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tangare [24]
3 years ago
6

Kyle has 105 baseball cards and must give 2/5 of his cards away.

Mathematics
1 answer:
klasskru [66]3 years ago
5 0
1. 42 cards
2. 3/5 of his cards
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A cube measures 3.0 CM on each side and has a mass of 25g. What is the density?
Oxana [17]

Answer:

D ≈ 0.925926 g/cm³

Step-by-step explanation:

Density = Mass / Volume

Step 1: Define

M = 25 g

V = (3 cm)³ = 27 cm³

D = ?

Step 2: Substitute and Evaluate for Density

D = 25g / 27 cm³

D = 25/27 g/cm³

D ≈ 0.925926 g/cm³

8 0
4 years ago
(3-22)-6 + [28-(4)21-7l÷6+o A. 32C > B. 23OC, 55D. 46ー 23563254S ABCD
anzhelika [568]
I got b
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3 0
3 years ago
If f(x)f(x) is an exponential function where f(-0.5)=27f(−0.5)=27 and f(1.5)=21f(1.5)=21, then find the value of f(0.5)f(0.5), t
vovikov84 [41]

Given:

f(x) is an exponential function.

f(-0.5)=27

f(1.5)=21

To find:

The value of f(0.5), to the nearest hundredth.

Solution:

The general exponential function is

f(x)=ab^x

For, x=-0.5,

f(-0.5)=ab^{-0.5}

27=ab^{-0.5}          ...(i)

For, x=1.5,

f(1.5)=ab^{1.5}

21=ab^{1.5}          ...(ii)

Divide (ii) by (i).

\dfrac{21}{27}=\dfrac{ab^{1.5}}{ab^{-0.5}}

\dfrac{7}{9}=b^2

Taking square root on both sides, we get

\dfrac{\sqrt{7}}{3}=b

b\approx 0.882

Putting b=0.882 in (i), we get

27=a(0.882)^{-0.5}

27=a(1.0648)

\dfrac{27}{1.0648}=a

a\approx 25.357

Now, the required function is

f(x)=25.357(0.882)^x

Putting x=0.5, we get

f(0.5)=25.357(0.882)^{0.5}

f(0.5)=23.81399

f(0.5)\approx 23.81

Therefore, the value of f(0.5) is 23.81.

6 0
3 years ago
What is 3.8 in a fraction
Arte-miy333 [17]
I'm not sure if it's this answer so all you do don't put it I think it's 19 over 5
5 0
4 years ago
Un carpintero construye una rampa para alcanzar una puerta que está a 2 pies sobre el suelo. La
lora16 [44]

Step-by-step explanation:

Vehicular. Pendiente máxima: 20%.

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