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4 years ago

PLEASE HELP QUICK I CANT FAIL THIS TEST

Mathematics

2 answers:

Hitman42 [59]4 years ago

6 0

Answer:

Step-by-step explanation:

2x2(4x3 - 3x2 + 6x)

= 2x²(4x³ - 3x² + 6x)

= 8x^5 - 6x⁴+ 12x³

Finger [1]4 years ago

5 0

Answer:

24+24x I believe is the answer. Good luck on your test :)

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A worker can complete the assembly of 15 cell phones in 6hrs. At this rate, how many can the worker complete in a 40hrs work wee

vitfil [10]

Answer: 100 cell phones.

Step-by-step explanation:

The worker makes 2.5 phones an hour. 2.5 x 40 = 100.

4 0

3 years ago

What would a solution to the equation 100=(8+2x)(10+2x) mean in this situation

alexandr402 [8]

Step-by-step explanation:

100 = ( 8 + 2x) ( 10 + 2x )

100 = 80 + 36x + 4x ^2 ( binomial product )

80 + 36x + 4x^2 = 100

80 + 36x + 4×^2 - 100 = 100 - 100

4x^2 + 36x - 20 = 0

I am not able to write the next steps but you can use symbolab to find out the answer and for the clear understanding

I am reay sorry

use symbolab app

7 0

3 years ago

Plsss help :) will give brainly

AysviL [449]

Answer:

y = ( x - 4 )²- 4

7 0

3 years ago

More hypotheses Write the null and alternative hypotheses you would use to test each situation.

Annette [7]

Answer:

The null and alternative hypotheses are shown below:

Part (a) $H_0: p=0.40\\H_a: p\neq 0.40$

Part (b) $H_0: p=0.20\\H_a: p< 0.20$

Part (c) $H_0: p=0.60\\H_a: p> 0.60$

Step-by-step explanation:

Consider the provided information.

We need to write the null and alternative hypotheses.

Part (a) In the 1950s, only about 40% of high school graduates went on to college.

The null hypotheses is 0.40 and alternative hypotheses is about 0.40 but not equal to 0.40.

$H_0: p=0.40\\H_a: p\neq 0.40$

Part (b) Twenty percent of cars of a certain model have needed costly transmission work after being driven between 50,000 and 100,000 miles. The manufacturer hopes that a redesign of a transmission component has solved this problem.

20% Cars need costly transmission and manufacture hopes that redesign of a transmission component solved this problem.

Thus, the null hypotheses is 0.20 and alternative hypotheses less than 0.20 because after redesign less than 0.20 cars needs transmission.

$H_0: p=0.20\\H_a: p< 0.20$

Part (c): We field-test a new-flavor soft drink, planning to market it only if we are sure that over 60% of the people like the flavor.

We planning to market it only if 0.60 of the people like the flavor.

Thus, the null hypotheses is 0.60 and alternative hypotheses greater than 0.60.

$H_0: p=0.60\\H_a: p> 0.60$

3 0

3 years ago

Help me plz ok thank you

Gwar [14]

Answer:

If there is no 48 divided by 8 then it is 8 x _ = 48.

Step-by-step explanation:

Think about it. There are 6 times more children than adults *6 x 8 = 48.

3 0

3 years ago

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