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Citrus2011 [14]
3 years ago
15

A customer bought $329.69 worth of building materials for a home remodeling project. They returned some of the unused materials

worth $59.63. Estimate to determine how much the customer spent on building materials by rounding to the nearest $10. Estimate to determine how much the customer spent on building materials by rounding to the nearest $10.
Mathematics
1 answer:
Sloan [31]3 years ago
8 0
Use ft math it will help you as well as photo math
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In a basketball game, the bulldogs make a total of 21 shots. Some of the shots are 2-pt shots while others are 3-pt shots. The b
VARVARA [1.3K]

Answer:

It is 8 3 pointers and 13 2 pointers

Step-by-step explanation:

8 x 3 = 24

13 x 2 = 26

24 + 26 = 50

6 0
3 years ago
(solve the following problem using integers. show ALL your work.)
yulyashka [42]

Answer:

$4

Step-by-step explanation:

30+20=50

50-48=2

2+20+=22

22-18=4

if she has 30 then gets 20 she has 50. Then she spends 48 dollars leaving her with only 2 dollars. She then makes another 20 dollars so she now has 22 dollars. She spends 18 dollars leaving her with 4 dollars.

8 0
3 years ago
A doctor prescribes 150 milligrams of a therapeutic drug that decays by about 15% each hour. To the nearest hour, what is the ha
Nikolay [14]

Answer:

4 hours

Step-by-step explanation:

The amount remaining at the end of each hour is 0.85 of the amount at the start of the hour. You want to find the exponent such that ...

... 0.85^x = 0.5 . . . . . x = the number of hours until half is left

... x·log(0.85) = log(0.5) . . . . . take the log to turn it to a linear equation

... x = log(0.5)/log(0.85) ≈ 4.265024

Rounded to the nearest  hour, x = 4.

3 0
3 years ago
A 20-ounce bag of popcorn costs $2.80. If the unit price stays the same, how much does a 35-ounce bag of popcorn cost?
Wittaler [7]

Answer:

I think the answer is C

4 0
3 years ago
Find the x-coordinate where the graph of the function f(x) = e(–sinx) has a slope of 0
balandron [24]

y = e^{-sin(x)}

y' = -e^{-sin(x)}(cos(x))

0 = -e^{-sin(x)}(cos(x))

When is cos (x) = 0?  <em>at 90° (aka π/2)</em>

Answer: \frac{\pi}{2}

4 0
3 years ago
Read 2 more answers
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