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3241004551 [841]
3 years ago
11

Its in the photo, please get done fast

Mathematics
2 answers:
SpyIntel [72]3 years ago
6 0

Answer: about 10, 15

Step-by-step explanation:

Lynna [10]3 years ago
5 0

Answer:

x = 183°

Step-by-step explanation:

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Mark is 7 years older than his brother, who is y years old. Which expression correctly represents Mark's age?
Alex787 [66]

7 + Y = X (x= His unknown age)



3 0
3 years ago
G C D of 130 and 150​
wlad13 [49]

Answer:

GCF = 10

Step-by-step explanation:

8 0
2 years ago
Please help me with all of them or at least 2 of them? Thank you so much.
LUCKY_DIMON [66]
First one is 3/8>1/3
Second one is B
Third one is C
Fourth one is B

6 0
2 years ago
A candy box is made from a piece of cardboard that measures 23 by 13 inches. Squares of equal size will be cut out of each corne
wolverine [178]

Answer:

2.67 inches.

Step-by-step explanation:

Assuming that we represent the size of the squares with the letter y, such that after the squares are being cut from each corner, the rectangular length of the box that is formed can now be ( 23 - 2y), the width to be (13 - 2y) and the height be (x).

The formula for a rectangular box = L × B × W

= (23 -2y)(13-2y) (y)

= (299 - 46y - 26y + 4y²)y

= 299y - 72y² + 4y³

Now for the maximum volume:

dV/dy = 0

This implies that:

299y - 72y² + 4y³ = 299 - 144y + 12y² = 0

By using the quadratic formula; we have :

= \dfrac{-b \pm \sqrt{b^2 -4ac}}{2a}

where;

a = 12; b = -144 and c = 299

= \dfrac{-(-144) \pm \sqrt{(-144)^2 -4(12)(299)}}{2(12)}

= \dfrac{144 \pm \sqrt{20736 -14352}}{24}

= \dfrac{144 \pm \sqrt{6384}}{24}

= \dfrac{144 \pm79.90}{24}

= \dfrac{144 + 79.90}{24} \ \  OR  \ \   \dfrac{144 - 79.90}{24}

= 9.33 \ \  OR  \ \ 2.67

Since the width is 13 inches., it can't be possible for the size of the square to be cut to be 9.33

Thus, the size of the square to be cut out from each corner to obtain the maximum volume is 2.67 inches.

3 0
2 years ago
What is the height of a parallelogram with a base of 5cm and an area of 45cm2?
Gwar [14]
Height = area / base = 45 / 5  = 9 cm Answer
5 0
2 years ago
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