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ZanzabumX [31]
3 years ago
15

Evaluate 5c+cd when c=1/5 and d=15

Mathematics
2 answers:
Ad libitum [116K]3 years ago
8 0
5c = 1
cd = 3
5c + cd = 4
Elanso [62]3 years ago
5 0
The answer is 4 :)


5(1/5)+1/5(15)
5/5+15/5
1+3
4
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I have 3 green cubes, 4 red cubes, 2 black cubes, and 6 yellow cubes. What is the probability that I will randomly choose a blac
Strike441 [17]

Answer:

4/75 or 0.05333

Step-by-step explanation:

3+4+2+6=15 elements

2/15= probability to choose a black

6/15 = probability to choose a yellow cube

Probability to choose a black AND (*) a yellow = 2/15*6/15=12/225=4/75 or 0.05333

6 0
2 years ago
F(x)=5x^2+10x express f in standard form
Mkey [24]

Answer:  F(x) =  5x^2 + 10x

5 0
2 years ago
Please answer this correctly
Eva8 [605]

Answer:

Surface Area is 56π cm²

Step-by-step explanation:

The area for a cylinder's surface area is

a=2πrh+2πr²

The cylinder base's radius is 4 cm

The cylinder's height is 3 cm

Putting into the equation:

a=2×π×4×3+2×π×4²

a=2π×4×3+2×π×4²

a=8π×3+2×π×4²

a=24π+2×π×4²

a=24π+2×π×16

a=24π+2π×16

a=24π+32π

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The surface area of the cylinder is 56π cm².

5 0
3 years ago
Please help with this math
Luden [163]
The first one
2 \times 3 \times 5
second one
2 \times5 + 3

third one
2 \times 3 - 5
last one
2 \times 3 + 5
3 0
3 years ago
I NEED TO HAND IN NOW!!!
umka21 [38]

Step-by-step explanation:

a)

total no. of pupils is not more than 24

therefore first equation is

(x+y) ≤ 24. ....(1)

No. of girls exceeding the no. of boys by atleast 4

(y-x) ≥ 4. .....(2)

b) Now Liza chooses 8 boys

Maximum no. of girls = ?

Using first inequality

y+8= 24 ( maximum value of less than or equal to function is equal to itself)

Therefore,

y= 24-8

=16

Minimum no. of girls = ?

Using second inequality

y-8 =4 (minimum value of greater than or equal to function is equal to itself)

Therefore,

y= 4+8

y=12

Answer:

a) 2linear inequalities

(x+y) ≤ 24

(y-x) ≥ 4

b) Max no. of girls = 16

Min no. of girls = 12

Hope it helps...

5 0
3 years ago
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