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3 years ago

Identify the zeros of the quadratic function.

Mathematics

1 answer:

Vilka [71]3 years ago

7 0

The zeros of the quadratic function when y = 0

so (-5 , 0) and (-2 , 0)

Answer

C) x = -2 and x = -5

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The sale price of an item is 0.75 the original price of the item, x. Which statement explains why both 34x and 0.75x can find th

defon

Answer:

Step-by-step explanation:

34x and 0.75x are not the same expression.

8 0

4 years ago

Read 2 more answers

Anyone know the area??

Diano4ka-milaya [45]

Area= 1/2(base)(height)
A= 1/2(7)(2)
A= (1*2*7)/2
A= 14/2
A= 7 units squared

Hope this helps! :)

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3 years ago

Can someone help me with #8

snow_tiger [21]

Answer:

Step-by-step explanation:

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3 years ago

Find the measure of x and y

zysi [14]

Answer:

y - 41°

x - ?

Step-by-step explanation:

use method of Z equation

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make sense

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3 years ago

The bed of a truck is stacked with with boxes of paper. The boxes are stacked 5 boxes deep by 4 boxes high by 4 boxes across

marysya [2.9K]

Answer:

Step-by-step explanation:

The boxes are stacked 5 boxes deep by 4 boxes high by 4 boxes across, then there are $5\cdot 4\cdot 4=80$ boxes in total.

The mass of 1 box of paper is 22.5 kilograms, so 80 boxes weigh $22.5\cdot 80=1800$ kilograms.

When the driver is in the truck, the mass is 2948.35 kilograms, then the total mass is

$2948.35+1800=4748.35\ kg.$

Let n be the number of boxes of paper the driver must deliver at the first stop. Their weigth is 22.5n kg and the weight of the truck without n boxes is

$4748.35-22.5n\ kg.$

Trucks with a mass greater than 4700 kilograms are not allowed over the bridge, thus

$4748.35-22.5n48.35,\\ \\n>\dfrac{967}{450}=2\dfrac{67}{450}.$

Hence, the driver must deliver at least 3 boxes at the first shop.

8 0

3 years ago