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3 years ago

Find the equation of the exponential function represented by the table below:

Mathematics

1 answer:

ozzi3 years ago

7 0

Answer:

$y = 2(4)^{x}$

Step-by-step explanation:

At x=0

$y = 2(4)^{0} = 2$

At x=1

$y = 2(4)^{1} = 8$

At x=2

$y = 2(4)^{2} = 32$

At x=3

$y = 2(4)^{3} = 128$

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How do I solve it. I don't understand where I should start the problem I have the formulas

anzhelika [568]

Fist you have to find the volume which is 24 x 18 x 5= 2160 feet.
Then the dump truck can only take 8 cubic yards so then you have to make the 2160 feet into yards.
There are 3 feet in one yard so 2160/3=720
so now there are 720 yards and since the dump truck can only take 8 yards a trip then it would take 90 trips/dumps to empty out the area for the pool.
720/8=90
Hope this helps

5 0

3 years ago

How do I find it. ..............

Alenkinab [10]

Answer:

∠CBD = 4(4) + 52°

= 16° + 52°

= 68°

Step-by-step explanation:

Given that,

∠ABC = 8x - 10°

∠CBD = 4x + 52°

Also,

∠ABD = 90°

∠ABD = ∠ABC + ∠CBD

∠ABD (90°) = (4x + 52°) + (8x - 10°)

∠ABD (90°) = 4x + 52° + 8x - 10°

∠ABD (90°) = (4x + 8x) + (52° - 10°)

∠ABD (90°) = 12x + 42°

90° - 42° = 12x

48° = 12x

$\frac{48}{12}$ = x

4° = x

∠CBD = 4x + 52°

∴ ∠CBD = 4(4°) + 52°

= 16° + 52°

= 68°

7 0

4 years ago

A gardener uses 1\3 of liter of water to water 2\7 of the garden

andrew11 [14]

The answer is 13 because you add.

4 0

4 years ago

Maria invested $4,000 at 3.5% simple interest. She left the principal invested for 57 months. Robert invested $3,500 at 8.5% sim

Alex_Xolod [135]

Answer:

Maria have $123,75 more total money than Robert at the end of their investments.

Step-by-step explanation:

To calculate the simple interest we should multiply the Initial invest, with the interest without percentage and the time in years.

As the time is in months we have to divide it by 12 so we have the mesure of time in years, then the interest for each of the investments will be:

Maria

Invest = $4,000 Interest = 3.5/100=0.035 Time = 57/12 = 4.75

Simple Interest = 4,000 x 0.035 x 4.75 = $665

Total money at the end of the invest = $4,000 + $665 = $4,665

Robert

Invest = $3,500 Interest = 8.5/100=0.085 Time = 42/12 = 3.5

Simple Interest = 3,500 x 0.085 x 3.5 = $1,041.25

Total money at the end of the invest = $3,500 + $1,041.25 = $4,541.25

Now we have to subtract the total money of Robert from the total money of Maria to know how much money did she got over Robert after their invests

$4,665 - $4,541.25 = $123.75

At the end of the invest, Maria got $123,75 more than Robert

8 0

3 years ago

Keiko, Abdul, and Bob have a total of $82 in their wallets. Keiko has $7 more than Abdul. Bob has 3 times what Abdul has. How mu

dlinn [17]

Answer:

abdul has 15

keiko has 22

bob has 45

Step-by-step explanation:

82= a+7+3a+a

75=a+3a+a

75=5a

15=a

15=abdul

15+7=keiko

3(15)=bob

8 0

3 years ago