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Aleksandr-060686 [28]
3 years ago
5

Help solve plz thanks

Mathematics
2 answers:
padilas [110]3 years ago
5 0
The answer is :

b = t - 5 / 4
klasskru [66]3 years ago
5 0

Answer:

b = \frac{t-5}{4}

Step-by-step explanation:

Given

4b + 5 = t ( isolate 4b by subtracting 5 from both sides )

4b = t - 5 ( divide both sides by 4 )

b = \frac{t-5}{b}

You might be interested in
5(2x + 3)2 when x = 3.
Anni [7]

Answer:

Step-by-step explanation:

5 x 2=10 x 3 = 30

6 0
3 years ago
X and y vary inversely and x=50 when y=5 find y when x=10 what is k?
Kisachek [45]

Answer:

Part A)

1)  k=250

2) y=25

Part B)

1)  k=7

2) y=84

Step-by-step explanation:

Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form y*x=k or y=k/x

step 1

<u>Find the value of k</u>

x=50 when y=5

substitute the values

y*x=k ------> 5*50=k -----> k=250

The equation is equal to

y*x=250  or y=250/x

step 2

<u>Find y when x=10</u>

substitute the value of x in the equation and solve for y

y*(10)=250

y=250/10=25

Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

step 1

<u>Find the value of k</u>

x=6 when y=42

substitute the values

y/x=k ------> 42/6=k -----> k=7

The equation is equal to

y/x=7  or  y=7x

step 2

<u>Find y when x=12</u>

substitute the value of x in the equation and solve for y

y=7(12)=84

5 0
3 years ago
Aaron made a $400 purchase using his credit card. The credit card has a simple interest rate of 12% each year. How much will Aar
melisa1 [442]

Answer:  448 dollars

=============================================

Work Shown:

P = 400 is the balance

r = 0.12 is the decimal form of the interest rate

t = 1 is the number of years

Use those values to get the simple interest to be

i = P*r*t

i = 400*0.12*1

i = 48

The amount of interest charged is $48

Add this onto the balance of 400 dollars and the total amount Aaron owes is P+i = 400+48 = 448 dollars.

5 0
3 years ago
What is the volume of a rectangular prism with the dimensions: base 5 8 cm, height 2 3 cm, and length 3 4 cm?
Darina [25.2K]

58 x 23 x 34 = 45356 cm³

7 0
3 years ago
Steve paid 10% tax on a purchase of 40$
aivan3 [116]
He would need to pay $44 for the purchase because
10% x $40 = $4
$40 + $4 = $44

hope this helped ((:
5 0
3 years ago
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