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Crank
2 years ago
13

PLEASE HELP,I WIL GIVE BRAINLIEST.

Mathematics
2 answers:
stiks02 [169]2 years ago
8 0

Answer:

70 ft

Step-by-step explanation:

300/20 = 15

20x2=40

15x2=30

40+30=70

ludmilkaskok [199]2 years ago
7 0

Answer:

70 ft

Step-by-step explanation:

20 + 20 + 15 + 15

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HELP PLS!! INCLUDE EXPLAINING THANK YOU
kap26 [50]

Answer:

Lucy paid the least amount of money and she paid $770

Step-by-step explanation:

The way to find dylans is

1000-80= $920

920 x .15= $782

for lucy you do:

1000 x .15= $150

150 + 80= $230

1000-230= $770

5 0
3 years ago
(Apex!) Select the two values of x that are roots of this equation 3x-5=-2x^2
katovenus [111]

Answer:

B and D

Step-by-step explanation:

Write as a quadratic

-2x² - 3x + 5 = 0

Factor

-2x² - 5x + 2x + 5 = 0

-x(2x + 5) + 1(2x + 5) = 0

(1 - x)(2x + 5) = 0

To make the equation 0, x is either 1 or -5/2.

4 0
3 years ago
Three forces act on a hook. Determine the magnitude of the resultant of the force.
Novay_Z [31]

Use Hooke's law... (just kidding)

Break down each force vector into horizontal and vertical components.

\vec F_1=(1000\,\mathrm N)(\cos30^\circ\,\vec x+\sin30^\circ\,\vec y)\approx(866.025\,\mathrm N)\,\vec x+(500\,\mathrm N)\,\vec y

\vec F_2=(1500\,\mathrm N)(\cos160^\circ\,\vec x+\sin160^\circ\,\vec y)\approx(-1409.54\,\mathrm N)\,\vec x+(513.03\,\mathrm N)\,\vec y

\vec F_3=(750\,\mathrm N)(\cos195^\circ\,\vec x+\sin195^\circ\,\vec y)\approx(-724.444\,\mathrm N)\,\vec x+(-194.114\,\mathrm N)\,\vec y

The resultant force is the sum of these vectors,

\vec F=\displaystyle\sum_{i=1}^3\vec F_i\approx(-1267.96\,\mathrm N)\,\vec x+(818.916\,\mathrm N)\,\vec y

and has magnitude

|\vec F|\approx\sqrt{(-1267.96\,\mathrm N)^2+(818.916\,\mathrm N)^2}\approx1509.42\,\mathrm N

The closest answer is D.

5 0
2 years ago
5 + 7) + 3 = 5 + (7 + 3)
Liula [17]

Answer:

Step-by-step explanation:

Associative property

3 0
3 years ago
Mae Ling earns a weekly salary of 325$ plus a 6.5% commission on sales at a gift shop. how much would she make in a work eek if
REY [17]
6.5% of 4,800= 312
325+312= 637
$637
5 0
3 years ago
Read 2 more answers
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