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Nataliya [291]
3 years ago
15

Please help! asap! will give brainist to the first correct answer!

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer:

224 cubes

Step-by-step explanation:

1. Find the area: 2 * 1 *7/4 = <em>7/2 cm³</em>

2. Find how many cubes fit into 1 cm³: 4 * 4 * 4 = <em>64 cubes</em>.

3. Multiply the two numbers: 7/2 * 64 = 224 cubes.

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Look I have like barely any points can someone help answer this tho
MariettaO [177]

Answer:

3.5

Step-by-step explanation:

These are similar triangles.

BC:AC = BD:AD

6:5  is the ratio.

Then, simply multiply:

4.2 x 5/6 = 3.5

So, x = 3.5!

5 0
3 years ago
A welder produces 7 welded assemblies during the first day on a new job, and the seventh assembly takes 45 minutes (unit time).
likoan [24]

Answer:

(a). 72.9%.

(b). 13.6 hr.

Step-by-step explanation:

So, we are given the following data or parameters or information which is going to assist us in solving this question/problem;

=> "A welder produces 7 welded assemblies during the first day on a new job, and the seventh assembly takes 45 minutes (unit time). "

=> The worker produces 10 welded assemblies on the second day, and the 10th assembly on the second day takes 30 minutes"

So, we will be making use of the Crawford learning curve model.

T(7) + 10 = T (17) = 30 min.

T(7) = T1(7)^b = 45.

T(17 ) = T1(17)^b = 30.

(T1) = 45/7^b = 30/17^b.

45/30 = 7^b/17^b = (7/17)^b.

1.5 = (0.41177)^b.

ln 1.5 = b ln 0.41177.

0.40547 = -0.8873 b.

b = - 0.45696.

=> 2^ -0.45696 = 0.7285.

= 72.9%.

(b). T1= 45/7^ - 045696 = 109.5 hr.

V(TT)(17) = 109.5 {(17.51^ - 0.45696 – 0.51^ - 0.45696) / (1 - 0.45696)} .

V(TT) (17) = 109.5 {(4.7317 - 0.6863) / 0.54304} .

= 815.7 min .

= 13.595 hr.

8 0
3 years ago
PLEASE HELP ILL GIVE BRAINLYIST
Vera_Pavlovna [14]

Answer:

Alright this is complecated but I think you can go on this other math website symbolab there will be a tutor and answer it in 15-30 minuted it helps!

Step-by-step explanation:

5 0
3 years ago
Need help checking my answers
kifflom [539]

Answer:

Step-by-step explanation:

_______

Good evening ,

______________

Look at the photo below for the answer,

:)

6 0
3 years ago
1 question, 10 POINTS ( no rude answers please )
klemol [59]
I believe the answer is 54%.

Hope this helps!
8 0
3 years ago
Read 2 more answers
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