What is 3/8 plus 5/16

Answers

Answer 1

Answer: 3/8 + 5/16 = (3/8)*(2/2) + 5/16
= (3*2)/(8*2) + 5/16
= 6/16 + 5/16
= (6+5)/16
= 11/16

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Please, show your work . Thanks

Answers

4.
seems to be a geometric sequence
common ratio is -4
first erm is -2
$a_(n)=-2(-4)^(n-1)$

5. x=-1
remember x^-1=1/x
f(-1)=4(7^-1)=4(1/7)=4/7
f(2)=4(7^2)=4(49)=196

6. remember
(ab)/(cd)=(a/c)(b/d)
also
(x^m)/(x^n)=x^(m-n)
and
(x^m)(x^n)=x^(m+n)

so
$(4.5*10^(3))/(9*10^(7))$ =
( $(4.5)/(9)$ )( $(10^(3))/(10^(7))$ )=
(0.5)( $10^(3-7)$ =
(0.5)(10^-4)=
(5)(10^-1)(10^-4)=
(5)(10^(-1-4)
5*10^-5

4. $a_(n)=-2(-4)^(n-1)$

5. f(-1)=4/7
f(2)196

6. 5 times 10^-5

A chef buys 9 cucumbers 18 peppers and 21 pepers at the farmers market how much does she pay

Answers

you'll have to find out how much each thing cost then solve the problem there isnt enough information

we need more information about the math problem™

A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is 15 in. tall. Write a linear equation to model the relationship between heigh h of the candle and time t. Predict how tall the candle will be after 8 hours.

Answers

Let

x------> the time in hours

y------> the height in inches

$A(3,17)\nB(5,15)$

Step $1$

Find the slope m of the linear equation between points A and B

we know that

The formula to calculate the slope between two points is equal to

$m=((y2-y1))/((x2-x1))$

substitutes the values

$m=((15-17))/((5-3))$

$m=((-2))/((2))$

$m=-1$

Step $2$

Find the equation of the line

we know that

the equation of the line in the point-slope form is

$y-y1=m*(x-x1)$

we have

$m=-1$

$A(3,17)$

substitute in the equation

$y-17=-1*(x-3)$

$y=-x+20$ --------> this is the linear equation that model the relationship between height h of the candle and time t

Step $3$

Find the height for $x=8$ hours

substitute the value of x in the linear equation

$y=-8+20$

$y=12\ inches$

The height of the candle will be $12\ inches$ after $8\ hours$

For the linear equation you have two points (3, 17) and (5, 15) so the equation is: h-17=(15-17)/(5-3)*(t-3), solve for h= -t+20.
For predicting, only replace t=8 into you equation (h= -t+20) and you will get h=-8+20=12

How would you draw a counterexample to this?

Answers

Melanie said:
Every angle bisector in a triangle bisects the opposite side perpendicularly.

A 'counterexample' would show an angle bisector in a triangle that DOESN'T
bisect the opposite side perpendicularly.

See my attached drawing of a counterexample.

Both of the triangles that Melanie examined have equal sides on both sides
of the angle bisector. That's the only way that the angle bisector can bisect
the opposite side perpendicularly. Melanie didn't examine enough different
triangles.

a set of numbers is shown below 0,0.6,2,4,6 which of the following shows all the numbers from the set that make the ineqaulity 2x +3 greater than or eqaul to no less than 7 true?

Answers

I think I have this one gotta look

1 2/3 divided by 3/5

Answers

Answer: 9/25

Step-by-step explanation:

Use a calculator.

1 2/3=5/3.

5/3 / 3/5=3/5*3/5=9/25.

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