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lyudmila [28]
2 years ago
9

1/2x+3/2(x+1) -1/4=5?

Mathematics
1 answer:
iren2701 [21]2 years ago
6 0

Answer:

Step-by-step explanation:

Exact Form:

x = 15 /8  

x=1.875

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Change each fraction or mixed number to a percent. a. 2⁄5 b. 7⁄20 c. 111⁄16 d. 141⁄4
tino4ka555 [31]

a. 2⁄5 = 0.4 = 40%

b. 7⁄20 = 0.35 = 35%

c. 11 1⁄16 = 6.9375  ≈694%

d. 141⁄4 = 35.25 = 3525%

6 0
3 years ago
(1-w-w²)⁶=64 prove thta​
VLD [36.1K]

1−w−w2=64

Step 1: Simplify both sides of the equation.

−w2−w+1=64

Step 2: Subtract 64 from both sides.

−w2−w+1−64=64−64

−w2−w−63=0

For this equation: a=-1, b=-1, c=-63

−1w2+−1w+−63=0

Step 3: Use quadratic formula with a=-1, b=-1, c=-63.

w= −b±√b2−4ac /2a

w= −(−1)±√(−1)2−4(−1)(−63) /2(−1)

w= 1±√−251/ −2

7 0
2 years ago
Determine whether y = 2x - 3 is a linear equation. If so, write the equation in<br> standard form.
beks73 [17]

Answer:

yes, y=2x-3 is linear

2x - y = 3  Standard Form

Step-by-step explanation:

since both the 'x' and 'y' variables have one as their exponents then this represents a linear equation

standard form: Ax + By = C

y = 2x - 3

subtract 2x from each side to get:

-2x + y = -3

divide each term by -1 to get (this is done so the leading coefficient is not negative)

2x - y = 3  Standard Form

4 0
2 years ago
Read 2 more answers
Solve for x to the nearest tenth!!!!
Sedaia [141]

Answer:

√2685 is your answer

hope this will help you

6 0
2 years ago
Solve C = 2πr (solve for "r")<br> C = 15
Jobisdone [24]
C = 2 pi r

but c = 15

15 = 2 pi r
15 = 2 * (22/7) * r
r = (15*7) / 2 / 22
r = 2.386
6 0
3 years ago
Read 2 more answers
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