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3 years ago

I NEED HELP ON THIS ALSO!! Please help ASAP

Mathematics

1 answer:

Aleksandr [31]3 years ago

7 0

100ml

Step-by-step explanation:

l think so

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If A = {1, 2, 3, 4}, what is n(A)?

Elis [28]

Answer:

Step-by-step explanation:

Count the number of elements in A

n(A) = 4

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3 years ago

9x^2-25 Yea, it confused me too I need this explained to me pls and thank you.

Veseljchak [2.6K]

Answer:

What this is is factoring and these are both perfect squares.

(3x-5)(3x+5) is the answer.

Step-by-step explanation:

First we take the 9x^2-25 and split in in two statements

(3x-5) (3x+5)

then foil to check it

first side: 3x*3x=9x^2

outside: 3x*5=15x

inside: -5*3x=-15x

last: -5*5=-25

then put it together

9x^2+15x-15x-25

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3 years ago

Poss 6. write four negative integre negative integre less than -20.

Nesterboy [21]

-19
-18
-2
-6
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5 0

2 years ago

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the Kimball family. is going on a biking trip next they went to bike to Baltimore 27 1/2 mile away from their home they only wan

Juli2301 [7.4K]

Answer:

It takes 1.5 days for the Kimball family to get to Baltimore

Step-by-step explanation:

Given:

Total distance from the home to Baltimore = $27 \frac{1}{2}$

Distance they would travel on each day = $18 \frac{1}{8}$

To Find:

How many days it will take the Kimball family to reach Baltimore = ?

Solution:

Lets first convert mixed fraction into fraction

$27 \frac{1}{2}$ = $\frac{2 \times 27 + 1}{ 2}$ = $\frac{54+1}{2}$ = $\frac{55}{2}$

$18\frac{1}{8}$ = $\frac{18 \times 8 +1 }{8}$ = $\frac{144+1}{8}$ = $\frac{145}{8}$

Now,

In one day = $\frac{145}{8}$

In x day = $\frac{55}{2}$

By Cross multiplication

$\frac{55}{2} = x \times \frac{145}{8}$

$x = \frac{55}{2} \times \frac{8}{145}$

$x = \frac{220}{145}$

$x = \frac{44}{29}$

x = 1.517

x = 1. 5 days

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3 years ago

Which of the following is equivalent to 4^8

rosijanka [135]

Answer:

4096 and 4^6

Step-by-step explanation:

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3 years ago

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