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3 years ago

PLEASE ANSWER‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

Mathematics

1 answer:

11111nata11111 [884]3 years ago

4 0

Answer:

x-intercept = 9 y-intercept = 5

Step-by-step explanation:

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David pays a 20% income tax on his $2,100 salary. How many dollars is the tax?

Ganezh [65]

20% of 2100 is 420
So the tax is $420
Then 2100-420= 1680
So he has $1680 left after paying the tax.

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2 years ago

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The following are daily outputs from shift A and shift B at a factory.

Airida [17]

Answer:

shift B

Step-by-step explanation:

shift a is 78.6 repeating

shift b is 79.3 repeating

mean is when you add them all then divide it by the numbers it has

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3 years ago

Write the equation of the following graph in vertex form.

Marat540 [252]

Answer:

Correct choice is 2. $f(x)=0.4(x+2)(x-5)$

Step-by-step explanation:

We have been given a graph of the quadratic function. Now we need to use that graph to find the equation of the graph in vertex form. By the way given choices written in intercept form so to be accurate we are going to find the equation in intercept form.

from graph we see that x-intercepts are at 5 and -2.

we know that if x=a is x-intercept then (x-a) must be factor.

So (x+2)(x-5) is the factor.

when leading coefficient is positive then graph opens upward.

so that means leading coefficient is 0.4

Hence correct choice is 2. $f(x)=0.4(x+2)(x-5)$

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3 years ago

The human lung has about 80 million alveoli. Give two features of the alveoli that allow large amounts of oxygen to enter the bl

I am Lyosha [343]

Answer:

Alveoli forms the respiratory surface in human body.Each alveolus is sac like structure bounded by a single layer of epithelial cells.It is bound on the outside by a network of capillaries. The pulmonary artery from the heart containing deoxygenated blood enters the lungs and then becomes oxygenated after passing in the capillaries through the lungs.

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2 years ago

Please guys solve this fastfactorise 3xy + 6yz

victus00 [196]

Answer:

3y(x+2z)

Step-by-step explanation:

hope this helps

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3 years ago