3 years ago

We are given with width 20 cm length = 28 cm volume = 1848 cm3 We are asked how deep is the cake batter.

Mathematics

1 answer:

AfilCa [17]3 years ago

3 0

depth = 3.3 cm

the volume (V ) of a cuboid is

V = Ah ( A is the area and h the depth )

A = 20 × 28 = 560 cm², thus

h = $\frac{V}{A}$ = $\frac{1843}{560}$ ≈ 3.3 cm

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MrMuchimi

Answer:

The length of the altitude is 16 centimeters and the base is 7 centimeters

Step-by-step explanation:

we know that

The area of triangle is equal to

$A=\frac{1}{2}bh$ ----> equation A

where

b is the base and h is the height

$h=2b+2$ ----> equation B

substitute equation B in equation a

$A=\frac{1}{2}b(2b+2)$

we have that

$A=56\ cm^2$

$56=\frac{1}{2}b(2b+2)$

$112=2b^2+2b$

$2b^2+2b-112=0$

solve the quadratic equation by graphing

the solution is b=7 cm

see the attached figure

Find the value of h

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therefore

The length of the altitude is 16 centimeters and the base is 7 centimeters

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2 years ago

Help me out here please

Maslowich

4 5 8 11

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7 0

3 years ago

Six more than the product of seven and a number is 55.

mariarad [96]

Answer:

7x + 6 = 55; x=7

Step-by-step explanation:

"six more than" -> +6

"product of seven and a number" -> 7x

7x + 6 = 55

7x = 55 - 6

7x = 49

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3 years ago

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aalyn [17]

H(1)= (1)^3= 1
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3 years ago

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Find the length and width of a similar rectangular screen if the length is 5 meters more than 6 times its width, and the viewabl

Sliva [168]

Answer:185 m , 60 m

Step-by-step explanation:

Given

Length is 5 m more than 6 times its width

Suppose width is $x$

So, length is given by $6x+5$

The area is given by $l\times b$

Put values of length and width

$\Rightarrow (6x+5)x=5550\\\Rightarrow 6x^2+5x-5550=0\\$

On solving the quadratic equation, we get $x=30$

Length is $6\times 30+5=185\ m$

Width is $x=30\ m$

7 0

3 years ago