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VARVARA [1.3K]
3 years ago
10

Can someone help me with this problem pleasee

Mathematics
2 answers:
Nikitich [7]3 years ago
6 0

Answer:

v=8

Step-by-step explanation:

Let's solve your equation step-by-step.

16v−9v=56

Step 1: Simplify both sides of the equation.

16v−9v=56

16v+−9v=56

(16v+−9v)=56(Combine Like Terms)

7v=56

7v=56

Step 2: Divide both sides by 7.

7v

7

=

56

7

v=8

hope this helps!

topjm [15]3 years ago
3 0

Answer:

v = 8

Step-by-step explanation:

<u>Given</u>

16v – 9v= 56

<u>Collect like terms</u>

<u />

7v = 56

<u>Divide both sides of the equation by 7</u>

<u />

v = 8

<u>Solution</u>

<u />

v = 8

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Alexa opens a savings account with a starting balance of $10,000. She will not make any additional deposits or withdrawals. The
Mice21 [21]

Answer:

$12,000

Step-by-step explanation:

Use the simple interest formula: P = A(1 + rt)

P = final balance (?)

A = starting balance (10,000)

r = interest rate (0.05)

t = years (4)

P = 10,000(1 + 0.05 · 4)

P = 10,000(1 + 0.2)

P = 10,000(1.2)

P = 12,000

5 0
2 years ago
Principle = $15,500 Interest Rate = 8.75% Time = ? Years Simple Interest = $5425.00
amid [387]
We must find time by using the simple interest formula:

I = P x i x t

I is the interest
P is the total principal 
i is the rate of interest per year
t is the total time in years

In this example, when we plug our known values in, our formula looks like this: 

t = \frac{I}{i*p}

t = \frac{5425}{0.0875 * 15500}

t = 4

So time (in years) would be 4 years. 
7 0
2 years ago
Solve the simultaneous equations 4x+8y=-4 2y-5x=23
ad-work [718]

Answer:

x = -4,  y = 3/2

Step-by-step explanation:

simplify the 1st equation by dividing each term by 4 to get:

x + 2y = -1

-5x + 2y = 23

Subtract to get: 6x = -24

x = -4

find 'y':    2y - 5(-4) = 23

               2y + 20 = 23

               2y = 3

                y = 3/2

8 0
2 years ago
Read 2 more answers
A battalion of 520 soldiers goes through 16,380 pounds of rations in 3 weeks. If 780 more soldiers join the battalion, how many
Scorpion4ik [409]

They would need 34.125 tons of rations.


In order to find this, we first need to see how many pounds of rations a single soldier eats in a week. To do this, we take the total eaten in 3 weeks and divide by 3. Then we divide by the number of soldiers.


16,380/3 weeks= 5460 lbs per week


5460/520 soldiers = 10.5 lbs per soldier per week


Now we look to see how many soldiers we will have in total after adding. There are 520 to start and we add 780 to get 1300 total. Next we multiply that by the total per soldier per week.


10.5lbs per soldier per week * 1300 soldiers = 13,650lbs per week


Then we have to multiply by the 5 weeks that battalion will be there.


13,650lbs * 5 weeks = 68,250lbs of rations or 24.125 tons.


5 0
3 years ago
Write the equation of each line using the given information.
MrRissso [65]

Answer:

See explanation.

Step-by-step explanation:

We need a point and a slope to have a point slope equation.

y-y_{1}=m(x-x_{1})

We need a slope and y-intercept to write in slope intercept form.

y=mx+b

A) y-1=\frac{1}{2}(x+4) or y=\frac{1}{2}x+3

B) y+1=-1(x-2)

C) y-1=0(x-1)

D) y=-3x+8

4 0
3 years ago
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