25)3x + 0.05x=1.6

0.75x+ 0.05x=1.6

0.8x=1.6

x=1.6/0.8

x=2 nickels

and 3 (2)=6 quarters

8 0

3 years ago

Read 2 more answers

I need help with studying​

I need help with studying