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allsm [11]
3 years ago
11

Choose Yes or No to tell if each equation is true.

Mathematics
1 answer:
VMariaS [17]3 years ago
6 0

Answer:

#1: No #2: Yes #3: Yes #4: Yes

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Which expression is equivalent to
Damm [24]

Answer:

\frac{(2a+1)^{2} }{50a}

Step-by-step explanation:

\frac{2a+1}{10a-5} * \frac{4a^{2} - 1}{10a}\\ = \frac{2a+1}{5(2a-1)} * \frac{(2a+1)(2a-1)}{10a}\\=\frac{(2a+1)^{2} }{50a}

1.The expression given is in division so when changing to multiplication the fraction is reversed.

2.Using algebra identity a^{2}  - b^{2}  = (a+b)(a-b).

3. Taking the common factor 5 out.

4. Finally cancelling the like terms from the numerator and denominator.

4 0
3 years ago
2x+y=-2
Over [174]

A

given the 2 equations

2x + y = - 2 → (1)

x + y = 5 → (2)

subtract (2) from (1) term by term to eliminate y

(2x - x ) + (y - y ) = (- 2 - 5 )

x + 0 = - 7 ⇒ x = - 7

substitute x = - 7 in either of the 2 equations and solve for y

(2) : - 7 + y = 5 ( add 7 to both sides )

y = 5 + 7 = 12 → A


8 0
2 years ago
The function f(x)=1+1.5ln(x+1) models the average number of free-throws a basketball player can make consecutively during practi
UNO [17]

Answer:

402 days.

Step-by-step explanation:

f(x)=1+1.5ln(x+1)

When f() = 10 we have:

10 = 1 + 1.5ln (x + 1)

ln (x + 1) = (10-1) / 1.5 = 6

x + 1 = e^6

x = e^6 - 1 = 402.4.

8 0
2 years ago
Answer choices
Nadya [2.5K]
8 is the answererrr :))))))
3 0
3 years ago
Read 2 more answers
CORRECT answer gets BRAINLIEST, RATES, THANKS ON PROFILE AND HERE, AND 15 POINTS.
aleksandrvk [35]
The volume of the cylinder by definition is given by:
 V = pi * r ^ 2 * h
 Where,
 r: radio
 h: height
 Substituting values we have:
 V = 3.14 * (14/2) ^ 2 * 4.5
 V = 692.37 ft³
 Answer:
 
the volume of the pool is:
 
V = 692.37 ft³
6 0
3 years ago
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