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Kay [80]
3 years ago
9

I need help with this please

Mathematics
2 answers:
Savatey [412]3 years ago
7 0

Answer:

t = \frac{D-M}{Mr}

Step-by-step explanation:

Given

D = M + Mrt ( subtract M from both sides )

D - M = Mrt ( divide both sides by Mr )

\frac{D-M}{Mr} = t

ss7ja [257]3 years ago
4 0

Answer:

t = D/Mr - 1/r or (D - M)/Mr

Step-by-step explanation:

D = M + Mrt

isolate t

D - M = Mrt

(D - M)/M = rt

D/M - 1 = rt

D/Mr - 1/r = t

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Under her cell phone plan, Ellie pays a flat cost of $50 per month and $5 per
erastovalidia [21]

Answer:

She can use 4GB of data

You keep on adding five dollars on top of 50 until you reach 70.

6 0
2 years ago
6 for $14.34<br> each. Please I really need help with this.
Marrrta [24]
6 items for $14.34 each is $86.04.
3 0
2 years ago
Tyler and Erin go out to eat . their food and beverages cost 52.25 and there is an 8% meals tax, how much is the bill? write you
drek231 [11]

Answer:

56.43

Step-by-step explanation:

52.25 + 4.18 (8% tax)

7 0
2 years ago
Bobby has a bag containing 2 sizes of marbles. The big ones weigh 10 g and the small ones weigh 3 g. If there are three times as
Vikentia [17]

Answer:

There are 19 big marbles

Step-by-step explanation:

10a + 3b = 209

a = 3b

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8 0
3 years ago
ella drew a rectangle that was 3 units wide and 4 units long. Draw a different rectangle that has the same perimeter but a diffe
RUDIKE [14]
First we can find the perimeter of the given rectangle

P=2L+2W (L=length and W=width)
P=2*3+2*4
P=6+8
P=14

So now we want to come up with a different combination of numbers that would give up a perimeter of 14. We know that 14 is divisible by 2 so let's make out width 2. If we plug in 2 as the width and 14 as the perimeters, we can solve for length

14=2L+2*2
14=2L+4 
10=2L (subtract 4 from both sides)
L=5

So the dimensions are 5 units and 2 units

Hope this helps!
5 0
3 years ago
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