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katrin [286]
3 years ago
9

In order to save for a new computer and printer, Joseph has a summer job working at the marina where he earns $8.50 per hour. Hi

s weekly earnings are listed in the table below
The computer he wants costs $1575, and the printer costs $225. Joseph has to earn at least how much more money, m, in order to be able to afford the computer and printer?

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
8 0

Answer:

gfdsxfcdsxdfdsdfdsasdsa

Step-by-step explanation:

siniylev [52]3 years ago
4 0
The correct answer is B

Explanation:

He has already made $1088 which means he needs at least (greater than or equal to) $712 more.
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Phoenix [80]

Answer:

x=37 CD=20

Step-by-step explanation:

We know this becuase the two triangles are congruent.

3 0
3 years ago
Find an explicit solution of the given initial-value problem. (1 + x4) dy + x(1 + 4y2) dx = 0, y(1) = 0
MissTica

Answer:

a solution is 1/2 *tan⁻¹ (2*y) = - tan⁻¹ (x²) + π/4

Step-by-step explanation:

for the equation

(1 + x⁴) dy + x*(1 + 4y²) dx = 0

(1 + x⁴) dy  = - x*(1 + 4y²) dx

[1/(1 + 4y²)] dy = [-x/(1 + x⁴)] dx

∫[1/(1 + 4y²)] dy = ∫[-x/(1 + x⁴)] dx

now to solve each integral

I₁= ∫[1/(1 + 4y²)] dy = 1/2 *tan⁻¹ (2*y) + C₁

I₂=  ∫[-x/(1 + x⁴)] dx

for u= x² → du=x*dx

I₂=  ∫[-x/(1 + x⁴)] dx = -∫[1/(1 + u² )] du = - tan⁻¹ (u) +C₂ =  - tan⁻¹ (x²) +C₂

then

1/2 *tan⁻¹ (2*y) = - tan⁻¹ (x²) +C

for y(x=1) = 0

1/2 *tan⁻¹ (2*0) = - tan⁻¹ (1²) +C

since tan⁻¹ (1²) for π/4+ π*N and tan⁻¹ (0) for  π*N , we will choose for simplicity N=0 . hen an explicit solution would be

1/2 * 0 = - π/4 + C

C= π/4

therefore

1/2 *tan⁻¹ (2*y) = - tan⁻¹ (x²) + π/4

5 0
4 years ago
Four individuals with high levels of cholesterol went on a special crash diet, avoiding high-cholesterol foods and taking specia
shutvik [7]

Answer:

uh l.m.a.o this is why im failing math

Step-by-step explanation:

lol

3 0
3 years ago
1.y=-1 is a solution of the equation x+y=2​
SCORPION-xisa [38]

Answer:

x=3

Step-by-step explanation:

Y=-1

x+y=2

x-1=2

x=3

3-1=2

4 0
4 years ago
Read 2 more answers
F(x) = -x² + x + 14<br> Find f (2)
Rama09 [41]

Answer:

Step-by-step explanation:

f(2) = -2^2 + 2 + 14 = -4 + 2 + 14 = 12

5 0
3 years ago
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