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Arlecino [84]
3 years ago
5

Assume there are 365 days in a year

Mathematics
1 answer:
Airida [17]3 years ago
8 0
Part A
86%
Part B
1/2 
i hope i helped out
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Jennifer went to the post office for stamps. She bought the same number of 8-cent stamps and 10-cent stamps. She also bought as
PolarNik [594]
E=number of eight cent stamps
t=number of ten cent stamps bought
w=number of 2 cent stamps bought

number of eight=number of ten
e=t

as many 2 cent as the other 2 combined
e+t=w or
2e=w=2t

total she bouthgt 4.40
4.40=440 cents
8e+10t+2w=440
solve for t or e, I solve for t
8t+10t+2(2t)=440
18t+4t=440
22t=440
divide 22
t=20


t=e
20=e
w=2e
w=2(20)
w=40


answer is
20 eight cent
20 ten cent
40 two cent
8 0
3 years ago
1 2/5 x 1 1/4 simplify as much as possible right answer as a mixed number pls
Olenka [21]

7/5 x 5/4
= 1 3/4
One and three fourths
5 0
4 years ago
NEEEEEEEEEED ANSWER FFFFFFAAAAAAAAAAASSTTTTTTTT
Firdavs [7]
(y^2)^5 × y^8
Use the rule:
({ {y}^{m} })^{n}  =  {y}^{m \times n}
To get:
y^10, then, use the rule:
{y}^{m}  \times  {y}^{n}  =  {y}^{m + n}
To eventually get:
y^(10+8) = y^18 or: y18 seeing as you wrote it like that.


8 0
3 years ago
(a) Find the Riemann sum for f(x) = 4 sin(x), 0 ≤ x ≤ 3π/2, with six terms, taking the sample points to be right endpoints. (Rou
miskamm [114]

Split up the integration interval into 6 subintervals:

\left[0,\dfrac\pi4\right],\left[\dfrac\pi4,\dfrac\pi2\right],\ldots,\left[\dfrac{5\pi}4,\dfrac{3\pi}2\right]

where the right endpoints are given by

r_i=i\dfrac{\frac{3\pi}2-0}6=\dfrac{i\pi}4

for 1\le i\le6. Then we approximate the integral

\displaystyle\int_0^{3\pi/2}4\sin x\,\mathrm dx

by the Riemann sum,

\displaystyle\sum_{i=1}^6f(r_i)\frac{\frac{3\pi}2-0}6=\pi\sum_{i=1}^6\sin\frac{i\pi}4

=\pi\left(\dfrac1{\sqrt2}+1+\dfrac1{\sqrt2}+0-\dfrac1{\sqrt2}-1\right)=\dfrac\pi{\sqrt2}\approx\boxed{2.221441}

Compare to the actual value of the integral, which is exactly 4.

5 0
4 years ago
ASAP!! PLEASE HELP ME WITH THIS<br>evaluate (1/2)² <br><br>​
djyliett [7]

Answer:

(1 \div 2) {}^{2}  \\  =  1\div 4

Hence,

(1/2) ² = 1/4

7 0
3 years ago
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