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3 years ago

Please help me quickly !!

Mathematics

1 answer:

Marrrta [24]3 years ago

3 0

Answer: The solution is is x=7

Step-by-step explanation:

4/3x - 1/3 = 9

+1/3 +1/3

4/3x/4/3 = 28/3

x= 7

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Maria is play a game where you score -5 points each time you guess the correct answer.The goal is to get the lowest score.To win

oee [108]

Answer:

Step-by-step explanation:

Just notice that correct answers are whole numbers.

And, to win the game,Maria must have a score less than -80, it means she needs to score al least -85 ( it can not be -81, -82.. because 1 correct answer score -5, only multiples of -5 are accepted)

So, we take: $\frac{-85}{-5}$ = 7 correct answers to win the game.

Hope it will find you well.

5 0

3 years ago

A loan of $16,840 is borrowed at 9% simple interest and is repaid with $4,167.90 interest. What is the duration of the loan?

rewona [7]

9514 1404 393

Answer:

2 3/4 years

Step-by-step explanation:

The interest is given by the formula ...

I = Prt . . . . . . principal P at annual rate r for t years

Solving for t gives ...

t = I/(Pr)

t = 4167.90/(16840×0.09) = 2.75

The duration of the loan is 2 3/4 years.

5 0

3 years ago

Secant BE and CF intersect at point A inside D. What is the measure of BF?

svet-max [94.6K]

Answer:

$\text{BF}=80^{\circ}$

Step-by-step explanation:

We have been given a circle D. Secant BE and CF intersect at point A inside D. We are asked to find the measure of arc BF.

We know that when two secants intersect inside a circle, then the measure of angle formed is half the sum of intercepting arcs.

$m\angle EAF=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}$

$70^{\circ}=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}$

$2*70^{\circ}=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}*2$

$140^{\circ}=\text{Measure of arc EF+Measure of arc BC}$

We know that degree measure of circumference of circle is 360 degrees, so we can set an equation as:

$\text{Arc EF+BC+EC+BF}=360^{\circ}$

$140^{\circ}+140^{\circ}+\text{BF}=360^{\circ}$

$280^{\circ}+\text{BF}=360^{\circ}$

$280^{\circ}-280^{\circ}+\text{BF}=360^{\circ}-280^{\circ}$

$\text{BF}=80^{\circ}$

Therefore, the measure of arc BF is 80 degrees.

5 0

3 years ago

-7m+5=(m+8)+4(m+5)<br>answers?

labwork [276]

Answer: m= −23 /12

Step-by-step explanation:

5 0

4 years ago

<br> Can someone plz help me on this plz I beg u

dexar [7]

Answer:

10,120cm³

Step-by-step explanation:

Volume of pyramid formula:

$V = \frac{l*w*h}{3}$

l = length

w = width

h = height

Plug in the numbers:

V = 46*20*33/3

V = 10120

8 0

3 years ago

Read 2 more answers