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Dominik [7]
2 years ago
15

Ben is 3 times as old as daniel and is also 4 years older than daniel

Mathematics
1 answer:
Phoenix [80]2 years ago
6 0

Answer:

12

Step-by-step explanation:

when its says time multiply

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Sadie sells pianos for $815, and the sales tax rate is 15% of the sales price. About how much is the sales tax on the piano?
-Dominant- [34]
I'm pretty sure it's C. but i dont count on it... i dont have a paper and pancil to work it out

7 0
3 years ago
Read 2 more answers
Can u guys pls help me on this question and pls explain how u got the answer
Pie

Answer:

Step-by-step explanation:

find the area of every face and the base

area of face 1= 2

area of face 2= 2

area of face 3 = 2

area of base 1= 1.7

7.7 in squared

area of a triangle is the base x height divided by 2

face 1- 2 x 2=4

4/2=2

2x3(theres 3 faces to a triangle) =6

area of base- 2 x 1.7= 3.4

3.2/2=1.7

add the faces and the base together

7.7

8 0
3 years ago
A scientist measures a substance to be 0.6 grams. Calculate the percent of error in the measurement. Show all work for full cred
Anni [7]
A measurement of 0.6 grams means that the 'true' answer lies between
<span>0.55 and 0.65 </span>

In general, the uncertainty in a single measurement from a single instrument is half the least precise decimal given for the instrument.
The precision for this measurement is in the tenths place.
so we take 0.1 /2 = 0.05, and divide by the measurement

<span>0.05 / 0.6 = 0.08333 = 8.3 %</span>
6 0
3 years ago
Solve for e.<br> 9e+4=-5e+14+13e9e+4=−5e+14+13e<br> e=
Kitty [74]

Answer:

e = 10

Step-by-step explanation:

9e+4=-5e+14+13e

Combine like terms

9e+4=14+8e

Subtract 8e from both sides

9e-8e+4=8e-8e +14

e +4 = 14

Subtract 4 from each side

e+4-4 = 14-4

e = 10

5 0
3 years ago
At a bargain store, Tanya bought three items that each cost the same amount. Tony bought four items that each cost the same amou
djverab [1.8K]
Each of Tony’s items are $7.65
Each of Tanyas items are $10.2
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2 years ago
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