2 years ago

What is 2/5 x 4 help me please

Mathematics

2 answers:

SashulF [63]2 years ago

7 0

Answer: 1.6

Step-by-step explanation:

Kazeer [188]2 years ago

3 0

Answer:

1.6

Step-by-step explanation:

2/5×4

=8/5

=1.6

So the answer is 1.6

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What is the area of a rectangle with side lenghts 3x+2 and x-4

melamori03 [73]

For a rectangle, A = LW.

A = (3x + 2)(x - 4)

A = 3x^2 - 12x + 2x - 8

A = 3x^2 -10x - 8

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3 years ago

9. An express delivery service advertises next-day delivery of any parcel it receives before 3PM. The actual success rate is 90%

Juli2301 [7.4K]

Answer:

a) P(X =16 ) = 0.1853

b) $P(X \leq 12)$ = 0.0684

Step-by-step explanation:

GIVEN DATA:

n = 16

p = 0.90

from relation given probabllity can be solve

$P(X) = ^nC_x * p^x * ( 1 - p)^{n-x}$

$P(X =16 ) = ^{16}C_{16} * 0.90^x * ( 1 - 0.90)^{16-16}$

P(X =16 ) = 0.1853

b) $P(X \leq 12) = 1 - P(X \geq 13)$

= 1 - [ P(X = 13) +P(X = 14) +P(X = 15) +P(X = 16) ]

$= 1 - [ ^{16}C_{13} * 0.90^{13} * (1 - 0.90)^3 +^{16}C_{14} * 0.90^{14} * (1 - 0.90)^2 +^{16}C_{15} * 0.90^{15} * (1 - 0.90)^1 +^{16}C_{16} * 0.90^{16} * (1 - 0.90)^0 ]$

= 0.0684

4 0

2 years ago

Work out the size of angle x.<br>x<br>35

Naddik [55]

Answer:

145.

Step-by-step explanation:

x+35=180

x=180-35

x=145

please mark as brainliest.

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2 years ago

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About 102.5625... I think

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Gina was baking cookies.A dozen cookies requires 1/6 of a cup of chocolate chips.She wants to use 1/2 of a cup.How many dozen co

fenix001 [56]

3 dozen.

$\frac{3}{6}$ = $\frac{1}{2}$

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2 years ago